Hard Drive Health Report — HP3Proxmox#

This report is a reference for selecting disks for non-critical storage. Disks are identified by model and serial number; Linux device names such as /dev/sdb are intentionally omitted because they can change.

Quick reference#

The complete inventory table is maintained in the Homelab - Storage inventory Google Sheet.

1 Spares#

1.1 Seagate ST4000DM000-1F2168 — Z300VMNK#

Capacity: 4 TB
Test date: 2026-09-16
Power-on time: 37,294 hours
SMART health: PASSED
Extended self-test: Completed without error
SMART error log: No errors logged
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
Reported uncorrectable errors: 0
Runtime bad blocks: 1
UDMA CRC errors: 2
Load-cycle count: 316,566 raw cycles; normalized value at minimum (1)

Assessment: The extended test completed successfully and there are no pending, reallocated, or offline-uncorrectable sectors. The disk is old and heavily used, with one runtime bad-block event, two interface CRC errors, and an extremely high load-cycle count.

Recommendation: Usable only for non-critical or redundant storage. Do not rely on it as a single copy of valuable data. If the CRC count increases, investigate the SATA cable, backplane, and power connections.

1.2 Seagate ST4000DM000-1F2168 — W300T362#

Capacity: 4 TB
Test date: 2026-09-16
Power-on time: 50,806 hours
SMART health: PASSED, with a vendor-specific marginal-attribute warning
Extended self-test: Completed without error
SMART error log: No errors logged
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
Reported uncorrectable errors: 0
Runtime bad blocks: 13
UDMA CRC errors: 2
High-fly writes: 107 raw events; normalized value at minimum (1)
Load-cycle count: 374,280 raw cycles; normalized value at minimum (1)

Assessment: The extended test completed successfully, but the disk has nearly six years of power-on time and poor lifetime indicators. The vendor-specific warning, runtime bad blocks, high-fly events, and very high load-cycle count make it marginal despite currently having no pending sectors.

Recommendation: Do not use it for primary storage, backups, or irreplaceable data. It may be retained for disposable or redundant tertiary storage where failure is acceptable and the data can be recreated. Replace it when practical.

1.4 Seagate ST4000DM000-1F2168 — Z300X431#

Capacity: 4 TB
Test date: 2026-09-16
Power-on time: 37,196 hours
SMART health: PASSED
Extended self-test: Completed without error
SMART error log: No errors logged
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
Reported uncorrectable errors: 0
Runtime bad blocks: 0
UDMA CRC errors: 3
High-fly writes: 66 raw events; normalized value 34
Load-cycle count: 275,307 raw cycles; normalized value at minimum (1)

Assessment: The extended test completed successfully and the media indicators are clean: no reallocated, pending, offline-uncorrectable, runtime bad-block, or reported-uncorrectable sectors. The disk is heavily used and has three interface CRC errors plus a very high load-cycle count.

Recommendation: Suitable for a third, cold backup of non-essential movie data when used with redundancy. Do not rely on it as the only copy, and monitor whether the CRC count increases.

1.5 Seagate ST4000DM000-1F2168 — Z302L1GE#

Capacity: 4 TB
Test date: 2026-09-16
Power-on time: 23,447 hours
SMART health: PASSED, with a vendor-specific marginal-attribute warning
Extended self-test: Completed without error
SMART error log: No errors logged
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
Reported uncorrectable errors: 0
Runtime bad blocks: 212; normalized value at minimum (1)
Command timeouts: 92
UDMA CRC errors: 85
Load-cycle count: 192,009 raw cycles; normalized value 4

Assessment: The extended test completed successfully, but the disk has significant lifetime warnings. The runtime bad-block count, command timeouts, CRC errors, and very low normalized load-cycle value indicate a drive with a concerning history, even though it currently reports no pending or uncorrectable sectors.

Recommendation: Avoid using it for long-term backup storage if possible. At most, use it for disposable movie data where complete disk loss is acceptable. Do not use it for primary storage or irreplaceable data.

