From mboxrd@z Thu Jan  1 00:00:00 1970
From: malahal@us.ibm.com
Subject: Re: NIC and HBA based multipathing
Date: Tue, 6 Nov 2007 18:59:35 -0800
Message-ID: <20071107025935.GA22697@us.ibm.com>
References: <5fb0f77b0710301040l4eeca0a7n2ccdc00b14285294@mail.gmail.com>
	<342d47870710301211y42200594u444b7af7ae870e7@mail.gmail.com>
	<472A2EA5.8050609@cs.wisc.edu>
	<342d47870711011321j1ff065c3jb54589988f3c499f@mail.gmail.com>
	<20071101215726.GB11002@linux.vnet.ibm.com>
	<342d47870711061308p77655083y7ac30a9e9e2a3b72@mail.gmail.com>
	<20071106222043.GA23178@linux.vnet.ibm.com>
	<342d47870711061433h6dce42baj705aca5ae7baa466@mail.gmail.com>
	<20071106230157.GA23800@linux.vnet.ibm.com>
	<342d47870711061746s64daeaa0wcb6adf060506686c@mail.gmail.com>
Reply-To: device-mapper development <dm-devel@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <dm-devel-bounces@redhat.com>
Content-Disposition: inline
In-Reply-To: <342d47870711061746s64daeaa0wcb6adf060506686c@mail.gmail.com>
List-Unsubscribe: <https://www.redhat.com/mailman/listinfo/dm-devel>,
	<mailto:dm-devel-request@redhat.com?subject=unsubscribe>
List-Archive: <https://www.redhat.com/archives/dm-devel>
List-Post: <mailto:dm-devel@redhat.com>
List-Help: <mailto:dm-devel-request@redhat.com?subject=help>
List-Subscribe: <https://www.redhat.com/mailman/listinfo/dm-devel>,
	<mailto:dm-devel-request@redhat.com?subject=subscribe>
Sender: dm-devel-bounces@redhat.com
Errors-To: dm-devel-bounces@redhat.com
To: Scott Moseman <scmoseman@gmail.com>
Cc: device-mapper development <dm-devel@redhat.com>
List-Id: dm-devel.ids

On redhat, there is a script (can't recollect but rc.sysinit, I believe)
that creates this without multipathd.  You do need multipathd though for
renaming/creating/acting on multipath events there after.

Thanks, Malahal.

Scott Moseman [scmoseman@gmail.com] wrote:
> On Nov 6, 2007 5:01 PM, Mike Anderson <andmike@linux.vnet.ibm.com> wrote:
> >
> > > > > # mount /dev/sdb1 /sanHBA
> > > > > mount: /dev/sdb1 already mounted or /sanHBA busy
> >
> > Are there any dm messages in the dmesg output?
> >
> > Are you sure dm multipath did not grab the device(s) on boot?
> >
> > What is the output of multipath -l?
> >
> 
> # multipath -l
> 30690a018f015191a6472441d1500f057
> [size=4 GB][features="0"][hwhandler="0"]
> \_ round-robin 0 [active]
>  \_ 1:0:1:0 sdb 8:16 [active]
> 
> I guess that might explain it, huh?  However, I disabled the service...
> 
> # service multipathd status
> multipathd is stopped
> 
> So I was assuming that it wasn't going to be firing up.  Obviously I'm
> missing something.
> 
> Thanks!
> Scott
> 
> --
> dm-devel mailing list
> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel