*BSD News Article 34536


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Newsgroups: comp.os.386bsd.questions
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From: ceb@netcom3.netcom.com (Ch. Buckley)
Subject: Re: FreeBSD 1.1R & Low Density Tape ?
In-Reply-To: thuy@starbase.neosoft.com's message of 18 Aug 1994 02:32:18 GMT
Message-ID: <CEB.94Aug18094758@netcom3.netcom.com>
Sender: ceb@netcom.com (Ch. Buckley)
Organization: Mauto, Palo Alto
References: <32uh7i$95r@uuneo.neosoft.com>
Date: Thu, 18 Aug 1994 16:47:57 GMT
Lines: 22

In article <32uh7i$95r@uuneo.neosoft.com> thuy@starbase.neosoft.com (Thuy Mai) writes:

   I am using FreeBSD 1.1R, if I tar a tape & using high density tape (250MB),
   I works fine.

   It does not work if I use low density (150MB) tape & it displays
   this message:
   tar: can't write to /dev/rst0 : Invalid argument

As I understand it, the only difference between 6250's (=250 MB) and
6150's (=150 MB) is the length -- they look identical to the drive.
On the other hand, the drive can tell on a hardware basis the
difference between a 60MB and a 150 MB (I'd love to know how, since
someone passed offf 60MB's as 150MB's on me once, and they work fine,
but I can't reproduce that with other carts), and if you try to write
a 60 MB, you get exactly that message.

Are you sure you haven't got your lengths confused?


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