1.6 Western Digital WD4003FZEX-00Z4SA0 — WD-WCC130578883#

Capacity: 4 TB
Test date: 2026-09-16
Power-on time: 48,485 hours
SMART health: PASSED
Extended self-test: Completed without error
SMART error log: No errors logged
Read error rate: 0 raw errors
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
Reallocation events: 0
UDMA CRC errors: 1

Assessment: This is the cleanest of the four 4 TB disks. It has high operating hours, but no recorded bad sectors, pending sectors, uncorrectable sectors, or SMART error-log entries, and its recent extended tests completed successfully.

Recommendation: Usable for redundant storage and non-critical workloads. Do not use it as the only copy of important data because of its age. Monitor the CRC count and consider proactive replacement for important workloads.

1.7 Western Digital MB001000GWFWK — WCC6M1NYF8NH#

Capacity: 1 TB
Test date: 2026-09-16
Power-on time: 36,060 hours
SMART health: PASSED
Extended self-test: Completed; the drive does not provide a SMART self-test log, so the exact pass result cannot be independently confirmed
SMART error log: Not supported by the drive
Raw read errors: 0
Reallocated sectors: 0
Spin-retry count: 0
Reallocated-event count: 0

Assessment: Current SMART health and media indicators are clean. The disk is old, and the missing self-test and error logs reduce the amount of verification available.

Recommendation: Suitable for a third, cold backup of non-essential movie data after a successful read-only full-disk surface scan. Do not use it as the only copy of anything important.

1.8 Western Digital MB001000GWFWK — WMC6M0K0X9HF#

Capacity: 1 TB
Test date: 2026-09-16
Power-on time: 36,152 hours
SMART health: PASSED
Extended self-test: Completed; the drive does not provide a SMART self-test log, so the exact pass result cannot be independently confirmed
SMART error log: Not supported by the drive
Raw read errors: 0
Reallocated sectors: 0
Spin-retry count: 0
Reallocated-event count: 0

Assessment: Current SMART health and media indicators are clean. The disk is old, and the missing self-test and error logs reduce the amount of verification available.

Recommendation: Suitable for a third, cold backup of non-essential movie data after a successful read-only full-disk surface scan. Do not use it as the only copy of anything important.

2 HP1#

2.1 X356_S16333T8ATE — S2JVNA0H809227#

Location: HP1 Bay 1
Test date: 2026-09-17
Capacity: 3.84 TB
SMART health: OK
Extended self-test: Previous long test completed without a reported LBA error; restarted test later aborted by user command
Extended self-test duration: 3,600 seconds (60 minutes)
Endurance used: 1%
Grown defect list: 0
Non-medium errors: 6

Assessment: The previous long test completed without a reported LBA error. SMART is OK, endurance usage is low at 1%, and no grown defects were recorded. The restarted test was aborted by user command; the non-medium error count records interface or other non-media events.

Recommendation: Suitable for non-critical or secondary storage. Monitor the non-medium error count and SAS/controller path before relying on it for important data.

2.2 X356_S16333T8ATE — S2JVNAAH614415#

Location: HP1 Bay 2
Test date: 2026-09-17
Capacity: 3.84 TB
SMART health: OK
Extended self-test: Previous long test completed without a reported LBA error; restarted test later aborted by user command
Extended self-test duration: 3,600 seconds (60 minutes)
Endurance used: 1%
Grown defect list: 0
Non-medium errors: 7

Recommendation: Suitable for non-critical or secondary storage. Monitor the non-medium error count and SAS/controller path before relying on it for important data.

2.3 X356_S16333T8ATE — S2JVNAAH613841#

Location: HP1 Bay 3
Test date: 2026-09-17
Capacity: 3.84 TB
SMART health: OK
Extended self-test: Previous long test completed without a reported LBA error; restarted test later aborted by user command
Extended self-test duration: 3,600 seconds (60 minutes)
Endurance used: 1%
Grown defect list: 0
Non-medium errors: 7

Recommendation: Suitable for non-critical or secondary storage. Monitor the non-medium error count and SAS/controller path before relying on it for important data.

2.4 X356_S16333T8ATE — S2JVNA0H809243#

Location: HP1 Bay 4
Test date: 2026-09-17
Capacity: 3.84 TB
SMART health: OK
Extended self-test: Previous long test completed without a reported LBA error; restarted test later aborted by user command
Extended self-test duration: 3,600 seconds (60 minutes)
Endurance used: 1%
Grown defect list: 0
Non-medium errors: 7

Recommendation: Suitable for non-critical or secondary storage. Monitor the non-medium error count and SAS/controller path before relying on it for important data.

