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From: andreas@klemm.gtn.com (Andreas Klemm)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: HP C1533A DAT tape ?
Date: 10 Nov 1996 16:00:20 GMT
Organization: FreeBSD makes fun
Lines: 35
Message-ID: <564u6k$ev@klemm.gtn.com>
References: <stanbDzLuJv.CEo@netcom.com> <Dzrx1z.9xv@bri.hp.com>
<54rce7$9ta@uriah.heep.sax.de>
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In article <54rce7$9ta@uriah.heep.sax.de>,
j@uriah.heep.sax.de (J Wunsch) writes:
> 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.
With my TDC 4222:
root{1007} / mt status
Present Mode: Density = QIC-154(2GBALDC) Blocksize variable
---------available modes---------
Mode 0: Density = 0x00 Blocksize variable
Mode 1: Density = 0x00 Blocksize variable
Mode 2: Density = QIC-150 Blocksize variable
Mode 3: Density = QIC-120 Blocksize variable
root{1008} / mt -f /dev/rst0 comp 1
mt: /dev/rst0: comp: Invalid argument
root{1009} / mt -f /dev/rst0.ctl comp 1
mt: /dev/rst0.ctl: comp: Inappropriate ioctl for device
root{1011} / mt -f /dev/nrst0 comp 1
mt: /dev/nrst0: comp: Invalid argument
My TDC 4222 doesn't have jumpers, to enable or disable data
compression. So ... can you guess, why it doesn't accept the command ?
Or is there a magic scsi command, that would show the devices exact
error code ?
--
andreas@klemm.gtn.com /\/\___ Wiechers & Partner Datentechnik GmbH
Andreas Klemm ___/\/\/ Support Unix -- andreas.klemm@wup.de
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