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IBM System Storage SAN24B-4 Express
Installation, Service, and User GuideService information: 2498 - B24, 24E
GA32-0580-02
Read Before UsingThis product contains software that is licensed under written license agreements. Your use of such software is subject tothe license agreements under which they are provided.
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IBM System Storage SAN24B-4 Express
Installation, Service, and User GuideService information: 2498 - B24, 24E
GA32-0580-02
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Note:Before using this information and the product it supports, read the information in “Notices” on page 39.
Copyright © 2008-2010 Brocade Communications Systems, Inc. All Rights Reserved.
The following paragraph does not apply to any country (or region) where such provisions are inconsistent withlocal law.
INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION “AS IS” WITHOUTWARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THEIMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states (orregions) do not allow disclaimer of express or implied warranties in certain transactions; therefore, this statementmay not apply to you.
© Copyright IBM Corporation 2008, 2010.US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contractwith IBM Corp.
Read this first
Summary of changesThis is the third edition of the IBM System Storage SAN24B-4 Express Installation,Service, and User Guide. The content changes since the last edition of thispublication are noted by a vertical line placed in the left margin beside eachchange. Minor edits are not identified by this mark. A summary of the changes foreach edition are listed below.
Third editionThe following changes were made in the third edition:v Addition of information about the Server Application Optimization (SAO)
optional featurev A change to the Fabric Operating System (FOS) required versionv Update of environmental noticesv Reorganization of general information, including the addition of the Read This
First sectionv Update of the Notices sectionv Update of how to submit reader comments
Second editionThe following changes were made in the second edition:v Corrections to LED status tables
Getting helpFor the latest version of your product documentation, visit the web atwww.ibm.com/e-business/linkweb/publications/servlet/pbi.wss?. Search by formnumber or title.
For more information about IBM® SAN products, see the following Web site:www.ibm.com/servers/storage/san/
For support information for this product and other IBM products, see the followingWeb site: www.ibm.com/systems/support/supportsite.wss/. Select SystemStorage. On the next page, select your product family, and then select the specificproduct.
You can also contact IBM within the United States at 1-800-IBMSERV(1-800-426-7378). For support outside the United States, you can find the servicenumber at: www.ibm.com/planetwide/.
Visit www.ibm.com/contact for the contact information for your country or region.
For detailed information about the Fibre Channel standards, see the Fibre ChannelIndustry Association (FCIA) Web site at: www.fibrechannel.org/
For information about storage industry standards, see the Storage NetworkingIndustry Association (SNIA) Web site at: www.snia.org/
© Copyright IBM Corp. 2008, 2010 iii
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Taiwan Contact InformationIBM Taiwan Product Service Contact Info:IBM Taiwan Corporation3F, No 7, Song Ren Rd., Taipei TaiwanTel: 0800-016-888
Accessibility features for the SAN26B-4 ExpressAccessibility features help users who have a disability, such as restricted mobilityor limited vision, to use information technology products successfully.
Accessibility featuresThe following list includes the major accessibility features in this product:v Light emitting diodes (LEDs) that flash at different rates, to represent the same
information as the colors of the LEDsv Industry-standard devices for ports and connectorsv Management of the product through management applications is available
through Web and Graphical User Interface (GUI) options
Keyboard navigationThis product does not have an attached or integrated keyboard. Any keyboardnavigation is provided through the management software and GUI.
Vendor softwareThis product includes certain vendor software that is not covered under the IBMlicense agreement. IBM makes no representation about the accessibility features ofthese products. Contact the vendor for the accessibility information about itsproducts.
Related accessibility informationYou can view the publications for this product in Adobe® Portable DocumentFormat (PDF) using the Adobe Acrobat Reader. The PDFs are provided on aproduct documentation CD-ROM that is packaged with the product. The CD-ROMalso includes an accessible HTML version of this document.
IBM and accessibilitySee the IBM Human Ability and Accessibility Center web site athttp://www.ibm.com/able/ for more information about the commitment that IBMhas to accessibility.
How to send your commentsYour feedback is important in helping us provide the most accurate andhigh-quality information. If you have comments or suggestions for improving thisdocument, send us your comments by e-mail to [email protected]. Be sure toinclude the following:
iv SAN24B-4 Express Installation, Service, and User Guide
v Exact publication titlev Form number (for example, GC27-2270-00)v Page numbers to which you are referring
You can also mail your comments to:
International Business Machines CorporationInformation DevelopmentDepartment GZW9000 South Rita RoadTucson, Arizona 85744-0001 U.S.A.
When you send information to IBM, you grant IBM a nonexclusive right to use ordistribute the information in any way it believes appropriate without incurring anyobligation to you.
Read this first v
vi SAN24B-4 Express Installation, Service, and User Guide
Contents
Read this first . . . . . . . . . . . . iiiSummary of changes . . . . . . . . . . . iii
Third edition . . . . . . . . . . . . . iiiSecond edition . . . . . . . . . . . . iii
Getting help . . . . . . . . . . . . . . iiiTaiwan Contact Information . . . . . . . . iv
Accessibility features for the SAN26B-4 Express . . ivAccessibility features . . . . . . . . . . ivKeyboard navigation . . . . . . . . . . ivVendor software . . . . . . . . . . . . ivRelated accessibility information . . . . . . ivIBM and accessibility . . . . . . . . . . iv
How to send your comments . . . . . . . . iv
Figures . . . . . . . . . . . . . . . ix
Tables . . . . . . . . . . . . . . . xi
About this document . . . . . . . . xiiiProduct documents . . . . . . . . . . . xiiiBrocade documents . . . . . . . . . . . xiii
IBM and Brocade product matrix . . . . . . xivSafety and environmental notices . . . . . . . xiv
Safety notices and labels . . . . . . . . . xivRack safety . . . . . . . . . . . . . xxProduct recycling and disposal . . . . . . xxii
Chapter 1. Introducing the SAN24B-4Express switch. . . . . . . . . . . . 1Features and functions of the switch . . . . . . 1Supported connectivity . . . . . . . . . . . 2Port side of the switch . . . . . . . . . . . 2Nonport side of the switch . . . . . . . . . 3Supported fabric configurations . . . . . . . . 3Additional port activation . . . . . . . . . . 3ISL Trunking groups . . . . . . . . . . . . 3Supported optional features . . . . . . . . . 4
Chapter 2. Installing and configuring theswitch . . . . . . . . . . . . . . . 7Items included with the switch . . . . . . . . 7Installation and safety considerations . . . . . . 8
Electrical considerations . . . . . . . . . 8Environment considerations . . . . . . . . 8Cabinet considerations . . . . . . . . . . 8
Installing a stand-alone switch . . . . . . . . 9Installing the switch into an EIA cabinet . . . . . 9
Time required . . . . . . . . . . . . 10Items required . . . . . . . . . . . . 10Installation instructions . . . . . . . . . 10
Recommendations for cable management . . . . 15Configuring the switch . . . . . . . . . . 16
Using the EZSwitch setup (optional) . . . . . 16Providing power to the switch . . . . . . . 16
Creating a serial connection . . . . . . . . 17Setting the switch IP address . . . . . . . 17Setting the date and time . . . . . . . . . 18
Chapter 3. Operating the switch . . . . 21Powering the switch on and off. . . . . . . . 21Interpreting LED activity . . . . . . . . . . 21
LED locations . . . . . . . . . . . . 22LED patterns . . . . . . . . . . . . . 23
POST and boot specifications . . . . . . . . 25POST . . . . . . . . . . . . . . . 25Boot . . . . . . . . . . . . . . . . 25
Interpreting POST results . . . . . . . . . . 26Switch FRU units . . . . . . . . . . . . 26Maintaining the switch . . . . . . . . . . 26
Installing SFPs . . . . . . . . . . . . 26Diagnostic tests . . . . . . . . . . . . 30
Managing the switch . . . . . . . . . . . 30
Appendix. Product specifications . . . 33Weight and physical dimensions . . . . . . . 33Environmental requirements . . . . . . . . . 33Facility requirements . . . . . . . . . . . 34System specifications . . . . . . . . . . . 35Memory specifications . . . . . . . . . . . 35Data transmission ranges . . . . . . . . . . 36Fibre Channel port specifications . . . . . . . 36Serial port specifications . . . . . . . . . . 36Power supply specifications . . . . . . . . . 36Supported SFPs and HBAs . . . . . . . . . 37
Notices . . . . . . . . . . . . . . 39Trademarks . . . . . . . . . . . . . . 41Electronic emission notices . . . . . . . . . 42
Federal Communications Commission (FCC)Class A Statement . . . . . . . . . . . 42Industry Canada Class A Emission ComplianceStatement . . . . . . . . . . . . . . 42Avis de conformité à la réglementationd'Industrie Canada . . . . . . . . . . . 42European Union EMC Directive ConformanceStatement . . . . . . . . . . . . . . 42Germany Electromagnetic Compatibility Directive 43People's Republic of China Class A ElectronicEmission Statement . . . . . . . . . . . 44Japan VCCI Council Class A Statement . . . . 44Japan Electronics and Information TechnologyIndustries Association (JEITA) Statement . . . 45Korea Communications Commission (KCC)Statement . . . . . . . . . . . . . . 45Russia Electromagnetic Interference (EMI) ClassA Statement . . . . . . . . . . . . . 45Australia and New Zealand Class A Statement 45
Index . . . . . . . . . . . . . . . 47
© Copyright IBM Corp. 2008, 2010 vii
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viii SAN24B-4 Express Installation, Service, and User Guide
Figures
1. Port side of the switch . . . . . . . . . 22. Trunking groups . . . . . . . . . . . 43. Rack assembly . . . . . . . . . . . 114. Separating the inner and outer rails . . . . 125. Mounting the moving portion of the slide and
mounting brackets to the switch . . . . . 13
6. Mounting the fixed portion of the rail and thelocking brackets to the rack . . . . . . . 14
7. Inserting slides into the rack rails . . . . . 158. Detailed view, location of LEDs on the switch 229. SFP installation and bail closing. . . . . . 27
10. Removing an SFP . . . . . . . . . . 28
© Copyright IBM Corp. 2008, 2010 ix
x SAN24B-4 Express Installation, Service, and User Guide
Tables
1. Brocade and IBM product and model numbermatrix . . . . . . . . . . . . . . xiv
2. Sample caution notices . . . . . . . . xviii3. Parts supplied with the rack-mount kit 114. Power status LED patterns, status, and
recommended actions . . . . . . . . . 235. System status LED patterns, status, and
recommended actions . . . . . . . . . 236. Port LED patterns during normal operation 24
7. Ethernet LED patterns . . . . . . . . . 258. Management options for the switch . . . . 309. Physical dimensions and weight of the switch 33
10. Environmental requirements . . . . . . . 3311. Facility requirements . . . . . . . . . 3412. General specifications . . . . . . . . . 3513. Memory specifications . . . . . . . . . 3514. Data transmission ranges . . . . . . . . 3615. Switch power supply specifications . . . . 36
© Copyright IBM Corp. 2008, 2010 xi
xii SAN24B-4 Express Installation, Service, and User Guide
About this document
This document is intended for use by systems administrators and techniciansexperienced with networking, Fibre Channel, and storage area network (SAN)technologies. It describes how to install, service, and use the IBM System Storage™
SAN24B-4 Express (machine type 2498, models 24B and E24). Throughout thisdocument, the product is referred to as the SAN24B-4, or simply the switch toapply to both models.
This document has been created to include information specific to SAN24B-4switches running on Fabric OS version v6.1.1. This document does not support allFabric OS versions. It is specific to Fabric OS v6.1.1 or later. To obtain informationabout a Fabric OS version other than v6.1.1, refer to the documentation specific toyour Fabric OS version.