2.5 X356_S16333T8ATE — S2JVNAAH615726#

Location: HP1 Bay 5
Test date: 2026-09-17
Capacity: 3.84 TB
SMART health: OK
Extended self-test: In progress; no completed long-test result is recorded yet
Extended self-test duration: 3,600 seconds (60 minutes)
Endurance used: 1%
Grown defect list: 0
Non-medium errors: 30

2.6 MZILS960HEHP0D4 — S3E0NX0J402514#

Location: HP1 Bay 6
Test date: 2026-09-17
Capacity: 960 GB
SMART health: OK
Extended self-test: Previous long test completed without a reported LBA error; restarted test later aborted by user command
Extended self-test duration: 3,600 seconds (60 minutes)
Endurance used: 5%
Grown defect list: 0
Uncorrected read/write/verify errors: 0 / 0 / 0
Non-medium errors: 8
SAS link counters: High transport-error counters; received error count 0

Assessment: The previous long test completed without a reported LBA error. SMART is OK, endurance usage is 5%, the grown defect list is empty, and read/write/verify uncorrected errors are all zero. The restarted test was aborted by user command. High SAS transport counters and eight non-medium errors should be monitored.

Recommendation: Suitable for non-critical or secondary storage. Investigate the SAS path or backplane if transport counters continue increasing, especially before using it for important data.

2.7 MZILS960HEHP0D4 — S3E0NX0J400518#

Location: HP1 Bay 7
Test date: 2026-09-17
Capacity: 960 GB
SMART health: OK
Extended self-test: Previous long test completed without a reported LBA error; restarted test later aborted by user command
Extended self-test duration: 3,600 seconds (60 minutes)
Endurance used: 0%
Grown defect list: 0
Uncorrected read/write/verify errors: 0 / 0 / 0
Non-medium errors: 8
SAS link counters: High transport-error counters; received error count 0

Assessment: The previous long test completed without a reported LBA error. SMART is OK, endurance usage is 0%, the grown defect list is empty, and read/write/verify uncorrected errors are all zero. The restarted test was aborted by user command. High SAS transport counters and eight non-medium errors should be monitored.

Recommendation: Suitable for non-critical or secondary storage. Investigate the SAS path or backplane if transport counters continue increasing, especially before using it for important data.

2.8 MZILS960HEHP0D4 — S3E0NX0J402818#

Location: HP1 Bay 8
Test date: 2026-09-17
Capacity: 960 GB
SMART health: OK
Extended self-test: Previous long test completed without a reported LBA error; restarted test later aborted by user command
Extended self-test duration: 3,600 seconds (60 minutes)
Endurance used: 5%
Grown defect list: 0
Uncorrected read/write/verify errors: 0 / 0 / 0
Non-medium errors: 8
SAS link counters: High transport-error counters; received error count 7

Recommendation: Suitable for non-critical or secondary storage only until the SAS path or backplane is checked. Do not rely on it as the only copy of important data.

3 HP5#

iLO reports S521NA0MB05932 in Port 1I Box 1 Bay 3, but HP5 Proxmox currently exposes /dev/sdc as a USB Flash Disk with serial FCBB109D4A994F90. No matching S521NA0MB05932 disk is visible to Proxmox, so the iLO Bay 3 entry may be stale. It is not treated as tested in this report.

3.1 INTEL SSDSC2BB120G6R — PHWA6414005J120CGN#

Location: HP5 Port 1I Box 1 Bay 1
Test date: 2026-09-17
Capacity: 120 GB
Power-on hours: 67,202 hours
SMART health: PASSED
Extended self-test: Completed without error
Extended self-test duration: 3,600 seconds (60 minutes)
SMART error log: No errors logged
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
End-to-end errors: 0
Interface CRC errors: 0
Endurance used: 13%
Reported uncorrectable errors: 0

Assessment: The long test completed without error and the media indicators are clean. The drive has very high power-on time, but the reported endurance usage is only 13% and there are no reallocated, pending, uncorrectable, or interface CRC errors.

Recommendation: Keep it for secondary or spare use only. Its age makes it unsuitable as the sole storage location for important data.

