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Configuration: Disk Groups and Virtual Disks 115
• Right-click the physical disk and select Hot Spare Coverage from the
pop-up menu.
The
Hot Spare Physical Disk Options
window is displayed.
4
Select the appropriate option, you can select:
• View/change current hot spare coverage—to review hot spare coverage
and to assign or unassign hot spare physical disks, if necessary. See
step 5.
• Automatically assign physical disks— to create hot spare physical disks
automatically for the best hot spare coverage using available physical
disks.
• Manually assign individual physical disks—to create hot spare physical
disks out of the selected physical disks on the
Physical
tab.
• Manually unassign individual physical disks—to unassign the selected
hot spare physical disks on the
Physical
tab. See step 12.
5
To assign hot spares, in the
Hot Spare Coverage
window, select a disk
group in the
Hot spare coverage
area.
6
Review the information about the hot spare coverage in the
Details
area.
7
Click
Assign
.
The
Assign Hot Spare
window is displayed.
8
Select the relevant physical disks in the
Unassigned physical disks
area, as
hot spares for the selected disk and click
OK
.
9
To unassign hot spares, in the
Hot Spare Coverage
window, select the
physical disks in the
Hot spare physical disks
area.
10
Review the information about the hot spare coverage in the
Details
area.
11
Click
Unassign
.
A message prompts you to confirm the operation.
12
Ty p e
yes
and click
OK
.
Hot Spares and Rebuild
A valuable strategy to protect data is to assign available physical disks in the
storage array as hot spares. A hot spare adds another level of fault tolerance to
the storage array.
book.book Page 115 Tuesday, September 27, 2011 3:25 PM