Hot spares and rebuild – Dell PowerVault MD3220 User Manual

Page 115

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Configuration: Disk Groups and Virtual Disks

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• 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 Type 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, June 18, 2013 2:53 PM

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