3.2 MK000480GWSSC — S521NA0MB05921#

Location: HP5 Port 1I Box 1 Bay 2
Test date: 2026-09-17
Capacity: 480 GB
Power-on hours: 21,476 hours
SMART health: PASSED
Extended self-test: Completed without error
Extended self-test duration: 2,100 seconds (35 minutes)
SMART error log: No errors logged
Reallocated sectors: 0
Reallocation events: 0
Reported uncorrectable errors: 0
Interface CRC errors: 0
Endurance used: 0%
Defects logged: None

Assessment: The long test completed successfully. SMART health, error logs, reallocation counters, uncorrectable-error counters, interface counters, and the endurance indicator are clean.

Recommendation: Suitable for secondary or spare use. Do not rely on it as the only copy of important data.

3.3 MK000480GWSSC — S521NA0MB05895#

Location: Spare
Test date: 2026-09-17
Capacity: 480 GB
Power-on hours: 27,599 hours
SMART health: PASSED
Extended self-test: Completed without error
Extended self-test duration: 2,100 seconds (35 minutes)
SMART error log: No errors logged
Reallocated sectors: 0
Reallocation events: 0
Reported uncorrectable errors: 0
Interface CRC errors: 1
Endurance used: 0%
Defects logged: None

Assessment: The long test completed successfully and the media indicators are clean. One interface CRC error is recorded, with no reallocated, uncorrectable, or logged device errors.

Recommendation: Suitable for secondary or spare use. Monitor the CRC count and inspect the SATA path if it increases.

3.4 MK000480GWSSC — S521NA0MB01511#

Location: Spare
Test date: 2026-09-17
Capacity: 480 GB
Power-on hours: 38,250 hours
SMART health: PASSED
Extended self-test: Completed without error
Extended self-test duration: 2,100 seconds (35 minutes)
SMART error log: No errors logged
Reallocated sectors: 0
Reallocation events: 0
Reported uncorrectable errors: 0
Interface CRC errors: 0
Endurance used: 1%
Defects logged: None

Assessment: The long test completed successfully with clean media and interface indicators. The drive is older, with over 38,000 power-on hours, but only 1% reported endurance usage and no logged errors.

Recommendation: Suitable for secondary or spare use. Avoid making it the only copy of important data because of its age.

3.5 MK000480GWSSC — S521NA0MB01505#

Location: Spare
Test date: 2026-09-17
Capacity: 480 GB
Power-on hours: 44,369 hours
SMART health: PASSED
Extended self-test: Completed without error
Extended self-test duration: 2,100 seconds (35 minutes)
SMART error log: No errors logged
Reallocated sectors: 0
Reallocation events: 0
Reported uncorrectable errors: 0
Interface CRC errors: 1
Endurance used: 1%
Defects logged: None

Assessment: The long test completed successfully and the media indicators are clean. The drive has very high power-on time, one interface CRC error, and 1% reported endurance usage, but no reallocated or uncorrectable errors.

Recommendation: Restrict it to tertiary or spare use. Monitor the CRC count and do not rely on it as the only copy of important data.

3.6 MK000480GWSSC — S521NA0MB05928#

Location: Spare
Test date: 2026-09-17
Capacity: 480 GB
Power-on hours: 32,857 hours
SMART health: PASSED
Extended self-test: Completed without error
Extended self-test duration: 2,100 seconds (35 minutes)
SMART error log: No errors logged
Reallocated sectors: 0
Reallocation events: 0
Reported uncorrectable errors: 0
Interface CRC errors: 0
Endurance used: 0%
Defects logged: None

Assessment: The long test completed successfully with clean media, interface, and error indicators. The drive is well-used but reports no reallocated, uncorrectable, or logged errors.

Recommendation: Suitable for secondary or spare use. Do not rely on it as the only copy of important data because of its age.

3.7 SPCC Solid State Disk — CN51CAJ0618958#

Location: Spare
Test date: 2026-09-17
Capacity: 512 GB
Power-on hours: 1,967 hours
SMART health: PASSED
Extended self-test: Completed without error
Extended self-test duration: 5,100 seconds (85 minutes)
SMART error log: No errors logged
Reallocated sectors: 0
Interface CRC errors: 0
Endurance indicator: Not available in a standardized form

Assessment: The long test completed successfully and no reallocated sectors, CRC errors, or SMART log errors were reported. The drive is relatively lightly used, but its generic SPCC identity and limited vendor-specific SMART interpretation reduce confidence in its long-term reliability.

