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
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