From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Subject: Re: [linux-lvm] LVM with multi-path disks? From: Michael Lausch In-Reply-To: <20010805202558.A13863@colombina.comedia.it> References: <3B6B30C4.B4427F3D@cup.hp.com> <20010804174049.B564@colombina.comedia.it> <20010805022800.A26419@vestdata.no> <20010805091201.A4490@colombina.comedia.it> <20010805003257.A2728@glines.org> <20010805095811.A4626@colombina.comedia.it> <3B6D85EB.4AFF6D2D@cup.hp.com> <20010805202558.A13863@colombina.comedia.it> Content-Transfer-Encoding: 7bit Date: 05 Aug 2001 20:48:23 +0200 Message-Id: <997037304.3166.3.camel@loki.lausch.at> Mime-Version: 1.0 Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: List-Id: Content-Type: text/plain; charset="us-ascii" To: linux-lvm@sistina.com On 05 Aug 2001 20:25:58 +0200, Luca Berra wrote: > On Sun, Aug 05, 2001 at 10:44:11AM -0700, John DeFranco wrote: > > I'm not certain exactly how I would use md in this > > context, and I'm not sure that I really want to since > > I'm using hw raid. > LVM does NOT have support for multipath. > in *redhat* kernels there is a patch that adds multipath support > to the md driver, you configure it as a raid-1 array, but it is > actually a multipath configuration. > it is the only way i know of doing what you want. > > btw. i never tried this, i have an XP512 but i don't have a fc > card supported by linux on intel (should i tri with pa-linux?) The qlogic fibrechannel cards worke fine with an XP256 on HP lpr1000 servers (just for testing). There even exists a utility to show the CDEV,LDEV of the LUN disks, so that it's not so easy to steal another server's disk. > > L. > > -- > Luca Berra -- bluca@comedia.it > Communication Media & Services S.r.l. > /"\ > \ / ASCII RIBBON CAMPAIGN > X AGAINST HTML MAIL > / \ > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html