QNAP TVS-472XT 4-Bay NAS Enclosure - Manual (Page 35)

Disk Status
Status Description
Data The disk is being used for data storage.
Spare The disk is configured as a hot spare.
Free The disk is not in use.
Cache The disk is being used in the SSD cache.
None There is no disk in the drive bay.
Warning QTS has detected S.M.A.R.T. errors. Run a full S.M.A.R.T. test and a disk scan.
Error QTS has detected I/O errors. You must replace the disk immediately.
Safely
Detached
The disk's storage pool or expansion unit was safely detached from the NAS.
Disk Information
Information Description
Disk Health Status The general health status of the disk
• Good: The disk is healthy.
• Warning: QTS has detected an error. Run a full S.M.A.R.T. test
and a disk scan.
• Error: QTS has detected a critical error. You must replace the
disk immediately.
Manufacturer The manufacturer of the disk
Model The disk model
QTS 4.4.x User Guide
Storage & Snapshots 34