Date: Fri, 26 Jan 1996 18:48:44 -0500 (EST) From: Peter Dufault <dufault@hda.com> To: kallio@beeblebrox.pccc.jyu.fi (Seppo Kallio) Cc: questions@freebsd.org, hardware@freebsd.org, kallio@beeblebrox.pccc.jyu.fi Subject: Re: HP C1553A Autoloading DDS-2 DAT tape drive control? Message-ID: <199601262348.SAA08084@hda.com> In-Reply-To: <Pine.BSF.3.91.960126091900.207C-100000@beeblebrox.pccc.jyu.fi> from "Seppo Kallio" at Jan 26, 96 09:35:24 am
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>
>
> Hi, we have HP C1553A Autoloading DDS2 DAT tape drives attached to
> a FreeBSD node. Is there a program available that would allow me to
> fully manipulate the drive?
>
> I have code for HPUX and Solaris, but it is so OS dependend I cannot
> compile it in FreeBSD.
You can use scsi(8) to send commands to the device. Something like
this (I didn't run this - this is a dramatization based on that C
code) saved as dds_changer and made executable. As a raw-device-name
you must use something that accepts the SCSI ioctl calls - the
control device for whatever it comes on line as will.
#!/bin/sh
PATH="/sbin:/usr/sbin:/bin:/usr/bin"; export PATH
usage()
{
echo "Usage: dds_changer [123456ne] raw-device-name
echo "1..6 = Select cartridge"
echo "next cartridge"
echo "eject magazine"
exit 2
}
if [ $# -ne 2 ] ; then
usage
fi
cdb3=0
cdb4=0
cdb5=0
case $1 in
[123456])
cdb3=$1
cdb4=1
;;
n)
;;
e)
cdb5=0x80
;;
?)
usage
;;
esac
scsi -f $2 -s 100 -c "1b 0 0 v v v" $cdb3 $cdb4 $cdb5
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