Adding And Deleting Spare Drive Assignments - Acer Altos RAIDWatch Manual

Drive Management
partitions
Partition
4 GB 4 GB
4 GB
Figure 8–24 RAID Expansion Mode 2(3/3)
Important The increased capacity from either expansion type will be a new partition.
Three new drives are scanned in (see section 8.1 on page 89 for details on scanning in new drives).
To add the drives to the logical drive, select the logical drive where they will be added, then choose
the Operation tab and Add Drive sub-tab. Select a drive to add and click the Add button. When you
have selected all of the new drives you want to add, click OK.
The progress of the add process will be displayed as it is carried out.
The logical drive icon will appear to be degraded while the new drives are being added to the
logical drive. The color will return to normal once the drive add is complete.
When you return to the partition table, you will notice that either partition 0 or the last partition
will now be larger than before.
Follow the directions in section 4.12 to map the new partition to a host LUN. The new partition must
be The logical drive icon will appear to be degraded while the new drives are being added to the
logical drive. The color will return to normal once the drive add is complete.

8.2.5 Adding and Deleting Spare Drive Assignments

You can assign spare drives to a logical drive to serve as backups for failed drives. In the event of a
drive failure, the spare drive will be automatically configured into the array and reconstruction (or
rebuilding) will immediately commence.
Logical drives can support multiple spare drives; this configuration however is rarely used due to its
high cost and uncommon occurrences of drive failures. A practical configuration calls for one spare
drive per logical drive after rebuilding on this drive, just replace the failed drive and then configure
the replacement as the new spare drive of the logical drive.
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