Asus PCI-DA2100 User Manual - Page 296
Operation with Spare Drives
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ASUS GUI RAID Manager: Array Management immediately commence. Spare drives appear in darker (shaded) colors than normal drives. ♦ Replacement drives. These are physical drives that are manually configured into the array to replace failed drives. In the absence of spare drives, you will need to use replacement drives to replace defective drives before rebuilding can be performed. ♦ Failed drives. These are physical drives that fail due to errors of some type. Failed drives appear with X marks on their respective icons. ♦ Logical drives. These drives are created using physical drives. Combining physical drives into one logical drive gives you a disk array with a certain RAID level. To view logical drives, use the Logical Drives window. ♦ Logical volumes. These volumes are created using logical drives. Combining logical drives into one logical volume gives you a single logical unit with even larger capacity. Logical volumes or their partitions are mapped to various host LUNs. To view logical volumes, use the Volume window. 4.1.2 Operation with Spare Drives You can assign spare drives to a particular logical drive to serve as backup drives. When a drive fails within the logical drive, one of the spares will be automatically configured into the logical drive, and data reconstruction onto it will immediately commence. The following are guidelines for disk failure recovery when a spare drive is available: 4-4 4.1 Background Information