Recommendation: Use only for non-critical or tertiary storage. Do not use it as the sole copy of important data.

3.8 Patriot P210 256GB — P210HBBB230708013079#

Location: Spare
Test date: 2026-09-17
Capacity: 256 GB
Power-on hours: 1,425 hours
SMART health: PASSED
Extended self-test: Completed without error
SMART error log: No errors logged
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
Interface CRC errors: 0
Endurance used: 0%

Assessment: The long test completed successfully. The media, pending-sector, uncorrectable-sector, and interface indicators are clean, and the drive has relatively low power-on time.

Recommendation: Suitable for non-critical secondary or spare storage. Keep another copy of anything important because this is a consumer SSD.

3.9 MZILS960HEHP0D4 — S3E0NX0J400519#

Location: Spare
Test date: 2026-09-17
Capacity: 960 GB
Power-on hours: 60,008 hours
SMART health: OK
Extended self-test: Completed
Extended self-test duration: 3,600 seconds (60 minutes)
Media errors: 0 uncorrected read, write, or verify errors
Grown defects: 0
Non-medium errors: 21
Endurance used: 4%

Assessment: The long test completed and no media errors or grown defects were reported. However, the drive is very old by power-on time, and the SAS diagnostics contain non-medium transport errors.

Recommendation: Restrict it to tertiary or spare use. Do not rely on it as the only copy of data, and investigate the shared SAS backplane/controller path before using it for important storage.

3.10 MZILS960HEHP0D4 — S3E0NX0J400593#

Location: Spare
Test date: 2026-09-17
Capacity: 960 GB
Power-on hours: 60,100 hours
SMART health: OK
Extended self-test: Completed
Extended self-test duration: 3,600 seconds (60 minutes)
Media errors: 0 uncorrected read, write, or verify errors
Grown defects: 0
Non-medium errors: 21
Endurance used: 4%

Assessment: The long test completed with no uncorrected media errors or grown defects. The drive has very high power-on time, and the SAS diagnostics report accumulated non-medium transport errors.

Recommendation: Restrict it to tertiary or spare use. Do not rely on it as the only copy of data, and investigate the shared SAS backplane/controller path before using it for important storage.

3.11 MZILS960HEHP0D4 — S3E0NX0J402608#

Location: Spare
Test date: 2026-09-17
Capacity: 960 GB
Power-on hours: 59,970 hours
SMART health: OK
Extended self-test: Completed
Extended self-test duration: 3,600 seconds (60 minutes)
Media errors: 0 uncorrected read, write, or verify errors
Grown defects: 0
Non-medium errors: 21
Endurance used: 4%

Assessment: The long test completed with no uncorrected media errors or grown defects. The drive is very old by power-on time, and the SAS diagnostics report accumulated non-medium transport errors.

Recommendation: Restrict it to tertiary or spare use. Do not rely on it as the only copy of data, and investigate the shared SAS backplane/controller path before using it for important storage.

3.12 MZILS1T9HEJH0D4 — S3E1NX0KB08901#

Location: Spare
Test date: 2026-09-17
Capacity: 1.92 TB
Power-on hours: 53,849 hours
SMART health: OK
Extended self-test: Completed
Extended self-test duration: 3,600 seconds (60 minutes)
Media errors: 0 uncorrected read, write, or verify errors
Grown defects: 0
Non-medium errors: 26
Endurance used: 8%

Assessment: The long test completed with no uncorrected media errors or grown defects. The drive has very high power-on time and more SAS transport/reset history than the 960 GB drives.

Recommendation: Restrict it to tertiary or spare use. Do not rely on it as the only copy of data, and investigate the shared SAS backplane/controller path before using it for important storage.

