From 49adbe6e28bb701cd9209900d6c6e2c7114c943b Mon Sep 17 00:00:00 2001 From: Axel Burri Date: Sat, 13 Oct 2018 14:24:26 +0200 Subject: [PATCH] documentation: README.md: explain send/receive using parent when restoring backups --- README.md | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/README.md b/README.md index f149217..82ba021 100644 --- a/README.md +++ b/README.md @@ -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/ [...] + +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