User's Manual

284 Troubleshooting
Replacing a Failed Physical Disk that is Part of a Non-Redundant Virtual
Disk
If the failed physical disk is part of a non-redundant virtual disk (such as
RAID 0), then the failure of a single physical disk causes the entire virtual
disk to fail. To proceed, you need to verify when your last backup was, and if
there is any new data that has been written to the virtual disk since that time.
If you have backed up recently and there is no new data on the disks that
would be missed, you can restore from backup.
NOTE: If the failed disk is attached to a PERC 4/SC, 4/DC, 4e/DC, or 4/Di controller,
you can attempt to recover data from the disk by using the procedure described in
Using the Physical Disk Online Command on Select Controllers before continuing
with the following procedure.
Do the following:
1
Delete the virtual disk which is currently in a failed state.
2 Remove the failed physical disk.
3 Insert a new physical disk.
4 Create a new virtual disk.
5 Restore from backup.
Using the Physical Disk Online Command on Select Controllers
Does my controller support this feature? See Supported Features
If you do not have a suitable backup available, and if the failed disk is part of
a virtual disk on a controller that supports the Online physical disk task, then
you can attempt to retrieve data by selecting Online from the failed disk’s
drop-down task menu.
The Online command attempts to force the failed disk back into a Online
state. If you are able to force the disk into a Online state, you may be able to
recover individual files. How much data you can recover depends on the
extent of disk damage. File recovery is only possible if a limited portion of the
disk is damaged.
There is no guarantee you is able to recover any data using this method. A
forced Online does not fix a failed disk. You should not attempt to write new
data to the virtual disk.