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documentation: README.md: add warning about using `btrfs property set` when restoring backups

pull/116/merge
Axel Burri 2017-05-08 14:28:17 +02:00
parent ed80bccc79
commit 401b4ac45c
1 changed files with 6 additions and 0 deletions
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@ -435,6 +435,12 @@ to be done manually. In the examples below, we assume that you have a
btrfs volume mounted at `/mnt/btr_pool`, and the subvolume you want to
have restored is at `/mnt/btr_pool/data`.
**Important**: don't use `btrfs property set` to make a subvolume
read-write after restoring. This is a low-level command, and leaves
"Received UUID" in a false state which causes btrbk to fail on
subsequent incremental backups. Instead, use `btrfs subvolume
snapshot` (without `-r` flag) as described below.
Example: Restore a Snapshot
-----------------------------