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Contents ● 10
9 Managing Logical Drives and Hot Spares
Understanding Logical Drives ......................................................74
Creating Logical Drives .................................................................75
Setting the Size of a Logical Drive..........................................75
Including Different-sized Disk Drives in a Logical Drive.....76
Creating a Logical Drive Using Available Space....................77
Fine-tuning Logical Drives............................................................78
Changing the Write Cache Setting.........................................79
Changing the Stripe Size.........................................................79
Changing the Read Cache Setting..........................................80
Changing the Initialize Method .............................................80
Changing the Initialize Priority..............................................81
Verifying Logical Drives................................................................81
Verifying and Fixing a Logical Drive .....................................82
Verifying a Logical Drive (Without Fix) ...............................83
Enabling/Disabling Background Consistency Check ...........84
Increasing the Capacity of a Logical Drive...................................84
Extending a Partition on a Logical Drive ..............................87
Changing the RAID Level of a Logical Drive ...............................87
Deleting a Logical Drive ................................................................89
Working with Hot Spares..............................................................90
Hot Spare Limitations ............................................................90
Dedicated Spare or Global Spare?..........................................90
Designating a Global Hot Spare.............................................91
Assigning a Dedicated Hot Spare...........................................92
What Do the Hot Spare Icons Mean? ....................................93
Removing a Hot Spare............................................................93
10 Protecting Your Data
Creating a Snapshot.......................................................................96
Snapshot Limitations..............................................................96
Creating a Snapshot with Backup ..........................................97
Creating a Snapshot Without Backup ...................................97
Deleting a Snapshot ................................................................97
Enabling Copyback........................................................................98