XIV Doc

IBM Systems and TechnologySystem Storage

Product Datasheet

IBM XIV Storage System seriesStorage reinvented: Powerful and easy storage forenterprise applications

Highlights● A revolutionary, proven high-end disk

storage system designed for data growth

and unmatched ease of use

● Consistent high performance without

hotspots for all workloads enabled

through massive parallelism and

self-tuning

● High reliability and availability via full

redundancy, self-healing and unprece-

dented rebuild speed

● Low TCO enabled by high density stor-

age, advanced functionality at no extra

charge and low-touch management

● Virtualized storage for optimizing virtual

environments and cloud services

The IBM® XIV® Storage System is a proven, high-end disk storageseries designed by listening to customers and addressing their storagechallenges across the broadest spectrum of business applications. TheXIV series offers highly affordable storage suitable for even the mostdemanding workloads, providing tier 1 consistent high performance andhigh reliability, at tier 2 costs. Never compromising performance for reli-ability, the XIV grid architecture deploys massive parallelism to allocatesystem resources evenly at all times and scale seamlessly, without the needfor complex, time-consuming tuning and configuration. A recognizedindustry leader in enterprise storage manageability, the XIV system sets anew standard for ease of use by automating most tasks and providing anamazingly intuitive user interface. Its grid architecture enables perform-ance to grow with capacity and integrates seamlessly with cloud technolo-gies for even greater agility in accommodating growth.

The XIV Storage System has met with rapid market acceptance and success, with more than four thousand installations in diverse industriesworldwide, including financial services, healthcare, energy, education andmanufacturing. The XIV series supports a wide range of workload needs,from capacity-hungry to ultra-high-performance. It integrates easily withvirtualization, email, database, analytics and data protection solutionsfrom Microsoft, IBM, SAP, Oracle, SAS, VMware, Hyper-V, Symantecand other leading applications. The XIV series plays a key role in IBM’send-to-end dynamic infrastructure solutions, integrating seamlessly with IBM ProtecTIER®, SONAS, SAN Volume Controller, Storwize®

V7000 and Tivoli® products. Customers also benefit from industry-leading IBM 24×7 global support and service.

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IBM Systems and Technology Product DatasheetSystem Storage

The IBM XIV Storage System series offers several models, allbased on the same proven XIV architecture and the same sim-ple, cost-effective pricing approach of all functionality providedwith the system software at no extra charge.

● IBM XIV Storage System Gen3 model: Features state-of-the-art hardware components that can do more,faster than ever before. Its InfiniBand backplane offers massive throughput and low latency, and combines with powerful CPUs, additional RAM and a state-of-the-art motherboard to meet the most demanding application needs;eight Gbps Fibre Channel ports offer huge bandwidth in support of very high-speed data transfer. XIV Gen3 helpsmeet extremely demanding performance requirements,including ever-changing virtualized and cloud environments.Offered with 2 TB drives, this model is designed to meethigh-end performance objectives for complex application scenarios involving business intelligence, archiving, data ware-housing, streaming backup, large numbers of mailboxes, and heavy virtualized server application loads, as well asdemanding ProtecTIER setups and online transaction pro-cessing (OLTP). An expansion option for use of solid-statedrives as intermediate cache offers even more future performance power.

● IBM XIV Storage System second-generation model: Hasproven success handling a mix of diverse workloads. It is apowerful storage option suitable for most application needs,with excellent price-to-performance advantages. This modelis offered with: 1 TB drives for smaller entry capacity andworkloads for which performance takes priority over capacity;2 TB drives for higher capacity needs at even lower costs per terabyte.

Why storage architecture matters

As the planet becomes smarter—more instrumented,

interconnected and intelligent—businesses are transforming their

IT organizations to harness and leverage their data. Data storage is

the foundation of such an enabling infrastructure.

Traditional high-end storage systems typically have complex and

inflexible architectures that, even with incremental enhancements,

often compromise performance for reliability. In today’s world, an

architecture that combines performance with reliability is a neces-

sity for coping with nonlinear data growth. The XIV Storage System

was developed—and continues to evolve—in direct response to

customer requirements for a simple-to-manage, flexible, powerful,

highly available system that meets all application needs and is

capable of growing easily over time.

