yep, but still lack critical features :) like livebackup. 2015-06-17 12:26 GMT+03:00 Leon Fauster <leonfauster at googlemail.com>:> Am 17.06.2015 um 11:17 schrieb Eero Volotinen <eero.volotinen at iki.fi>: > > It's so sad that centos is using very old versio on kvm > > and due that fact live backup without downtime is not possible. > > > just some thoughts > > old != not good > new != better > > s/old/stable/ > s/new/not\ mature/ > > :-) > > -- > LF > > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >
At Wed, 17 Jun 2015 12:31:49 +0300 CentOS mailing list <centos at centos.org> wrote:> > yep, but still lack critical features :) like livebackup.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.> > 2015-06-17 12:26 GMT+03:00 Leon Fauster <leonfauster at googlemail.com>: > > > Am 17.06.2015 um 11:17 schrieb Eero Volotinen <eero.volotinen at iki.fi>: > > > It's so sad that centos is using very old versio on kvm > > > and due that fact live backup without downtime is not possible. > > > > > > just some thoughts > > > > old != not good > > new != better > > > > s/old/stable/ > > s/new/not\ mature/ > > > > :-) > > > > -- > > LF > > > > > > > > _______________________________________________ > > CentOS mailing list > > CentOS at centos.org > > http://lists.centos.org/mailman/listinfo/centos > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > >-- Robert Heller -- 978-544-6933 Deepwoods Software -- Custom Software Services http://www.deepsoft.com/ -- Linux Administration Services heller at deepsoft.com -- Webhosting Services
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