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, RAID 50,
RAID 60, Triple Mirror, or RAID-TP group from degraded mode.
RAID Type
RAID
Recovery
Support
Number of Disks
Disk Failure Tolerance
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.
RAID 50
Yes
≥
6
One disk per subgroup fails.
RAID 60
Yes
≥
8
Two disks per subgroup fail.
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
TS-hx77AXU-RP User Guide
Troubleshooting
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