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1st ever disk read errors, extended SMART OK?


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Posted

I have been running an unRAID server for just shy of 7 years and last night for the first time I received an alert of some read errors on a disk.

 

disk 3 (WD Red 3TB) on my array shows 153 read errors.

 

I re-ran parity check as a precaution and no errors reported. I also ran an extended SMART test (attached) and the drive passed.

 

I would really appreciate advice on whether I restart the array to clear the errors or should I be looking at replacing the drive?

 

Thanks to all

 

 

tower-diagnostics-20200715-1846.zip WDC_WD30EFRX-68EUZN0_WD-WCC4N6PH4FP8-20200715-1838.txt

Posted

It was reported on the log as an actual media error, and SMART suggests the disk has seen better days, still and since the SMART test passed it's OK for now, but keep an eye on these attributes, if they keep increasing it will likely fail again soon:

 

ID# ATTRIBUTE_NAME          FLAGS    VALUE WORST THRESH FAIL RAW_VALUE
  1 Raw_Read_Error_Rate     POSR-K   200   200   051    -    501
200 Multi_Zone_Error_Rate   ---R--   200   200   000    -    41

P.S. you also have an issue with on one of your cache devices (cache1)

 

Jun 20 23:10:51 Tower kernel: sd 7:0:2:0: [sdj] tag#5577 CDB: opcode=0x28 28 00 07 8b 60 68 00 00 28 00
Jun 20 23:10:51 Tower kernel: scsi target7:0:2: handle(0x000b), sas_address(0x4433221102000000), phy(2)
Jun 20 23:10:51 Tower kernel: scsi target7:0:2: enclosure logical id(0x500605b005d921f0), slot(2)
Jun 20 23:10:51 Tower kernel: sd 7:0:2:0: task abort: SUCCESS scmd(00000000f0051dde)
Jun 20 23:10:51 Tower kernel: sd 7:0:2:0: attempting task abort! scmd(00000000c3de18bf)
Jun 20 23:10:51 Tower kernel: sd 7:0:2:0: [sdj] tag#5576 CDB: opcode=0x28 28 00 07 8b 60 40 00 00 20 00
Jun 20 23:10:51 Tower kernel: scsi target7:0:2: handle(0x000b), sas_address(0x4433221102000000), phy(2)
Jun 20 23:10:51 Tower kernel: scsi target7:0:2: enclosure logical id(0x500605b005d921f0), slot(2)
Jun 20 23:10:51 Tower kernel: sd 7:0:2:0: task abort: SUCCESS scmd(00000000c3de18bf)
Jun 20 23:10:51 Tower kernel: sd 7:0:2:0: Power-on or device reset occurred
Jun 20 23:10:51 Tower kernel: repair_io_failure: 5 callbacks suppressed
Jun 20 23:10:51 Tower kernel: BTRFS info (device sdj1): read error corrected: ino 2781520 off 1757184 (dev /dev/sdj1 sector 275203400)
Jun 20 23:10:51 Tower kernel: BTRFS info (device sdj1): read error corrected: ino 253968 off 11206307840 (dev /dev/sdj1 sector 70707144)
Jun 20 23:10:51 Tower kernel: BTRFS info (device sdj1): read error corrected: ino 253968 off 11206438912 (dev /dev/sdj1 sector 70919640)
Jun 20 23:10:51 Tower kernel: BTRFS info (device sdj1): read error corrected: ino 253968 off 11206324224 (dev /dev/sdj1 sector 70768960)
Jun 20 23:10:51 Tower kernel: BTRFS info (device sdj1): read error corrected: ino 253968 off 11206303744 (dev /dev/sdj1 sector 70605544)
Jun 20 23:10:51 Tower kernel: BTRFS info (device sdj1): read error corrected: ino 253968 off 11686825984 (dev /dev/sdj1 sector 126595704)
Jun 20 23:10:51 Tower kernel: BTRFS info (device sdj1): read error corrected: ino 253968 off 11687796736 (dev /dev/sdj1 sector 126575096)
Jun 20 23:10:51 Tower kernel: BTRFS info (device sdj1): read error corrected: ino 253968 off 11206344704 (dev /dev/sdj1 sector 70877376)
Jun 20 23:10:51 Tower kernel: BTRFS info (device sdj1): read error corrected: ino 253968 off 11206340608 (dev /dev/sdj1 sector 70872680)
Jun 20 23:10:51 Tower kernel: BTRFS info (device sdj1): read error corrected: ino 253968 off 11206299648 (dev /dev/sdj1 sector 70445032)

 

Replace cables or connect it to a different controller.

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