On Tue, Aug 11, 2015 at 3:05 AM, Diogene Laerce me_buss777@yahoo.fr wrote:
https://wiki.archlinux.org/index.php/Full_System_Backup_with_rsync
Is there a trick I don't see here ? Because if the backup of those directories is enough for a full restoration of a system state, this method is far more efficient than the others, isn't it ? As one does not need to reboot and just have to make a script or/and a cron job to make his own snapshot.
I don't consider a backup and snapshot to be the same thing. Copying (or rsyncing) some directories to another volume is a backup. A snapshot is a deduplicated copy of something at a particular moment in time, on the same volume or storage pool. It's not a backup, in that if the pool implodes both the original and snapshot are lost. A snapshot can be used as a source for a backup, since you can make a snapshot that doesn't change while the backup is happening.