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Manage Disk Volumes 23
Related Information
■ “Creating RAID Volumes” on page 14
▼ Hot-Plug a Mirrored Disk
1. Verify which hard drive corresponds with which logical device name and
physical device name.
See “Disk Slot Numbers” on page 20.
2. To confirm a failed disk, type:
If the Disk Status is FAILED, then the drive can be removed and a new drive
inserted. Upon insertion, the new disk should be OK and the volume should be
RESYNCING.
For example:
This example indicated that the disk mirror has degraded due to a failure in disk
c0t2d0.
3. Remove the hard drive as described in your server’s service manual.
There is no need to issue a software command to bring the drive offline when the
drive has failed.
4. Install a new hard drive as described in your server’s service manual.
The RAID utility automatically restores the data to the disk.
# raidctl
# raidctl
RAID Volume RAID RAID RAID
Volume Type Status Disk Status
-----------------------------------------------------------------
c0t1d0 IM DEGRADED c0t1d0 OK
c0t2d0 FAILED