NEC Express5800/R110f-1E Manuel d'utilisateur télécharger pdf (Page 63)

About Dedicated Hot Spare

Dedicated Hot Spare is a Hot Spare for the specified Disk Arrays under a single RAID Controller. The Dedicated

Hot Spare has the following features:

 Dedicated Hot Spare is a Hot Spare for specified Disk Arrays.

 One Dedicated Hot Spare can be a Hot Spare for one or more Disk Arrays.

 One or more Dedicated Hot Spare can be a Hot Spare for one or more Disk Arrays.

 Dedicated Hot Spares cannot be created in a Disk Array containing Logical Drives with the

RAID Level being RAID 0.

 Dedicated Hot Spares cannot be created in a Disk Array which does not have any Logical

Drive.

 Dedicated Hot Spare can be created by a Physical Device as which a Physical Device of

the same Interface Type and Device Type to create the Disk Array.

Ex 1 : You make the Dedicated Hot Spare on the RAID Controller which has Disk Arrays #1 and #2. If you specify

only the Disk Array #1 as the target Disk Array, the Dedicated Hot Spare is a Hot Spare of Disk Array #1.

Figure 12 Ded

icated Hot Spare 1

Ex 2 : If you specify the Disk Arrays #1 and #2 as the target Disk Array, the Dedicated Hot Spare is a Hot Spare

of Disk Arrays #1 and #2.

Figure 13 Dedicated Hot Spare 2

Dedicated

Hot Spare

Disk Array

Dedicated

Hot Spare

Disk Array

Ex 3 :

In case of the RAID System in Ex1, you can add more Dedicated Hot Spare . If you add the Dedicated Hot

Spare #2 to the Disk Array #1, the both Dedicated Hot Spare are the Hot Spare for the Disk Array #1.

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NEC Express5800/R110f-1E Manuel d'utilisateur Page 63