The sections that follow provide information about:v “Product documents”v “Brocade documents”v “Safety and environmental notices” on page xiv
Product documentsThe following documents contain information related to this product. Thedocumentation may be printed material or may be on the documentation CD thatis shipped with the product. Newer versions of product documentation may beavailable through the IBM Publications Center Web site http://www.ibm.com/e-business/linkweb/publications/servlet/pbi.wss. Newer versions may also beavailable through the IBM Systems Support Web site www.ibm.com/systems/support/supportsite.wss/. Select your product family, then the specific product,and then select Documentation.v IBM System Storage SAN24B-4 Express Installation, Service, and User's Guide,
GA32-0580 (this document)v IBM System Storage SAN24B-4 Express Quick Start Guide GA32-0585v IBM System Storage SAN24B-4 Express Access Gateway Quick Start Guide
GA32-0588v IBM Systems Safety Notices, G229–9054v IBM Warranty
Brocade documentsIBM b-type switches use software licensed from Brocade Communications Systems,Inc. You can find information related to the software that supports the director inthe following documents on the CD-ROM supplied with this product:
Brocade Fabric OS
v Fabric OS Administrator's Guide
v Fabric OS Command Reference Manual
v Fabric OS MIB Reference Manual
v Fabric OS Message Reference Manual
© Copyright IBM Corp. 2008, 2010 xiii
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v Fabric OS Troubleshooting and Diagnostics Guide
v Access Gateway Administrator's Guide
v EZSwitchSetup Administrator's Guide
v SAN Glossary
Brocade Fabric OS optional features
v Fabric Watch Administrator's Guide
v Web Tools Administrator's Guide
Brocade HBA publication
v Brocade Adapters Administrator’s Guide
IBM and Brocade product matrixWhen you use any of the Brocade documents, you will notice that the modelnumbers reflect the original Brocade products. Table 1 provides a product matrixfor you to use to correlate the Brocade products and models to the IBM productnames and machine types and model numbers. Products withdrawn frommarketing are not listed.
Table 1. Brocade and IBM product and model number matrix
Brocade product name IBM product nameIBM machine type andmodel number
Brocade DCX-4S SAN384B 2499 Model 192
Brocade DCX SAN768B 2499 Model 384
Brocade 48000 SAN256B Director 2109 Model M48
Brocade 8000 IBM Converged Switch B32 3758 Models B32 and L32
Brocade 7800 SAN06B-R 2498 Model R06
Brocade 7500E SAN04B–R 2005 Model R04
Brocade 5300 SAN80B-4 2498 Model B80
Brocade 5100 SAN40B-4 2498 Models B40 and 40E
Brocade 300 SAN24B-4 2498 Models B24 and 24E
Safety and environmental noticesThis section contains information about:v “Safety notices and labels”v “Rack safety” on page xxv “Product recycling and disposal” on page xxii
Safety notices and labelsWhen using this product, observe the danger, caution, and attention noticescontained in this guide. The notices are accompanied by symbols that represent theseverity of the safety condition. The danger and caution notices are listed innumerical order based on their IDs, which are displayed in parentheses, forexample (D004), at the end of each notice. Use this ID to locate the translation ofthese danger and caution notices in the IBM Systems Safety Notices (G229–9054)publication, which is on the CD-ROM that accompanies this product.
xiv SAN24B-4 Express Installation, Service, and User Guide
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The following notices and statements are used in IBM documents. They are listedbelow in order of increasing severity of potential hazards. Follow the links formore detailed descriptions and examples of the danger, caution, and attentionnotices in the sections that follow.v Note: These notices provide important tips, guidance, or advice.v “Attention notices” on page xix: These notices indicate potential damage to
programs, devices, or data.v “Caution notices” on page xvii: These statements indicate situations that can be
potentially hazardous to you.v “Danger notices”: These statements indicate situations that can be potentially
lethal or extremely hazardous to you. Safety labels are also attached directly toproducts to warn of these situations.
v In addition to these notices, “Safety labels” on page xix may be attached to theproduct to warn of potential hazards.
Danger noticesA danger notice calls attention to a situation that is potentially lethal or extremelyhazardous to people. A lightning bolt symbol accompanies a danger notice torepresent a dangerous electrical condition. Read and comply with the followingdanger notices before installing or servicing this device.
DANGER
To prevent a possible shock from touching two surfaces withdifferent protective ground (earth), use one hand, when possible, toconnect or disconnect signal cables. (D001)
DANGER
Overloading a branch circuit is potentially a fire hazard and ashock hazard under certain conditions. To avoid these hazards,ensure that your system electrical requirements do not exceedbranch circuit protection requirements. Refer to the informationthat is provided with your device or the power rating label forelectrical specifications. (D002)
DANGER
If the receptacle has a metal shell, do not touch the shell until youhave completed the voltage and grounding checks. Improper wiringor grounding could place dangerous voltage on the metal shell. Ifany of the conditions are not as described, STOP. Ensure theimproper voltage or impedance conditions are corrected beforeproceeding. (D003)
About this document xv
DANGER
An electrical outlet that is not correctly wired could placehazardous voltage on metal parts of the system or the devices thatattach to the system. It is the responsibility of the customer toensure that the outlet is correctly wired and grounded to preventan electrical shock. (D004)
The following general electrical danger notice provides instructions on how toavoid shock hazards when servicing equipment. Unless instructed otherwise,follow the procedures in the following danger notice.
xvi SAN24B-4 Express Installation, Service, and User Guide
DANGER
When working on or around the system, observe the followingprecautions:
Electrical voltage and current from power, telephone, andcommunication cables are hazardous. To avoid a shock hazard:
v Connect power to this unit only with the IBM provided powercord. Do not use the IBM provided power cord for any otherproduct.
v Do not open or service any power supply assembly.
v Do not connect or disconnect any cables or perform installation,maintenance, or reconfiguration of this product during anelectrical storm.
v The product might be equipped with multiple power cords. Toremove all hazardous voltages, disconnect all power cords.
v Connect all power cords to a properly wired and groundedelectrical outlet. Ensure that the outlet supplies proper voltageand phase rotation according to the system rating plate.
v Connect any equipment that will be attached to this product toproperly wired outlets.
v When possible, use one hand only to connect or disconnectsignal cables.
v Never turn on any equipment when there is evidence of fire,water, or structural damage.
v Disconnect the attached power cords, telecommunicationssystems, networks, and modems before you open the devicecovers, unless instructed otherwise in the installation andconfiguration procedures.
v Connect and disconnect cables as described below wheninstalling, moving, or opening covers on this product or attacheddevices.
To disconnect:
1. Turn off everything (unless instructed otherwise).
2. Remove the power cords from the outlets.
3. Remove the signal cables from the connectors.
4. Remove all cables from the devices.
To connect:
1. Turn off everything (unless instructed otherwise).
2. Attach all cables to the devices.
3. Attach the signal cables to the connectors.
4. Attach the power cords to the outlets.
5. Turn on the devices.
(D005)
Caution noticesA caution notice calls attention to a situation that is potentially hazardous topeople because of some existing condition. A caution notice can be accompaniedby different symbols, as in the examples below:
About this document xvii
Table 2. Sample caution notices
If the symbol is... It means....
A hazardous electrical condition with lessseverity than electrical danger.
A generally hazardous condition notrepresented by other safety symbols.
18-32 kg (39.7-70.5 lbs)
svc00167
18-32 kg (39.7-70.5 lbs)
A specification of product weight thatrequires safe lifting practices. The weightrange of the product is listed below thegraphic, and the graphic and the wording ofthe caution varies, depending on the weightof the device.
P/N 18P5850-B
SJ000752
A potential hazard of pinching the hand orother body parts between parts.
A hazardous condition due to moving partsnearby.
A hazardous condition due to the use of alaser in the product. Laser symbols arealways accompanied by the classification ofthe laser as defined by the U. S. Departmentof Health and Human Services (for example,Class I, Class II, and so forth).
Read and comply with the following caution notices before installing or servicingthis device.
CAUTION:Energy hazard present. Shorting may result in system outage andpossible physical injury. Remove all metallic jewelry before servicing.(C001)
CAUTION:This part or unit is heavy but has a weight smaller than 18 kg (39.7lb). Use care when lifting, removing, or installing this part or unit.(C008)
CAUTION:This product is equipped with a 3-wire (two conductors and ground)power cable and plug. Use this power cable with a properly groundedelectrical outlet to avoid electrical shock. (C018)
CAUTION:Servicing of this product or unit is to be performed by trained servicepersonnel only. (C032)
xviii SAN24B-4 Express Installation, Service, and User Guide
Safety labelsAs an added precaution, safety labels are often installed directly on products orproduct components to warn of potential hazards. These can be either danger orcaution notices, depending upon the level of the hazard.
The actual product safety labels may differ from these sample safety labels:
DANGER
Hazardous voltage, current, or energy levels are present insideany component that has this label attached. Do not open anycover or barrier that contains this label. (L001)
DANGER
Rack-mounted devices are not to be used as a shelf or work space.(L002)
DANGER
Multiple power cords. The product might be equipped withmultiple power cords. To remove all hazardous voltages,disconnect all power cords. (L003)
DANGER
Hazardous voltage present. Voltages present constitute a shockhazard, which can cause severe injury or death. (L004)
Attention noticesAn attention notice indicates the possibility of damage to a program, device, orsystem, or to data. An exclamation point symbol may accompany an attentionnotice, but is not required. A sample attention notice follows:
Attention: Do not bend a fibre cable to a radius less than 5 cm (2 in.); you candamage the cable. Tie wraps are not recommended for optical cables because theycan be easily overtightened, causing damage to the cable.
About this document xix
Rack safety
Rack installation
DANGER
Observe the following precautions when working on or around your IT rack system:
v Heavy equipment—personal injury or equipment damage might result ifmishandled.
v Always lower the leveling pads on the rack cabinet.
v Always install stabilizer brackets on the rack cabinet.
v To avoid hazardous conditions due to uneven mechanical loading, always install theheaviest devices in the bottom of the rack cabinet. Always install servers andoptional devices starting from the bottom of the rack cabinet.
v Rack-mounted devices are not to be used as shelves or work spaces. Do not placeobjects on top of rack-mounted devices.
v Each rack cabinet might have more than one power cord. Be sure to disconnect allpower cords in the rack cabinet when directed to disconnect power during servicing.
v Connect all devices installed in a rack cabinet to power devices installed in thesame rack cabinet. Do not plug a power cord from a device installed in one rackcabinet into a power device installed in a different rack cabinet.
v An electrical outlet that is not correctly wired could place hazardous voltage on themetal parts of the system or the devices that attach to the system. It is theresponsibility of the customer to ensure that the outlet is correctly wired andgrounded to prevent an electrical shock.
(R001 part 1 of 2)CAUTION:
v Do not install a unit in a rack where the internal rack ambient temperatures willexceed the manufacturer’s recommended ambient temperature for all yourrack-mounted devices.
v Do not install a unit in a rack where the air flow is compromised. Ensure that air flowis not blocked or reduced on any side, front, or back of a unit used for air flowthrough the unit.
v Consideration should be given to the connection of the equipment to the supply circuitso that overloading of the circuits does not compromise the supply wiring orovercurrent protection. To provide the correct power connection to a rack, refer to therating labels located on the equipment in the rack to determine the total powerrequirement of the supply circuit.
v (For sliding drawers) Do not pull out or install any drawer or feature if the rack stabilizerbrackets are not attached to the rack. Do not pull out more than one drawer at a time.The rack might become unstable if you pull out more than one drawer at a time.
v (For fixed drawers) This drawer is a fixed drawer and must not be moved for servicingunless specified by the manufacturer. Attempting to move the drawer partially orcompletely out of the rack might cause the rack to become unstable or cause thedrawer to fall out of the rack.
(R001 part 2 of 2)
xx SAN24B-4 Express Installation, Service, and User Guide
Rack relocation (19" rack)
CAUTION:Removing components from the upper positions in the rack cabinet improvesrack stability during relocation. Follow these general guidelines whenever yourelocate a populated rack cabinet within a room or building:
v Reduce the weight of the rack cabinet by removing equipment starting at thetop of the rack cabinet. When possible, restore the rack cabinet to theconfiguration of the rack cabinet as you received it. If this configuration is notknown, you must do the following:
– Remove all devices in the 32U position and above.
