10. Go to Main Menu > Storage & Snapshots > Storage > Storage/Snapshots .
11. Locate the storage pool that contains the new drive and then verify that the status is
Rebuilding
.
Recovering unintentionally removed healthy drives
The NAS supports exclusive RAID recovery technology to recover failed RAID groups from unintentional
disconnection or removal of drives. Users can recover an inactive RAID 1, RAID 5, RAID 6, RAID 10, Triple
Mirror, and RAID-TP group from degraded mode.
RAID Type
RAID Recovery
Support
Number of Disks
Disk Failure Tolerance
Single
No
1
N/A
JBOD
Yes
≥
2
N/A
RAID 0
Yes
≥
2
N/A
RAID 1
Yes
2
1
RAID 5
Yes
≥
3
1
RAID 6
Yes
≥
4
2
RAID 10
Yes
≥
4 (Must be an even number)
One disk per subgroup fails.
Triple Mirror
Yes
Multiple of 3. (For example, 3, 6,
9, 12 disks and so forth.)
2
RAID-TP
Yes
≥
5
3
Support and other resources
QNAP provides the following resources:
Resource
URL
Documentation
Compatibility List
https://www.qnap.com/compatibility
NAS Migration Compatibility
https://www.qnap.com/go/nas-migration
Expansion Unit Compatibility
https://www.qnap.com/go/compatibility-expansion
Service Portal
Product Support Status
https://www.qnap.com/go/product/eol.php
Downloads
Community Forum
QNAP Accessories Store
TBS-h574TX User Guide
Troubleshooting
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