4 HP2#

4.1 NVMe Samsung SSD 990 EVO 1TB — S7M3NS0X520060N#

Location: HP2 PCIe ?
Type: NVMe
Model: Samsung SSD 990 EVO 1TB
Serial number: S7M3NS0X520060N
Capacity: 1 TB
Assessment:
Recommendation:

4.2 NVMe Samsung SSD 990 EVO 1TB — S7M3NS0X519990K#

Location: HP2 PCIe ?
Type: NVMe
Model: Samsung SSD 990 EVO 1TB
Serial number: S7M3NS0X519990K
Capacity: 1 TB
Assessment:
Recommendation:

4.3 Patriot P210 1TB — P210HBCB230711000902#

Location: HP2 System Board
Model: Patriot P210 1TB
Serial number: P210HBCB230711000902
Capacity: 1.02 TB
Assessment:
Recommendation:

4.4 X356_S16333T8ATE — S2JVNAAH613856#

Location: HP2 Bay 1
Model: X356_S16333T8ATE
Serial number: S2JVNAAH613856
Capacity: 3.84 TB
Assessment:
Recommendation:

4.5 SPCC Solid State Disk — A20231231S301KG13068#

Location: HP2 Bay 2
Model: SPCC Solid State Disk
Serial number: A20231231S301KG13068
Capacity: 1 TB
Assessment:
Recommendation:

4.6 Samsung SSD 860 QVO 1TB — S59HNG0N300017Z#

Location: HP2 Bay 3
Model: Samsung SSD 860 QVO 1TB
Serial number: S59HNG0N300017Z
Capacity: 1 TB
Assessment:
Recommendation:

4.7 Patriot P210 1TB — P210HBCB230711000653#

Location: HP2 Bay 4
Model: Patriot P210 1TB
Serial number: P210HBCB230711000653
Capacity: 1.02 TB
Assessment:
Recommendation:

4.8 P5V800GD EMC800 — Z940A00DT16R#

Location: HP2 Bay 5
Model: P5V800GD EMC800
Serial number: Z940A00DT16R
Capacity: 800 GB
Assessment:
Recommendation:

4.9 P5V800GD EMC800 — Z920A015T16R#

Location: HP2 Bay 6
Model: P5V800GD EMC800
Serial number: Z920A015T16R
Capacity: 800 GB
Assessment:
Recommendation:

4.10 P5V800GD EMC800 — Z940A002T16R#

Location: HP2 Bay 7
Model: P5V800GD EMC800
Serial number: Z940A002T16R
Capacity: 800 GB
Assessment:
Recommendation:

4.11 P5V800GD EMC800 — Z920A01LT16R#

Location: HP2 Bay 8
Model: P5V800GD EMC800
Serial number: Z920A01LT16R
Capacity: 800 GB
Assessment:
Recommendation:

5 HP4#

5.1 MK000480GWSSC — S521NA0MB05933#

Location: HP4 Bay 1
Test date: 2026-09-17
Model: MK000480GWSSC
Serial number: S521NA0MB05933
Capacity: 480 GB
Power-on hours: 32,088
SMART health: PASSED
Extended self-test: Completed without error
SMART error log: No errors logged
Reallocated sectors: 0
Reported uncorrectable errors: 0
Endurance used: 0%

Assessment: The long test completed successfully. SMART health is PASSED, no SMART errors or media defects are logged, and endurance usage is reported as 0%. The drive has approximately 32,000 power-on hours.

Recommendation: Suitable for non-critical or redundant storage. Do not rely on it as the only copy of important data.

5.2 P5V800GD — Z920A01HT16R#

Location: HP4 Bay 2
Test date: 2026-09-17
Model: P5V800GD EMC800
Serial number: Z920A01HT16R
Capacity: 800 GB
Power-on hours: 34,356
SMART health: OK
Extended self-test: Completed
SMART error log: No uncorrected read, write, or verify errors
Grown defects: 0
Endurance used: 0%
Non-medium errors: 5,348
SAS link indicators: 10 invalid DWORDs, 10 running-disparity errors, and 2 loss-of-synchronization events

Assessment: The long test completed and the media indicators are clean, with no grown defects or uncorrected errors. However, the drive has a high non-medium error count and recorded SAS link events, which point to a possible controller, backplane, cable, or connection history rather than a confirmed media failure.

Recommendation: Suitable for non-critical storage only after checking the SAS path. Do not use it as the only copy, and monitor whether non-medium or link-error counters increase.