– Ensure that the heaviest devices are installed in the bottom of the rackcabinet.
– Ensure that there are no empty U-levels between devices installed in therack cabinet below the 32U level.
– If the rack cabinet you are relocating is part of a suite of rack cabinets,detach the rack cabinet from the suite.
– Inspect the route that you plan to take when moving the rack to eliminatepotential hazards.
– Verify that the route that you choose can support the weight of the loadedrack cabinet. Refer to the documentation that came with your rack cabinetfor the weight of a loaded rack cabinet.
– Verify that all door openings are at least 760 x 2030 mm (30 x 80 in.).
– Ensure that all devices, shelves, drawers, doors, and cables are secure.
– Ensure that the four leveling pads are raised to their highest position.
– Ensure that there is no stabilizer bracket installed on the rack cabinetduring movement.
– Do not use a ramp inclined at more than 10 degrees.
– Once the rack cabinet is in the new location, do the following:
- Lower the four leveling pads.
- Install stabilizer brackets on the rack cabinet.
- If you removed any devices from the rack cabinet, repopulate the rackcabinet from the lowest position to the highest position.
– If a long distance relocation is required, restore the rack cabinet to theconfiguration of the rack cabinet as you received it. Pack the rack cabinet inthe original packaging material, or equivalent. Also, lower the levelingpads to raise the casters off of the pallet and bolt the rack cabinet to thepallet.
(R002)
About this document xxi
Product recycling and disposalRefer to the IBM Systems Environmental Notices and User Guide (Z125-5823) fortranslated environmental statements and information regarding product recyclingand disposal. This document may be provided either in printed version or on theproduct documentation CD.
xxii SAN24B-4 Express Installation, Service, and User Guide
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Chapter 1. Introducing the SAN24B-4 Express switch
The IBM System Storage SAN24B-4 Express is a cost-effective and highly-scalable1, 2, 4, or 8 Gbit/sec switch, designed for small to mid-sized businesses. It runs onthe Fabric Operating System (Fabric OS) and is compatible with other IBMswitches, which enables seamless connectivity into heterogeneous SANenvironments. This switch is a dual purpose device that you can use either as afull-functioned switch or as an N_Port ID Virtualization (NPIV) access gateway.When functioning as an access gateway, the it provides a single platform for allSAN connectivity. Because the switch is scalable, you can use it as a foundationswitch for a small storage area network (SAN) and continue to use it as a buildingblock as the SAN grows.
This chapter provides the following information:v “Features and functions of the switch”v “Supported connectivity” on page 2v “Port side of the switch” on page 2v “Nonport side of the switch” on page 3v “Additional port activation” on page 3v “ISL Trunking groups” on page 3v “Supported optional features” on page 4
Features and functions of the switchThe switch provides the following features and functions:v 1U chassis–The chassis can be installed as a standalone unit or mounted in a
standard Electronic Industries Association (EIA) 48.26 cm (19 in.) cabinet.v One built-in fixed power unit (not field-replaceable)v Three built-in fans (none are field-replaceable). The switch is cooled by a
redundant fan configuration, which allows continued operation with a single fanfailure.
v On-demand scaling of 8 to 24 8 Gbit/sec portsv ASIC technology supporting 1, 2, 4 and 8Gbit/sec auto-sensing Fibre Channel
ports.v Ability to operate as either a full-functioned switch or an NPIV access gateway.v RJ45 Ethernet management port that in conjunction with EZSwitchSetup,
supports switch IP address discovery and configuration.v Uses EZSwitchSetup wizard for setup and basic configuration.v Single motherboard design with a 667 MHz PowerPC® 440EPx Reduced
Instruction Set Computer (RISC) CPU with integrated peripherals.v Offers forward and backward compatibility with IBM System Storage SAN
switch models, 1, 2, 4 and 8 Gbps auto-sensing capability, as well as AdvancedFabric Services and management tools.
v Enables interoperability between IBM System Storage b-type and m-type SANswitches and directors.
v Inter-Switch-Link Trunking (licensable) enables up to eight ports (at 1G, 2G, 4G,or 8G speeds) between a pair of switches to be combined to form a single,
© Copyright IBM Corp. 2008, 2010 1
logical ISL switch with a speed of up to 64 Gbits/sec (128 Gbits/sec full duplex)for optimal bandwidth utilization and load balancing.
v Advanced Zoning.v Intelligent management and monitoring with Web Tools, Fabric Watch, and
Performance Monitor.v Adaptive Networking Services uses network intelligence to anticipate congestion
and to dynamically make adjustments in the fabric so that application trafficcontinues to flow
v Dynamic Path Selection (DPS) optimizes fabric-wide performance and loadbalancing by automatically routing data to the most efficient available path inthe fabric.
v Light emitting diodes (LEDs) to indicate system power, system status, Ethernetspeed and link status, and port status.
Supported connectivitySpecific details on supported operating systems, servers, and devices, storageproducts attachability, SAN connectivity products, and configuration options canbe found in the interoperability matrices at the following web site:www.ibm.com/servers/storage/support/san.
Port side of the switchFigure 1 shows the port side of the switch. All LEDs are on the port side of theswitch: the nonport side is used to allow the free flow of air. The switch enclosurehas forced-air cooling, with the fans pushing the air from the nonport side of thechassis through the enclosure, exhausting to the port side. For a completedescription of the locations and interpretations of these LEDs, see “InterpretingLED activity” on page 21.
Item number Description
1 System status (top) and power (bottom)LEDs
2 System RS232 console port (RJ-45)
3 Ethernet Port with two Ethernet status LEDs
4 USB port
5 Fibre Channel status LEDs
6 Fibre Channel Ports (24)
7 AC power receptacle
71 4 5 62 3
1
B24
_000
1
Figure 1. Port side of the switch
2 SAN24B-4 Express Installation, Service, and User Guide
Nonport side of the switchThe nonport side of the switch is used solely for air flow. There are no features onthis side.
Supported fabric configurationsThe switch is supported as an edge device in fabrics of up to 239 switches.
Additional port activationThe switch can be purchased with 8, 16, or 24 licensed ports. As your needsincrease, you can activate unlicensed ports by purchasing and installing theadditional 8 port activation feature. After it has been installed, the license appearsunder the licenseShow command as Ports on Demand license.
The additional ports are ready to be unlocked in the switch firmware. The licensemight be part of the licensed paper pack supplied with switch software, or you canpurchase the license separately from IBM, who will provide you with a key tounlock it.
By default, ports 0 through 7 are enabled on the switch. To enable ports 8 through16, install a Ports on Demand license key. To enable ports 16 through 24, installanother Ports on Demand license.
After you have installed the license keys, you must enable the ports. You can do sowithout disrupting switch operation by using the portEnable command on eachport individually. Alternatively, you can disable and reenable the switch to activateall ports simultaneously.
To install the additional port activation license, you can either use the suppliedlicense key or generate a license key. Typically the switch is shipped with a paperpack that specifies the transaction key to use with the Software License Keys link.
Use this transaction key at the following Web site: http://www.ibm.com/servers/storage/support/san.1. On that page, from the Product list, select your product.2. Select Download from the Support & downloads section.3. From the page that is generated, select License request in the Tool/utility
section.4. Follow the instructions on that page to generate the key. You can also use this
site to generate other license keys for your switch.
ISL Trunking groupsThe switch supports Interswitch Link (ISL) Trunking as a licensed feature. Whenthis feature is enabled, create Trunked groups of up to 8 contiguous ports. Thismeans that you can create up to three trunked groups that contain 8 ports each.The Fibre Channel ports on the switch are numbered from left to right andcolor-coded within groups of eight to indicate which ports you can combine intotrunked groups.
Chapter 1. Introducing the SAN24B-4 Express switch 3
v A–Trunk Group 1: ports 0 through 7v B–Trunk Group 2: ports 8 through 15v C–Trunk Group 3: ports 16 through 23
Note: ISL Trunking is optional software that allows you to create trunking groupsof ISLs between adjacent switches. For more information about trunking,refer to the Fabric OS Administrator’s Guide.
Supported optional featuresThe switch supports the following optional software, which you can activate bypurchasing the corresponding license key:v Extended Fabric–allows implementation of long distance dynamic (LD) and long
distance static (LS) distance levels. This feature extends SAN fabrics beyond theFibre Channel standard 10 km by optimizing the internal switch buffers tomaintain performance on ISLs at distances up to 500 kilometers.
v Fabric Watch–monitors mission-critical switch operations. This feature isdesigned to enable real-time proactive awareness of the health, performance, andsecurity of each switch. It automatically alerts network managers to problemsand helps avoid costly failures by providing:– Real-time tracking of numerous fabric and switch elements– Automatic event notifications when switch and fabric elements exceed
thresholds– Security, availability, and congestion monitoring thresholds and alerts
v Adaptive Networking– provides a set of capability allowing high priorityconnections to obtain the bandwidth necessary for optimum performance, evenin congested environments.
v Advanced Performance Monitor–provides Performance Monitoring capability tohelp identify end-to-end bandwidth usage by host/target pairs and is designedto provide information for capacity planning.
v Trunking Activation–designed to enable Fibre Channel packets to be efficientlydistributed across multiple Inter-Switch connections (links) between two SANb-type fabric switches, while preserving in-order delivery. ISL Trunking issupported between any of the supported 2, 4, or 8 Gbps b-type models. BothSAN b-type fabric switches must have ISL Trunking activated.
v Server Application Optimization (SAO)–designed to bring Quality of Service(QoS) enhancements for server consolidation and virtualization
In addition, customers can order a set of optional features bundled into oneorderable feature, the B24 Enterprise Package. This bundled feature consists of oneof each of Fabric Watch, Trunking Activation, Advanced Performance Monitor,Adaptive Networking, and two 8-Port Activations.
B
A C
B
B24
_000
2
Figure 2. Trunking groups
4 SAN24B-4 Express Installation, Service, and User Guide
||
For more information on the use of these features, refer to the Fabric OSAdministrator’s Guide.
Chapter 1. Introducing the SAN24B-4 Express switch 5
6 SAN24B-4 Express Installation, Service, and User Guide
Chapter 2. Installing and configuring the switch
You can install the switch in either of two ways:v As a stand-alone unit on a flat surfacev In an Electronic Industries Association (EIA) cabinet using a slide-rail rack
mount kit, which is provided with the switch. When you mount the switch intoa slide-rail rack, you can mount the chassis to slide from either the port side orthe non-port side.
The SAN24B-4 can be configured and operated as either a SAN fabric switch or asan Access Gateway. The configuration instructions in this publication are for theSAN24B-4 to operate as a switch. The installation instructions in this documentapply to both Switch and Access Gateway modes. To configure and operate theSAN24B-4 in Access Gateway mode, refer to the IBM System Storage SAN24B-4Access Gateway Quick Start Guide and the Access Gateway Administrator's Guide.
Attention: When you enable Access Gateway mode, you disable the ability forthe SAN24B-4 to operate as a switch. Access Gateway mode and switch mode aremutually exclusive. If you want to use the SAN24B-4 as a switch at a later time,you will need to disable Access Gateway mode and enable switch mode. Changingbetween Access Gateway and Switch modes is a data disruptive operation. It isstrongly recommended that you disable the switch from the command lineinterface before enabling or disabling Access Gateway mode.
