Users Guide

Peripheral Component Interconnect Express Solid-State Drive Is Not Visible In The Operating System.....143
PCIe SSD Is Not Visible In Disk Management In The Operating System.......................................................... 144
19 Frequently Asked Questions......................................................................................................................145
Why Is A Rebuild Not Working......................................................................................................................................145
How To Avoid Removing The Wrong Disk...................................................................................................................145
How Can I Safely Remove Or Replace A Physical Disk............................................................................................. 145
How Do I Recover From Removing The Wrong Physical Disk..................................................................................146
How Do I Identify The Firmware Version That Is Installed.........................................................................................146
Which Controllers Do I Have......................................................................................................................................... 146
Which RAID Level Is Best For Me................................................................................................................................ 146
20 Supported Features.................................................................................................................................. 147
Supported Features On PERC Hardware Controllers................................................................................................ 147
Controller Tasks Supported On PERC Hardware Controllers....................................................................................147
Battery Tasks Supported On PERC Hardware Controllers........................................................................................149
Connector Tasks Supported By PERC Hardware Controllers...................................................................................149
Physical Disk Tasks Supported By PERC Hardware Controllers...............................................................................149
Virtual Disk Tasks Supported By PERC Hardware Controllers................................................................................. 150
Virtual Disk Specications For PERC Hardware Controllers......................................................................................151
RAID Levels Supported By PERC Hardware Controllers...........................................................................................152
Read, Write, Cache And Disk Cache Policy Supported By PERC Hardware Controllers...................................... 152
Supported Features On The PERC Software RAID Controllers............................................................................... 153
Supported Features On PERC Software RAID Controllers.................................................................................153
Controller Tasks Supported On The PERC Software RAID Controllers............................................................ 154
Physical Disk Tasks Supported By The PERC Software RAID Controllers........................................................154
Virtual Disk Tasks Supported By The PERC Software Controllers.....................................................................154
Virtual Disk Specications For PERC Software RAID Controllers......................................................................155
RAID Levels Supported By The PERC Software RAID Controllers....................................................................156
Read Write Cache And Disk Cache Policy Supported By The PERC Software RAID Controllers................. 156
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.....................................................159
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............................................... 160
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..............................................................................................161
Health Status Rollup - Enclosure Power Supply Failed Or Power Connection Removed......................................161
Health Status Rollup - One Enclosure EMM Is Failed.................................................................................................161
Health Status Rollup - Lost Both Power Connections To The Enclosure................................................................162
Health Status Rollup - One Or More Physical Disks Are Failed................................................................................ 162
Health Status Rollup - Physical Disk Is Rebuilding..................................................................................................... 162
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