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Consistent high performance withoutmanual tuningDriving the unique performance benefits of the XIV StorageSystem series is its massively parallel grid architecture, whichdelivers hotspot-free, consistent, predictable high performanceto all applications at all times—with no need for manual tuning.This same high level of service is maintained even during peakload periods, as well as during recovery from disk failures andduring management or maintenance activities. The XIV seriesdesign provides performance optimization that enables ultimateuse of system resources, optimal workload distribution across all system drives and the freedom to use advanced functionswithout adversely affecting application performance.

Several architectural features contribute to the XIV system’sunique performance profile:

● Massive parallelism in a fully distributed architecture:The XIV Storage System is based on a distributed architec-ture of interconnected modules, each with its own multicoreCPU, large cache and high-density disk drives working inparallel to efficiently serve data to client applications. Everydata volume is randomly spread across all modules and disksin the system, and the aggregate power of the entire system iscontinually available to every application. The XIV systempresents this collection of disks as a single large, elastic datastore on the storage network. The modules communicatewith each other over an internal network based on InfiniBand(XIV Gen3 systems) or Ethernet (XIV second generationmodels).

● Distributed data: The system stores data by breaking itdown into 1 megabyte chunks called partitions, each mirroredfor redundancy to another module. The system distributes all the partitions automatically and uniformly across all thedisks by means of a sophisticated pseudo-random distributionalgorithm.

● Distributed cache: A flexible and powerful cache implemen-tation allows the XIV system to leverage large slots for readswhile managing a smaller slot size, resulting in a superiorcache hit ratio and, consequently, better performance.

● Distributed bandwidth within modules: Aggressiveprefetching is enabled by the large cache-to-disk bandwidthavailable within each module, together with the extremelylarge aggregate module interconnectivity bandwidth that isavailable on the XIV backplane.

● Smart scaling: Any increase in capacity—the addition of diskmodules—is accompanied by a corresponding increase inprocessing power, cache and connectivity, maintaining thehigh performance level as the system scales.

● Load balancing: The system distributes the application load across all system modules uniformly, putting the aggre-gate power of all modules at the service of all requests con-currently. By doing so, it can avoid the performance andreliability risks that can plague traditional clustered controllerdesigns.

All-in-one view of XIV system metrics for in-depth performance analysis

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15 data modules, each containing:12 high-density SAS disk drives24 GB memoryQuad-core Intel CPU2 x 20 Gbps InfiniBand HCA ports

Host connectivity:24 x 8 Gbps FC ports22 x 1 Gbps iSCSI ports

2 InfiniBand switches:Redundant inter-module connectivity600 Gbps total internal bandwidth

3 UPS modules:

Data Module

Data Module

Data Module

Data Module

Host

Host

Host

Cache

Interface

CPU UPS UPS UPS

Disks

iSCSI

FC

Stable power to all system componentsSafe shutdown upon power outage

Inter-moduleconnectivity

IBM XIV Storage System Gen3—components and connectivity

● Hotspot free: Changes to the application or its I/O patterndo not affect system performance; as workloads change andevolve, the system always remains hotspot free.

● Configuration change: Each volume is evenly distributedacross all modules and disk drives within the system. The datadistribution is adjusted automatically whenever the number offunctional disks or modules changes, ensuring optimal datalayout and, consequently, optimal use of system resources atall times.

● High bandwidth within and between modules: The XIVsystem exploits the enormous system bandwidth of Intelprocessor architecture to achieve high performance. Eachmodule has extremely large CPU-to-memory and disk-to-memory bandwidth. XIV modules communicate with each other over an internal, redundant network with massivebandwidth (InfiniBand for XIV Gen3 models; 1 GbpsEthernet for second-generation XIV models) and supportrapid rebuilding when necessary.

● Huge processing resources: Each module is equipped withits own multicore processor, putting dozens of CPU cores atthe disposal of the rack. The XIV system uses this vast pro-cessing power to execute advanced caching algorithms thatsupport small cache slots, ensuring high performance throughhigher cache hit rates and through the use of advanced features such as snapshots and mirroring.