This chapter provides the following information:v “Items included with the switch”v “Installation and safety considerations” on page 8v “Installing a stand-alone switch” on page 9v “Installing the switch into an EIA cabinet” on page 9v “Recommendations for cable management” on page 15v “Configuring the switch” on page 16
Items included with the switchThe following items are included with the standard shipment of the switch. Whenyou open the packaging, verify that these items are included in the package andthat no damage has occurred during shipping:v One SAN24B-4 switchv An accessory kit that contains the following items:
– Serial cable with an RJ-45 connector– One grounded 1.8 m (6 ft.) country-specific power cord– Four rubber feet, required for setting up the switch as a stand-alone unit– SFP transceivers (quantity depending upon features ordered)– IBM System Storage SAN24B-4 Installation, Service, and User Guide (this
document)– IBM System Storage SAN24B-4 Quick Start Guide
– IBM System Storage SAN24B-4 Access Gateway Quick Start Guide
– IBM documentation CD
© Copyright IBM Corp. 2008, 2010 7
– EZSwitchSetup CD– One LC wrap plug
Installation and safety considerationsUse this section to prepare your site for a safe and successful installation.
Attention: Although the switch has been designed for customer installation andreplacement procedures, you must first ensure that the rack into which the switchis to be installed is also customer accessible. If it is not, then only trained personnelcan install and service these switches in such a rack.
Attention: Read the “Safety and environmental notices” on page xivbefore attempting any installation or maintenance procedures.
The switch can be installed either as a free-standing unit, or installed in an EIAcabinet, using an optional slide-rail rack mount kit. When mounting into aslide-rail rack, you can mount the chassis to slide from either the port side or thenonport side.
Electrical considerationsTo install and operate the switch successfully, ensure the following:v The primary outlet is correctly wired, protected by a circuit breaker, and
grounded in accordance with local electrical codes.v The supply circuit, line fusing, and wire size are adequate, as specified by the
electrical rating on the switch nameplate.v The power supply standards provided in “Power supply specifications” on page
36 are met.
Environment considerationsFor successful installation and operation of the switch, ensure that the followingenvironmental requirements are met:v At a minimum, adequate cooling requires that you install the switch with the
nonport side, which contains the air intake vents, facing the cool-air aisle.v All equipment in the rack should force air in the same direction to avoid
intaking exhaust air.v A minimum of 680 l/min (24 cubic ft/min) of air flow is available to the air
intake vents on the nonport side of the switch.v The ambient air temperature does not exceed 40° C (104° F) while the switch is
operating.
Cabinet considerations
Attention: See “Rack safety” on page xx for danger and caution notices related toproduct installations in racks or cabinets.
For successful installation and operation of the switch in a cabinet, ensure that thefollowing cabinet requirements are met:v The cabinet must be a standard EIA cabinet.
8 SAN24B-4 Express Installation, Service, and User Guide
v Plan a cabinet space that is 1 rack unit 4.45 cm (1.75 in.) high, 48.3 cm (19 in)wide.
v Ground all equipment in the cabinet through a reliable branch circuit connectionand maintain ground at all times. Do not rely on a secondary connection to abranch circuit, such as a power strip.
v Ensure that airflow and temperature requirements are met on an ongoing basis,particularly if the switch is installed in a closed or multicabinet assembly.
v Verify that the additional weight of the switch does not exceed the cabinet’sweight limits or unbalance the cabinet in any way.
v Secure the cabinet to ensure stability in case of unexpected movement, such asan earthquake.
Installing a stand-alone switchTo install the switch as a stand-alone unit, use the following procedure:1. Unpack the switch and verify the items listed in “Items included with the
switch” on page 72. Apply the adhesive rubber feet. Applying the rubber feet onto the switch helps
prevent the switch from sliding off the supporting surface.a. Clean the indentations at each corner of the bottom of the switch to ensure
that they are free of dust or other debris that might lessen the adhesion ofthe feet.
b. With the adhesive side against the chassis, place one rubber foot in eachindentation and press into place.
3. Place the switch on a flat, sturdy surface.4. Provide power to the switch as described in “Powering the switch on and off”
on page 21.
Attention: Do not connect the switch to the network until the IP address iscorrectly set. For instructions on how to set the IP address, see “Configuring theswitch” on page 16.
Installing the switch into an EIA cabinet
Attention: Although the switch has been designed for customer installation andreplacement procedures, you must first ensure that the rack into which the switchis to be installed is also customer accessible. If it is not, then only trained personnelcan install and service these switches in such a rack.
Attention: Read the “Safety and environmental notices” on page xivbefore attempting any installation or maintenance procedures.
Attention: Refer to “Rack safety” on page xx for danger and caution noticesrelated to rack and cabinet installations.
You can install the rack mount kit in either of two ways:v To allow the port side of the switch to slide out of the exhaust-air side of the
cabinet. In this installation, the port side of the switch is flush with the edge ofthe cabinet.
Chapter 2. Installing and configuring the switch 9
v To allow the non-port side of the switch to slide out the cool-air side of thecabinet. In this installation, the port side of the switch is set 7.62 cm (3 in.) backfrom the edge of the cabinet, allowing a more gradual bend in the fiber opticcables.
Time requiredApproximately 30 minutes
Items requiredYou need the following items to install the switch in a slide-rail rack:v Straight slot screwdriverv Rack space: 1 EIA unit of rack space, 48.3 cm (19 in.) wide, and 60.96 cm (24 in.)
deepv One power cord that is provided with the switchv One power outletv Rack mount kit
Attention: Use the exact screws specified in the procedure for use with the switchchassis. Using screws longer than 3/16 in. can damage the switch. The differenttypes of screws are listed in Table 3 on page 11.
Note: Make sure that you tighten all screws used in this procedure.
Installation instructionsTo install the switch in a slide-rail rack that meets EIA standards, use the followingprocedure.
Note: These procedures use parts that are included in the rack-mount kit. Theseparts are listed in Table 3 on page 11. The installation procedurecross-references the items in this table. Be sure to use the referenced partswhen you perform each step.
Before you start the rack-mount installation process, locate the rack-mount slidesand the mounting bracket that are provided in the shipping container.
Figure 3 on page 11 shows the rack assembly. The number keys, such as �1�, referto the items listed in Table 3 on page 11.
10 SAN24B-4 Express Installation, Service, and User Guide
1. Unpack the rack-mount kit and verify that all ordered items and parts arepresent and undamaged. See Table 3 for a list of parts and the quantitiessupplied.
Table 3. Parts supplied with the rack-mount kit
Item Description Quantity
�1� Rack mount slide (inner and outer slide) 2
�2� Right rack mount bracket (optional bracketfor front of switch)
1
�3� Left rack mount bracket (optional bracket forfront of switch)
1
�4� Rack mounting bracket (3-hole) 4
�5� Nut clip, M5 11
�6� Screw, 8-32 x 3/16 in., zinc 11
�7� Screw, M5 x 12 11
�8� Bracket to slide rack kit (contains items 9 -12)
1
�9� Screw, 8-32 x 3/8 in., zinc 5
�10� Washer, flat, No. 8 5
�11� Washer, lock, No. 8 5
�12� Nut, hex, 8-32 5
SJ000153
Outer Slide
EIA Rack Rail
Inner Slide
Front of Switch
SeeDetail A
4
4X
9
8X
1
2X
7
4X
6
2XDetail A
10
8X 11
8X
12
8X
27
2X
6
5X
7
4X
4X5
3
Figure 3. Rack assembly
Chapter 2. Installing and configuring the switch 11
2. Separate the inner and outer slides.a. Open one of the slides until the lock engages.b. Press the lock release lever (�1� in Figure 4) and remove the inner rail from
the outer rail.
c. Repeat step 2a and step 2b for the other rail.
Note: For racks with flush-mount doors, such as the 9306 Netfinity® racks, donot install the front brackets. Instead, use the rack-mount slides byattaching the switch to the set of mounting holes, which are offset 3inches into the rack.
3. Install the inner (smaller) slide on the switch chassis, as Figure 3 on page 11shows.Attention: If you use screws longer than 3/16 in., you can damage the switch.a. Position the flat side of the inner rail along one side of the switch. Align the
holes in the rail with the threaded holes in the side of the switch chassis.The chamfered end of the inner rail should face toward the rear of theswitch (away from the ports) as shown in Figure 5 on page 13.
b. Attach the inner rail by using three of the 8-32 x 3/16 in. zinc screws (�6� inTable 3 on page 11).
SJ000046
1
Figure 4. Separating the inner and outer rails
12 SAN24B-4 Express Installation, Service, and User Guide
c. Repeat step 3a on page 12 and step 3b on page 12 for the second inner railon the other side of the switch chassis.
4. Optional step: If desired, install the right rack mount bracket �2� (see Figure 3on page 11) and the left rack mount bracket �3� on the switch chassis. Usethese brackets to secure the switch to the rack as shown in Figure 5.Attention: Do not use screws longer than 3/16 in.; they can damage theswitch.a. Position the left rack mount bracket at the left front corner of the switch
chassis. Align the two holes in the bracket with the two threaded holes inthe switch chassis.
b. Attach the bracket by using two of the 8-32 x 3/16 in. zinc screws (see �6�in Figure 3 on page 11)
c. Repeat step 4a and step 4b for the right rack mount bracket on the rightfront corner of the switch chassis.
5. Attach all four of the 3-hole rack mounting brackets �4� in Figure 6 on page 14.a. Position a 3-hole rack mounting bracket �4� at the end of one of the outer
slides.b. Attach the bracket by using the 8-32 x 3/8 in. zinc screws �9�. Ensure that
the screw heads are inside the slides.c. Place one each of the following items on the outer end of the screw in the
order listed:1) Washer, flat No. 8 �10�
2) Washer, lock No. 8 �11�
3) Nut, hex, 8-32 �12�
d. Repeat steps 5a through 5c for the three remaining rail ends.
SJ000047Front
1
6
3
Figure 5. Mounting the moving portion of the slide and mounting brackets to the switch
Chapter 2. Installing and configuring the switch 13
6. Install the outer (larger) slides in the rack, as shown in Figure 6.a. At the desired height, install the five M5 nut clips �5�. Put three M5 nut
clips in the front of the rack and two in the back. The middle clip in thefront of the rack is for the locking ears.
Note: Some rack mount kits might use 10-32 nut clips in place of the M5nut clips for the locking ears.
b. Attach the slides by using four M5 x 12 screws �7� (see Figure 3 on page11).
c. Repeat step 6a and step 6b for the other rail.7. Install the switch in the rack.
a. Position the switch in front of the rack. Insert the switch into the rack bysliding the inner slides that are mounted on the switch into the outer slidesthat are mounted on the rack. See Figure 7 on page 15.
SJ0000483
9
111210
5
4
4
1
Figure 6. Mounting the fixed portion of the rail and the locking brackets to the rack
14 SAN24B-4 Express Installation, Service, and User Guide
b. Check the alignment of the slides by sliding the switch in and out of therack. Any difficulty moving the switch indicates lateral stress ormisalignment. If this situation occurs, adjust the slide positions until themovement is smooth.
8. Optional step: If the right and left rack mount brackets are installed on thefront corners of the switch, attach both brackets to the cabinet rack by using M5x 12 screws �7�. See step 4 on page 13 and Figure 3 on page 11. The screwsshould pass through the front of each bracket and the slide rail.
Note: Some rack mount kits might use 10-32 nut clips in place of the M5 nutclips for the locking ears.
9. Continue with initial setup of the switch by following the procedures in“Configuring the switch” on page 16.
DANGER
An electrical outlet that is not correctly wired could placehazardous voltage on metal parts of the system or the devices thatattach to the system. It is the responsibility of the customer toensure that the outlet is correctly wired and grounded to preventan electrical shock. (D004)
Note: Do not connect the switch to the network until you perform one of thefollowing steps:v Set the internet protocol (IP) address.v Verify that the default IP address does not conflict with the existing IP
addresses in the same network.
Recommendations for cable management
Attention: The minimum bend radius for a 50 micron cable is 51 mm (2 in.)under full tensile load and 30.5 mm (1.2 in.) with no tensile load.
