User's Manual

Contents 15
Size Requirements for Global Hot Spares on
S100, and S300 Controllers
. . . . . . . . . . . . . 252
Global Hot Spare Considerations on a SAS 6/iR . . . . 252
16 CacheCade Using Solid State
Drives . . . . . . . . . . . . . . . . . . . . . . . . . . 255
17 Troubleshooting . . . . . . . . . . . . . . . . . . . 257
Common Troubleshooting Procedures . . . . . . . . . 257
Cables Attached Correctly
. . . . . . . . . . . . . 257
System Requirements. . . . . . . . . . . . . . . . 258
Drivers and Firmware
. . . . . . . . . . . . . . . . 258
Isolate Hardware Problems
. . . . . . . . . . . . 258
Rescan to Update Information on
SCSI Controllers . . . . . . . . . . . . . . . . . . 258
Replacing a Failed Disk
. . . . . . . . . . . . . . . 259
Replacing a Failed Physical Disk that is Part
of a Non-Redundant Virtual Disk . . . . . . . . . . 260
Recovering from Removing the Wrong
Physical Disk . . . . . . . . . . . . . . . . . . . . 261
Resolving Microsoft Windows Upgrade
Problems
. . . . . . . . . . . . . . . . . . . . . . 261
Virtual Disk Troubleshooting . . . . . . . . . . . . . . 261
A Rebuild Does Not Work
. . . . . . . . . . . . . 262
A Rebuild Completes with Errors . . . . . . . . . . 263
Cannot Create a Virtual Disk
. . . . . . . . . . . . 263
A Virtual Disk of Minimum Size is Not Visible
to Windows Disk Management. . . . . . . . . . . 264
Virtual Disk Errors on Linux
. . . . . . . . . . . . . 264
Problems Associated With Using the Same
Physical Disks for Both Redundant and
Non-Redundant Virtual Disks. . . . . . . . . . . . 265