Asus PCI-DA2100 User Manual - Page 297

ASUS GUI RAID Manager: Array Management ♦ If a spare drive exists in the same logical drive, the controller will automatically mount the spare drive and start data rebuilding in the background. ♦ Depending on the design of the system external to the controller, it may be possible to remove a defective drive and replace it with a new drive without shutting down the system (hot-swapping). Alternatively, the system can be shut down at a convenient time and the failed drive replaced. ♦ The replacement drive must then be assigned as a new spare drive. 4.2 Operation without Spare Drives The following are guidelines for disk failure recovery when a spare drive is not available: ♦ Depending on the design of the system, it may be possible to remove a defective drive and replace it with a new drive without shutting down the system (hot-swapping). Alternatively, the system can be shut down at a convenient time and the failed drive replaced. ♦ If the replacement drive is installed on the same channel and SCSI ID, you can then proceed with data rebuilding. ♦ If the replacement drive is installed on a different channel or SCSI ID, you need to scan in the new drive first then assign it as a spare drive of the logical drive. Data rebuilding will have to be manually initiated. IMPORTANT: Although the RAID system provides uninterrupted disk access even after a disk failure, do not leave a failed drive unattended to. Without replacement, the system will not survive a failure of a second drive on the 4.2 Operation without Spare Drives 4-5