SJ000049
Figure 7. Inserting slides into the rack rails
Chapter 2. Installing and configuring the switch 15
Cables can be organized and managed in a variety of ways: for example, usingcable channels on the sides of the cabinet or patch panels to minimize cablemanagement. Following is a list of recommendations:v Plan for rack space required for cable management before installing the switch.v Leave at least 1 meter (3.28 ft) of slack for each port cable. This provides room
to remove and replace the switch, allows for inadvertent movement of the rack,and helps prevent the cables from being bent to less than the minimum bendradius.
v If you are using Brocade ISL Trunking, consider grouping cables by trunkinggroups. The cables used in trunking groups must meet specific requirements, asdescribed in the Fabric OS Administrator's Guide.
v For easier maintenance, label the fiber optic cables and record the devices towhich they are connected.
v Keep LEDs visible by routing port cables and other cables away from the LEDs.v Use hook-and-loop fasteners to secure and organize fibre optic cables. Do not
use tie wraps on fiber optic cables, because wraps are easily overtightened andcan damage the optic fibers.
Configuring the switchYou must configure the switch to ensure correct operation within a network andfabric. For instructions about how to configure the switch to operate in a fabricthat contains switches from other vendors, refer to the Fabric OS Administrator'sGuide.
For more information about the commands used in this procedure, refer to theFabric OS Command Reference Manual.v “Using the EZSwitch setup (optional)”v “Providing power to the switch”v “Creating a serial connection” on page 17v “Setting the switch IP address” on page 17v “Setting the date and time” on page 18
Using the EZSwitch setup (optional)Once you have set up the switch in a rack or as a stand-alone switch, it is time togive it power and a basic configuration. If you are going to use the switch in asingle-switch setup, you can use EZSwitchSetup to complete the basicconfiguration. See the EZSwitchSetup CD included with the accessory kit for moreinformation. You can also use the SAN24B-4 Quick Start Guide. If you do not wantto use EZSwitch Setup, use the instructions in following sections.
Providing power to the switchTo provide power to the switch:1. Connect the power cord to the power receptacle on the port side of the switch,
and then to the power source. Ensure that the cord has a minimum service loopof 15 cm (6 in.) available and is routed to avoid stress.The switch does not have a on/off power switch. This means that power issupplied to the switch as soon as you connect it to an AC power source.The status LEDs display amber until POST is complete, and then change togreen. The switch usually requires from 1 to 3 minutes to boot and completePOST.
16 SAN24B-4 Express Installation, Service, and User Guide
2. After POST is complete, verify that the switch power and status LEDs on theleft of the port side of the switch are green.
Creating a serial connectionYou will perform all basic configuration tasks in this guide using a serialconnection. To create a serial connection to the switch, complete the followingsteps:1. Connect the serial cable to the serial port on the switch and to an RS-232 serial
port on the workstation.If the serial port on the workstation is RJ-45 instead of RS-232, remove theadapter on the end of the serial cable and insert the exposed RJ-45 connectorinto the RJ-45 serial port on the workstation.
2. Disable any serial communication programs running on the workstation.3. Open a terminal emulator application (such as HyperTerminal on a PC, or
TERM, TIP, or Kermit in a UNIX® environment), and configure the applicationas follows:v In a Windows® environment:
Bits per second 9600
Databits 8
Parity None
Stop bits 1
Flow control Nonev In a UNIX environment, type the following string at the prompt:
tip /dev/ttyb -9600If ttyb is already in use, use ttya instead and enter the following string at theprompt:tip /dev/ttya -9600
Setting the switch IP addressYou can configure the switch with a static IP address, or you can use a DHCP(Dynamic Host Configuration Protocol) server to set the IP address of the switch.DHCP is enabled by default. The switch supports both IPv4 and IPv6.
Using DHCPWhen using DHCP, the switch obtains its IP address, subnet mask, and defaultgateway address from the DHCP server. The DHCP client can only connect to thea DHCP server that is on the same subnet as the switch. If your DHCP server isnot on the same subnet as the switch, use a static IP address.
Setting a static IP address1. Log into the switch using the default password, which is password.2. Use the ipaddrset command to set the Ethernet IP address.
If you are going to use an IPv4 IP address, enter the IP address in dotteddecimal notation as prompted.Ethernet IP Address: [192.168.74.102]
If you are going to use an IPv6 address, enter the network information insemicolon-separated notation as prompted.
Chapter 2. Installing and configuring the switch 17
switch:admin> ipaddrset -ipv6 --add 1080::8:800:200C:417A/64IP address is being changed...Done.
3. Complete the rest of the network information as prompted.
Ethernet Subnetmask: [255.255.255.0]Ethernet IP Address: [192.168.74.102]Ethernet Subnetmask: [255.255.255.0]
4. Enter off to Disable DHCP when prompted.DHCP [OFF]: off
Setting the date and timeThe switch maintains the current date and time inside a battery-backed real-timeclock (RTC) circuit. Date and time are used for logging events. Switch operationdoes not depend on the date and time; a switch with an incorrect date and timevalue still functions properly. However, because the date and time are used forlogging, error detection, and troubleshooting, you should set them correctly.
Setting the date1. If you are not already logged into the switch; do so now using the default
password, which is password.2. Enter the date command, using the following syntax:
date "mmddHHMMyy"
The values represent the following:v mm is the month; valid values are 01 through 12v dd is the date; valid values are 01 through 31v HH is the hour; valid values are 00 through 23v MM is minutes; valid values are 00 through 59v yy is the year; valid values are 00 through 99 (values greater than 69 are
interpreted as 1970 through 1999, and values less than 70 are interpreted as2000-2069)
switch:admin> dateFri Sep 29 17:01:48 UTC 2007switch:admin> date "0927123007"Thu Sep 27 12:30:00 UTC 2007switch:admin>
Setting time zonesYou can set the time zone for a switch by name. You can specify the setting usingcountry and city or time zone parameters.If the time zone is not set with the new options, the switch retains the offset timezone settings. The tsTimeZone command also includes an option to revert to theprior time zone format. For more information about the tstimezone [--old] option,see the Fabric OS Command Reference Manual.
You can set the time zone for a switch using the tsTimeZone command. ThetsTimeZone command allows you to perform the following tasks:v Display all of the time zones supported in the firmwarev Set the time zone based on a country and city combination or based on a time
zone ID such as PST
18 SAN24B-4 Express Installation, Service, and User Guide
The time zone setting has the following characteristics:v You can view the time zone settings. However, only those with administrative
permissions can set the time zones.v The tsTimeZone setting automatically adjusts for Daylight Savings Time.v Changing the time zone on a switch updates the local time zone setup and is
reflected in local time calculations.v By default, all switches are in the GMT time zone (0,0). If all switches in a fabric
are in one time zone, it is possible for you to keep the time zone setup at thedefault setting.
v System services that have already started will reflect the time zone changes onlyafter the next reboot.
v Time zone settings persist across failover for high availability.
The following procedure describes how to set the time zone for a switch. You mustperform the procedure on all switches for which the time zone must be set.However, you only need to set the time zone once on each switch, because thevalue is written to nonvolatile memory.1. If you are not already logged into the switch; do so now using the default
password, which is password.2. Enter the tsTimeZone command as follows:
switch:admin> tstimezone [--interactive]/ [, timezone_fmt]
Use timezone_fmt to set the time zone by Country/City or by time zone ID,such as PST.The following example shows how to display the current time zone setup andhow to change the time zone to US/Central.
switch:admin> tstimezoneTime Zone : US/Pacificswitch:admin> tstimezone US/Centralswitch:admin> tstimezoneTime Zone : US/Central
The following procedure describes how to set the current time zone usinginteractive mode to Pacific Standard Time.
1. Type the tsTimeZone command as follows:switch:admin> tstimezone --interactive
2. You are prompted to select a general location.Please identify a location so that time zone rules can be set correctly.
3. Enter the appropriate number or Ctrl-D to quit.4. At the prompt, select a country location.5. At the prompt, enter the appropriate number to specify the time zone region or
Ctrl-D to quit.
Synchronizing local time using NTPYou can synchronize the local time of the principal or primary fabric configurationserver (FCS) switch to a maximum of eight external network time protocol (NTP)servers. To keep the time in your SAN current, it is recommended that theprincipal or primary FCS switch has its time synchronized with at least oneexternal NTP server. The other switches in the fabric will automatically take theirtime from the principal or primary FCS switch.
Chapter 2. Installing and configuring the switch 19
All switches in the fabric maintain the current clock server value in non-volatilememory. By default, this value is the local clock server <LOCL> of the principal orprimary FCS switch. Changes to the clock server value on the principal or primaryFCS switch are propagated to all switches in the fabric.
For more information on using an NTP server, and IPv6 considerations, see theFabric OS Administrator’s Guide.1. If you are not already logged into the switch; do so now using the default
password, which is password.2. Enter the tsClockServer command:
switch:admin> tsclockserver "<ntp1;ntp2>"
where ntp1 is the IP address or DNS name of the first NTP server, which theswitch must be able to access. The second ntp2 is the second NTP server and isoptional. The operand “<ntp1;ntp2>” is optional; by default, this value isLOCL, which uses the local clock of the principal or primary switch as theclock server.
The tsClockServer command accepts multiple server addresses in either IPv4, IPv6,or DNS name formats. When multiple NTP server addresses are passed,tsclockserver sets the first obtainable address as the active NTP server. The restwill be stored as backup servers that can take over if the active NTP server fails.The principal or primary FCS switch synchronizes its time with the NTP serverevery 64 seconds.
switch:admin> tsclockserverLOCLswitch:admin> tsclockserver "132.163.135.131"switch:admin> tsclockserver132.163.135.131switch:admin>
The following example shows how to set up more than one NTP server using aDNS name:
switch:admin> tsclockserver "10.32.170.1;10.32.170.2;ntp.localdomain.net"Updating Clock Server configuration...done.Updated with the NTP serversChanges to the clock server value on the principal or primary FCS switchare propagated to all switches in the fabric.
20 SAN24B-4 Express Installation, Service, and User Guide
Chapter 3. Operating the switch
This chapter provides the following information:v “Powering the switch on and off”v “Interpreting LED activity”v “LED patterns” on page 23v “POST and boot specifications” on page 25v “Interpreting POST results” on page 26v “Switch FRU units” on page 26v “Maintaining the switch” on page 26v “Managing the switch” on page 30v
Powering the switch on and offSee Chapter 2, “Installing and configuring the switch,” on page 7 for initial setupinstructions before powering the switch on for the first time. Once the switch hasbeen properly configured, follow these instructions to power the switch on and off.
The SAN24B-4 does not have an AC power switch. To power on the SAN24B-4,connect the power cable to the AC receptacle on the switch and to a power source.The switch runs POST by default each time it is powered on, reset, or rebooted,and requires a minimum of three minutes to run. To end the flow of power to theswitch, remove the power cord from the power source.
Interpreting LED activitySystem activity and status can be determined through the activity of the LEDs onthe switch. All LEDs are located on the port side of the switch. There are threepossible LED states: no light, a steady light, and a flashing light. The steady lightsand flashing lights can be green or amber. The LEDs flash either of these colorsduring boot, POST, or other diagnostic tests. This is normal and does not indicate aproblem unless the LEDs do not indicate a healthy state after all boot processesand diagnostic tests are complete.
The switch has the following LEDs:v System power LED–One LED (green) to indicate system powerv System status LED–One LED (green/amber) to indicate system statusv Ethernet status LEDs–Two LEDs to indicate speed and link statusv Port status LEDs–24 LEDs (green/amber) to indicate status for each port
© Copyright IBM Corp. 2008, 2010 21
LED locationsAll the switch LEDs are located on the port side. Figure 8 shows the location ofindividual LEDs
Item LED names and descriptions
A System power LED (green)
B System status LED (green/amber)
C Ethernet link status LED
D Ethernet link speed LED
E Port status LED for port 3
F Port status LED for port 7
A
B
C D
E
F
B24
_000
3
Figure 8. Detailed view, location of LEDs on the switch
22 SAN24B-4 Express Installation, Service, and User Guide
LED patternsTable 4 through Table 7 on page 25 summarize the switch LED locations, color, andmeaning, as well as any recommended user response.
