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8 Contents
9 Configuration: Disk Groups
and Virtual Disks . . . . . . . . . . . . . . . . . . . 99
Creating Disk Groups and Virtual Disks. . . . . . . . . 99
Creating Disk Groups
. . . . . . . . . . . . . . . 100
Locating a Disk Group . . . . . . . . . . . . . . 102
Creating Virtual Disks
. . . . . . . . . . . . . . . 102
Changing the Virtual Disk
Modification Priority . . . . . . . . . . . . . . . 104
Changing the Virtual Disk Cache Settings
. . . . 105
Changing the Segment Size of a Virtual Disk
. . . 107
Changing the I/O Type. . . . . . . . . . . . . . . 108
Choosing an Appropriate Physical Disk Type . . . . . 109
Physical Disk Security With Self Encrypting Disk
. . 110
Creating a Security Key
. . . . . . . . . . . . . . 112
Changing a Security Key
. . . . . . . . . . . . . 114
Saving a Security Key. . . . . . . . . . . . . . . 115
Unlocking Secure Physical Disks
. . . . . . . . . 117
Erasing Secure Physical Disks . . . . . . . . . . 117
Configuring Hot Spare Physical Disks. . . . . . . . . 118
Hot Spares and Rebuild
. . . . . . . . . . . . . . 120
Global Hot Spares. . . . . . . . . . . . . . . . . 120
Hot Spare Operation
. . . . . . . . . . . . . . . 120
Hot Spare Drive Protection
. . . . . . . . . . . . 121
Enclosure Loss Protection
. . . . . . . . . . . . . . . 121
Host-to-Virtual Disk Mapping
. . . . . . . . . . . . . 124
Creating Host-to-Virtual Disk Mappings
. . . . . 124
Modifying and Removing
Host-to-Virtual Disk Mapping
. . . . . . . . . . . 126
Changing Controller Ownership
of the Virtual Disk
. . . . . . . . . . . . . . . . . 127
book.book Page 8 Wednesday, June 8, 2011 5:01 PM