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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,
or RAID 60 group from degraded mode.
RAID Type
Single
JBOD
RAID 0
RAID 1
RAID 5
RAID 6
RAID 10
RAID 50
RAID 60
Support and other resources
QNAP provides the following resources:
Resource
Documentation
Compatibility List
NAS Migration Compatibility
Expansion Unit Compatibility
Service Portal
Product Support Status
Downloads
Community Forum
QNAP Accessories Store
RAID Recovery
Support
No
No
No
Yes
Yes
Yes
No
Yes
Yes
https://download.qnap.com
https://www.qnap.com/compatibility
https://www.qnap.com/go/nas-migration
https://www.qnap.com/go/compatibility-expansion
https://service.qnap.com
https://www.qnap.com/go/product/eol.php
https://download.qnap.com
https://forum.qnap.com
https://shop.qnap.com
Number of Disks
1
≥ 2
≥ 2
2
≥ 3
≥ 4
≥ 4 (Must be an even
number)
≥ 6
≥ 8
URL
TS-1655 User Guide
Disk Failure Tolerance
N/A
N/A
N/A
1
1
2
One disk per subgroup fails.
One disk per subgroup fails.
Two disks per subgroup fail.
Troubleshooting
71
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