The Virtualization Cookbook for SLES 10 SP2 - z/VM - IBM

}
#+--------------------------------------------------------------------------+
function link_disks
# Call link_one to link each disk passed in as an argument.
# Arg1-n: The minidisk address to link
#+--------------------------------------------------------------------------+
{
[ -n "$VERBOSE" ] && echo "Linking minidisks for LVM..."
while [ $# -gt 0 ]; do
link_one $target_linux_id $1 400$# W
set_online 400$#
[ $? -eq 0 ] && echo "$1 disk linked ..."
shift
done
}
#+--------------------------------------------------------------------------+
function unlink_disks
# Call unlink_one to unlink each disk passed in as an argument.
# Arg1-n: The minidisk address to unlink
#+--------------------------------------------------------------------------+
{
[ -n "$VERBOSE" ] && echo "Unlinking minidisks ..."
while [ $# -gt 0 ]; do
set_offline 400$#
unlink_one 400$#
[ $? -eq 0 ] && echo "$1 disk unlinked ..."
shift
done
}
#+--------------------------------------------------------------------------+
function ask_are_you_sure
# Ask "Are you sure?" - if not, then exit
#+--------------------------------------------------------------------------+
{
echo ""
echo "This will copy disks from $source_linux_id to $target_linux_id"
echo "Host name will be: $HOSTNAME"
echo "IP address will be: $IPADDR"
echo -n "Do you want to continue? (y/n): "
read ans
if [ $ans != "y" ]; then
abort 1
fi
}
#+--------------------------------------------------------------------------+
function check_logged_off
# Verify the user ID exists and is logged off
# Arg1: The user id to query if it is logged on or not
#+--------------------------------------------------------------------------+
{
cp_cmd QUERY $1
case $? in
0) # user ID is logged on or disconnected
echo "$1 user ID must be logged off"
exit 2
;;
Appendix B. Source code 257