Users Guide

12 Tape Drive..................................................................................................................................................114
Tape Drive Properties......................................................................................................................................................114
13 RAID Controller Batteries.......................................................................................................................... 115
Battery Properties And Tasks........................................................................................................................................ 115
Battery Tasks................................................................................................................................................................... 116
Battery — Available Tasks............................................................................................................................................. 116
Starting A Learn Cycle..............................................................................................................................................116
Battery Transparent Learn Cycle............................................................................................................................. 117
Initiating The Battery Delay Learn Cycle.................................................................................................................117
To Locate Delay Learn Cycle In Storage Management...............................................................................................118
14 Physical Disks Or Physical Devices............................................................................................................ 119
Guidelines To Replace A Physical Disk Or Physical Device........................................................................................ 119
Adding A New Disk To The System...............................................................................................................................119
For SAS Controllers..................................................................................................................................................120
Replacing A Physical Disk Receiving SMART Alerts.................................................................................................. 120
Disk Is Part Of A Redundant Virtual Disk...............................................................................................................120
Disk Is Not Part Of A Redundant Virtual Disk.......................................................................................................120
Other Disk Procedures................................................................................................................................................... 121
Physical Disk Or Physical Device Properties................................................................................................................121
Physical Disk Or Physical Device Tasks....................................................................................................................... 125
Physical Disk Tasks......................................................................................................................................................... 125
Blinking And Unblinking A Physical Disk ............................................................................................................... 125
Removing Dead Segments...................................................................................................................................... 126
Preparing To Remove...............................................................................................................................................126
Rebuilding Data......................................................................................................................................................... 126
Canceling A Rebuild..................................................................................................................................................126
Assigning And Unassigning Global Hot Spare....................................................................................................... 127
Setting The Physical Disk Online Or Oine.......................................................................................................... 127
Performing A Clear Physical Disk And Cancel Clear............................................................................................ 128
Enabling Revertible Hot Spare................................................................................................................................129
Performing Cryptographic Erase............................................................................................................................ 129
Convert To RAID Capable Disk............................................................................................................................... 130
Convert To Non-RAID Disk..................................................................................................................................... 130
15 Virtual Disks...............................................................................................................................................131
Considerations Before Creating Virtual Disks..............................................................................................................132
Virtual Disk Considerations For Controllers........................................................................................................... 132
Virtual Disk Considerations For PERC S100, S110, S130, And S300 Controllers...............................................133
Virtual Disk Considerations On Systems Running Linux...................................................................................... 134
Number Of Physical Disks Per Virtual Disk........................................................................................................... 134
Number Of Virtual Disks Per Controller.................................................................................................................134
Calculation For Maximum Virtual Disk Size........................................................................................................... 134
Channel-Redundant Virtual Disks...........................................................................................................................135
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