From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: Re: DS4000 with multipath-tools 0.4.5 Date: Thu, 18 Jan 2007 08:05:38 +0100 Message-ID: <45AF1C42.8050304@suse.de> References: Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: device-mapper development List-Id: dm-devel.ids TGrozev@mohegansun.com wrote: > I compiled it, and it's working good. The only thing is, when I query t= he=20 > priority of a drive, I'm getting "Auto-volume Transfer not enabled": >=20 > --- > # ./mpath_prio_tpc /dev/sdc > Auto-volume Transfer not enabled6 >=20 > # ./mpath_prio_tpc /dev/sdd > Auto-volume Transfer not enabled1 > --- >=20 > I seem to be getting 6 for my preferred path and 1 for standby, which i= s=20 > good. Is AVT required, or can I still use mpath_prio_tcp? > I have multiple nodes of a Linux Cluster accessing the LUNs, so AVT has= to=20 > be disabled. >=20 Unfortunately the current multipath-tools do not handle RDAC mode. You'll need a specific hardware handler to do this properly. Mike Christie once did some work on it, but I'm not sure if it made it into RHEL. We will be adding support for it for SLES10 SP1, so you might get lucky with that. Cheers, Hannes --=20 Dr. Hannes Reinecke hare@suse.de SuSE Linux Products GmbH S390 & zSeries Maxfeldstra=DFe 5 +49 911 74053 688 90409 N=FCrnberg http://www.suse.de