#!/usr/bin/ksh
################################################################################
#
# File:         config_disk_array
# RCS:          $Header: config_disk_array,v 1.2 97/04/21 13:27:19 defaria Exp $
# Description:  A script to configure a NIKE Model 20 Disk Array
# Author:       Andrew DeFaria, California Language Labs
# Created:      Tue Jan 28 15:59:11 PST 1997
# Modified:
# Language:     Korn Shell
#
# (c) Copyright 2001, Andrew@DeFaria.com, all rights reserved
#
################################################################################
me=$(basename $0)

if [ $(id -u) -ne 0 ]; then
  print -u2 "$me: Error: Must be root to execute this command!"
  exit 1
fi

# Get parametes
primary_disk=
mirror_disk=
while [ $# -ge 1 ]; do
  case "$1" in
    -p)
      if [ $# -le 1 ]; then
        print -u2 "$me: Error: Primary disk not specified"
      fi
      shift
      primary_disk="$1"
      ;;

    -m)
      if [ $# -le 1 ]; then
        print -u2 "$me: Error: Mirror disk not specified"
      fi
      shift
      mirror_disk="$1"
      ;;

    -d|-debug)
      debug=yes
      ;;

    *)
      print -u2 "$me: Error: Unknown parameter found ($1)"
      exit 1
      ;;
  esac
  shift
done

print "This script will configure the NIKE Model 20 Disk Array"

if [ "_$primary_disk" != "_" ]; then
  print "The primary disk is at:        /dev/dsk/$primary_disk"
fi

if [ "_$mirror_disk" != "_" ]; then
  print "The mirror disk is at: /dev/dsk/$mirror_disk"
fi

print

if [ "_$primary_disk" = "_" -a "_$mirror_disk" = "_" ]; then
  print -u2 "Nothing to do!"
  exit 1
fi

answer=y
print "Are these settings correct (Y/n)?\c"
read answer

if [ "$answer" != "y" -a "$answer" != "Y" ]; then
  print -u2 "Nothing done"
  exit 1
fi

# First create the mirror disk
if [ "_$mirror_disk" != "_" ]; then
  print "Creating the mirror disk"
  /sbin/pvcreate -f /dev/rdsk/$mirror_disk
  status=$?

  if [ $status -eq 0 ]; then
    print "Mirror disk created"
  else
    print "Unable to create mirror disk (Status: $status)"
    exit 1
  fi
fi

# Create Physical Volume Groups
if [ "_$primary_disk" != "_" ]; then
  print "Creating Physical Volume Groups"
  /sbin/vgextend -g primary /dev/vgvobs /dev/dsk/$primary_disk
  status=$?

  # Ignore the warning about the volume already being created (Status: 2)
  if [ $status -eq 0 -o $status -eq 2 ]; then
    print "Physical Volume Group \"primary\" created"
  else
    print "Unable to create Physical Volume Group \"primary\" (Status: $status)"
    exit 1
  fi
fi

if [ "_$mirror_disk" != "_" ]; then
  /sbin/vgextend -g mirror /dev/vgvobs /dev/dsk/$mirror_disk
  status=$?

  if [ $status -eq 0 ]; then
    print "Physical Volume Group \"mirror\" created"
  else
    print "Unable to create Physical Volume Group \"mirror\" (Status: $status)"
    exit 1
  fi
fi

if [ "_$primary_disk" = "_" ]; then
  exit
fi

# Create CLO logical volume
print "Creating CLO Logical Volume"

if [ "_$mirror_disk" = "_" ]; then
  /sbin/lvcreate -l 3004 -n CLO -r y -C n -s y -p w -d p vgvobs
else
  /sbin/lvcreate -l 3004 -n CLO -m 1 -r y -C n -M y -s g -p w -d p vgvobs
fi

status=$?

if [ $status -eq 0 ]; then
  print "CLO Logical Volume created"
else
  print "Unable to create CLO Logical Volume (Status: $status)"
  exit 1
fi

# Create the file system
print "Creating file system on CLO Logical Volume"
/usr/sbin/newfs -F hfs -L -i 6144 -m 5 /dev/vgvobs/rCLO
status=$?

if [ $status -eq 0 ]; then
  print "File system for CLO Logical Volume created"
else
  print "Unable to create file system for CLO Logical Volume (Status: $status)"
  exit 1
fi

# Mount the new CLO logical volume
print "Mounting CLO Logical Volume"
mkdir -p /CLO
/usr/sbin/mount -o rw,suid, -F hfs /dev/vgvobs/CLO /CLO
status=$?

if [ $status -eq 0 ]; then
  print "CLO Logical Volume mounted"
else
  print "Unable to mount CLO Logical Volume (Status: $status)"
  exit 1
fi

# Add the /etc/fstab entry
print "/dev/vgvobs/CLO /CLO hfs rw,suid 0 2" >> /etc/fstab
print "Added CLO Logical Volume to /etc/fstab"

# Add the /etc/exports entry
print "/CLO -async" >> /etc/exports
print "Added CLO Logical Volume to /etc/exports as -async"

# Export /CLO
print "Exporting CLO Logical Volume"
/usr/sbin/exportfs -a
status=$?

if [ $status -eq 0 ]; then
  print "CLO Logical Volume exported"
else
  print "Unable to export CLO Logical Volume (Status: $status)"
  exit 1
fi

print "Done"