QNAP VS-8124U-RP PRO+ Manuel d'utilisateur télécharger pdf (Page 220)

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The original data on the RAID 5, 6, or 10 disk volume will be retained. After the

configuration completes, the status of the disk volume will become “Ready”.

Note: A hot spare drive must be removed from the disk volume before executing the

following action:

•

Online RAID capacity

expansion

•

Online RAID level

migration

•

Adding a hard drive member to a RAID 5, RAID 6

or RAID 10 volume

Bitmap

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 volume and click “Enable Bitmap”.

Note: Bitmap support is only available for RAID 1, 5, 6, and 10.

Recover (RAID Recovery)

RAID Recovery: When the NVR is configured as RAID 1, RAID 5, or RAID 6 and any

number of hard drives is unplugged from the NVR accidentally, you can plug in the

same hard drives into the same drive slots and click “Recover” to recover the volume

status from “Not active” to “Degraded mode”.

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QNAP VS-8124U-RP PRO+ Manuel d'utilisateur Page 220

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