Tandberg Data DPS Expansion Module Disk Pack Specifikace stáhnout pdf (Strana 39)

Installing and Configuring Additional Enclosures | 33

4. Repeat steps 2 and 3 for each array.

5. Close the Create Logical Drive window after you finish.

Designating hot spares

A hot spare is a failover drive that provides reliability for an array. If one of the drives in the

array fails, DPS Expansion Module automatically replaces the failed drive with a hot spare

and rebuilds the array, which can take up to five hours.

Hot spares are available in sets of six drives. If these drives are shipped separately from the

controller enclosure, you must configure them, designating each drive as a global hot spare.

To designate hot spares

1. On the main page of the DPS Expansion Module web interface, click a drive labeled

Available that you want to designate as a hot spare.

2. In the Drive Information dialog box, click Make Spare.

3. In the drop-down list on the popup window, select Global Spare.

4. Click Create.

5. In the confirmation dialog box, click Close.

6. Repeat steps 1-5 for each of the hot spare drives.

7. In the Drive Information dialog box, click Close.

8. On the main page of the DPS Expansion Module web interface, click Advanced Settings.

9. In the Advanced Settings dialog box, select Auto Spare and click Apply.

10. Click Close to close the Advanced Settings dialog box.

Backing up the configuration

After creating arrays, be sure to make a new backup copy of the configuration file. A backup

enables you to quickly recover from a damaged configuration that was not self-healing and

restore everything to the point in time when the configuration was last saved.

If your configuration becomes corrupt, contact Technical Support for information about

restoring the configuration.

To back up the configuration

1. On the main page of the DPS Expansion Module web interface, click Archive

Configuration.

2. In the Configuration Archival Operations dialog box, click Save.

3. In the Save Configuration Operation dialog box, click Download.

4. Save the file.

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Tandberg Data DPS Expansion Module Disk Pack Specifikace Strana 39