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freebsd/sbin/scsiformat/scsiformat.sh
Joerg Wunsch 06996f8920 Avoid the ``Three seconds until format begins'' construct. It's
inconsistent with the remaining unix utilities, so replace it by
something better suited.

Learned from:	The Unix Hater's Handbook :-)
1997-03-02 11:21:07 +00:00

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#!/bin/sh
#
# Copyright (c) 1995 Peter Dufault
#
# All rights reserved.
#
# This program is free software.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# $Id: scsiformat.sh,v 1.4 1997/02/22 14:33:17 peter Exp $
#
PATH="/sbin:/usr/sbin:/bin:/usr/bin"; export PATH
READONLY=yes
DOIT=no
QUIET=no
RAW=
PAGE=0
usage()
{
echo "usage: scsiformat [-qyw] [-p page-control] raw-device-name" 1>&2
exit 2
}
while getopts "qwyp:" option
do
case $option in
q)
QUIET=yes
;;
y)
DOIT=yes
;;
w)
READONLY=no
;;
p)
case $OPTARG in
c)
PAGE=0
;;
d)
PAGE=2
;;
s)
PAGE=3
;;
v)
PAGE=1
echo "*** note: for variable parameters, 1-bit means 'can write here'"
;;
*)
usage
;;
esac
;;
?)
usage
;;
esac
done
shift $(($OPTIND - 1))
if [ $# -ne 1 ] ; then
usage
fi
RAW=$1
if [ "x$RAW" = "x" ] ; then
usage
fi
if expr "$RAW" : 'sd[0-9][0-9]*$' > /dev/null ; then
# generic disk name given, convert to control device name
RAW="/dev/r${RAW}.ctl"
fi
scsi -f $RAW -v -c "12 0 0 0 v 0" 96 -i 96 "s8 z8 z16 z4" || exit $?
if [ "$QUIET" = "no" ] ; then
scsi -f $RAW \
-v -c "1A 0 v:2 4:6 0 64 0" $PAGE \
-i 72 "{Mode data length} i1 \
{Medium type} i1 \
{Device Specific Parameter} i1 \
{Block descriptor length} i1 \
{Density code} i1 \
{Number of blocks} i3 \
{Reserved} i1 \
{Block length} i3 \
{PS} b1 \
{Reserved} b1 \
{Page code} b6 \
{Page length} i1 \
{Number of Cylinders} i3 \
{Number of Heads} i1 \
{Starting Cylinder-Write Precompensation} i3 \
{Starting Cylinder-Reduced Write Current} i3 \
{Drive Step Rate} i2 \
{Landing Zone Cylinder} i3 \
{Reserved} b6 \
{RPL} b2 \
{Rotational Offset} i1 \
{Reserved} i1 \
{Medium Rotation Rate} i2 \
{Reserved} i1 \
{Reserved} i1 " || exit $?
fi # !quiet
if [ "$READONLY" = "no" ]
then
if [ "$DOIT" != "yes" ]
then
echo "This will destroy all data on this drive!"
echo -n "Hit return to continue, or INTR (^C) to abort: "
read dummy
fi
# formatting may take a huge amount of time, set timeout to 2 hours
echo "Formatting... this may take a while."
scsi -s 7200 -f $RAW -c "4 0 0 0 0 0"
fi