● High performance even during disk rebuild: XIV rebuildsa disk at unprecedented speed, due to a distributed rebuildmechanism that engages all disks in the system in the rebuild process, minimizing the impact on overall system performance and enabling the system to maintain its highperformance levels. Performance remains consistent and pre-dictable even in the event of a hardware component failure.

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High reliability and availabilityThe XIV series is designed to operate continuously over itsinstalled lifetime with no interruption to data access. The highlyparallel grid architecture and distributed rebuild mechanismprovide outstanding reliability, reducing failures and unplanneddowntime. The system provides built-in system reliability athardware and software levels, including UPS protection for alldisk, cache and electronics; redundant power supply and fans;partition mirroring; and proactive error detection and healing.Specific design features help further reduce risk:

● Active-active N+1 redundancy: All key system components—disks, modules, switches, host connectivity and UPS units—are fully redundant and protected throughactive-active N+1 redundancy. Each component is hot-swappable—replaceable without system shutdown.

● Exceptional rebuild speed: The system can complete a diskrebuild in under 60 minutes (2 TB drive, with the system at100 percent utilization), with minimal impact on system service, due to several factors:– All system disks engage in the rebuild, keeping the burden

on any one disk to a minimum.– Only the data actually written is rebuilt, making rebuild

time proportional to capacity utilization. For example, for asystem at 50 percent utilization, a failed 2 TB drive takesless than 30 minutes to rebuild and the system will self-healback to N+1 redundancy.

● Proactive self-healing and system health: The systemmonitors its components continuously, reacting to existingand potential issues by activating self-healing as needed andreturning to full redundancy rapidly and without humanintervention. As part of this proactive approach, the system:– Uses disk-resident diagnostics to predict potential

disk failure– Accesses all disk drives and all disk areas to assess

health status

– Increases protection levels by retiring suspect disks beforethey fail and rebuilding their data while a redundant ver-sion is still available

● Smart maintenance and hot upgrades: XIV storage sup-ports live maintenance, avoiding the need for planned down-time. Maintenance of disks and modules is performed whendata is at full redundancy, avoiding risk introduced by humanerror. The system also supports nondisruptive upgrades of thesystem software (microcode), allowing application services tocontinue uninterrupted.

● Backup and recovery: The system can integrate with anybackup and recovery software through host-based APIs. TheXIV system supports Microsoft VSS technology for seamlessbackup and recovery of Windows platforms. Integration withIBM Tivoli Storage FlashCopy Manager allows creation offast application-aware backups and restores by combiningXIV snapshots and advanced snapshot management on plat-forms that Tivoli Storage FlashCopy® Manager supports.

● Business continuity: The system is specifically engineeredfor business continuity. The XIV synchronous and asynchro-nous replication, clustering and restoration capabilities facili-tate the implementation of a highly resilient IT infrastructurethat can survive the failure of an entire data center withoutjeopardizing data access.

Revolutionary ease of managementThe IBM XIV Storage System is a fully virtualized systemdesigned to eliminate the need for performance tuning andnumerous other storage management activities. Its highly intu-itive graphical user interface (GUI) and built-in managementtools make administrative tasks easy and efficient, with littletraining or expertise required, from provisioning volumes tomonitoring multiple systems. A powerful command line inter-face (CLI) supports complex scripting. The unified consoleenables one-stop centralized administration of multiple XIV units.

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Intuitive 3D system screen for monitoring the health of storage components

Comprehensive XIV view of capacity utilization across system pools

Seamless linear scalabilityDesigned for easy growth, the XIV architecture scales in every aspect—capacity, cache size, processing power and hostconnectivity—enabling the seamless addition of capacity. Whena new module is added, the XIV redistribution mechanism integrates the new disk space automatically, without administra-tion intervention. Most of the complex operations, includingcaching and snapshot management, are contained within eachmodule, allowing for perfect linear scalability with near-zeroperformance impact. The XIV system supports configurationsof six to 15 modules.

● Processing power, cache, host interfaces and bandwidth:With these key components embedded in every module, the system is able to scale proportionally in capacity andresources, continuing to provide consistent high performanceand keep pace with the growing number and scope of applica-tions supported and total throughput as capacity scales.

● Internal switching capacity: Designed to support a fullyloaded rack, the internal switching capacity is unchangedregardless of system size, avoiding bottlenecks and ensuringthat throughput grows proportionally to capacity.

