Adaptec 3200S User Guide - Page 92

Assigning Hot Spares, Make Hotspare, Make Optimal, Optimal

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Storage Manager Assigning Hot Spares To assign a drive as a hot spare, click Make Hotspare in the drive's Device Information window. Click Remove Hotspare to reassign an existing hot spare drive as a normal drive. You should reboot your operating system to ensure that the hot spare drive is recognized correctly. Hot spares are reserved to automatically replace failed drives in RAID 1 or 0/1 and RAID 5 or 0/5 arrays and cannot be accessed by the operating system for data storage. Hot spares can only protect drives of equal or less capacity that are attached to the same controller as the hot spare. When a drive failure occurs in an array protected by a hot spare, the controller automatically starts rebuilding data onto the hot spare. During this process, Storage Manager swaps the positions of the failed drive and the hot spare in the Logical Configuration View. The failed drive appears with a red failed flag in the former position of the hot spare, and the hot spare appears as a member of the array group with a white flag indicating that a rebuild operation is in process. The array and LSU icons appear with yellow (degraded) flags. When the rebuild is complete, the hot spare icon and flags disappear and the drive is displayed as a normal member of the array. The red flag remains on the failed drive until that drive is replaced or returned to Optimal status. To replace the failed drive, follow these steps: 1 Follow the steps in your hardware documentation to remove and replace the failed drive. 2 Click Make Optimal in the new drive's Information window. The new drive becomes the hot spare, replacing the previous hot spare that is now a member of the rebuilt array group. Note: If you want to try using the drive again, select Make Optimal without removing the drive. If the operation fails, you should replace the drive. 3-47

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3-47
Storage Manager
Assigning Hot Spares
To assign a drive as a hot spare, click
Make Hotspare
in the drive’s
Device Information window. Click
Remove Hotspare
to reassign an
existing hot spare drive as a normal drive.
You should reboot your operating system to ensure that the hot
spare drive is recognized correctly.
Hot spares are reserved to automatically replace failed drives in
RAID 1 or 0/1 and RAID 5 or 0/5 arrays and cannot be accessed by
the operating system for data storage. Hot spares can only protect
drives of equal or less capacity that are attached to the same
controller as the hot spare.
When a drive failure occurs in an array protected by a hot spare, the
controller automatically starts rebuilding data onto the hot spare.
During this process, Storage Manager swaps the positions of the
failed drive and the hot spare in the Logical Configuration View. The
failed drive appears with a red failed flag in the former position of
the hot spare, and the hot spare appears as a member of the array
group with a white flag indicating that a rebuild operation is in
process. The array and LSU icons appear with yellow (degraded)
flags.
When the rebuild is complete, the hot spare icon and flags disappear
and the drive is displayed as a normal member of the array. The red
flag remains on the failed drive until that drive is replaced or
returned to Optimal status.
To replace the failed drive, follow these steps:
1
Follow the steps in your hardware documentation to remove
and replace the failed drive.
2
Click
Make Optimal
in the new drive’s Information window.
The new drive becomes the hot spare, replacing the previous
hot spare that is now a member of the rebuilt array group.
Note:
If you want to try using the drive again, select
Make
Optimal
without removing the drive. If the operation fails,
you should replace the drive.