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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.cs.su.oz.au!metro!metro!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!howland.erols.net!www.nntp.primenet.com!nntp.primenet.com!news.mindspring.com!usenet 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 Lines: 30 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> NNTP-Posting-Host: user-168-121-25-139.dialup.mindspring.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Server-Date: 27 Oct 1996 13:52:43 GMT X-Mailer: Mozilla 3.0Gold (X11; I; FreeBSD 2.2-CURRENT i386) 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). -- **************************************************************************** Ron Bolin rlb@mindspring.com, http://www.mindspring.com/~rlb/ GSU: gs01rlb@panther.gsu.edu matrlbx@indigo4.cs.gsu.edu Home: 770-992-8877 ****************************************************************************