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RE: [dm-devel] Clariion CX600 automatic failback support



On Thu, 2005-11-03 at 13:16 -0500, goggin, edward wrote:
> On Date: Thu, 3 Nov 2005 14:58:36 +0100
> Christophe Varoqui <christophe varoqui free fr> wrote
> 
> > > Once the distributors pick up both this single line change and the
> > > change in hwtable.c, immediate path group failback for CLARiiON
> > > will just work.
> > > 
> > > -------------------------------------------------------------------
> > > diff --git a/multipathd/main.c b/multipathd/main.c
> > > --- a/multipathd/main.c
> > > +++ b/multipathd/main.c
> > > @@ -146,6 +146,7 @@ adopt_paths (struct vectors * vecs, stru
> > >  		if (!strncmp(mpp->wwid, pp->wwid, WWID_SIZE)) {
> > >  			condlog(4, "%s ownership set", pp->dev_t);
> > >  			pp->mpp = mpp;
> > > +			mpp->hwe = pp->hwe;
> > >  		}
> > >  	}
> > >  }
> > > 
> > Upstream has had a patch for that. It plug the mpp->hwe refresh in
> > setup_multipath().
> > 
> > Can you check it has no regression wrt your suggested fix ?
> > 
> > Regards,
> > cvaroqui
> 
> Looks good, except the call to extract_hwe_from_path in setup_multipath
> must be before the call to select_pgfailback.

Ed,

So it sounds like I need Red Hat to issue me a hotfix for device-mapper-
multipath that includes the upstream patch or your patch for get
Clariion fallback working properly.

I'll ask Red Hat about this in my existing support case.

/Brian/

-- 
       Brian Long                      |         |           |
       IT Data Center Systems          |       .|||.       .|||.
       Cisco Linux Developer           |   ..:|||||||:...:|||||||:..
       Phone: (919) 392-7363           |   C i s c o   S y s t e m s


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