Tandberg Data DPS Expansion Module Disk Pack Specifikace stáhnout pdf (Strana 42)

36 | Troubleshooting

Drive failed to start

The drives in the enclosure should automatically start their motors. If this has not occurred,

one of the following conditions may exist:

• There may be a power problem. If this is the case, an alarm and Power Fault LED

indication would normally be active.

• If there is only one power supply module present, the drive motors will spin up in a

delayed sequence.

Drive failed

When a drive fails, both the green and amber lights are lit on a drive carrier. In the web

interface, the problem drive has a Failed status and the other drives in the array have a

Critical status. Use the following procedures to replace the failed drive.

Replacing failed drives with hot spares

When a drive fails and hot spares are configured, DPS Expansion Module automatically

selects a hot spare to replace the failed drive. After the hot spare has finished rebuilding into

the array with the failed drive, it is recommended that you physically replace the failed drive

with the hot spare drive to improve performance.

To replace the failed drive

1. After the hot spare has finished rebuilding into the array with the failed drive,

temporarily remove all other hot spares from the enclosure. Refer to Removing drive

carrier modules on page 8.

2. Remove the failed drive. Refer to Removing drive carrier modules on page 8.

3. Move the former hot spare that is now part of the array into the failed drive’s slot. Refer to

Removing drive carrier modules on page 8 and Installing drive carrier modules on page

18.

The web interface shows that the array status is Critical and the moved drive state is

Failed.

4. In the web interface, click the new Failed disk.

5. In the Drive Information dialog box, click Rebuild Array.

6. In the confirmation dialog box about using a Failed drive, click OK.

7. In the web interface, verify that the drive status is Rebuilding.

8. Reinstall the other hot spare drive carrier modules. Refer to Installing drive carrier

modules on page 18.

Note

It may take up to five hours to rebuild the array.

Replacing failed drives with replacement drives

When a drive fails and no hot spare is available, contact Technical Support for information

about replacing the drive. When you have a drive available, use the following steps to replace

the failed drive.

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Tandberg Data DPS Expansion Module Disk Pack Specifikace Strana 42