Re: kvm virtualization, consistent guest backup

2010-08-17 Thread Martin Kraus
On Tue, Aug 17, 2010 at 03:49:05PM +0200, Glennie Vignarajah wrote: > > well my question was about how to do it without guest shutdown. > > I am not aware of any software for doing this (ie backingup VM online with > appplication level consistency). > > In order to minimize the downtime, you may

Re: kvm virtualization, consistent guest backup

2010-08-17 Thread Glennie Vignarajah
Le 17/08/2010 vers 13:27, dans le message intitulé "Re: kvm virtualization, consistent guest backup", Martin Kraus(Martin Kraus ) a écrit: Hi, > well my question was about how to do it without guest shutdown. I am not aware of any software for doing this (ie backingup V

Re: kvm virtualization, consistent guest backup

2010-08-17 Thread Martin Kraus
On Tue, Aug 17, 2010 at 10:07:22AM +0200, Glennie Vignarajah wrote: > - Every month(or very term), the FS containing virtual machine' images > is > backed up. Of course, the virtual machines are shutdown during the this > backup!. To shudown virtual hosts from a prebackup script, you

Re: kvm virtualization, consistent guest backup

2010-08-17 Thread Glennie Vignarajah
Le 15/08/2010 vers 19:48, dans le message intitulé "Re: kvm virtualization, consistent guest backup", Martin Kraus(Martin Kraus ) a écrit: Hello, > The problem isn't where to backup but how. the problem is to get consistent > filesystem, consisten data in the filesys

Re: kvm virtualization, consistent guest backup

2010-08-15 Thread Martin Kraus
On Sun, Aug 15, 2010 at 03:50:28PM +, T o n g wrote: > On Sun, 15 Aug 2010 16:00:26 +0200, Martin Kraus wrote: > > > Is there a > > way to make consistent backups of the guest without shutting them down? > > The major problem I see is that there's no way to freeze a filesystem > > inside a gue

kvm virtualization, consistent guest backup

2010-08-15 Thread Martin Kraus
Hello. I have kvm guests running from lvm partitions on the host. Is there a way to make consistent backups of the guest without shutting them down? The major problem I see is that there's no way to freeze a filesystem inside a guest to make an lvm snapshot from the host. Does anyone have any (p