[CentOS] Virtualization

Thu Jun 18 05:01:10 UTC 2015
Eero Volotinen <eero.volotinen at iki.fi>

well. current version of kvm on centos does not allow live backups without
downtime to guest.

it's only possible with newer version of kvm and related qemu tools.. so


2015-06-17 19:44 GMT+03:00 Gordon Messmer <gordon.messmer at gmail.com>:

> On 06/17/2015 03:32 AM, Robert Heller wrote:
>> If host is using LVM for disk partitioning and uses logical volumes for VM
>> disks, it is possible to do LVM 'snapshots' and these snapshots can then
>> be
>> backed up, all without shutting down the VMs.
> Note that making an LVM snapshot, alone, will not provide a consistent
> image for a backup.  If you want to back up a snapshot of a running system,
> you should use "virsh snapshot-create" to capture the complete state of the
> system.
> http://searchservervirtualization.techtarget.com/tip/Getting-a-clear-picture-on-KVM-snapshot-basics
> Backups from within the guest will typically be much smaller.  I'm working
> on a flexible snapshot script that supports multiple storage types.
> https://bitbucket.org/gordonmessmer/dragonsdawn-snapshot
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos