From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: scsi_dh_alua: Retry the check-condition in case Mode Parameters Changed Date: Tue, 10 Jan 2012 15:50:40 -0500 Message-ID: <20120110205040.GA7632@redhat.com> References: <47D23AD8469A2B448F33C24BD7A39BD910D14606@RTPMVEXC1-PRD.hq.netapp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mx1.redhat.com ([209.132.183.28]:53473 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756672Ab2AJUvZ (ORCPT ); Tue, 10 Jan 2012 15:51:25 -0500 Content-Disposition: inline In-Reply-To: <47D23AD8469A2B448F33C24BD7A39BD910D14606@RTPMVEXC1-PRD.hq.netapp.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "Moger, Babu" Cc: linux-scsi@vger.kernel.org, dm-devel@redhat.com, JBottomley@Parallels.com On Wed, Dec 21 2011 at 6:01pm -0500, Moger, Babu wrote: > This patch adds a check-condition in scsi_dh_alua handler for a retry. > Sometimes, > I have seen attach failing due to this check-condition with following > error > messages on NetApp E series storage. > > Dec 7 15:31:01 nilgiris kernel: [102979.696673] scsi 3:0:2:9: alua: > port group 00 rel port 01 > Dec 7 15:31:01 nilgiris kernel: [102979.697082] scsi 3:0:2:9: alua: > rtpg failed with 8000002 > Dec 7 15:31:01 nilgiris kernel: [102979.697086] scsi 3:0:2:9: alua: > rtpg sense code 06/2a/01 > Dec 7 15:31:01 nilgiris kernel: [102979.697088] scsi 3:0:2:9: alua: not > attached > > Signed-off-by: Babu Moger Babu, this patch is malformed due to line wrapping. Please repost with my: Acked-by: Mike Snitzer