[CentOS-virt] KVM online backup images

Philip Durbin philipdurbin at gmail.com
Tue Nov 27 11:39:23 UTC 2012

see also http://fedoraproject.org/wiki/Features/Virt_Live_Snapshots#Live_backup and http://www.redhat.com/archives/libvir-list/2012-July/msg00782.html via http://irclog.perlgeek.de/crimsonfu/2012-10-24

On Nov 27, 2012, at 6:23 AM, Rudi Servo <rudiservo at gmail.com> wrote:

> I don't believe that Centoss yet capable of such feature, live backup is recent and FAIK its available on Fedora 17/18.
> To workaround this issue I use DRBD and LVM snapshot.
> This feature is a must have since it's capable to snapshot disk-only (ie. qcow2), making easier to rsync and copy a entire disk without having the hole storage allocated or having big lvm's back and forth.
> Hope I helped
> On 11/27/2012 07:45 AM, Andry Michaelidou wrote:
>> Hello to you all!
>> We are implementing here at the University KVM virtualization for our servers and services and i was wondering if anyone try to automatically backup images.
>> I am actually using logical volumes for the VM guests. All virtual clients are installed in their LVM logical volume. We are already use IBM TSM for backup as we used to when we had physical machines, ie install client in OS and manage files and data backup.
>> I want to have an image backup additional to files backup, but i want to take the image online, without pause or suspend the VM guests.
>> Did anyone try to create image backups online? What about http://wiki.qemu.org/Features/Livebackup? 
>> Can you please advise? 
>> --
>> Andry Michaelidou Papa | IT Systems Administrator |Department of Computer Science | University of Cyprus 
>> Tel: +357.22.892734 | Fax: +357.22.8927231 | http://www.cs.ucy.ac.cy
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