Power status LED patternsThe power status LED patterns are shown in Table 4
Table 4. Power status LED patterns, status, and recommended actions
LED name LED color Status of hardwareRecommendedaction
Power Status LED No light Primary power cordis disconnected or isnot actively powered,or power supply hasfailed.
Verify that switch ison and hascompleted booting.Verify cordconnections aresecure.
Steady green Switch is on andpower supply isfunctioning properly.
No action is required.
System status LED patternsThe system status LED patterns are shown in Table 5
Table 5. System status LED patterns, status, and recommended actions
LED name LED color Status of hardwareRecommendedaction
System Status LED No light Switch is off, boot isnot complete, or bootfailed.
Verify that switch ison and hascompleted booting.
Steady green Switch is operational. No action is required.
Slow-flashing green(on 1 second, off 1second)
One or both of thefollowing are true:One or moreenvironmental rangesare exceeded.Error log containsone or more portdiagnostic errormessages.
Check environmentalconditions, error log,Port Status LEDs,SFPs, cables, andloopback plugs.Correct errorcondition. Clear errorlog. Rerundiagnostics to verifyfix.
Amber Switch is faulty, orinitializing.
Wait a few momentsto verify that theswitch is notinitializing.
Port status LED patternsEach port has one LED port status indicator. Table 6 on page 24 shows the LEDcolor, status, and recommended action for these port LEDs.
Chapter 3. Operating the switch 23
Table 6. Port LED patterns during normal operation
LED name LED color Status of hardwareRecommendedaction
Port status No light No light or signalcarrier (SFP or cable)detected.
Check SFP and cable.
Steady green Port is online(connected toexternal device) buthas no traffic.
No action is required.
Slow-flashing green(on 1 second, off 1second)
Port is online butsegmented,indicating a loopbackcable or incompatibleswitch.
Verify that the correctdevice is connectedto the port and thatthe switch and portsettings are correct.
Fast-flashing green(on 1/4 second, off1/4 second)
Port is in internalloopback (diagnostic).
No action is required.
Flickering green Port is online, withtraffic flowingthrough port.
No action is required.
Steady amber Port is receiving lightor signal carrier butis not yet online.
No action is required.
Slow-flashing amber(on 1 second, off 1second)
Port is disabled asthe result ofdiagnostics orportDisablecommand. If all portsare slow-flashingamber, the switchcould be disabled.
If all ports areslow-flashing amber,the switch could bedisabled. Enable theport using theportEnablecommand; refer toFabric OS CommandReference Manual formore information.If all ports areslow-flashing amber,enable the switch(switchEnablecommand).
Fast-flashing amber(on 1/4 second, off1/4 second)
Port is faulty. Check the Port StatusLEDs, error log, SFP,and cable orloopback plug. Clearthe error log. Rerunthe diagnostics toverify that the errorcondition is fixed.
24 SAN24B-4 Express Installation, Service, and User Guide
Ethernet LED patternsEach Ethernet port has two LEDs, which are described in Table 7
Table 7. Ethernet LED patterns
LED name LED color Status of hardwareRecommendedaction
Ethernet speed LED(right)
No light Port speed is 10Mb/sec.
No action is required.
Steady green Port speed is 100Mb/sec.
No action is required.
Ethernet link statusLED (left)
No light No link detected Verify the Ethernetcable is connectedcorrectly.
Blinking amber There is link activity(traffic).
No action is required.
Solid Amber There is a link. No action is required.
POST and boot specificationsWhen the switch is turned on or rebooted, the switch performs POST. Total boottime with POST is up to 3 minutes. POST can be omitted after subsequent rebootsby using the fastboot command or entering the diagDisablePost command topersistently disable POST.
For more information about these commands, refer to the Fabric OS CommandReference Manual.
POSTThe success or failure results of the diagnostic tests that run during POST can bemonitored through the error log or the command line interface.
POST includes the following steps:1. Preliminary POST diagnostics are run.2. Operating system is initialized.3. Hardware is initialized.4. Diagnostic tests are run on several functions, including circuitry, port
functionality, memory, statistics counters, and serialization.
BootIn addition to POST, boot includes the following steps after POST is complete:1. Universal port configuration is performed.2. Links are initialized.3. Fabric is analyzed, and if any ports are connected to other switches, the switch
participates in a fabric configuration.4. Switch obtains a domain ID and assigns port addresses.5. Unicast routing tables are constructed.6. Normal port operation is enabled.
Chapter 3. Operating the switch 25
|||||
||
||
Interpreting POST resultsPOST is a system check that is performed each time the switch is powered on,rebooted, or reset. During POST, the LEDs flash amber and green. Any errors thatoccur during POST are listed in the error log.
To determine that POST completed successfully and whether or not any errorswere detected:1. Verify that the switch LEDs indicate that all components are healthy. See
Table 4 on page 23 through Table 7 on page 25 for the description andinterpretation of LED patterns. If one or more LEDs do not display a healthystate, verify that the LEDs on the switch are not set to “beacon”; use theswitchShow command to detect if beaconing is active.
2. Verify that the switch prompt displays on the terminal of a computerworkstation connected to the switch. If there is no switch prompt when POSTcompletes, press Enter. If the switch prompt still does not display, try openinganother telnet session or accessing through another management tool. If this isnot successful, the switch did not successfully complete POST; contact IBMService for repair.
3. Review the switch system log for errors. Any errors detected during POST arewritten to the system log, which is accessible through the errShow command.
For information about all referenced commands, and on accessing the error log,refer to Fabric OS Administrator's Guide. For information about error messages, referto the Fabric OS System Error Message Reference Manual.
Switch FRU unitsThe only parts for this switch that are field replaceable are the SFPs. The entireswitch is a FRU. The fan units and power supply are not field replaceable in thisswitch.
Maintaining the switchThe switch does not require any regular physical maintenance; it was designed tominimize the chance of failure. Ensure that the environmental conditions,described in “Environment considerations” on page 8, are met. This helps preventfailure of the switch due to distress or abuse.
Installing SFPsThe switch only supports Brocade-branded SFPs. If you use an unqualified SFP, theswitchShow command output will show the port in an Mod_Inv state. Fabric OSwill also log the issue in the system error log.
Follow these instructions to install an SFP:1. Making sure that the bail (wire handle)�B� is in the unlocked position, place
the SFP in the correctly oriented position on the port, as shown in Figure 9 onpage 27
Note: Each SFP has a 10-pad gold-plated PCB-edge connector on the bottom.The correct position to insert an SFP into the upper row of ports is withthe gold edge down. The correct position to insert an SFP into the lowerrow of ports is with the gold edge up.
2. Slide the SFP into the port until you feel it click into place; then close the bail.
26 SAN24B-4 Express Installation, Service, and User Guide
Item Description
A Switch chassis
B SFP with open bale
C SFP
C Closed bale
1
2
A
A
D
B
C
!
B24
_000
4
Figure 9. SFP installation and bail closing
Chapter 3. Operating the switch 27
Removing SFP modulesTo remove an SFP:1. Press and hold the cable release �B�, as shown in section 1 of Figure 102. Remove the cable from the SFP, as shown in section 2.3. Pull the bail (wire handle) �D� in section 3 to release the SFP.4. Grasping it by the bail, gently but firmly pull the SFP (�C� in section 4) out of
the port.Attention: If the SFP you are removing does not have a bail, use a smallimplement such as a screwdriver to press the release trigger beneath the port.Non-bailed SFPs can be damaged by the removal process and are notrecommended. Refer to the interoperability matrix at the following web site:www.ibm.com/servers/storage/support/san for a list of supported SFPs anddevices.
5. Repeat this procedure for the remaining ports, as required.
Item Description
A Switch chassis
B Cable release
scale: 1/8" = 1"
!IOIOI
ATTEN
TION :
M axim
um screw
length for rack
mounting to b
e 5m m
or 13
/64 in.
13
42
A
D C
B
E
C
B24
_000
5
Figure 10. Removing an SFP
28 SAN24B-4 Express Installation, Service, and User Guide
Item Description
C SFP
D Bail
E Cabled Fibre Channel ports
Testing a port, SFP, and fiber cableThe PortLoopbackTest command is used to verify the functional operation of theswitch by sending frames from the port "N" transmitter and looping them backinto the same port "N" receiver. The loopback is done at the parallel loopback path.The path exercised in this test does not include the media or the fiber cable.However if data transmission errors indicate that a port, SFP or cable are faulty,you can use this command to determine whether the port is faulty. You can usethose results to isolate the problem to either the port or the SFP and cablecombination. If a port is faulty, the switch will need to be replaced. If the port isnot faulty, the problem is either with the SFP or the cable.
With this command, only one frame is transmitted and received at a time. Noexternal cable is required to run this test. The port LEDs flicker rapidly (green)while the test is running.
The test performs the following operations:1. Sets all ports for parallel loopback.2. Creates a frame F of maximum data size (2,112 bytes).3. Transmits the frame F through port "N".4. Picks up the frame from the same port "N".5. Checks the eight statistic error counters for nonzero values:
ENC_in, CRC_err, TruncFrm, FrmTooLong, BadEOF, Enc_out, BadOrdSet, DiscC3
6. Checks whether the transmit, receive, or class 3 receiver counters are stuck atsome value.
7. Checks whether the number of frames transmitted is not equal to the numberof frames received.
8. Repeats Steps 2 through 7 for all ports until one of the following conditionsare met:a. The number of frames (or passcount) requested is reached.b. All ports are marked bad.
At each pass, the frame is created from a different data type. If seven passesare requested, seven different data types are used in the test. If eight passesare requested, the first seven frames use unique data types, and the eighth isthe same as the first. The seven data types are:
CSPAT: 0x7e, 0x7e, 0x7e, 0x7e, ...BYTE_LFSR: 0x69, 0x01, 0x02, 0x05, ...CHALF_SQ: 0x4a, 0x4a, 0x4a, 0x4a, ...QUAD_NOT: 0x00, 0xff, 0x00, 0xff, ...CQTR_SQ: 0x78, 0x78, 0x78, 0x78, ...CRPAT: 0xbc, 0xbc, 0x23, 0x47, ...RANDOM: 0x25, 0x7f, 0x6e, 0x9a, ....
9. If the test indicates that all ports are good, the problem is associated witheither the cable or SFP.
10. Replace the SFP with an SFP known to be good.
Chapter 3. Operating the switch 29
11. Simulate the data transmission scenario when the error occurred. If the errordoes not reappear, the original SFP was defective, and should be discarded. Ifthe error does reappear, the cable is defective. Replace the cable and discardthe original cable.
12. Simulate the data transmission scenario again to verify that the problem doesnot reappear.
Diagnostic testsIn addition to POST, Fabric OS includes diagnostic tests to help troubleshoot thehardware and the firmware. This includes tests of internal connections andcircuitry, fixed media, and the SFPs and cables in use.The tests are implemented by command, either through a Telnet session or througha terminal set up for a serial connection to the switch. Some tests require the portsto be connected by external cables, to allow diagnostics to verify theserializer/deserializer interface, SFP, and cable.All diagnostic tests are run at link speeds of 1, 2, 4, and 8 Gbps, depending on thespeed of the link being tested.
Attention: Diagnostic tests can temporarily lock the transmit and receive speed ofthe links during diagnostic testing.
For information about specific diagnostic tests, refer to the Fabric OS Administrator’sGuide.
Managing the switchYou can use the management functions built into the switch to monitor the fabrictopology, port status, physical status, and other information to help you analyzeswitch performance and to accelerate system debugging. The switch automaticallyperforms power-on-self-test (POST) each time it is turned on. Any errors arerecorded in the error log. For more information about POST, see “POST and bootspecifications” on page 25.
For information about upgrading the version of Fabric OS installed on your switch,refer to the Fabric OS Administrator’s Guide. You can manage the switch using anyof the management options listed in Table 8.
Table 8. Management options for the switch
Management tool Out-of-bandsupport
In-band support
Command line interface (CLI)Up to two admin sessions and four user sessions simultaneously.For more information, refer to the Fabric OS Administrator's Guide and theFabric OS Command Reference Manual.
