From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve Traugott Subject: Re: QLogic Fibre Channel HBA Support Date: Sun, 4 Jul 2004 13:31:39 -0700 Sender: xen-devel-admin@lists.sourceforge.net Message-ID: <20040704203139.GE18863@pathfinder> References: <20040704083831.GA18863@pathfinder> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Errors-To: xen-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Ian Pratt Cc: xen-devel@lists.sourceforge.net List-Id: xen-devel@lists.xenproject.org On Sun, Jul 04, 2004 at 10:11:38AM +0100, Ian Pratt wrote: > > > Still hunting for better alternatives vs. NFS roots -- does anyone know > > what I'd need to do to get the driver for QLogic fibre HBA's working, so > > I can host VBD's from a SAN? > > If there's a driver in Linux, it should just work if you use the > unstable-xeno tree and modify the config for the domain 0 linux > to add the driver. So, how stable is unstable these days? I.E. would you trust it to host other people's guests? > In the new tree, rather than using our own virtual disk code we're > planning on using standard Linux's standard LVM2 code to enable > physical partitions to be sliced and diced. The tool support for > this isn't quite there yet. That sounds good -- you mean tools support as in python? I should be able to help if that's the case. > An alternative to using a FCAL SAN is to use iSCSI. I've found > that the Linux Cisco iSCSI initiator code works nicely, and can > either talk to a hardware iSCSI target or to the Ardistech Linux > iSCSI s/w target. I've generally configured it such that the > domain talks iSCSI directly (using an initrd to enable root to be > on the iSCSI volume). Others have configured iSCSI in domain 0 > and then exported the partitions to other domains as block > devices using the normal VBD mechanism. I'd need to use the iSCSI in domain 0 approach (other people's guests...), haven't tried it due to lack of hardware targets, didn't get warm fuzzies from Ardistech's code -- you've had no problems with it though? Steve -- Stephen G. Traugott (KG6HDQ) UNIX/Linux Infrastructure Architect, TerraLuna LLC stevegt@TerraLuna.Org http://www.stevegt.com -- http://Infrastructures.Org ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com