mirror of https://github.com/digint/btrbk
btrbk: renamed btrbk.conf to btrbk.conf.example, fixed/added documentation
Axel Burri
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5b8d4f4c18
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f02caad81f
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btrbk.conf
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btrbk.conf
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# config lines: <src_dir> <src_subvol> <dst_dir> <options>
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#
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# src_dir directory of a btrfs subvolume containing the subvolume to be backuped
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# (usually the mount-point of a btrfs filesystem mounted with subvolid=0 option)
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# src_subvol subvolume to be backuped (relative to <src_dir>)
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# dst_dir directory of a btrfs subvolume containing the backuped target subvolumes
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# options backup options, see below
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#
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# options:
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#
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# init create initial (non-incremental) snapshot if needed
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# incremental do incremental backups (recommended)
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# create always create non-incremental snapshots
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# preserve=<dXXwYY> keep daily backups for XX days, and weekly backups for YY days (monthly backups are always preserved)
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# log log to "sidecar" file for each revision (suffix ".btrfs.log")
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# log=<logfile> append log to specified logfile
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#
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# make snapshot into subdirectory
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snapshot_dir _btrbk_snap
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# always create backups, even if the target volume is not reachable
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snapshot_create_always yes
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# perform incremental backups
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incremental strict
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# preserve weekly/monthly backups from given day of week
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preserve_day_of_week sunday
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# preserve matrix for snapshots
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snapshot_preserve_daily 14
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snapshot_preserve_weekly 0
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snapshot_preserve_monthly 0
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# preserve matrix for backups
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target_preserve_daily 20
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target_preserve_weekly 10
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target_preserve_monthly all
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btrfs_commit_delete after
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volume /mnt/btr_system
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subvolume root_gentoo
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target send-receive /mnt/btr_ext/_btrbk
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target send-receive /mnt/btr_backup/_btrbk
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receive_log sidecar
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subvolume kvm
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target_preserve_daily 7
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target_preserve_weekly 4
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target send-receive /mnt/btr_ext/_btrbk
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target_preserve_weekly 0
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target send-receive /mnt/btr_backup/_btrbk
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receive_log sidecar
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volume /mnt/btr_data
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subvolume home
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target send-receive /mnt/btr_backup/_btrbk
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volume /mnt/btr_ext
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subvolume data
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target send-receive /mnt/btr_backup/_btrbk
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volume /mnt/btr_boot
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# schedule weekly
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incremental yes
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subvolume boot
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target send-receive /mnt/btr_ext/_btrbk
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target send-receive /mnt/btr_backup/_btrbk
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# Example btrbk configuration file
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# Create snapshot into subdirectory
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snapshot_dir _btrbk_snap
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# Always create backups, even if the target volume is not reachable
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snapshot_create_always yes
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# Perform incremental backups
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incremental strict
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# ssh key for ssh volumes/targets
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ssh_identity /etc/btrbk/ssh/id_ed25519
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ssh_user root
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# Preserve weekly/monthly backups from given day of week
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preserve_day_of_week sunday
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# Preserve matrix for snapshots
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snapshot_preserve_daily 14
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snapshot_preserve_weekly 0
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snapshot_preserve_monthly 0
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# Preserve matrix for backups
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target_preserve_daily 20
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target_preserve_weekly 10
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target_preserve_monthly all
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# Make sure the deletion of subvolumes is committed to disk when btrbk terminates
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btrfs_commit_delete after
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# Volume section: "volume <vol_dir>"
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# <vol_dir>: Directory of a btrfs volume (or subvolume) containing the
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# subvolume to be backuped (usually the mount-point of a
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# btrfs filesystem mounted with subvolid=0 option)
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#
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# Subvolume section: "subvolume <subvol>
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# <subvol>: Subvolume to be backuped, relative to <vol_dir> in
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# volume section
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#
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# Target section: "target <type> <subvol_dir>"
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# <type>: Backup type, currently only "send-receive"
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# <subvol_dir>: Directory of a btrfs volume (or subvolume) receiving the backups
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volume /mnt/btr_system
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subvolume root_gentoo
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target send-receive /mnt/btr_ext/_btrbk
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target send-receive /mnt/btr_backup/_btrbk
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receive_log sidecar
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subvolume kvm
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# use different preserve matrix for kvm backups
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target_preserve_daily 7
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target_preserve_weekly 4
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target send-receive /mnt/btr_ext/_btrbk
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target_preserve_weekly 0
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target send-receive /mnt/btr_backup/_btrbk
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receive_log sidecar
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volume /mnt/btr_data
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subvolume home
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target send-receive /mnt/btr_backup/_btrbk
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target send-receive ssh://backup.my-remote-host.com/mnt/btr_backup
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volume /mnt/btr_ext
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subvolume data
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target send-receive /mnt/btr_backup/_btrbk
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volume /mnt/btr_boot
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incremental yes
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subvolume boot
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target send-receive /mnt/btr_ext/_btrbk
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target send-receive /mnt/btr_backup/_btrbk
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volume ssh://my-remote-host.com/mnt/btr_pool
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subvolume system
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target send-receive /mnt/btr_backup/_btrbk/my-remote-host.com
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