5.3 KPM5WVUG800G — 6850A00CTZAE#

Location: HP4 Bay 3
Test date: 2026-09-17
Model: KPM5WVUG800G
Serial number: 6850A00CTZAE
Capacity: 800 GB
Power-on hours: 7,676
SMART health: OK; SMART is disabled on the device
Extended self-test: Completed
SMART error log: No uncorrected read, write, or verify errors
Grown defects: 0
Endurance used: 2%
Non-medium errors: 1,354
SAS link indicators: 14,078 invalid DWORDs, 14,038 running-disparity errors, and 828 loss-of-synchronization events

Assessment: The long test completed with no reported media errors and no grown defects, and endurance usage is low. Confidence is reduced because SMART is disabled and the SAS transport counters are significantly elevated, indicating a likely link or backplane problem that should be investigated.

Recommendation: Do not assign it to important storage until the SAS path is checked. After the path is verified and the counters remain stable, it may be used for non-critical, redundant storage only.

5.4 X356_S16333T8ATE — S2JVNA0H801183#

Location: HP4 Bay 4
Test date: 2026-09-17
Model: X356_S16333T8ATE
Serial number: S2JVNA0H801183
Capacity: 3.84 TB
Power-on hours: 76,885
SMART health: OK
Extended self-test: Completed
SMART error log: No uncorrected read, write, or verify errors
Grown defects: 0
Corrected errors: 16 corrected read errors and 80 corrected verify errors
Non-medium errors: 19
SAS link indicators: 939,905 invalid DWORDs, 948,199 running-disparity errors, 267 loss-of-synchronization events, and 100 PHY reset problems

Assessment: The long test completed without a reported uncorrected media error, and no grown defects are listed. Nevertheless, this drive has approximately 76,885 power-on hours and an exceptionally severe SAS link-error history. The current evidence does not prove the NAND media is failing, but it does not support trusting the disk until the transport path is investigated.

Recommendation: Do not use it until the SAS cable, backplane, controller port, and related connections are checked. If the path is corrected and the counters stop increasing, restrict it to redundant, non-critical storage; never use it as a sole copy.

6 UNAS-Pro#

Array context: The data RAID5 (md3) reports all four members active ([UUUU]). The system RAID1 (md0) is clean but degraded, with 4 of 7 expected members active ([__UUUU_]).

6.1 Seagate Exos X12 ST12000NM0007-2A1101 — ZJV0NJJW#

Location: UNAS-Pro
Test date: 2026-09-17
Type: HDD
Model: ST12000NM0007-2A1101 (Seagate Exos X12)
Serial number: ZJV0NJJW
Capacity: 12 TB
Rotation rate: 7,200 rpm
Power-on hours: 67,878
SMART health: PASSED
Extended self-test: In progress; 90% remaining
Previous short self-test: Completed without error
SMART error log: No errors logged
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
Reported uncorrectable errors: 0
UDMA CRC errors: 0
Current temperature: 32 °C

Assessment: SMART health and all reported media/error counters are clean, with no logged errors or bad-sector indicators. The current extended test has not finished, so there is no final long-test result yet. The drive has high power-on time.

Recommendation:

6.2 Seagate Exos X12 ST12000NM0007-2A1101 — ZJV0PPDV#

Location: UNAS-Pro
Test date: 2026-09-17
Type: HDD
Model: ST12000NM0007-2A1101 (Seagate Exos X12)
Serial number: ZJV0PPDV
Capacity: 12 TB
Rotation rate: 7,200 rpm
Power-on hours: 68,414
SMART health: PASSED
Extended self-test: In progress; 90% remaining
Previous short self-test: Completed without error
SMART error log: No errors logged
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
Reported uncorrectable errors: 0
UDMA CRC errors: 0
Current temperature: 32 °C

Recommendation:

6.3 Seagate Exos X12 ST12000NM0007-2A1101 — ZJV0PNQD#

Location: UNAS-Pro
Test date: 2026-09-17
Type: HDD
Model: ST12000NM0007-2A1101 (Seagate Exos X12)
Serial number: ZJV0PNQD
Capacity: 12 TB
Rotation rate: 7,200 rpm
Power-on hours: 68,414
SMART health: PASSED
Extended self-test: In progress; 90% remaining
Previous short self-test: Completed without error
SMART error log: No errors logged
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
Reported uncorrectable errors: 0
UDMA CRC errors: 0
Current temperature: 32 °C

