Managing Dedicated Spares; Adding A Dedicated Spare - Adaptec DuraStor 7220SS User Manual

Managing Dedicated Spares

Dedicated spares are unused disk drives that you assign as a spare
to a specific array. Each disk drive must be as large as the smallest
member of the array. You cannot use a dedicated spare in an array
or as a pool spare.
Using a dedicated spare is the most secure way to provide spares
for your arrays but it is also expensive to keep an idle disk drive
assigned to each array. An alternative, more efficient method is to
assign one or more idle disk drives to the spare pool. See
the Spare Pool on page

Adding a Dedicated Spare

You assign dedicated spares to a specific array. If a member disk
drive in the array fails, the controller uses a dedicated spare to
automatically reconstruct the array. You can add dedicated spares
to mirrored and parity arrays as you create the array or afterward.
You can assign up to four dedicated spares to an array. For more
information about assigning spares when you create an array, see
Creating Arrays on page
Note: A spare cannot be assigned to an array if it does not
have enough capacity to replace the smallest member in
the array.
To add a dedicated spare:
1
From the System Menu, select Array Menu and press Enter.
The Select Array menu appears.
2
Select the array you want and press Enter.
That array's Array menu appears.
3
Select Add Spare and press Enter.
The Select Drive(s) menu appears.
4-5.
2-1.
Managing Spares
Managing
4-2