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Centralized management of up to 64 XIV systems, with the ability to define

groups

Low total cost of ownershipThe XIV Storage series is designed to be cost-efficient in allaspects.

● Simplicity can save money: Provisioning involves simply sizing the requested containers. LUN mapping is drag anddrop. Snapshots and test environments are created in seconds.By reducing complexity, the system minimizes the ITresources required to manage storage, freeing individuals for other tasks.

● High reliability helps avoid downtime costs: In traditionalsystems, most storage outages are caused by human error,exacerbated by the system’s complexity. The XIV designreduces the risk of both outages and human error.

● All-included functions at no extra charge: All XIV func-tionality is provided with the system software, at no extracharge, and is available for use at any time.

● More capacity per floor tile helps reduce costs: The sys-tems use of very high density drives maximizes physical spaceper floor tile with 161 TB usable capacity for 2 TB configura-tions and 79 TB usable capacity for 1 TB configurations.High-density storage helps reduce power, space and coolingexpenses

Advanced features at no extra chargeThe XIV Storage System empowers users with enterprise-classfunctions included with the system software:

● Snapshots: Thousands of space-efficient snapshots—create,restore, writable and “snap on snap”—are supported with vir-tually no impact on performance. Multiple point-in-timecopies of application data support development, prototyping,backup or other activities without the capacity penalty of fullvolume copies or performance penalty of copy-on-write.

● Replication and disaster recovery: The system providesease of configuration and operation of synchronous and asyn-chronous mirroring and other business continuity capabilities.It allows mirroring of different volumes to different systemsand maintains a comprehensive event reporting and statisticscollection for troubleshooting and performance analysis.

● Consistency groups: Volumes are logically grouped to facili-tate application-centric operations including snapshots andmirroring of all volumes in a consistency group.

● Thin provisioning: The system presents a fully sized LUNto the hosts while allocating only the necessary capacity.Thin-provisioned capacity can be managed via storage pools,minimizing the risk of running out of physical space.

● Data migration: Rapid, automated migration of data fromany non-XIV system to the XIV system is supported. Themigration is performed in the background while applicationscontinue to operate.

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Complete, intuitive XIV display of mirroring status

● Centralized administration: Multiple XIV systems can bemanaged simply and centrally.

● Reporting: The system can capture and store one year ofperformance and statistics data, specified by date and time, forvisualization and reporting.

● Hot upgrades: Hardware replacements and softwareupgrades can take place nondisruptively.

● Host attachment kits (HAKs): XIV HAKs provide a platform-native, multipath solution that makes connectivitysetup easy, ensures best-practices configuration and provideshost-storage troubleshooting and support tools. HAKs areprovided for IBM AIX®, Microsoft Windows, Linux, Solaris,HP-UX, SLES, and RedHat.

● Quality of service (QoS): The system allows greater controlover the priority of performance given to applications con-nected to the system to ensure resource allocations thataddress particular business needs.

● Security: XIV storage integrates with Active Directory andLDAP servers for centralized management of user identityand privileges. It supports role-based access management aswell as auditing by capturing and transmitting events to monitoring systems such as IBM Systems Director and Tivoli Productivity Suite. It uses SSL for network channelencryption.

● Automatic event notification: The system sends alerts ofimminent hardware failure via email, SMS or SNMP trapswith filtering and distribution by severity or type.

Seamless integrations with host platformsThe XIV Storage System offers seamless and cost-efficient inte-gration with leading operating systems and host platforms—atno extra charge:

● Operating systems: The XIV system provides multiplatformsupport for: Windows, AIX, Linux, Solaris, HP-UX, iSeries®ViOS) using via Fibre Channel or iSCSI, depending on XIVmodel and preference, and VMware ESX/ESXi.

● IBM platforms: The system supports a range of platforms,including: Linux, VIOS for IBM POWER® Systems (System i® and System p®), PowerVM™, IBM i/OS V6R1,IBM AIX (including AIX MPIO driver); PowerHA®

(HACMP™).● Integrated storage solutions: The XIV system supports

solutions that deliver network attached storage (NAS) capa-bilities with N-series gateway or SONAS, as well as dedupli-cation archiving with IBM ProtecTIER.

