#!/bin/sh

# Original Script written by Constantin Ionescu
# Modified by Carlo Cosolo
# Modified by Peter Baer Galvin
# Modified by John West
# Modified by Shawn Laemmrich <shawn@mtu.edu>
# Modified by Joshua Myles <jamyles@mtu.edu>
# Use and distribute freely

PATH=/usr/bin:/usr/sbin
export PATH

# the root disk to duplicate (example: c0t0d0)
SRC=c0t0d0

# the empty target disk (example: c0t1d0)
DEST=c0t1d0

# the directory to mount target partitions while duplicating
MOUNTDIR=/dup_0

# the path and file name of this script (relative to the slice it's on)
SCRIPT=local/sbin/mirror

# the slices to be copied (example: "s0 s3 s4 s6")
SLICES="s0 s3 s4 s5 s6"

# the slice on which /etc/vfstab resides
VFSTAB_SLICE=s0

# the slice on which this script resides
SCRIPT_SLICE=s6

echo \*\*\* Disk mirror started `date` \*\*\*
echo

# make sure the mount point exists
if [ ! -d $MOUNTDIR ]; then
   mkdir $MOUNTDIR
   chmod 700 $MOUNTDIR
fi

# get disk geometry and partition information
prtvtoc /dev/rdsk/${SRC}s2 > /tmp/vtoc

# copy information to source disk
fmthard -s /tmp/vtoc /dev/rdsk/${DEST}s2

# make the target disk bootable
installboot /usr/platform/`uname -i`/lib/fs/ufs/bootblk /dev/rdsk/${DEST}s0

# format and copy slices
for fs in $SLICES
do
   echo
   echo \*\*\* Making filesystem on /dev/dsk/$DEST$fs \*\*\*
   newfs /dev/dsk/$DEST$fs < /dev/null;

   # mount slice for copying
   mount /dev/dsk/$DEST$fs $MOUNTDIR;

   echo
   echo \*\*\* ufsdumping to /dev/dsk/$DEST$fs \*\*\*
   ufsdump 0f - /dev/dsk/$SRC$fs | (cd $MOUNTDIR; ufsrestore rf -);

   if [ $fs = $VFSTAB_SLICE ]; then
      echo
      echo \*\*\* Fixing /etc/vfstab on /dev/dsk/$DEST$fs \*\*\*
      sed s/$SRC/$DEST/g /etc/vfstab > $MOUNTDIR/etc/vfstab;
   fi

   if [ $fs = $SCRIPT_SLICE ]; then
      # let's not try to run this script on the target disk
      mv $MOUNTDIR/$SCRIPT $MOUNTDIR/$SCRIPT.norun;
   fi

   umount $MOUNTDIR
done

# create a syslog entry
logger -pdaemon.notice "disk mirror completed"

echo
echo \*\*\* Disk mirror ended `date` \*\*\*