Ethernet or serialconnection
IP over FibreChannel
Web ToolsFor information, see the Web Tools Administrator's Guide.
Ethernet or serialconnection
IP over FibreChannel
Standard SNMP applicationsFor information, see the Fabric OS MIB Reference Manual.
Ethernet or serialconnection
IP over FibreChannel
Fabric Manager (optional purchase)For information, refer to the Fabric Manager User’s Guide.
Ethernet or serialconnection
IP over FibreChannel
Management ServerFor information, see the Fabric OS Administrator's Guide and the Fabric OSCommand Reference Manual.
Ethernet or serialconnection
Native in-bandinterface (overHBA only)
30 SAN24B-4 Express Installation, Service, and User Guide
Table 8. Management options for the switch (continued)
Management tool Out-of-bandsupport
In-band support
EFCM (optional purchase)For information, refer to the EFC Manager Software User Manual.
Ethernet or serialconnection
IP over FibreChannel
Note: To achieve in-band support for IP over Fibre Channel, the software must berun on both the HBA and the switch, and it must be supported by both theHBA and HBA driver.
Chapter 3. Operating the switch 31
32 SAN24B-4 Express Installation, Service, and User Guide
Appendix. Product specifications
This appendix contains the following information:v “Weight and physical dimensions”v “Environmental requirements”v “Facility requirements” on page 34v “System specifications” on page 35v “Memory specifications” on page 35v “Data transmission ranges” on page 36v “Fibre Channel port specifications” on page 36v “Serial port specifications” on page 36v “Power supply specifications” on page 36v “Supported SFPs and HBAs” on page 37
Weight and physical dimensionsTable 9 lists the weight and physical dimensions of the switch.
Table 9. Physical dimensions and weight of the switch
Dimension Measurement
Height 4.29 cm (1.69 in.)
Width 42.88 cm (16.88 in.)
Depth 30.6 cm (12.07 in.)
Weight 4.2 kg (9.3 lb)
Environmental requirementsTable 10 lists the acceptable environment for both operating and nonoperatingconditions.
Table 10. Environmental requirements
Condition Acceptable range during operation Acceptable range duringnon-operation
Temperature -10° to + 40°C (14° to 104°F) -25° to 70°C (-13° to 158°F)
Humidity 10% to 85% RH noncondensing, at 40°C,with maximum gradient of 10% per hour
10% to 90% RH noncondensing,at 70° C
Altitude 0 to 3 km (9,842 ft) above sea level 0 to 12 km (39,370 ft) above sealevel
Shock 20 G, 6 ms duration, half sine wave 33 G, 11 ms duration, half sine
Vibration 0.5 G, 5–500 Hz 2.0 G, 5–500 Hz
Air flow High speed: 23 CFMLow speed: 18 CFM
None required
Note: The -10° to 40° Celsius range applies to the ambient air temperature at theair intake vents on the nonport side of the switch. The temperature insidethe switch can be up to 80° Celsius during switch operation. If the internal
© Copyright IBM Corp. 2008, 2010 33
temperature range exceeds the operating ranges of the components, theLEDs, error messages, and Fabric Watch alerts indicate a problem. Enter thetempShow or Fabric Watch commands to view temperature status.
Facility requirementsTo ensure correct operation of the switch, the facility where the switch is in usemust meet the requirements listed in Table 11.
Table 11. Facility requirements
Type Requirements
Electrical v Primary AC input 100-240 VAC, 2.0A,47-63 Hz; switch autosenses input voltage
v Adequate supply circuit, line fusing, andwire size, as specified by the electricalrating on the switch nameplate
v Correctly wired primary outlet, withcircuit protected by a circuit breaker andgrounded in accordance with localelectrical codes
Thermal v A minimum air flow of 24 cubic ft/minavailable to the air intake vents on thenonport side of the switch.
v Ambient air temperature not exceeding40° C (104° F) while the switch isoperating
v At a minimum, adequate cooling requiresthat you install the switch with thenonport side, which contains the airintake vents, facing the cool-air aisle
v All equipment in the rack should force airin the same direction to avoid intakingexhaust air
v Ensure that airflow and temperaturerequirements are met on an ongoing basis,particularly if the switch is installed in aclosed or multicabinet assembly
Cabinet (when rack-mounted) v One rack unit in a standard EIA 19-in.(48.3 cm) cabinet
v All equipment in cabinet groundedthrough a reliable branch circuitconnection and maintain ground at alltimes. Do not rely on a secondaryconnection to a branch circuit, such as apower strip
v Additional weight of switch not to exceedthe cabinet’s weight limits
v Cabinet secured to ensure stability in caseof unexpected movement, such as anearthquake
34 SAN24B-4 Express Installation, Service, and User Guide
System specificationsTable 12 lists the system specifications for the switch.
Table 12. General specifications
Specification Descriptions
Autoconfiguring port types F_Port, FL_Port, M_Port, N_Port, and E_Port
System architecture Nonblocking shared-memory switch
System processor IBM PowerPC 440EPx, 667 MHz
SDRAM 512 MB DDR2 SDRAM onboard memoryoperating at 133 MHz
Compact flash 1 GB
ANSI Fibre Channel protocol FC-PH (Fibre Channel Physical andSignalling Interface standard)
Modes of operation Fibre Channel Class 2, Class 3, Class F
Fabric initialization Complies with FC-SW-2 6.6
Ethernet port One 10/100BaseT Ethernet port; accessedthrough RJ45 connector
Terminal port One UART interface for terminal, accessedthrough RJ-45 connector
ASIC Goldeneye-2 ASIC for Fibre ChannelSwitching
Port Status LEDs 24 LEDs (green/amber) to indicate status foreach port
System Power LED One LED (green) to indicate system power
System Status LED One LED (green/amber) to indicate systemstatus
Ethernet LEDs Two Ethernet LEDs to indicate speed andlink status
Power supply One fixed power supply (not a FRU)
Fans Three fixed fans operating at dual speeds(not a FRU).
FC-IP (IP over Fibre Channel) Complies with FC-IP 2.3 of FCA profile
Aggregate switch I/O bandwidt 384 Gbps if all 24 ports running at 8 Gbps,full duplex
Port-to-port latency Less than 700 nanoseconds with nocontention (destination port is free)
Memory specificationsThe switch memory specifications are shown in Table 13.
Table 13. Memory specifications
Memory type Installed memory
Main memory (SDRAM) 512 MB
Compact flash 1 GB
Appendix. Product specifications 35
Data transmission rangesTable 14 provides the data transmission ranges for different cable types and portspeeds.
Table 14. Data transmission ranges
Port speed Cable size (microns) Short wavelength (SWL) Long wavelength (LWL)
1 Gbps 50 500 m (1,640 ft) N/A
62.5 300 m (984 ft) N/A
9 N/A up to 10 km (6.2 mi)
2 GGbps 50 300 m (984 ft) N/A
62.5 150 m (492 ft) N/A
9 N/A N/A
4 Gbps 50 150 m (492 ft) N/A
62.5 70 m (230 ft) N/A
9 N/A N/A
8 Gbps 50 150 m (492 ft) N/A
62.5 21 m (69 ft) N/A
9 N/A 10 km
Fibre Channel port specificationsThe Fibre Channel ports in the switch are compatible with SWL, LWL, and ELWLSFPs. The strength of the signal is determined by the type of SFP in use. The portsare capable of operating at 1, 2, 4 and 8 Gbps, and are able to autosense thehighest speed capable for all attached devices. The ports meet all required safetystandards.
Serial port specificationsThe serial port is located on the port side of the switch as a RJ-45 connector,designed to connect to a DTE port. Use the serial port to connect to a computerworkstation to configure the switch IP address without connecting to the fabric.The serial port’s parameters are 9600 baud, 8 data bits, no parity, 1 stop bit, and noflow control.
Power supply specificationsThe power supply is universal and capable of functioning worldwide withoutusing voltage jumpers or switches. It meets IEC 61000-4-5 surge voltagerequirements and is autoranging in terms of accommodating input voltages andline frequencies. The power supply has its own built-in fan for cooling, pushingthe air toward the port side of the switch. The power supply is not removable.
Table 15 lists the power supply specifications for the switch.
Table 15. Switch power supply specifications
Specification Value
Inlet C13
Maximum output from the power supply 75 watts
36 SAN24B-4 Express Installation, Service, and User Guide
Table 15. Switch power supply specifications (continued)
Specification Value
System power consumption 48 watts nominal, 57 watts maximum
Input voltage 85 - 264 VAC, universal
Input line frequency 47 - 63 Hz
BTU rating 277 BTU/hr
Inrush current 21.5 Amps at 240 VAC cold start
Supported SFPs and HBAsWhen you receive the switch, your package contains at least 8 Brocade-brandedSFPs for the base configuration. Use only SFPs that are tested and supported. Forthe most up to date list of supported SFPs and HBAs for the switch, refer to theproduct interoperability matrix at the IBM SAN Support web pages at:www.ibm.com/servers/storage/support/san
Appendix. Product specifications 37
38 SAN24B-4 Express Installation, Service, and User Guide
Notices
This information was developed for products and services offered in the USA.
IBM may not offer the products, services, or features discussed in this document inother countries. Consult your local IBM representative for information on theproducts and services currently available in your area. Any reference to an IBMproduct, program, or service is not intended to state or imply that only that IBMproduct, program, or service may be used. Any functionally equivalent product,program, or service that does not infringe on any IBM intellectual property rightmay be used instead. However, it is the user's responsibility to evaluate and verifythe operation of any non-IBM product, program, or service.
IBM may have patents or pending patent applications covering subject matterdescribed in this document. The furnishing of this document does not give youany license to these patents. You can send license inquiries, in writing to:
IBM Director of LicensingIBM CorporationNorth Castle DriveArmonk, N.Y. 10504-1785U.S.A.
For additional information, visit the web at:http://www.ibm.com/ibm/licensing/contact/
The following paragraph does not apply to the United Kingdom or any othercountry where such provisions are inconsistent with local law:INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THISPUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHEREXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIEDWARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY OR FITNESSFOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express orimplied warranties in certain transactions, therefore, this statement may not applyto you.
This information could include technical inaccuracies or typographical errors.Changes are periodically made to the information herein; these changes will beincorporated in new editions of the publication. IBM may make improvementsand/or changes in the product(s) and/or the program(s) described in thispublication at any time without notice.
Any references in this information to non-IBM web sites are provided forconvenience only and do not in any manner serve as an endorsement of those websites. The materials at those web sites are not part of the materials for this IBMproduct and use of those web sites is at your own risk.
IBM may use or distribute any of the information you supply in any way itbelieves appropriate without incurring any obligation to you.
Any performance data contained herein was determined in a controlledenvironment. Therefore, the results obtained in other operating environments mayvary significantly. Some measurements may have been made on development-level
© Copyright IBM Corp. 2008, 2010 39
systems and there is no guarantee that these measurements will be the same ongenerally available systems. Furthermore, some measurement may have beenestimated through extrapolation. Actual results may vary. Users of this documentshould verify the applicable data for their specific environment.
Information concerning non-IBM products was obtained from the suppliers ofthose products, their published announcements or other publicly available sources.IBM has not tested those products and cannot confirm the accuracy ofperformance, compatibility or any other claims related to non-IBM products.Questions on the capabilities of non-IBM products should be addressed to thesuppliers of those products.
If you are viewing this information in softcopy, the photographs and colorillustrations may not appear.
40 SAN24B-4 Express Installation, Service, and User Guide
TrademarksIBM, the IBM logo, and ibm.com® are trademarks or registered trademarks ofInternational Business Machines Corporation in the United States, other countries,or both. A complete and current list of other IBM trademarks is available on theWeb at http://www.ibm.com/legal/copytrade.shtml
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Other product and service names might be trademarks of IBM or other companies.
