This is just an additional protection layer because btrfs snapshot are not true backups! (classic snapshots reside on the same partition).Īs a side note, in addition to disk image backup we may want to do a simple file sync backup for some particular locations, to achieve this, tools like rsync/ grsync (or btrfs-send in case of btrfs) can be used in combinaison with cron (if required) and an encrypted backup destination (like luks-partition/vault/truecrypt). Tools like clonezilla, fsarchiver are not suitable for this question because they are missing one or multiple requested features.Īs a reminder, luks encrypted partition are not dependent on the used file system (ext3/ext4/etc.) keep in mind that the performance are not the same depending on the chosen file system ( details), also note that btrfs ( video-1, video-2) may be a very good option because of its snapshot feature and data structure. With files based backup disk/partition structure is not saved Most of the time for a full restore, the process is a huge time consumer in fact many time consuming steps (like system reinstall) are required and finally backing up installed applications can be tricky Image disk backup avoid all these cons and restore process is a one shot step. When targeting a true full system backup, disk image backup (as asked) offer substantial advantage (detailed bellow) compared to files based backup.
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