From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alasdair G Kergon Subject: Re: [RFC][PATCH] Handle multipath paths in a path group properly during pg_init (was "RE: DM does not activate the paths if there are more than one path in path group during failover") Date: Fri, 14 Nov 2008 00:12:05 +0000 Message-ID: <20081114001205.GQ30569@agk.fab.redhat.com> References: <1225944321.14830.1109.camel@chandra-ubuntu> <20081111005920.GN16649@agk.fab.redhat.com> <1226620138.8998.64.camel@chandra-ubuntu> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1226620138.8998.64.camel@chandra-ubuntu> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: sekharan@us.ibm.com Cc: Mike Anderson , device-mapper development , Mike Christie , "linux-scsi@vger.kernel.org" List-Id: linux-scsi@vger.kernel.org On Thu, Nov 13, 2008 at 03:48:58PM -0800, Chandra Seetharaman wrote: > The problem reported by Moger Babu was caused due to the architectural > change made when we moved from dm hardware handler to SCSI hardware > handler. pg_init is single initialisation for the group. It only needs to happen on one path. It sounds to me that what you're adding here is a *per-path* initialisation, something *separate* from (and additional to) the existing *per-group* pg_init. Has this patch been tested on EMC? Alasdair -- agk@redhat.com