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My comments are below. -----Original
Message----- From:
dm-devel-bounces@xxxxxxxxxx [mailto:dm-devel-bounces@xxxxxxxxxx]
On Behalf Of Mike Christie Sent:
Thursday, March 30, 2006 2:45 PM To:
device-mapper development Cc:
Ryan O'Hara Subject:
Re: Fwd: IO error on DM device Jonathan
E Brassow wrote: >
>
Another observation is that we are not seeing any IO errors when the >
same test is executed on SLES9 SP3/SP4. >
[Murthy]
our other team has seen the error on SLES9 too. The Qlogic driver is same
as RHEL ones, so we have to see similar behaviour. I
think Ryan's post is correct, but I wonder why the SLES9 is not returning
errors. Was the SLES statement referring to the scsi errors you see in the log
like this:
Feb 1 11:47:45 apwtest52 kernel: SCSI error : <3 0 0 1> return code
= 0x20000 or
the dm-multipath and block layer messages Feb 1 11:48:40 apwtest52 kernel: device-mapper:
dm-multipath: Failing
path 8:32.
Feb 1 11:48:40 apwtest52 kernel: Buffer I/O error on device dm-0,
logical block 116940 u or
both? Do
you have the same dm-multipath settings (queue if no path, etc)? [Murthy] yes Is
this is the qlogic qla2xxx driver? [Murthy] yes Are
there qlogic guys on the list that would know if there are any differences
between the SLES and RHEL drivers or are we going to have to dig in there? Are
there differences between the SLES and RHEL dm multipath drivers? Does this
occur with the upstream kernel? -- dm-devel
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