Users Guide

NOTE: You can use the BIOS Configuration 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: The dedicated hot spare goes to Ready state and the virtual disk goes to Failed
state.
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.
Corrective Action: The dedicated hot spare goes 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 five 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 find reports of SMART errors that could indicate hardware
failure, see the Dell OpenManage storage management documentation at dell.com/support/
manuals.
83