disk or cable error? (CAM status: ATA Status Error)

[Philipp Vlassakakis]

Hi,

What are the SMART values of the hard disks? 
High "Reallocated Sectors Count" or anything else? 

I would change the cable and run a SMART-Test on both disks.
Also make sure you have recent backups.

Regards,


> On 26. Aug 2018, at 17:01, ixbug at riseup.net wrote:
> 
> Hello,
> 
> since 3 days I get these errors on my FreeBSD 11.2 server
> which has two (WDC WD1005FBYZ-01YCBB2) disks (ZFS mirror):
> 
> (ada1:ahcich1:0:0:0): WRITE_FPDMA_QUEUED. ACB: 61 08 90 a4 aa 40 1d 00 00 00 00 00
> (ada1:ahcich1:0:0:0): CAM status: ATA Status Error
> (ada1:ahcich1:0:0:0): ATA status: 41 (DRDY ERR), error: 10 (IDNF )
> (ada1:ahcich1:0:0:0): RES: 41 10 90 a4 aa 00 1d 00 00 00 00
> (ada1:ahcich1:0:0:0): Retrying command
> (ada0:ahcich0:0:0:0): WRITE_FPDMA_QUEUED. ACB: 61 60 38 7e 06 40 2e 00 00 00 00 00
> (ada0:ahcich0:0:0:0): CAM status: ATA Status Error
> (ada0:ahcich0:0:0:0): ATA status: 41 (DRDY ERR), error: 10 (IDNF )
> (ada0:ahcich0:0:0:0): RES: 41 10 38 7e 06 00 2e 00 00 00 00
> (ada0:ahcich0:0:0:0): Retrying command
> 
> note that both affect both disks (ada0 + ada1).
> 
> frequency: about 30 times per day.
> 
> zpool status is fine.
> 
> 
> since last night also smartctl complains:
> 
> smartctl -a /dev/ada0  (ada1 followed 6 hours later with the same output)
> output:
> "
> Error 1 occurred
>  When the command that caused the error occurred, the device was in an unknown state.
> 
>  After command completion occurred, registers were:
>  ER ST SC SN CL CH DH
>  -- -- -- -- -- -- --
>  04 51 00 00 00 00 00  Error: ABRT
> 
>  Commands leading to the command that caused the error were:
>  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
>  -- -- -- -- -- -- -- --  ----------------  --------------------
> 
> "
> 
> Do any of these errors provide hints as to whether this is a disk error affecting both at the same time
> or broken cable? (both disks are connected to the mainboard via the same cable)
> 
> 
> thanks in advance,
> ixbug
> 
> 
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