|
I have DRBD to another machine, that
means that the LVM is replicated over the network, you can stop
the replication process of the LVM and do the snapshot on the
Secondary Host Machine (No VM poweroff on the Primary Host), then
restart DRBD sync.
Live snapshot is something I am planing to do in the next few
days.
You can do it either way, but if Live snapshot is feasible, then
just a cron job of snashot and backup will sufice, although I do
recomend to use also corosync and pacemaker for fail-over and the
backup job to be more of a service that you can shutdown if
something goes wrong.
This is an ongoing project so I am still learning a lot in the
process with the little time I have.
Sorry for not having all the testing done and information at the
moment.
On 11/27/2012 10:50 AM, Andry Michaelidou wrote:
Dear Rudi Servo,
So you actually have to power off VM guest to take the LVM
snapshot and then synchronize the disk with DRDB.
Do you automated this procedure using a cronjob or anything
similar? Did you restore an image with success?
Thank you all,
--
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
On 27/11/2012 13:39, Philip Durbin 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
_______________________________________________
CentOS-virt mailing list
CentOS-virt@xxxxxxxxxx
http://lists.centos.org/mailman/listinfo/centos-virt
_______________________________________________
CentOS-virt mailing list
CentOS-virt@xxxxxxxxxx
http://lists.centos.org/mailman/listinfo/centos-virt
_______________________________________________
CentOS-virt mailing list
CentOS-virt@xxxxxxxxxx
http://lists.centos.org/mailman/listinfo/centos-virt
|
_______________________________________________
CentOS-virt mailing list
CentOS-virt@xxxxxxxxxx
http://lists.centos.org/mailman/listinfo/centos-virt
