On Tue, Oct 09, 2001 at 07:27:19PM +0200, Wojciech Puchar wrote:
> > > > backup about 10-15G per day.
> > >
> > > IMHO it's hardware overshoot. for this i would but one DDS-3 or DDS-4
> > > drive.
> >
> > Exept I want a reliable backup drive. I'm not interested in writing tapes
> > I can't read 6 months laters.
> 
> you mean DAT is unreliable?

Yes, I've got tons of problems with DATs, and with hexabyte too.
The problem seems to be that heads slip a bit, and even if the drive work fine
you can't read back a tape written 6 months before.

> never observed this (except when reading DDS-1 tape on wangDAT which was
> written on DDS-2 HP drive, there were few correctable errors)
> 
> but it's important for DAT drives to use cleaning tape every 20-30 hours
> of work.
> 
> > And, on occasion we have to write 30G to a tape.
> what a problem to change tape after 2-3 hours?

We do backup while everyone sleeps (including me:)

--
Manuel Bouyer <bouyer@antioche.eu.org>
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