From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx03.extmail.prod.ext.phx2.redhat.com [10.5.110.7]) by int-mx03.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id n81NYlBR013370 for ; Tue, 1 Sep 2009 19:34:47 -0400 Received: from e1.ny.us.ibm.com (e1.ny.us.ibm.com [32.97.182.141]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n81NYUqv023475 for ; Tue, 1 Sep 2009 19:34:30 -0400 Received: from d01relay06.pok.ibm.com (d01relay06.pok.ibm.com [9.56.227.116]) by e1.ny.us.ibm.com (8.14.3/8.13.1) with ESMTP id n81NY0Rs003226 for ; Tue, 1 Sep 2009 19:34:00 -0400 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d01relay06.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id n81NYMNF2625782 for ; Tue, 1 Sep 2009 19:34:22 -0400 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n81NYM5L020019 for ; Tue, 1 Sep 2009 17:34:22 -0600 Received: from [9.47.17.98] (chandra-ubuntu.beaverton.ibm.com [9.47.17.98]) by d03av02.boulder.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id n81NYLXP019970 for ; Tue, 1 Sep 2009 17:34:21 -0600 Subject: Re: [linux-lvm] Does LVM have any multipath failover capabilities? From: Chandra Seetharaman In-Reply-To: References: Date: Tue, 01 Sep 2009 16:34:27 -0700 Message-Id: <1251848067.9444.8.camel@chandra-ubuntu> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Reply-To: sekharan@linux.vnet.ibm.com, LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii" To: LVM general discussion and development On Tue, 2009-09-01 at 17:27 -0600, Chris Worley wrote: > For example, two iSCSI drives are actually the same drive provided via > two different subnets: if one of the drives becomes unresponsive, I > need LVM to seamlessly failover to the other one. > > Otherwise, what's the right way to handle this? Build lvm on top of a multipathed device (which comprises of the two paths), with a priority callout that gives higher priority to one path than the other. > > Thanks, > > Chris > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/