Re: aic94xx driver woes continued

["Raoul Bhatia [IPAX]" <r.bhatia@ipax.at>]

Raoul Bhatia [IPAX] wrote:
 > James Bottomley wrote:
 >> This is all normal.  Seagate drives are known for throwing protocol
 >> errors under stress at certain revs of firmware.  That's what
 >> REQ_TASK_ABORT, reason=0x6 is.
 >>
 >> Your logs indicate that the recovery occurred correctly (as in all tasks
 >> were eventually retried), so it doesn't show an actual problem.
 >
 > ok, i already filed a trouble ticket at seagate - lets see if they
 > provide a firmware update for the disks. afaik mine is "firmware 0002"
 >
 >>> sometimes even a disk is kicked out of the raid configuration.
 >>
 >> This would be abnormal, if you have a log of this, could you post it.  I
 >> assume it was because of I/O errors?
 >
 > i attached a bigger syslog file (.gz format).
 >
 > the errors look like:
 >> syslog.1.gz:Mar 11 06:25:08 db-ipax-164 kernel: raid1: Disk failure on
 >> sda1, disabling device. syslog.1.gz:Mar 11 06:25:01 db-ipax-164
 >> kernel: raid10: Disk failure on sda7, disabling device.
 >> syslog.1.gz:Mar 10 18:13:25 db-ipax-164 kernel: raid10: Disk failure
 >> on sda3, disabling device. syslog.1.gz:Mar 10 18:13:23 db-ipax-164
 >> kernel: raid10: Disk failure on sda9, disabling device.
 >> syslog.1.gz:Mar 10 18:13:23 db-ipax-164 kernel: raid10: Disk failure
 >> on sda8, disabling device. syslog.1.gz:Mar 10 18:13:23 db-ipax-164
 >> kernel: raid10: Disk failure on sda5, disabling device. syslog.0:Mar
 >> 18 18:30:48 db-ipax-164 kernel: raid10: Disk failure on sdd5,
 >> disabling device. syslog.0:Mar 18 18:27:18 db-ipax-164 kernel: raid10:
 >> Disk failure on sdd8, disabling device.
 >
 > i will test the device for itself to see if it has errors.

ok, the first thing i notice is, that smart reports a lot of errors.

 > Device: SEAGATE  ST373455SS       Version: 0002
 > Serial number: 3LQ2591D00009819ULUZ
 > Device type: disk
 > Transport protocol: SAS
 > Local Time is: Thu Mar 20 20:15:45 2008 CET
 > Device supports SMART and is Enabled
 > Temperature Warning Enabled
 > SMART Health Status: OK
 > ...
 > Error counter log:
 >            Errors Corrected by           Total   Correction 
Gigabytes    Total
 >                ECC          rereads/    errors   algorithm 
processed    uncorrected
 >            fast | delayed   rewrites  corrected  invocations   [10^9 
bytes]  errors
 > read:     110937        0         0    110937     110937 
170.275           0
 > write:         0        0         0         0          0 
187651578.045           0


i will try to upgrade to a new version of smartctl - maybe this will
reveal more information.

cheers,
raoul
-- 
____________________________________________________________________
DI (FH) Raoul Bhatia M.Sc.          email.          r.bhatia@ipax.at
Technischer Leiter

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