Recovering Unintentionally Removed Healthy Drives
The NAS supports exclusive RAID recovery technology to recover failed RAID disk volumes 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 volume from degraded mode.
Disk Volume RAID Recovery Support Number of Disks Maximum Number of
Removed Drives
Single No 1 N/A
JBOD Yes ≥ 2
RAID 0 Yes ≥ 2
RAID 1 Yes 2 1
RAID 5 Yes ≥ 3
RAID 6 Yes ≥ 4 2
RAID 10 No ≥ 4 (Must be an even
number)
One or two member
drives in two different
pairs fail.
RAID 50 Yes ≥ 6 One disk per subgroup
fails.
RAID 60 Yes ≥ 8 Two disks per subgroup
fail.
Support and Other Resources
QNAP provides the following resources:
Resource URL
Documentation https://docs.qnap.com
Compatibility List https://www.qnap.com/compatibility/
NAS Migration Compatibility https://www.qnap.com/en/nas-migration
Expansion Unit Compatibility http://www.qnap.com/go/compatibility-expansion
Service Portal https://service.qnap.com
Product Support Status https://www.qnap.com/product/eol.php
Downloads https://download.qnap.com
Community Forum https://forum.qnap.com
QNAP Accessories Store https://shop.qnap.com/
TS-932PX User Guide
Troubleshooting 38