On 2023-12-08 12:56 p.m., Tim Evans wrote:
Since tine immemorial (I first touched a UNIX system circa 1984), I
have used the venerable 'dump' utility to do automated full and
incremental backups to an NFS-mounted network storage appliance (NAS).
Now, with a brand new laptop, with fresh install using btrfs
filesystems, I find 'dump' does not work on them. (Fortunately, I was
able to use the companion utility 'restore' to recover my /home
backups and assorted config files from the root filesystem of my old
laptop.)
So, I'm looking re-script my backups using btrfs tools. So far, it
appears I cannot do btrfs snapshots to the NAS and I'm not wanting to
attach another disk to the laptop just for snapshots. Are there
analogous (to 'dump' and 'restore') btrfs utilities that can do
backups this way, and can be scripted?
btrfs send? Its very similar in operation to zfs send on Solaris and
Freebsd. The data stream can be pushed over ssh to another machine
running btrfs receive pretty easily. Maybe follow
https://discussion.fedoraproject.org/t/btrfs-create-snapshot-and-send-receive-to-backup/65440/22
to script it.
I'm somewhat surprised that Fedora defaults to btrfs but the
backup/restore tools using btrfs and zfs are not there. Are the authors
of the backup tools stuck in the 80's, or have they not yet used the
default filesystem for unknown/weird reasons?
--
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