Re: [gentoo-user] rsync + tar + bz2 ?

[Alejandro <elcorreodeale@gmail.com>]

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2009/3/7 Dirk Heinrichs <dirk.heinrichs@online.de>

> Am Samstag, 7. März 2009 21:13:49 schrieb Dirk Heinrichs:
> > Am Samstag, 7. März 2009 17:04:17 schrieb Grant:
> > > I'm backing up numerous large files on another machine on my local
> > > network.  I've only been using rsync, but it occured to me that I
> > > might be able to save some time and space if I incorporate tar and
> > > bzip2.  How will rsync interact with those?  If I turn the whole
> > > backup into a big tar.bz2, would rsync need to redownload the whole
> > > thing if I change one file?  If so, maybe I should turn different
> > > groups of files into tar.bz2 archives so rsync only needs to
> > > redownload an archive if one of its files has changed?
> >
> > By using either rsh or ssh, tar can backup over the net, too.
>
> OTOH, I think rsync is still the better solution, because even for large
> files,
> it only sends the deltas. But in the end, you will be doing some time
> measurements to find the best solution, anyway ;-)
>
> Bye...
>
>        Dirk
>

rsync -z

        -z, --compress              compress file data during the transfer
            --compress-level=NUM    explicitly set compression level
            --skip-compress=LIST    skip compressing files with suffix in
LIST

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