Users Guide

NOTE: You can use the BIOS Conguration Utility (<Ctrl> <R>) or Dell OpenManage storage management application to
perform a manual rebuild of an individual physical disk. For information on rebuilding a single physical disk, see Performing A
Manual Rebuild Of An Individual Physical Disk.
Virtual disk fails during rebuild using a global hot spare
Issue: A virtual disk fails during rebuild while using a global hot spare.
Description: The global hot spare reverts to Hotspare state and the virtual disk is in Failed state.
Virtual disk fails during rebuild using a dedicated hot spare
Issue: A virtual disk fails during rebuild while using a dedicated hot spare.
Description: You must manually rebuild or add a new drive to system and start rebuilding.
Physical disk fails during reconstruction on redundant virtual
disk
Issue:
A physical disk fails during a reconstruction process on a redundant virtual disk that has a hot spare.
Description: The dedicated hot spare reverts to Ready state and the virtual disk goes to Failed state.
Virtual disk fails rebuild using a dedicated hot spare
Issue:
A virtual disk fails during rebuild while using a dedicated hot spare.
Description: The dedicated hot spare is in Ready state and the virtual disk is in Failed state.
Physical disk takes a long time to rebuild
Issue:
A physical disk is taking longer than expected to rebuild.
Description: A physical disk takes longer to rebuild when under high stress. There is only one rebuild I/O operation for every ve
host I/O operations.
Corrective Action: If possible, reduce stress on the physical disk.
SMART errors
SMART monitors the internal performance of all motors, heads, and physical disk electronics and detects predictable physical disk failures.
NOTE
: For information about where to nd reports of SMART errors that could indicate hardware failure, see the Dell
OpenManage storage management documentation at Dell.com/openmanagemanuals.
108 Troubleshooting