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

Michael Kluge Michael.Kluge at tu-dresden.de
Fri Oct 22 01:48:57 PDT 2010


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.


Regards, Michael

-- 

Michael Kluge, M.Sc.

Technische Universität Dresden
Center for Information Services and
High Performance Computing (ZIH)
D-01062 Dresden
Germany

Contact:
Willersbau, Room A 208
Phone:  (+49) 351 463-34217
Fax:    (+49) 351 463-37773
e-mail: michael.kluge at tu-dresden.de
WWW:    http://www.tu-dresden.de/zih
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