[ale] tar & DLT

[Joe]

Danny Cox <danscox at mindspring.com> writes:

> tslane,
> 
> On Fri, 2003-02-28 at 10:53, tslane at attbi.com wrote:
> > is there a tar or mt switch to prevent a DLT from rewinding after an operation?
> > 
> > I have a backup script which does a 
> > 
> > tar cvf /dev/sto ${some_path} 
> > 
> > once a week when the tape is changed and pvf the other six.
> > 
> > the problem is that is takes progressively longer with each append operation as
> > the week progresses which I assume is because the tape is rewinding.
> > 
> > is there an easy way to prevent this?
> 
> 	There's probably going to be a flood of this same reply, but:
> 
> 	Look for a /dev/nst0 device.  That's the "no-rewind" device.  /dev/st0
> automagically rewinds upon close....

Right, /dev/nst0 -- I said "/dev/nrst0", which is probably wrong. The
"r" means "raw", I believe, and I'm not sure what effect that would
have on a tar backup.

Cheers,

-- Joe Knapka
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