Dell PowerEdge RAID Controller S300 - Manual (Page 75)

Troubleshooting 75
Physical Disk-Related Errors
Table 7-13. The Physical Disk Fails
Likely Causes to Check Corrective Actions
A physical disk is not visible
in the PERC Virtual Disk
Management utility or is
offline
• Check that the cables are properly connected.
• For PERC S300 adapters only: check that the physical
disk is installed properly in the system’s backplane.
• For PERC S300 adapters only: check the system’s
backplane for damage.
• For PERC S300 adapters only: reinstall the physical
disk and make sure that it is seated correctly in the
system’s backplane.
• Perform a Rescan, to (a) update the status of storage
devices attached to the controller, or (b) fix an error
caused by deleting or initializing a virtual disk.
A physical disk is highlighted
red at the PERC Virtual Disk
Management utility
• Replace the physical disk. Depending on the
RAID level of the virtual disk, data might be lost.
• Perform a rescan to confirm that the new disk was
discovered.
Table 7-14. A Dedicated Hot Spare Fails
Likely Causes to Check Corrective Actions
The controller cannot
communicate with the hot
spare
• Check that the cable from the controller to the
physical disk is connected properly.
• Make sure that the physical disk is still assigned as a
global or dedicated hot spare.
• Check if the physical disk assigned as the hot spare
has failed.
The dedicated spare is not
visible in the PERC Virtual
Disk Management utility or
is offline
The controller cannot communicate with the hot
spare.
• Check if the physical disk has been removed or has
failed.
• Check for a loose or bad cable.
A5_bk0.book Page 75 Thursday, February 10, 2011 8:34 PM