[PVE-User] Backup VM online with snapshot LVM2

Alain Péan alain.pean at lpp.polytechnique.fr
Wed Apr 25 22:45:48 CEST 2012


Le 25/04/2012 19:35, Dietmar Maurer a écrit :
>>> >  >  INFO: adding '/var/lib/vz/images/101/vm-101-disk-1.raw' to archive
>>> >  >  ('vm-disk-virtio0.raw')
>> >  
>> >  Looks like your VM uses a raw file as virtual hard disk. RAW does not support
>> >  snapshots, hence the VM has to be suspended.
> This statement is simply wrong! We support snapshots inside/var/lib/vz/

Hi,

Just to give a precision, this is achieved by using the LVM snapshot 
feature. /var/lib/vz is a LVM logical volume. See :
http://tldp.org/HOWTO/LVM-HOWTO/snapshots_backup.html

Alain
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