HighPoint NA762TB - Manual (Page 29)

HighPoint Technologies Inc. 29
5. Rebuild: Add a disk and rebuild a critical RAID array to normal. The following diagram shows
rebuilding array in processing.
6. Change cache Policy: Toggle Between Write Through and Write Back
Write Through: Lower write performance because data is written directly to HDD. Data
cannot be lost due to power failure or some other circumstance.
Write Back: Higher write performance but chances of data lose are greater since data still
resides in cache
7. Rename: Rename the array other than the default
4.2 Logical - Spare Pool
When creating redundant RAID arrays (1, 5, 6, 10 or 50) a Spare HDD can be configured to
automatically help rebuild a degraded redundant RAID. Users can assign any free storage into spare
pool. And any disk is in spare pool can be removed as well. The following diagrams show how to
operate “spare pool”.