On 2019-11-12 1:34 p.m., Ulli Horlacher wrote:
> Set up a backup server with btrfs storage (with compress mount option),
> the clients do their backup with rsync over nfs.
>
> For versioning I make btrfs snapshots.
>
My KISS script to do exactly this looks like so:
(Permissions on the backup are handled by default ACL's on the receiving
end.)
/usr/bin/rsync \
-a --no-o --no-g --no-p --chmod=ugo=rwX --info=STATS \
--inplace --exclude='.snapshots' --delete \
/nas/ \
backup.server:/backups/server/nas/ \
|| exit 1
/usr/bin/ssh backup.server \
"/bin/btrfs file defrag -r -t 32M /backups/server"
/usr/bin/ssh backup.server \
"snapper -c server create -c number" \
|| exit 1
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