On Sat, 17 Nov 2007 11:59:22 +0000
Matthias Scheler <tron@zhadum.org.uk> wrote:

> 
> 	Hello,
> 
> I'm looking for a software for NetBSD to create off-site backups of my
> server at home. Because the upstream bandwidth of my A-DSL line isn't
> that high I'm searching for something which supports deltas and
> compression like "rsync" does.
> 
> Why am I not using "rsync"? I want to keep multiple copies on the
> target system (also NetBSD) without wasting too much diskspace.
> It would also be nice to be able to preserve the ownership of a
> directory or file without having to use "root" on the remote machine.
> 
> I've considered a script which does something like this:
> 1.) Clone existing backup into a new directory by creating identical
>     directories and hardlinks to the existing files.
> 2.) Use "rsync" to update that.
> 
> But I'm wondering whether somebody else has already done that. And
> it would of course not preserve the ownerships.
> 
I'm using rsync-diff, from pkgsrc.


		--Steve Bellovin, http://www.cs.columbia.edu/~smb