Plan 9 style backup utility for FreeBSD?

Scott Mitchell scott+freebsd at fishballoon.org
Wed Jan 7 13:15:22 PST 2004


On Wed, Jan 07, 2004 at 03:08:24PM +0100, Martin Brecher wrote:
> Scott Mitchell wrote:
> [...]
> >>
> >>Is there some standard tool for doing this on FreeBSD?  You can't just
> >>do a direct copy cause this results in major disk space wastage so I'm
> >>imagining you need to use hard links or something to keep the size down.
> >
> >
> >Check out rsync and the "--link-dest=DIR" option.  This will hardlink
> >unchanged files to the previous copy in the link-dest directory, rather
> >than copying the data again.
> >
> 
> I just saw a project named rsnapshot on freshmeat.net:
> 
> 	rsnapshot is a filesystem snapshot utility based on rsync. It
> 	makes it easy to make periodic snapshots of local machines, and
> 	remote machines over ssh. It uses hard links whenever possible,
> 	to greatly reduce the disk space required.
> 
> Homepage is <http://www.rsnapshot.org/>. Does not seem to be in the 
> ports collection, though.

Sounds like it could be useful.  Might look into this as a replacement for
the various scripts and command-lines-sribbled-on-bits-of-paper that do the
backups at the moment :-)

	Scott

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