From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: [PATCH] Add dm-userspace to the Xen kernel Date: Fri, 16 Jun 2006 13:56:39 -0500 Message-ID: <4492FEE7.5050104@us.ibm.com> References: <7e45e2ac0606161131n5137e1falf7409c835009eab@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <7e45e2ac0606161131n5137e1falf7409c835009eab@mail.gmail.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Niraj Tolia Cc: Dan Smith , Xen Developers List-Id: xen-devel@lists.xenproject.org You probably want to check out drbd. A number of people have used it successfully to do storage migration with Xen domains. Regards, Anthony Liguori Niraj Tolia wrote: > Hi Dan, > > I had a question or two about dm-userspace. It looks very interesting > and I hope to find time sometime soon to experiment with it. My > question was, would this allow me to export a logical disk without > having all the data present locally. The scenario I am thinking of > would be applicable for VM migration across WANs. > > In that case, if I was to represent a virtual disk as a number of > logical blocks, I could have the userspace application page the > logical blocks in on demand. This would be useful when a VM migrates > to a machine it has never been to earlier. Does this make sense? Would > it work with dm-userspace? > > Cheers, > Niraj > > On 6/15/06, *Dan Smith* > > wrote: > > This patch adds dm-userspace to the -xen Linux kernel. I'd like to > get it into the tree so that people that want to can play with it. > Anyone wishing to to do so can download the tools separately, but they > need the kernel module to be able to use it. > > I've updated the code for and tested it on x86_64. > > The tools are available here: > > http://static.danplanet.com/dm-userspace/libdmu-0.3.tar.gz > > http://static.danplanet.com/dm-userspace/cowd-0.3.tar.gz > > -- > Dan Smith > IBM Linux Technology Center > Open Hypervisor Team > email: danms@us.ibm.com > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel > > > > > > > -- > http://www.cs.cmu.edu/~ntolia > ------------------------------------------------------------------------ > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel >