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Date:      Wed, 26 Jan 2000 16:17:43 -0800 (PST)
From:      Matthew Jacob <mjacob@feral.com>
To:        Greg Lehey <grog@lemis.com>
Cc:        Palle Girgensohn <girgen@partitur.se>, "Louis A. Mamakos" <louie@TransSys.COM>, freebsd-scsi@FreeBSD.ORG
Subject:   Re: cannot mt retension (seagate python)
Message-ID:  <Pine.BSF.4.10.10001261616590.62527-100000@beppo.feral.com>
In-Reply-To: <20000127092913.C53307@freebie.lemis.com>

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> On Wednesday, 26 January 2000 at 14:33:37 -0800, Matt Jacob wrote:
> >>> Hmm... my tapes sometimes jam. I though a retension would help, but
> >>> I guess I have to calculate on a certain amount of failure.
> >>
> >> No, this is a problem with your drive.  This shouldn't happen, and
> >> it's a bad sign.
> >
> > This happens with some frequency with DAT. Regular head cleaning
> > helps, 
> 
> That depends on what's causing the jamming.  I've never seen any
> relationship between jamming and head cleaning.

If enough gunk builds up on the heads, the tape lifts off slightly and starts
a roll which can get reverse wrapped around a capstan roller.




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