QNAP TVS-472XT 4-Bay NAS Enclosure - Manual (Page 97)

Depending on the model you may be asked to power off then power on the device, or disconnect then
reconnect the device.
QTS re-detects the device and displays a notification message.
3. Wait for confirmation that the firmware update has finished.
4. Go to Storage & Snapshots > Storage > Disks/VJBOD .
5. Click Recover, and then select Attach and Recover Storage Pool.
Expansion Units
Expansion units are designed to expand the storage capacity of a QNAP NAS by adding extra drive bays.
Expansion units can be connected to the NAS using USB, Mini-SAS, Thunderbolt, or other cable type.
Tip
Expansion units used to be known as JBODs.
Expansion Unit Actions
Go to Storage & Snapshots > Storage > Disks/VJBOD and select an expansion unit to perform one of the
following actions.
Action Description
Enclosure Info View full hardware details of the expansion unit,
including the model, serial number, firmware
version, BUS type, CPU temperature, system
temperature, power status, and fan speeds.
Action > Locate Prompt the expansion unit chassis LEDs to blink, so
that you can locate the device in a server room or
rack.
Action > Safely Detach Stop all activity and safely unmount the enclosure
from the host NAS.
Action > Update Firmware Update the expansion unit's firmware.
Action > Rename Enclosure Rename the selected expansion unit.
RAID Group View details about each RAID group on the
expansion unit, including its RAID type, capacity, and
member disks.
Expansion Unit Automatic Recovery
If an expansion unit is accidentally disconnected from the NAS, for example by an unscheduled shutdown or
disconnected cable, then the following changes to storage state will occur:
• The status of all storage pools on the expansion unit will change to Error .
• The status of all RAID groups on the expansion unit will change to Not Active .
If you encounter this situation, reconnect the expansion unit to the NAS and QTS will automatically guide
you through the recovery process.
QTS 4.4.x User Guide
Storage & Snapshots 96