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Advanced Disk and Volume Management Using Array Manager 3-11
Assign Global Hot Spare
A hot spare is an unused backup disk that is part of the array group. Hot spares remain in
standby mode. When an array disk in a virtual disk fails, the assigned hot spare will be
activated to replace the failed array disk without interrupting the system or requiring your
intervention.
You can change the hot-spare disk assignment by unassigning a disk and choosing another
disk to assign, as needed.
To assign a global hot-spare, perform the following steps:
1 Right-click the array disk that you want to use as a hot spare.
2 Click Assign Global Hot Spare.
The Assign Hot Spare dialog box appears.
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 Spare Array Disk.
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 on 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 on 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.