Administrator Guide

Cancel Releasing a Disk
After releasing a disk, the data remains on the disk until the RAID rebalance is complete. Cancel releasing a disk if the RAID rebalance has
not completed and the data is still on the disk. Canceling the release reassigns the disk to the disk folder to which it was previously
assigned.
1 If you are connected to a Data Collector, select a Storage Center from the drop-down list in the left navigation pane.
2 From the SYSTEM menu, select 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 a disk marked for release and click Cancel Release Disk.
The Cancel Release Disks dialog box opens.
6 Click OK.
Delete a Disk
Deleting a disk removes that disk object from Unisphere. Before deleting the disk object, you must release the disk, moving the data o the
disk.
Prerequisites
The disk failed and it does not have any allocated blocks.
The disk was removed from the enclosure.
If the disk was in an enclosure that has been removed, that enclosure object must be deleted rst.
Steps
1 If you are connected to a Data Collector, select a Storage Center from the drop-down list in the left navigation pane.
2 From the SYSTEM menu, select 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 (Delete).
The Delete Disks dialog box opens.
6 Click Yes.
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.
Prerequisite
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.
2 From the SYSTEM menu, select Hardware.
The Hardware view is displayed.
Storage Center Maintenance
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