Drive Status Report Interpretation

[AppliedArts]

Is there a reference that provides insight into a 'drive status report'.  Here's what I get

Drive 1  [Normal]: No errors occurred.
Drive 2  [Normal]: No errors occurred.



[TeraStation Information]
TeraStation Name: XXXXX (TS5210D) Serial Number: XXXXX
Time: 2022/04/28 04:10:02
Settings: http://192.168.x.xx/


[Drive Error Status]
Drive 1: 5          What does this 5 mean?  it does not seem to be associated with any problems
Drive 2: 0


Drive 1  Model: XXXXXX
+-----+------------------------+--------+---------------+-------------+-----------------+-----------+
| ID  | Attribute              | Status | Current Value | Worst Value | Threshold Value | Raw Value |
+-----+------------------------+--------+---------------+-------------+-----------------+-----------+
| 5   | Reallocated_Sector_Ct  | OK     | 100           | 100         | 005             | 0         |
| 197 | Current_Pending_Sector | OK     | 100           | 100         | 000             | 0         |
| 198 | Offline_Uncorrectable  | OK     | 100           | 100         | 000             | 0         |
+-----+------------------------+--------+---------------+-------------+-----------------+-----------+

Drive 2  Model: XXXXXX
+-----+------------------------+--------+---------------+-------------+-----------------+-----------+
| ID  | Attribute              | Status | Current Value | Worst Value | Threshold Value | Raw Value |
+-----+------------------------+--------+---------------+-------------+-----------------+-----------+
| 5   | Reallocated_Sector_Ct  | OK     | 100           | 100         | 005             | 0         |
| 197 | Current_Pending_Sector | OK     | 100           | 100         | 000             | 0         |
| 198 | Offline_Uncorrectable  | OK     | 100           | 100         | 000             | 0         |
+-----+------------------------+--------+---------------+-------------+-----------------+-----------+