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→Set-up LVM
While the LVM solution is the cleanest, since it allows to create an online backup without having to stop or suspend the virtual machine, it is also the hardest to set up. There are a few dependencies you should be aware of before setting up your LVM:
* You need to have at least 512MB free in the your LVM volume group that is hosting your virtuals (usually <code>/vz/private</code>), to be able to create snapshots* The directory where you are writing your backup dumps to (usually <code>/vz/dump</code>) should be on a different volume group than the one you are taking a backup from(usually <code>/vz/private</code>)
* There is a bug in <code>VZDump.pm</code> that can make the snapshot creation fail
