From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 7 Aug 2001 07:23:27 +0200 From: =?iso-8859-1?Q?Ragnar_Kj=F8rstad?= Subject: Re: [linux-lvm] LVM with multi-path disks? Message-ID: <20010807072327.A10691@vestdata.no> 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> <20010805234715.A30768@vestdata.no> <20010806184631.B31054@ultraviolet.org> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20010806184631.B31054@ultraviolet.org>; from Tracy R Reed on Mon, Aug 06, 2001 at 06:46:31PM -0700 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="iso-8859-1" To: linux-lvm@sistina.com On Mon, Aug 06, 2001 at 06:46:31PM -0700, Tracy R Reed wrote: > On Sun, Aug 05, 2001 at 11:47:16PM +0200, Ragnar Kj=EF=BF=BDrstad wrote: > > If I remember correctly, you configure as "multipath" not "raid1".=20 >=20 > Cool! I think I've heard about this patch once before. I will have to give > it a try. Dual-pathing is something we have been wanting for a long time. > Do you think this patch something that is likely to one day be merged with > the kernel such that we can count on it being with us for a while? I'm just speculating but I can't see why not? Except for LVM implementing mutlipath and making it obsolete, of course. > Does anyone know of any driver for Clariion based disk arrays? I don't > think the Sun T3 uses Clariion does it? We have a ton (many tons, > literally :) that we are currently using with Solaris that we would love > to be able to attach to Linux systems. These things are hardware RAID > arrays with dual RAID controllers in them. When one RAID controller fails > something special has to be done to transfer the LUNs from the dead > controller over to the live one. They call this "ATF" or "Automatic > Transparent Failover" and they don't seem to ship it for Linux. Only NT > and Solaris. I've tried talking them into considering it but not had any > success. Pardon me for finding it amusing they call it Automatic Transparent Failover when it apperently is neither automatic nor transparent :-) --=20 Ragnar Kjorstad Big Storage