[Lustre-discuss] sgpdd-survey provokes DID_BUS_BUSY on an SFA10K

Bernd Schubert bs_lists at aakef.fastmail.fm
Fri Oct 22 04:34:34 PDT 2010


On Friday, October 22, 2010, Michael Kluge wrote:
> Hi list,
> 
> DID_BUS_BUSY means that the controller is unable to handle the SCSI
> command and is basically asking the host to send it again later. I had I
> think just one concurrent region and 32 threads running. What would be
> the appropriate action in this case? Reducing the queue depth on the
> HBA? We have Qlogic here, there is an option for the kernel module for
> this.

I think you run into a known issue with the Q-Logic driver an the SFA10K. You 
will need at least qla2xxx version 8.03.01.06.05.06-k. And the optimal numbers 
of commands is likely to be 16 (with 4 OSS connected).


Hope it helps,
Bernd

-- 
Bernd Schubert
DataDirect Networks



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