Users Guide

SAS Controllers............................................................................................................................ 175
SAS Controller .............................................................................................................................175
Migrating SAS Virtual Disks To Another System............................................................................... 175
16 Protecting Your Virtual Disk With A Hot Spare......................................... 177
Understanding Hot Spares................................................................................................................ 177
Setting Hot Spare Protection Policy................................................................................................. 177
Dedicated Hot Spare Protection Policy......................................................................................178
Global Hot Spare Protection Policy............................................................................................178
Considerations For Hot Spare Protection Policy....................................................................... 178
Considerations For Enclosure Affinity........................................................................................ 179
Considerations For Hot Spares On PERC 6/E And PERC 6/I Controllers....................................... 179
Dedicated Hot Spare Considerations.........................................................................................180
Considerations For Hot Spares On PERC S100 And PERC S300 Controllers................................ 180
Size Requirements For Global Hot Spares On S100 And S300 Controllers............................. 180
Global Hot Spare Considerations On A SAS 6/iR.............................................................................180
17 CacheCade Using Solid-State Drives.......................................................... 182
Managing The CacheCade............................................................................................................... 182
CacheCade Properties................................................................................................................ 183
Creating A CacheCade................................................................................................................183
Resizing The CacheCade............................................................................................................184
Renaming The CacheCade.........................................................................................................184
Blinking And Unblinking The CacheCade.................................................................................. 184
Deleting The CacheCade............................................................................................................184
18 Troubleshooting.............................................................................................185
Common Troubleshooting Procedures...........................................................................................185
Cables Attached Correctly..........................................................................................................185
System Requirements................................................................................................................. 186
Drivers And Firmware..................................................................................................................186
Isolate Hardware Problems.........................................................................................................186
Rescan To Update Information On SCSI Controllers................................................................ 186
Replacing A Failed Disk............................................................................................................... 186
Using The Physical Disk Online Command On Select Controllers...........................................188
Recovering From Removing The Wrong Physical Disk............................................................. 188
Resolving Microsoft Windows Upgrade Problems.................................................................... 188
Virtual Disk Troubleshooting............................................................................................................ 189
A Rebuild Does Not Work........................................................................................................... 189
A Rebuild Completes With Errors............................................................................................... 189
Cannot Create A Virtual Disk...................................................................................................... 190
A Virtual Disk Of Minimum Size Is Not Visible To Windows Disk Management.......................190
10