Notices 41
Electronic emission noticesThe following statements apply to this product. The statements for other productsintended for use with this product will appear in their accompanying manuals.
Federal Communications Commission (FCC) Class AStatement
This equipment has been tested and complies with the limits for a Class A digitaldevice, pursuant to Part 15 of the FCC Rules. These limits are designed to providereasonable protection against harmful interference when the equipment is operatedin a commercial environment. This equipment generates, uses, and can radiateradio frequency energy and, if not installed and used in accordance with theinstruction manual, may cause harmful interference to radio communications.Operation of this equipment in a residential area is likely to cause harmfulinterference, in which case the user will be required to correct the interference athis own expense.
Properly shielded and grounded cables and connectors must be used in order tomeet FCC emission limits. IBM is not responsible for any radio or televisioninterference caused by using other than recommended cables and connectors or byunauthorized changes or modifications to this equipment. Unauthorized changesor modifications could void the user's authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to thefollowing two conditions: (1) this device may not cause harmful interference, and(2) this device must accept any interference received, including interference thatmay cause undesired operation.
Industry Canada Class A Emission Compliance StatementThis Class A digital apparatus complies with Canadian ICES-003.
Avis de conformité à la réglementation d'Industrie CanadaCet appareil numérique de la classe A est conform à la norme NMB-003 duCanada.
European Union EMC Directive Conformance StatementThis product is in conformity with the protection requirements of EU CouncilDirective 2004/108/EC on the approximation of the laws of the Member Statesrelating to electromagnetic compatibility. IBM cannot accept responsibility for anyfailure to satisfy the protection requirements resulting from a non-recommendedmodification of the product, including the fitting of non-IBM option cards.
Attention: This is an EN55022 Class A product. In a domestic environment thisproduct may cause radio interference in which case the user may be required totake adequate measures.
Responsible manufacturer:International Business Machines Corp.New Orchard RoadArmonk, New York 10504Tel: 919-499-1900
European community contact:IBM Technical Regulations, Department M456
42 SAN24B-4 Express Installation, Service, and User Guide
IBM-Allee 1, 71137 Ehningen, GermanyTel: +49 7032 15-2937E-mail: [email protected]
Germany Electromagnetic Compatibility DirectiveDeutschsprachiger EU Hinweis:
Hinweis für Geräte der Klasse A EU-Richtlinie zur ElektromagnetischenVerträglichkeit
Dieses Produkt entspricht den Schutzanforderungen der EU-Richtlinie2004/108/EG zur Angleichung der Rechtsvorschriften über die elektromagnetischeVerträglichkeit in den EU-Mitgliedsstaaten und hält die Grenzwerte der EN 55022Klasse A ein.
Um dieses sicherzustellen, sind die Geräte wie in den Handbüchern beschrieben zuinstallieren und zu betreiben. Des Weiteren dürfen auch nur von der IBMempfohlene Kabel angeschlossen werden. IBM übernimmt keine Verantwortung fürdie Einhaltung der Schutzanforderungen, wenn das Produkt ohne Zustimmung derIBM verändert bzw. wenn Erweiterungskomponenten von Fremdherstellern ohneEmpfehlung der IBM gesteckt/eingebaut werden.
EN 55022 Klasse A Geräte müssen mit folgendem Warnhinweis versehen werden:"Warnung: Dieses ist eine Einrichtung der Klasse A. Diese Einrichtung kann imWohnbereich Funk-Störungen verursachen; in diesem Fall kann vom Betreiberverlangt werden, angemessene Maßnahmen zu ergreifen und dafüraufzukommen."
Deutschland: Einhaltung des Gesetzes über die elektromagnetischeVerträglichkeit von Geräten
Dieses Produkt entspricht dem "Gesetz über die elektromagnetische Verträglichkeitvon Geräten (EMVG)". Dies ist die Umsetzung der EU-Richtlinie 2004/108/EG inder Bundesrepublik Deutschland.
Zulassungsbescheinigung laut dem Deutschen Gesetz über dieelektromagnetische Verträglichkeit von Geräten (EMVG) (bzw. der EMC EGRichtlinie 2004/108/EG) für Geräte der Klasse A
Dieses Gerät ist berechtigt, in Übereinstimmung mit dem Deutschen EMVG dasEG-Konformitätszeichen - CE - zu führen.
Verantwortlich für die Einhaltung der EMV Vorschriften ist der Hersteller:International Business Machines Corp.New Orchard RoadArmonk, New York 10504Tel: 919-499-1900
Der verantwortliche Ansprechpartner des Herstellers in der EU ist:IBM DeutschlandTechnical Regulations, Department M456IBM-Allee 1, 71137 Ehningen, GermanyTel: +49 7032 15-2937E-mail: [email protected]
Notices 43
Generelle Informationen:
Das Gerät erfüllt die Schutzanforderungen nach EN 55024 und EN 55022 KlasseA.
People's Republic of China Class A Electronic EmissionStatement
Japan VCCI Council Class A Statement
Translation: This is a Class A product based on the standard of the VCCI Council.If this equipment is used in a domestic environment, radio interference may occur,in which case, the user may be required to take corrective actions.
44 SAN24B-4 Express Installation, Service, and User Guide
Japan Electronics and Information Technology IndustriesAssociation (JEITA) Statement
Japanese Electronics and Information Technology Industries Association (JEITA)Confirmed Harmonics Guideline (products less than or equal to 20 A per phase).
Korea Communications Commission (KCC) StatementPlease note that this equipment has obtained EMC registration for commercial use.In the event that it has been mistakenly sold or purchased, please exchange it forequipment certified for home use.
Russia Electromagnetic Interference (EMI) Class A Statement
Australia and New Zealand Class A StatementAttention: This is a Class A product. In a domestic environment this productmight cause radio interference in which case the user might be required to takeadequate measures.
Notices 45
46 SAN24B-4 Express Installation, Service, and User Guide
Index
AAbout this document xiiiaccessibility
IBM commitment ivkeyboard navigation ivvendor software iv
addressIBM v
air flowrequirements 33
altituderequirements 33
attention noticedefinition xixexample xix
attention notices xix
Bboot
specifications 25Boot steps 25Brocade
documents xiiiBrocade documents xiii
Ccabinet
considerations 8installation 9requirements 8, 34
cable managementrecommendations 15
caution notices xviidefinition xviiexamples xviii
CLImanagement 30
command line interface (CLI)management 30
comments, sending to IBM ivconfigurations
fabric 3supported 3
configuringswitch 7, 16
connectivitysupported 2
considerationscabinet 8electrical 8environmental 8rack 8
creating a serial connection 17
Ddanger notices xv
definitions xvexamples xv
datesetting 18
defaultpassword 17
diagnostictests 30
director of licensing, address 39disposal xxiidocumentation xiiidocuments
Brocade xiii
Eedition notice iiEFCM
management 30electrical
considerations 8requirements 8, 34
electrical requirements 8electronic emission notices 42environmental
considerations 8notices xxiiproduct recycling and disposal xxiirequirements 8, 33
environmental notices xivenvironmental requirements 33Ethernet port
LED patterns 25Ethernet status
LED 21EZSwitch setup
installation 16
Ffabric
configurations 3Fabric Manager
management 30facility requirements 34features
1U chassis 1auto-sensing Fibre Channel ports 1built-in fans 1built-in power supply 1Dynamic Path Selection (DPS) 1Ethernet port 1EZSwitchSetup wizard 1Inter-Switch-Link trunking 1LEDs 1NPIV access gateway 1optional 4RJ45 Ethernet management port 1
features (continued)USB port 1
fiber cabletesting 29
Fibre Channel portspecifications 36
field replaceable unit (FRU) 26FRUs 26
Ggeneral specifications 35getting help iii
Hhelp iiihumidity
requirements 33
IIBM
accessibility commitment ivaddress vinteroperability matrix 37notices 39trademarks 41
in-band support 30installation
EZSwitch setup 16slide-rail
instructions 10switch
instructions 10installing
electrical requirements 8facility requirements 34SFP 26slide-rail rack 8, 9stand-alone switch 9stand-alone unit 8, 9switch 7
installing the switch 8instructions
installation 10intellectual property 39interpreting LED activity 21Interpreting POST results 26Interswitch Link (ISL) 3IP address
setting 17static 17using DHCP 17
ISLtrunking groups 3
items included 7
© Copyright IBM Corp. 2008, 2010 47
Kkeyboard navigation iv
Llabels, safety xixLED
activity 21descriptions 2Ethernet status 21interpretation 21locations 2, 22patterns 23system power 21system status 21types 21
LED patternsEthernet port 25port status 23power status 23system status 23
licenseagreement iv
license, for patents 39local time
synchronizing 19using NTP 19
Mmaintaining
switch 26maintenance
switch 26management
CLI 30EFCM 30Fabric Manager 30in-band 30Management Server 30SNMP 30Web Tools 30
management features 30Management Server
management 30managing
cables 15memory 35
Nnetwork time protocol (NTP)
time synchronization 19nonport side
switch 3notice, edition iinotices
attention xixcaution xviidanger xvenvironmental xiv, xxiigeneral 39IBM 39patents 39safety xiv
notices (continued)types xv
notices ,danger xvnotices and labels
safety xivNTP
time synchronization 19
Pparts supplied with switch rack-mount
kit 11password
default 17patents 39physical dimensions 33port
activation 3descriptions 2Ethernet 2Fibre Channel 2locations 2system console 2testing 29USB 2
port sideLEDs 22switch 2
port statusLED 21LED patterns 23
POSTinterpreting results 26specifications 25
POST and boot specifications 25POST steps 25power
consumption 36switch 16
power statusLED patterns 23
power supplyBTU rating 36inlet connector 36input line frequency 36input voltage 36inrush current 36maximum output 36specifications 36
productdocumentation xiii
product specifications 33data transmission ranges 36environmental requirements 33Fibre Channel ports 36
Qqualified
SFPs 26
Rrack
considerations 8requirements 8
rack (continued)safety xx
rack mount kit 11rack relocation
safety xxirack safety xxread this first iiirecycling xxiiremoving
SFP 28requirements
air flow 33altitude 33cabinet 34cacbinet 8electrical 8, 34environmental 8, 33humidity 33rack 8shock 33temperature 33thermal 34vibration 33
resultsPOST 26
Ssafety xiv
considerations 8labels xiv, xix
examples xixnotices xivrack xxrack installation xxrack relocation xxi
safety labels xixsafety notices xivserial connection
creating 17UNIX 17Windows 17
serial portspecifications 36
settingdate 18IP address 17time 18time zones 18
setting the IP address 17SFP
bail 26, 28FRUs 26installing 26removing 28supported 37supported types 26testing 29
shockrequirements 33
SNMPmanagement 30
specificationsboot 25data transmission ranges 36Fibre Channel ports 36general 35
48 SAN24B-4 Express Installation, Service, and User Guide
specifications (continued)memory 35physical dimensions 33POST 25power supply 36product 33serial port 36system 35weight 33
stand-aloneswitch 9
installing 9static IP address
setting 17supported
SFPs 26supported (optional) features 4supported connectivity 2switch
airflow 3cabinet 9configuring 7, 16features 1
See featuresFRU units 26installing 7, 9introduction 1items included 7library xiiimaintaining 26maintenance 26management features 30memory 35nonport side 3parts supplied with the rack-mount
kit 11physical dimensions 33port side 2power 16powering on and off 21product specifications
See product specificationsspecifications 35stand-alone 9weight 33
synchronizinglocal time 19
system powerLED 21
system specifications 35system status
LED 21LED patterns 23
Ttemperature
requirements 33terminal emulator applications 17testing
fiber cable 29port 29SFP 29
testsdiagnostic 30
thermalrequirements 34
timesetting 18
time zonessetting 18
trademarks 41trunking groups
ISL 3
Vvendor software ivvibration
requirements 33
WWeb sites iiiWeb Tools
management 30weight 33
Index 49
50 SAN24B-4 Express Installation, Service, and User Guide
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