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Date:      Sun, 26 Aug 2018 15:01:00 +0000
From:      ixbug@riseup.net
To:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   disk or cable error? (CAM status: ATA Status Error)
Message-ID:  <c9124cc8-7be9-a0ad-62f3-2ebebbd00a9b@riseup.net>

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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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