User's Manual

266 Troubleshooting
Physical Disk is Offline or Displays an Error Status
A physical disk may display an error status if it has been damaged, taken
offline, or was a member of a virtual disk that has been deleted or initialized.
The following actions may resolve the error condition:
• If a user has taken the disk offline, then return the disk to Online status by
executing the
Online disk task.
• Rescan the controller. This action updates the status of storage objects
attached to the controller. If the error status was caused by deleting or
initializing a virtual disk, rescanning the controller should resolve this
problem.
• Investigate whether there are any cable, enclosure, or controller problems
preventing the disk from communicating with the controller. If you find a
problem and resolve it, you may need to rescan the controller to return the
disk to Online or Ready status. If the disk does not return to Online or
Ready status, reboot the system.
• If the disk is damaged, replace it. For more information, see Replacing a
Failed Disk.
Receive a “Bad Block” Alert with “Replacement,” “Sense,” or
“Medium” Error
The following alerts or events are generated when a portion of a physical disk
is damaged:
• 2146
• 2147
• 2148
• 2149
• 2150
This damage is discovered when the controller performs an operation that
requires scanning the disk. Examples of operations that may result in these
alerts are as follows:
•Consistency check
•Rebuild
• Virtual disk format