7/31/2019 Disk Fault_troubleshooting_flowchart for CX

1/2

Remove the front bezel and check for an

amber LED on the disk module that

Navisphere Manager indicates has a fault.

Yes

No

Is the Fault LED

lit (amber) on the disk module

that Navisphere Managerindicates has a fault?

Disk FaultCX and CX3 Series

The following can cause a disk fault:

- disk module is not properly seated

- incorrect type of disk module

- defective disk module

Check all LEDs for a fault

indication on another device.

If other faults exist, attempt to solvethem as described in the applicable

troubleshooting trees.

A

In Navisphere Manager, you can find the source of an alarm using either

method as follows:

1 Right-click the storage system with the fault indication and select

Faults.

2 The Fault Status Report identifies the type of fault and identifies the

faulted device. Note the fault and the device with the fault; you willuse this information to locate the faulted device in the storage

system and you will verify that the devices fault LED is lit (amber).

or

1 Find the storage system with the alarm indication and click it with theleft mouse button to expand it.

2 Select and expand the icons that indicate an alarm until you reachthe device that is the source of the alarm.

3 Right-click the device and select Properties.

4 The Fault Status Report identifies the type of fault and identifies thefaulted device. Note the fault and the device with the fault; you willuse this information to locate the faulted device in the storagesystem and you will verify that the devices fault LED is lit (amber).

NOTE: The error messages might include:

- Enclosure contains illegal combination of drive types

- Enclosure type does not match RAID Group type

Navisphere Manager indicates a Disk fault.

Is a single disk faulted or aremultiple (2+) disks faulted?

Multiple Disks Faulted

Single Disk Faulted

Contact your service provider.

7/31/2019 Disk Fault_troubleshooting_flowchart for CX

2/2

Disk FaultCX and CX3 Series (continued)

Verify that the correct type of disk is installed.

You may need to replace the disk module. To determine if you need to replace the disk module, you will need

to download and run the Disk Replacement Utility (DRU) as described below. If you need to replace a disk

module, you will use the DRU to assist in installing the replacement disk module. The DRU contains checks

and steps to help you troubleshoot, obtain, replace, and return disk modules. Proceed as follows to test thedisk modules and, if needed, to replace a disk module:

1. Download the latest version of the DRU from the EMC support website: http://Powerlink.EMC.com

2. Install the DRU as instructed.3. Run the DRU to determine if a disk module needs to be replaced.

Is the correct type of disk

module installed?

Yes

No

A

Does the DRU indicate that the

disk needs to be replaced?

Do you have a spare disk toinstall?

Yes

Contact your service provider to obtaina replacement disk.

Install the replacement disk module as follows:

1. Run the DRU.

2. Replace the defective disk module as instructed by the DRU.3. Run the DRU again to verify that the problem is solved.

NOTE: Replacing a defective disk module with a working disk module automaticallyclears any related chassis alarm indications and the Navisphere Manager error

indications.

No

Done

Yes

Is the problem solved?Yes No Contact your service provider.

No Contact your service provider.

Contact your service provider to

obtain the correct disk.