more phys_to_did
#! /bin/sh
#
# ident "@(#)phys_to_did        1.1     98/05/07 SMI"
#
# Copyright (c) 1997-1998 by Sun Microsystems, Inc.
# All rights reserved.
#
# Usage: phys_to_did <md.tab filename> 
# Converts $1 to did-style md.tab file.
# Writes new style file to stdout.

MDTAB=$1
TMPMD1=/tmp/md.tab.1.$$
TMPMD2=/tmp/md.tab.2.$$
TMPDID=/tmp/didout.$$

# Determine whether we have a "physical device" md.tab or a "did" md.tab.
# If "physical device", convert to "did".
grep "\/dev\/did" $MDTAB > /dev/null 2>&1
if [ $? -eq 0 ]; then
        # no conversion needed
        lmsg=`gettext "no conversion needed"`
        printf "${lmsg}\n"
        exit 0
fi

scdidadm -l > $TMPDID
if [ $? -ne 0 ]; then
        lmsg=`gettext "scdidadm -l failed"`
        printf "${lmsg}\n"
        exit 1
fi

cp $MDTAB $TMPMD1

...

...
# Devices can be specified in md.tab as /dev/rdsk/c?t?d? or simply c?t?d?
# There can be multiple device names on a line.
# We know all the possible c.t.d. names from the scdidadm -l output.

# First strip all /dev/*dsk/ prefixes.
sed -e 's:/dev/rdsk/::g' -e 's:/dev/dsk/::g' $TMPMD1 > $TMPMD2

# Next replace the resulting physical disk names "c.t.d." with
# /dev/did/rdsk/<instance>
exec < $TMPDID
while read in6stance fullpath fullname
do
        old=`basename $fullpath`
        new=`basename $fullname`
        sed -e 's:'$old':/dev/did/rdsk/'$new':g' $TMPMD2 > $TMPMD1
        mv $TMPMD1 $TMPMD2
done

cat $TMPMD2
rm -f $TMPDID $TMPMD1 $TMPMD2

exit 0