● Concurrent multipath software support: The XIV gridarchitecture provides optimized native concurrent multipathsupport as a function of its optimized high-bandwidth andresilient host-connectivity. On the host side, XIV storage sup-ports native OS multipathing solutions, as well as SymantecVeritas Storage Foundation dynamic multipathing (DMP).

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Enterprise-proven application solutionsThe XIV series supports a broad range of easily implemented,cost-efficient, enterprise-proven solutions. IBM partnershipswith Microsoft, VMware, SAP, Oracle, Symantec and othersoffer outstanding customer value and the highest levels of part-ner support. Easy connectivity is provided through XIV HostAttachment Kits.

● Virtualization and cloud: The XIV grid architecture appliesmassive parallelism to the I/O stream that emanates from adiverse set of applications, making the system particularlywell-suited to virtualized server environments, where numer-ous concurrent and ever-changing workloads exist. The XIVsystem supports Hyper-V and PowerVM, as well as Xen,z/VM®, and VIOS for IBM POWER systems (System i and System p).

● Deeply integrated VMware solutions: As part of the IBM Gold Alliance partnership with VMware, XIV storageprovides controlled delegation of storage provisioning toVMware administrators within the VMware vSphere vCenterclient; improved VMware scalability and performancethrough use of the vStorage API for Array Integration(VAAI); and improved disaster recovery through automatedstorage failover via an XIV Storage Replication Adapter(SRA) for Site Recovery Manager (SRM). XIV developmentteams collaborate with VMware development to provide deep solutions value to customers.

● Business applications: The XIV system delivers consistenthigh performance and exceptionally simple management to allthe leading email, database, ERP and other enterprise applica-tions. It is particularly suited to workloads requiring largesequential I/Os such as large deployments of MicrosoftExchange.

● Extended storage management: The XIV system integrateswith leading storage management products to enable storagemanagement at the global system resources level. It supportscentralized, optimized and automated XIV management andSAN connectivity with IBM Tivoli Storage ProductivityCenter (TPC); monitoring of infrastructure and applicationsusing Microsoft System Center Operations Manager(SCOM); controlled delegation of storage provisioning tonon-storage administrators with IBM Storage consoles forVMware vSphere vCenter and SCOM. It also supports man-aging storage, servers and applications in a heterogeneousenvironment with Symantec Veritas Storage Foundation. TheXIV system supports SMI-S compliant management systemssuch as Microsoft System Center Virtual Machine Manager.

● Data protection and business continuity: XIV storage canprovide automated application-aware, near-instant snapshotswith Tivoli Storage FlashCopy Manager (FCM) and inte-grates with end-to-end backup solutions such as TivoliStorage Manager, Symantec NetBackup and others. XIV sup-ports clustering with Microsoft Clustering (MSCS), HACMPon AIX and other native OS solutions including VeritasCluster Server (VCS). Additionally, XIV storage supportsautomated storage failover with VMware Site RecoveryManager (SRM), Microsoft Failover Clustering (MSCS), and Veritas Cluster Server (VCS). It supports near-instant,application-aware hardware snapshots on any Windows server using the XIV provider for Windows Volume ShadowCopy Service (VSS).

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IBM XIV Storage System series—System specification

General Properties 2nd generation XIV (Model 2810/2812-A14) XIV Gen3 (Model 2810/2812-114)

Disk drives (7,200 RPM) SATA (1 TB or 2 TB) SAS (2 TB)

Number of disk drives (min/max) 72/180 72/180

Performance features

Max number of CPU cores 84 60 (hyperthreaded)

Max memory 120 GB (model with 8 GB of memory per module)

240 GB (model with 16 GB of memory per module)

360 GB (model with 24 GB of memory

per module)

Max cache-to-disk bandwidth 240 Gbps 480 Gbps

Connectivity

Max number of ports—Fibre Channel* 24 (4 Gbps ports) 24 (8 Gbps ports)

Max number of ports—iSCSI over

Gigabit Ethernet

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Physical features

Temperature 10-35ºC 10-35ºC

Altitude (max) 2134 m/7000 ft 2134 m/7000 ft

Humidity 25-80% non-condensing 25-80% non-condensing

Dimensions (height × width × depth) 199.1 × 60 × 114.2 cm 202.5 × 64.8 × 124.3 cm

