Users Guide

Which RAID Level Is Best For Me....................................................................................................................................142
20 Supported Features.................................................................................................................143
Supported Features On PERC Hardware Controllers...................................................................................................143
Controller Tasks Supported On PERC Hardware Controllers......................................................................................143
Battery Tasks Supported On PERC Hardware Controllers..........................................................................................146
Connector Tasks Supported By PERC Hardware Controllers..................................................................................... 147
Physical Disk Tasks Supported By PERC Hardware Controllers................................................................................. 147
Virtual Disk Tasks Supported By PERC Hardware Controllers.................................................................................... 148
Virtual Disk Specifications For PERC Hardware Controllers........................................................................................150
RAID Levels Supported By PERC Hardware Controllers..............................................................................................153
Read, Write, Cache And Disk Cache Policy Supported By PERC Hardware Controllers.........................................154
Supported Features On The PERC Software RAID Controllers..................................................................................154
Controller Tasks Supported On The PERC Software RAID Controllers...............................................................155
Physical Disk Tasks Supported By The PERC Software RAID Controllers.......................................................... 155
Virtual Disk Tasks Supported By The PERC Software Controllers....................................................................... 155
Virtual Disk Specifications For PERC Software RAID Controllers......................................................................... 156
RAID Levels Supported By The PERC Software RAID Controllers....................................................................... 156
Read Write Cache And Disk Cache Policy Supported By The PERC Software RAID Controllers.................... 157
Enclosure Support On The PERC Software RAID Controllers...............................................................................157
21 Determining The Health Status For Storage Components............................................................158
Health Status Rollup - Battery Is Charging Or Dead.....................................................................................................158
Health Status Rollup - Physical Disks In A Virtual Disk Are Failed Or Removed........................................................158
Health Status Rollup - Physical Disks In A Virtual Disk Are Unsupported, Partially, Or Permanently Degraded... 159
Health Status Rollup - All Physical Disks In A Virtual Disk Are In Foreign State........................................................ 159
Health Status Rollup - Some Physical Disks In A Virtual Disk Are In Foreign State.................................................. 159
Health Status Rollup - Virtual Disk Is Degraded, Physical Disks Are Failed Or Rebuilding........................................160
Health Status Rollup - Virtual Disk Is Failed....................................................................................................................160
Health Status Rollup - Unsupported Firmware Version................................................................................................160
Health Status Rollup - Enclosure Power Supply Failed Or Power Connection Removed........................................160
Health Status Rollup - One Enclosure EMM Is Failed....................................................................................................161
Health Status Rollup - Lost Both Power Connections To The Enclosure...................................................................161
Health Status Rollup - One Or More Physical Disks Are Failed.................................................................................... 161
Health Status Rollup - Physical Disk Is Rebuilding.........................................................................................................162
10
Contents