From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Little Subject: Re: Fw: Multipath and SAN Fabric failover Date: Thu, 14 Sep 2006 08:08:41 -0400 Message-ID: <20060914080841.25106efd@localhost> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: dm-devel@redhat.com List-Id: dm-devel.ids dm-devel-bounces@redhat.com wrote on 09/10/2006 03:23:55 PM: > Heya, > > Just to make sure that I've covered everything I partitioned the > > disk as /dev/sdc and then used lvm2 command: > > > sorry, I've missed that before. /dev/sdc is only _one_ of your paths > to a LUN. multipath will take the right 2 of those sd* to create one > dm device file. Have a look if there's somethign in /dev/mapper, also > check your udev rules, you need this line in there: > > KERNEL=="dm-[0-9]*", PROGRAM="/sbin/devmap_name %M %m", NAME="%k", > SYMLINK="%c" > > most distros have a line like > #KERNEL=="dm-[0-9]*", NAME="" > in there, you need to comment it out if you add the lien above. > > > Hope that helped, > > best regards > > Bernd Zeimetz Bernd, I haven't had a chance to work on this for a couple of days but I did get do some reading. I'm wondering if I'm using the correct driver for this. I have been trying to use the QLogic driver shipped with SLES. Should I be using the non-EMC driver from the Qlogic website? Regards, John