I have got a reproducible test case for this.
It seems that SCSI layer returns DID_BUS_BUSY many times when 'conn error
(1011)' is seen.
for p in `ls /dev/sd*`
do
dd if=$p of=/dev/zero count=10000 &
done
wait
# ./io-script
10000+0 records in
10000+0 records out
5120000 bytes (5.1 MB) copied, 0.177076 seconds, 28.9 MB/s
....
dd: reading `/dev/sdaa8': Input/output error
2976+0 records in
2976+0 records out
Dec 14 11:15:12 cdc-r710s3 iscsid: Kernel reported iSCSI connection 1:0 error
(1011) state (3)
Dec 14 11:15:13 cdc-r710s3 kernel: connection2:0: detected conn error (1011)
Dec 14 11:15:13 cdc-r710s3 iscsid: connection2:0 is operational after recovery
(1 attempts)
Dec 14 11:15:13 cdc-r710s3 iscsid: Kernel reported iSCSI connection 2:0 error
(1011) state (3)
Dec 14 11:15:14 cdc-r710s3 kernel: connection1:0: detected conn error (1011)
...
Dec 14 11:15:14 cdc-r710s3 kernel: sd 9:0:0:13: SCSI error: return code =
0x00020000 <== DID_BUS_BUSY
Dec 14 11:15:14 cdc-r710s3 kernel: end_request: I/O error, dev sdaa, sector 2976
I am unable to upload ethereal on
http://groups-beta.google.com/group/open-iscsi/files
Regards,
Anurag
--- On Fri, 12/11/09, Anuarg Vora <anurag_vo...@yahoo.com> wrote:
> From: Anuarg Vora <anurag_vo...@yahoo.com>
> Subject: Re: SLES10 SP3 x86_64 - connection2:0: detected conn error (1011)
> To: open-iscsi@googlegroups.com
> Date: Friday, December 11, 2009, 12:22 AM
> Sorry, I do not see an upload option
> for me even after (signing-in).
> How to upload ?
>
> --- On Thu, 12/10/09, Mike Christie <micha...@cs.wisc.edu>
> wrote:
>
> > From: Mike Christie <micha...@cs.wisc.edu>
> > Subject: Re: SLES10 SP3 x86_64 - connection2:0:
> detected conn error (1011)
> > To: open-iscsi@googlegroups.com
> > Date: Thursday, December 10, 2009, 11:39 PM
> > Anuarg Vora wrote:
> > > I did sent the ethereal trace yesterday.
> > > I am not sure why it didn't reach, is there any
> place
> > I can upload it ?
> > >
> >
> > http://groups-beta.google.com/group/open-iscsi/files
> >
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