7-8Adaptec Storage Manager Pro for DuraStor User’s GuideTo check disk drives assigned to a spare pool or assigned asdedicated spares:1 In the System Browser window, select the disk drive whosespare status and assignment you want to check.2 In the Details pane, click the Spares For tab.The Spares For tab shows whether this disk drive is assigned toan array as a spare, to an array as a dedicated spare, or to acontroller as part of the spare pool.To check spares assigned to an array by array:1 In the System Browser window, select an array for which youwant to check spares.2 In the Details pane, click the Spares tab.The Spares tab shows which drives are assigned as spares forthis array.Spare Management GuidelinesHow you manage your spares is a trade-off between the level ofsecurity your applications require and the cost of spare disk drives.Disk drives do not fail very often, but when they do, the result maybe catastrophic for your business. You must determine your needsand manage your spares accordingly.Consider the following as you manage your spares: General– Using spares does not replace the need for regular backups ofyour data.– You cannot assign spares to nonredundant arrays (stripe set[RAID 0] and volume set). Consider using these array typesonly for noncritical data that does not change often and thatcan be easily restored from backups. Assigning spares to an array– Try to select spare disk drives that are on different channelsfrom the current disk drives in the array.