Maximum weight 884 kg (1949 lb) 1324 kg (2310 lb)

Clearance front / rear 120 / 100 cm 68.6 / 68.6 cm

Redundant power feed √ √

Input voltage 180- 264 V ac at 60 A or 30 A (+/- 10%) 180- 264 V ac at 60 A or 30 A (+/- 10%)

Power usage See Power usage table below See Power usage table below

Host connectivity

Fibre Channel rates 4 Gbps 8 Gbps

iSCSI over 1 Gigabit Ethernet port √ √

Capacity on demand configurations √ √

Warranty 1 and 3 year Limited Warranty, CRU and On-site

service, Same Day 24×7

1 and 3 year Limited Warranty, CRU and On-site

service, Same Day 24×7

* FC ports are capable of auto-negotiation

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IBM XIV Storage System series—By configuration

Number of modules 6 9 10 11 12 13 14 15

Number of disks* 72 108 120 132 144 156 168 180

Usable capacity (TB, decimal), 2nd generation

1 TB drives 27 43 50 54 61 66 73 79

2 TB drives 55 87 102 111 125 134 149 161

Usable capacity (TB, decimal), Gen3

2 TB drives 55 88 102 111 125 134 149 161

Connectivity, FC ports

2nd generation (4 Gbps) 8 16 16 20 20 24 24 24

Gen3 (8 Gbps) 8 16 16 20 20 24 24 24

Connectivity, iSCSI ports

2nd generation (1 Gbps) 0 4 4 6 6 6 6 6

Gen3 (1 Gbps) 6 14 14 18 18 22 22 22

Number of CPUs

2nd generation 9 15 16 17 18 19 20 21

Gen3 6 9 10 11 12 13 14 15

Memory (GB), 2nd generation

8 GB memory per module 48 72 80 88 96 104 112 120


Memory (GB), Gen3


* 2nd generation XIV is provided with 1 TB and 2 TB SATA disk drives; XIV Gen3 is provided with 2 TB SAS disk drives

IBM XIV Storage System series—Power usage

Number of modules Number of disks XIV second generation (1 TB/2 TB) XIV Gen3 (2 TB)

kVA (max) kVA (max) kVA (max) kVA (max)

6 72 3.4/3.1 2.9/2.8 2.7 2.5

9 108 5.0/4.5 4.2/4.0 4.0 3.7

10 120 5.5/4.9 4.7/4.4 4.5 4.1

11 132 6.1/5.4 5.2/4.7 4.9 4.5

12 144 6.7/5.8 5.7/5.1 5.4 5.0

13 156 7.2/6.2 6.2/5.5 5.8 5.4

14 168 7.8/6.6 6.7/5.9 6.3 5.8

15 180 8.4/7.1 7.2/6.2 6.7 6.2

Please Recycle

For more informationTo learn more about the IBM XIV Storage System series, con-tact your IBM representative or IBM Business Partner, or visit:ibm.com/systems/storage/disk/xiv

Additional online resources:● Redbook: XIV Storage System: Host Attachment

and Interoperability

● Redbook: IBM XIV Storage System with the Virtual

I/O Server and IBM i

● IBM System Storage Interoperation Center (SSIC)

● Search for XIV on IBM Techdocs library

Additionally, IBM Global Financing can tailor financing solu-tions to your specific IT needs. For more information on greatrates, flexible payment plans and loans, and asset buyback anddisposal, visit: ibm.com/financing

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Produced in the United States of AmericaJuly 2011All Rights Reserved

IBM, the IBM logo, ibm.com, AIX, FlashCopy, iSeries, POWER,PowerHA, ProtecTIER, Storwize, System i, System p, System Storage,Tivoli, XIV and the XIV logo are trademarks or registered trademarks of International Business Machines Corporation in the United States, other countries, or both. If these and other IBM trademarked terms aremarked on their first occurrence in this information with a trademarksymbol (® or ™), these symbols indicate U.S. registered or common lawtrademarks owned by IBM at the time this information was published. Suchtrademarks may also be registered or common law trademarks in othercountries. A current list of IBM trademarks is available on the web at“Copyright and trademark information” at ibm.com/legal/copytrade.shtml

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