*BSD News Article 81813


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From: Ron Bolin <rlb@mindspring.com>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: HP C1533A DAT tape ?
Date: Sun, 27 Oct 1996 08:53:38 -0500
Organization: MindSpring Enterprises
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Message-ID: <32736962.41C67EA6@mindspring.com>
References: <stanbDzLuJv.CEo@netcom.com> <Dzrx1z.9xv@bri.hp.com> <54rce7$9ta@uriah.heep.sax.de> <stanbDzw2rz.6yz@netcom.com>
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Stan Brown wrote:
> 
> j@uriah.heep.sax.de (J Wunsch) writes:
> 
> >aslater@jocko.bri.hp.com () wrote:
> 
> >> :    If I can, what device should I use ? Will this device enable
> >> : the compresion on the tape drive ?
> 
> >> 1. hack st.c and put in relevant quirks / code to get yourself DC control
> >> by device file used (code for this isn't hugely difficult)
> 
> >Ah, it's even simpler. :)
> 
> >Try the `mt comp 1' command.  I've just checked, it's around there at
> >least since FreeBSD 2.0.5.  The man page still lies that it were not
> >implemented though... but i cannot remember a single feedback whether
> >it's actually working now.  It has been implemented blindly after the
> >SCSI-2 specs by Julian Elischer.
>
mt -f /dev/[r]st1 comp 1

Tried it, I get Invalid Argument (this is from the driver).

-- 
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Ron Bolin rlb@mindspring.com, http://www.mindspring.com/~rlb/
GSU: gs01rlb@panther.gsu.edu matrlbx@indigo4.cs.gsu.edu  Home:
770-992-8877 
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