Hi Christian,
----- Original Message -----
From: Christian Brandt <[EMAIL PROTECTED]>
> > ----- Original Message -----
> > From: Christian Brandt <[EMAIL PROTECTED]>
> >
> > > > Now, first you compress the tar archive. That is *bad*.
> > > > If you get just a single bit error (it should not happen,
> > > > but it will once you need the backup!) ... you will loose
> > > > every file and directory after the bit error.
> > >
> > > Use bzip2 instead of gzip - it operates with blocks and if you loose
a
> > > single bit, you only loose one bzip2-block, which is around 900k of
> > > compressed data.
> > > I also like to have a checksum over my backup and bzip2 fits well for
> > > that, too. There is one thing even worse than a lost backup: a backup
> > > with badly wrong restored data which you are not even aware of.
>
> No problem:
Thanks!
> with gnutar 11.* tar -cvIf big.tar.bz2 bigstuff/
> with other tars use tar --use-compress-program=bzip2 -cvf big.tar.bz2
bigstuff/
>
> a somewhat more efficient approach for tapes:
>
> tar -cvf - bigstuff/ | bzip2 | buffer -o /dev/tape -m16m -p90
>
> will doublebuffer the output with a 16MB cache.
I haven't got "buffer" here, and am looking for it. Don't suppose you happen
to know whereabouts it might be hiding? :-)
Thanks again.
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C u laitr
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