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Forum Discussion
SMART self-assessment test
Hi,
My fourth disk did fail, so I did change it for a new and fresh one. But since the change I have started to get nightly event that the disk4 (which was swapped) does not pass the SMART self-assessment test. The disk is working and the X-RAID is complete and there is no problem in the system, only this event that now occurs on regular basis (I guess the SMART check is done every night at 0400).
The event;
"Disk 4 did not pass SMART self-assessment test. Please replace this disk as soon as possible. Growing SMART errors indicate a disk that may fail soon. If the errors continue to increase, you should be prepared to replace the disk."
When checking the SMART info, there is nothing that would indicate any issues with this disk, so I don't know really if the SMART test is correct, or if the disk is really failing.
Any clues what could go on, or is it better to just change the disk?
Thinking that the NAS HW starting to be well over 5-6 years old (don't even remember when I did buy it), maybe there could be something else than the disks? it has been running 24/7 since I got it. (not with the same disks of course)
Regards,
Sebastian
Hardware and disk info below:
Hardware:
Model: ReadyNAS NV+ [X-RAID]
Firmware: RAIDiator 4.1.12 [1.00a043]
Memory: 256 MB [2.5-3-3-7]
Volume C: Online, X-RAID, 4 disks, 61% of 5555 GB used
Harddisks / SMART status:
Device Description Status
Disk 1 Seagate ST32000542AS 1862 GB , 36 C / 96 F , Write-cache ON OK
Disk 2 WDC WD20EARX-00PASB0 1862 GB , 39 C / 102 F , Write-cache ON OK
Disk 3 Seagate ST2000DL003-9VT166 1862 GB , 39 C / 102 F , Write-cache ON OK
Disk 4 Seagate ST32000542AS 1862 GB , 37 C / 98 F , Write-cache ON OK
Disk4:
SMART Information for Disk 4
Model: ST32000542AS
Serial: 6XW02KTX
Firmware: CC34
SMART Attribute
Spin Up Time 0
Start Stop Count 4
Reallocated Sector Count 3975
Power On Hours 986
Spin Retry Count 0
Power Cycle Count 4
Runtime Bad Block 0
End-to-End Error 0
Reported Uncorrect 1
Command Timeout 6
High Fly Writes 0
Airflow Temperature Cel 37
Temperature Celsius 37
Current Pending Sector 0
Offline Uncorrectable 0
UDMA CRC Error Count 0
Head Flying Hours 124687195571170
Total LBAs Written 3321442352
Total LBAs Read 1859460123
ATA Error Count 0
Extended Attribute
Hot-add events 0
Hot-remove events 0
Lp stat events 57
Power glitches 0
Hard disk resets 0
Retries 0
Repaired sectors 0
My fourth disk did fail, so I did change it for a new and fresh one. But since the change I have started to get nightly event that the disk4 (which was swapped) does not pass the SMART self-assessment test. The disk is working and the X-RAID is complete and there is no problem in the system, only this event that now occurs on regular basis (I guess the SMART check is done every night at 0400).
The event;
"Disk 4 did not pass SMART self-assessment test. Please replace this disk as soon as possible. Growing SMART errors indicate a disk that may fail soon. If the errors continue to increase, you should be prepared to replace the disk."
When checking the SMART info, there is nothing that would indicate any issues with this disk, so I don't know really if the SMART test is correct, or if the disk is really failing.
Any clues what could go on, or is it better to just change the disk?
Thinking that the NAS HW starting to be well over 5-6 years old (don't even remember when I did buy it), maybe there could be something else than the disks? it has been running 24/7 since I got it. (not with the same disks of course)
Regards,
Sebastian
Hardware and disk info below:
Hardware:
Model: ReadyNAS NV+ [X-RAID]
Firmware: RAIDiator 4.1.12 [1.00a043]
Memory: 256 MB [2.5-3-3-7]
Volume C: Online, X-RAID, 4 disks, 61% of 5555 GB used
Harddisks / SMART status:
Device Description Status
Disk 1 Seagate ST32000542AS 1862 GB , 36 C / 96 F , Write-cache ON OK
Disk 2 WDC WD20EARX-00PASB0 1862 GB , 39 C / 102 F , Write-cache ON OK
Disk 3 Seagate ST2000DL003-9VT166 1862 GB , 39 C / 102 F , Write-cache ON OK
Disk 4 Seagate ST32000542AS 1862 GB , 37 C / 98 F , Write-cache ON OK
Disk4:
SMART Information for Disk 4
Model: ST32000542AS
Serial: 6XW02KTX
Firmware: CC34
SMART Attribute
Spin Up Time 0
Start Stop Count 4
Reallocated Sector Count 3975
Power On Hours 986
Spin Retry Count 0
Power Cycle Count 4
Runtime Bad Block 0
End-to-End Error 0
Reported Uncorrect 1
Command Timeout 6
High Fly Writes 0
Airflow Temperature Cel 37
Temperature Celsius 37
Current Pending Sector 0
Offline Uncorrectable 0
UDMA CRC Error Count 0
Head Flying Hours 124687195571170
Total LBAs Written 3321442352
Total LBAs Read 1859460123
ATA Error Count 0
Extended Attribute
Hot-add events 0
Hot-remove events 0
Lp stat events 57
Power glitches 0
Hard disk resets 0
Retries 0
Repaired sectors 0
4 Replies
- A reallocated sector count of ~4000 is very bad. The drive needs to be replaced.
- Yes it needs to be replaced.
Also, in the SMART stats for disk 3 what firmware is mentioned? - Hi,
Thanks. Will replace.
The info about disk3 is here;
SMART Information for Disk 3
Model: ST2000DL003-9VT166
Serial: 5YD7WYN8
Firmware: CC3C
SMART Attribute
Spin Up Time 0
Start Stop Count 19
Reallocated Sector Count 0
Power On Hours 8625
Spin Retry Count 0
Power Cycle Count 19
Runtime Bad Block 0
End-to-End Error 0
Reported Uncorrect 0
Command Timeout 2
High Fly Writes 0
Airflow Temperature Cel 40
G-Sense Error Rate 0
Power-Off Retract Count 18
Load Cycle Count 19
Temperature Celsius 40
Current Pending Sector 0
Offline Uncorrectable 0
UDMA CRC Error Count 0
Head Flying Hours 116861765165489
Total LBAs Written 2983353308
Total LBAs Read 964980276
ATA Error Count 0
Extended Attribute
Hot-add events 0
Hot-remove events 0
Lp stat events 2125
Power glitches 0
Hard disk resets 0
Retries 0
Repaired sectors 0
Regards,
Sebastian
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