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btrbk
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documentation: README.md: explain send/receive using parent when restoring backups

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Axel Burri 2018-10-13 14:24:26 +02:00
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@ -456,6 +456,15 @@ like this:
btrfs send /mnt/btr_backup/data.20150101 | ssh root@my-remote-host.com btrfs receive /mnt/btr_pool/
Hint: If you still have common snapshot / backup pairs (i.e. both
"snapshot_subvol" and "target_subvol" are listed) consider sending the
backup incrementally by specifying a parent subvolume:
btrfs send -p /mnt/btr_backup/<parent-subvolume> [...]
This allows btrbk to continue using the parent subvolume for
incremental backups later.
If everything went fine, nuke the broken subvolume:
btrfs subvolume delete /mnt/btr_pool/data.BROKEN