[dm-devel] Clariion CX600 automatic failback support
Brian Long
brilong at cisco.com
Thu Nov 3 20:55:54 UTC 2005
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 at 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 | ..:|||||||:...:|||||||:..
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