Users Guide
16 Protecting Your Virtual Disk With A Hot Spare............................................................................143
Understanding Hot Spares................................................................................................................................................143
Setting Hot Spare Protection Policy............................................................................................................................... 143
Dedicated Hot Spare Protection Policy.....................................................................................................................144
Global Hot Spare Protection Policy........................................................................................................................... 144
Considerations For Hot Spare Protection Policy..................................................................................................... 144
Considerations For Enclosure Affinity....................................................................................................................... 144
Considerations For Hot Spares On PERC 6/E And PERC 6/I Controllers................................................................ 145
Dedicated Hot Spare Considerations........................................................................................................................ 145
Considerations For Hot Spares On PERC S100 And PERC S300 Controllers...........................................................146
Size Requirements For Global Hot Spares On S100 And S300 Controllers......................................................... 146
Global Hot Spare Considerations On A SAS 6/iR..........................................................................................................146
17 CacheCade Using Solid-State Drives..........................................................................................147
Managing The CacheCade................................................................................................................................................147
CacheCade Properties.................................................................................................................................................148
Creating A CacheCade................................................................................................................................................ 148
Resizing The CacheCade............................................................................................................................................ 148
Renaming The CacheCade......................................................................................................................................... 149
Blinking And Unblinking The CacheCade.................................................................................................................. 149
Deleting The CacheCade............................................................................................................................................ 149
18 Troubleshooting...................................................................................................................... 150
Common Troubleshooting Procedures........................................................................................................................... 150
Cables Attached Correctly..........................................................................................................................................150
System Requirements................................................................................................................................................. 150
Drivers And Firmware...................................................................................................................................................151
Isolate Hardware Problems..........................................................................................................................................151
Rescan To Update Information On SCSI Controllers...............................................................................................151
Replacing A Failed Disk.................................................................................................................................................151
Using The Physical Disk Online Command On Select Controllers......................................................................... 152
Recovering From Removing The Wrong Physical Disk........................................................................................... 152
Resolving Microsoft Windows Upgrade Problems.................................................................................................. 153
Virtual Disk Troubleshooting.............................................................................................................................................153
A Rebuild Does Not Work........................................................................................................................................... 153
A Rebuild Completes With Errors...............................................................................................................................153
Cannot Create A Virtual Disk......................................................................................................................................154
A Virtual Disk Of Minimum Size Is Not Visible To Windows Disk Management...................................................154
Virtual Disk Errors On Systems Running Linux.........................................................................................................154
Problems Associated With Using The Same Physical Disks For Both Redundant And Non-Redundant
Virtual Disks.............................................................................................................................................................. 154
Specific Problem Situations And Solutions.....................................................................................................................155
Physical Disk Is Offline Or Displays An Error Status................................................................................................155
Receive A Bad Block Alert With Replacement, Sense, Or Medium Error......................................................155
Alerts 2146 Through 2150 Received During A Rebuild Or While A Virtual Disk Is Degraded..............................156
Alerts 2146 Through 2150 Received While Performing I/O, Consistency Check, Format, Or Other
Operation.................................................................................................................................................................. 156
Read And Write Operations Experience Problems.................................................................................................. 156
A Task Menu Option Is Not Displayed.......................................................................................................................156
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