On Tuesday 16 April 2002 11:46, Brendan Halpin wrote:
> Nick Murtagh <murtaghn at tcd.ie> writes:
> > On Tuesday 16 April 2002 11:11, Brendan Halpin wrote:
> > > It's not that bad:
> > >
> > > Step 1: Full initial backup
> >
> > rm -f /backup/home-full.snar
>> No!
>> > > tar ... --listed-incremental=/backup/home-full.snar ...
> > >
> > > Step 2: daily differential
> > > cp /backup/home-full.snar /backup/home-daily.snar
> > > tar ... --listed-incremental=/backup/home-daily.snar ...
>> rm -f /backup/home-daily.snar
>> That is, make the initial snar file, do differentials using (and
> modifying) a copy of it, throw away the modified copy.
If you don't kill /backup/home-full.snar, your next "full" back up
will be an incremental one against the previous full backup.
There's no need to rm -f /backup/home-daily.snar, surely the cp
takes care of that!
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