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)
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