Recommendation:

6.4 Seagate IronWolf ST12000VN0008-2YS101 — ZRT097V5#

Location: UNAS-Pro
Test date: 2026-09-17
Type: HDD
Model: ST12000VN0008-2YS101 (Seagate IronWolf)
Serial number: ZRT097V5
Capacity: 12 TB
Rotation rate: 7,200 rpm
Power-on hours: 15,711
SMART health: PASSED
Extended self-test: In progress; 90% remaining
Previous short self-test: Completed without error
SMART error log: No errors logged
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
Reported uncorrectable errors: 0
UDMA CRC errors: 0
Current temperature: 33 °C

Recommendation:

7 UNVR#

Array context: The UNVR RAID1 and RAID5 arrays reported all four members active ([UUUU]) during inspection.

7.1 Western Digital Black WDC WD1003FZEX-00MK2A0 — WD-WCC3F1CPSRZ9#

Location: UNVR
Test date: 2026-09-17
Type: HDD
Model: WDC WD1003FZEX-00MK2A0 (Western Digital Black)
Serial number: WD-WCC3F1CPSRZ9
Capacity: 1 TB
Rotation rate: 7,200 rpm
Power-on hours: 56,637
SMART health: PASSED
Extended self-test: In progress; 90% remaining
Previous short self-tests: Completed without error
SMART error log: No errors logged
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
UDMA CRC errors: 1
Current temperature: 47 °C

Assessment: The reported media counters are clean and the previous short tests completed successfully. One interface CRC error is recorded, and the drive has very high power-on time. The current extended test has not finished, so there is no final long-test result yet.

Recommendation:

7.2 Western Digital Blue WDC WD10EZEX-75M2NA0 — WD-WCC3FKHLX848#

Location: UNVR
Test date: 2026-09-17
Type: HDD
Model: WDC WD10EZEX-75M2NA0 (Western Digital Blue)
Serial number: WD-WCC3FKHLX848
Capacity: 1 TB
Rotation rate: 7,200 rpm
Power-on hours: 32,318
SMART health: PASSED
Extended self-test: In progress; 90% remaining
Previous short self-tests: Completed without error
SMART error log: 49 device errors recorded
Reallocated sectors: 0
Current pending sectors: 0
Offline uncorrectable sectors: 0
UDMA CRC errors: 1,005,516
Current temperature: 50 °C

Assessment: The media counters are currently clean, but the drive has an exceptionally high UDMA CRC count and 49 recorded device errors. These indicators point to a serious historical interface or connection problem, not a clean disk record. The current extended test has not finished, so there is no final long-test result yet.

Recommendation:

7.3 Western Digital MB001000GWFWK — WMC6M0K0DTCT#

Location: UNVR
Test date: 2026-09-17
Type: HDD
Model: MB001000GWFWK
Serial number: WMC6M0K0DTCT
Capacity: 1 TB
Rotation rate: 7,200 rpm
Power-on hours: 54,314
SMART health: PASSED
Extended self-test: In progress; 90% remaining
SMART error log: 14 device errors recorded
Reallocated sectors: 0
Reallocation events: 0
Current temperature: 50 °C

Assessment: SMART reports PASSED and no reallocated sectors or reallocation events are recorded. However, this OEM drive has 14 device errors, does not expose the full set of standard SMART counters through the current tool, and the extended test is still in progress. The long-test result is not yet available.

Recommendation:

7.4 Western Digital MB001000GWFWK — WMC6M0KA40SA#

Location: UNVR
Test date: 2026-09-17
Type: HDD
Model: MB001000GWFWK
Serial number: WMC6M0KA40SA
Capacity: 1 TB
Rotation rate: 7,200 rpm
Power-on hours: 54,222
SMART health: PASSED
Extended self-test: In progress; 90% remaining
SMART error log: 16 device errors recorded
Reallocated sectors: 0
Reallocation events: 0
Current temperature: 51 °C

Assessment: SMART reports PASSED and no reallocated sectors or reallocation events are recorded. However, this OEM drive has 16 device errors, does not expose the full set of standard SMART counters through the current tool, and the extended test is still in progress. The long-test result is not yet available.

Recommendation: