User manual

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Bitm ap
Bitmap improves the time for RAID rebuilding after an unexpected error, or removing or re-adding a
member hard drive of the RAID configuration. If an array has a bitmap, the member hard drive can be
removed and re-added and only blocks changes since the removal (as recorded in the bitmap) will be
re-synchronized. To use this feature, select a RAID 1, 5, or 6 disk volume and click “ENABLE BITMAP”.
No te :
Bitmap support is only available for RAID 1, 5, and 6.