[dm-devel] info on enabling only one path with rdac and DS4700

[Moger, Babu]

> -----Original Message-----
> From: Gianluca Cecchi [mailto:gianluca.cecchi at gmail.com]
> Sent: Monday, November 28, 2011 11:26 AM
> To: device-mapper development
> Subject: Re: [dm-devel] info on enabling only one path with rdac and
> DS4700
> 
> On Mon, Nov 28, 2011 at 6:01 PM, Moger, Babu wrote:
> >
> > Looks like there is something else going on here.
> >
> >>
> >> scsi 3:0:0:1: rdac: LUN 1 (unowned)
> >
> > This is when handler is loaded.  Looks like your passive paths were
> detected first.
> > >From now on, I/Os coming on to sdb will be silenced and will not got
> to target. That is not happening.
> >
> > What is the kernel level. I remember there was an issue. It was fixed
> later by this commit..
> > http://git.kernel.org/?p=linux/kernel/git/next/linux-
> next.git;a=commitdiff;h=5a36756b8b3d7178d9c101d1e2a7a83fd7b17706
> 
> 
> the kernel is latest from RH EL 5.7 + updates:
> 2.6.18-274.7.1.el5
> 
> I'm going to check with its kernel-source to see it the patch is
> applied or not...

RHEL 5.7 has the patch already as I know. You can check to be sure. Can you also add "scsi_mod.scsi_logging_level=5056" in kernel line to get more information on what else is going on. 

> 
> Gianluca
> 
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