Rebuilding a failed physical disk................................................................................................. 107
Virtual disk fails during rebuild using a global hot spare............................................................107
Virtual disk fails during rebuild using a dedicated hot spare..................................................... 107
Physical disk fails during reconstruction on redundant virtual disk..........................................107
Virtual disk fails rebuild using a dedicated hot spare.................................................................107
Physical disk takes a long time to rebuild...................................................................................107
SMART errors.....................................................................................................................................108
Smart error detected on a physical disk in a redundant virtual disk.........................................108
Smart error detected on a physical disk in a non-redundant virtual disk.................................108
Replace member errors....................................................................................................................108
Source disk fails during replace member operation..................................................................109
Target disk fails............................................................................................................................109
General disk fails......................................................................................................................... 109
Linux operating system errors..........................................................................................................109
Virtual disk policy is assumed as write-through error message................................................109
Unable to register SCSI device error message...........................................................................110
Disk Carrier LED Indicators............................................................................................................... 110
UEFI error messages..........................................................................................................................110
Unhealthy Status of the Drivers...................................................................................................110
10 Appendix: RAID description..........................................................................112
Summary of RAID levels....................................................................................................................112
RAID terminology.............................................................................................................................. 112
Disk striping..................................................................................................................................112
Disk mirroring...............................................................................................................................113
Spanned RAID levels....................................................................................................................113
Parity data.....................................................................................................................................114
11 Getting help......................................................................................................115
Contacting Dell..................................................................................................................................115
Documentation feedback..................................................................................................................115
Locating your system Service Tag.................................................................................................... 115
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