5. Troubleshooting
This chapter describes basic troubleshooting information.
Forcing Storage & Snapshots or QNAP JBOD Manager to Recognize the JBOD
Enclosure
If Storage & Snapshots or QNAP JBOD Manager is unable to locate the JBOD enclosure during operation,
the drives or data may be faulty.
1. Power off the JBOD enclosure.
2. Remove all drives.
3. Power on the JBOD enclosure.
4. Locate the JBOD enclosure using Storage & Snapshots or QNAP JBOD Manager.
5. Reinsert the drives.
6. Continue with operation.
Hot-swapping Failed Drives
When connected to a QTS or a QuTS hero NAS, the JBOD enclosure supports hot-swapping of drives in the
following situations:
RAID Type Situation
RAID 1 One member drive fails.
RAID 5 One member drive fails.
RAID 6 One or two member drives fail.
RAID 10 One or two member drives in two different pairs fail.
RAID 50 One disk per subgroup fails.
RAID 60 Two disks per subgroup fail.
1. Log on to QTS.
2. Go to Main Menu > Storage & Snapshots > Storage > External Storage .
3. Locate the failed drive.
4. Prepare a new hard drive with a capacity that is the same as or larger than the failed hard drive.
5. Remove the failed drive from the JBOD enclosure.
6. Wait for 30 seconds or until the JBOD enclosure beeps twice.
7. Remove the failed drive from the drive tray.
8. Insert the new drive into the drive tray.
9. Install the new drive.
The JBOD enclosure beeps twice.
10. Wait for 30 seconds or until the JBOD enclosure beeps twice.
QNAP JBOD Enclosure - TL-R1220Sep-RP/TL-R1620Sep-RP User Guide
Troubleshooting 30
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