Dell PowerVault 775N (Rackmount NAS Appliance) - Manual (Page 47)

Unassign Global Hot Spare
The Unassign Global Hot Spare command unassigns the hot-spare disk. To unassign the hot-spare disk, perform the
following steps:
1. Right-click the disk that is assigned as a hot spare.
2. Click Unassign Global Hot Spare.
3. Confirm the successful completion of the operation by checking the properties displayed in the right pane.
The status of the array disk must be Ready and the type must be Array Disk.
Online Array Disk
You can only set to Online an array disk that is part of a virtual disk that has been set to Offline.
1. Right-click the disk that you want to set to Online.
2. Click Online.
In the right pane, the status of the disk is changed from Offline to Online.
Offline Array Disk
You can only set to Offline an array disk that is part of a virtual disk that has been set to Online.
1. Right-click the disk that you want to set to Offline.
2. Click Offline.
A confirmation dialog box appears.
3. Click OK to continue.
In the right pane, the status of the disk will be changed from Online to Failed.
Prepare to Remove
Use this procedure to prepare for removing an array disk from a PERC 3/DC or PERC 3/QC controller.
NOTICE: To prevent data loss, Dell recommends that you perform this operation before you remove any physical disk
from an enclosure.
1. Right-click the disk that you want to remove.
2. Click Prepare to Remove, and then click OK to continue.
When the lights on the disk you have prepared to remove stop blinking, the disk is ready to be physically removed. The
disk will not be listed in the array group.
Properties
Use this command to display the array disk properties.