From mboxrd@z Thu Jan 1 00:00:00 1970 From: Uri Lublin Subject: Re: kvm+virtmanager can't save machine state? Date: Mon, 02 Jul 2007 10:59:20 +0300 Message-ID: <4688B058.70508@qumranet.com> References: <014e01c7ba24$3df1e340$64191fac@icstdom.icst.pku.edu.cn> <20070629110414.GA31592@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: "Daniel P. Berrange" Return-path: In-Reply-To: <20070629110414.GA31592-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Actually, although not intended (and was not tested), KVM's migration capability enables save/restore of non-qcow images. I used it to debug the migration code. Please look at the bottom of http://kvm.qumranet.com/kvmwiki/Migration ("savevm/loadvm to an external state file"). BTW, my little trick also works for "live" savevm/loadvm (kids don't try this at home). Hope that helps, Uri. Daniel P. Berrange wrote: > On Fri, Jun 29, 2007 at 04:05:22PM +0800, youhongyu wrote: > >> hi all, >> >> i use: fc7, built in xen, kvm. >> i boot my machine into normal kernal and install a guest os by vir-manager, >> and i encounter a strange situation .... the "save" command from virtual- >> manager menu failed! it pop out a small windows seem want to tell me >> something, but it quickly disappeared. what's thing happens? >> > > The window shouldn't have disappeared like that - it should have told > you that this isn't supported.... > > We can't support save/restore of KVM guests in virt-manager at this > time. QEMU 0.9.0 was really very unhelpful and removed the ability specify > a filename for saving VM state, assuming that everyone happens to be using > a qcow file :-( Not much use if you are using raw files, or physical volumes, > or LVM which are the primary storage types used in virt-manager currently. > > Dan. > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/