Dell S300, S100 manual Redundant virtual disk

Table 7-10. A Virtual Disk is in a Degraded State

Likely Causes to Check	Corrective Actions
A physical disk was removed	• Install the original physical disk, if it was
	inadvertently removed, or replace it with a new or
	used physical disk.
	• Initialize a new physical disk. Perform a Rescan
	for all physical disks that are replaced.
	• If the physical disk was not removed, check that
	its cables are correctly installed.
Physical or mechanical problems	• Check if the physical disk in the virtual disk has
with the physical disk	failed.
	• If a physical disk was recently removed and
	replaced, check that it is correctly positioned in
	the backplane. Check the cable connections at the
	physical disk and at the motherboard. Perform a
	rescan.
The virtual disk has lost	• One or more physical disks in the virtual disk have
redundancy	failed. Due to the failed physical disk or disks, the
	virtual disk is no longer maintaining redundant
	(mirrored or parity) data. The failure of an
	additional physical disk results in lost data.
	• Replace the physical disk or disks. Rebuild the
	physical disk using Storage Management. See the
	applicable Storage Management screen, located
	on the Dell Support website at
	support.dell.com/manuals.
Corrupted metadata in the	1 Delete the virtual disk that has the failed
virtual disk	metadata.
	2 Assign the physical disk as a hot spare to rebuild a
	redundant virtual disk.
	3 To create a non-redundant virtual disk, delete and
	rebuilt the data on a virtual disk, and restore the
	data from a backup storage source.

72

Troubleshooting