6. Troubleshooting
This chapter describes basic troubleshooting information.
Forcing Qfinder Pro or myQNAPcloud to Locate the NAS
If Qfinder Pro or myQNAPcloud is unable to locate the NAS during QTS installation, the drives or data may
be faulty.
1. Power off the NAS.
2. Remove all drives.
3. Power on the NAS.
4. Locate the NAS using Qfinder Pro or myQNAPcloud.
5. Reinsert the drives.
6. Continue with the QTS installation.
Recovering Unintentionally Removed Hard 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
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
No
≥
4 (Must be an even
number)
One or two member drives in two
different pairs fail.
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
TBS-464 User Guide
Troubleshooting
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