Administrator Guide

Restore a Disk
After a disk fails, Storage Center does not allow that disk to be managed again. If the disk is down for testing purposes then
deleted, the disk can be restored so that Storage Center can manage the disk again.
Prerequisites
The disk must be down, removed from the enclosure, and deleted from Storage Center.
Steps
1. If you are connected to a Data Collector, select a Storage Center from the drop-down list in the left navigation pane of
Unisphere Central.
2. From the
SYSTEM menu, click Hardware.
The Hardware view is displayed.
3. Click the System tab.
4. In the System tab navigation pane, expand the Storage Center and select Disks.
The Disks view is displayed.
5. In the disks table, select the disk and click Restore Disk.
The Restore Disks dialog box opens.
6. Click Yes.
Storage Center restores the disk and adds it to a disk folder.
Replace a Failed Disk
The Replace Disk dialog box identifies the disk to replace and provides steps for replacing the disk.
Prerequisites
The status of the disk must be Down to be replaced.
Steps
1. If you are connected to a Data Collector, select a Storage Center from the drop-down list in the left navigation pane of
Unisphere Central.
2. From the
SYSTEM menu, click Hardware.
The Hardware view is displayed.
3. Click the System tab.
4. In the System tab navigation pane, expand the Storage Center and select Disks.
The Disks view is displayed.
5. In the disks table, select the failed disk and click Replace Disk.
The Replace Disk wizard opens.
6. Locate the failed disk in the enclosure.
7. Follow the instructions to physically remove the failed disk from the enclosure.
8. Follow the instructions to insert the replacement disk into the enclosure.
9. Click OK.
Storage Center attempts to recognize the replacement disk.
If the disk replacement succeeds, Storage Center confirms that the disk replacement occurred successfully and displays
information about the replacement disk.
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Storage Center Maintenance