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

copy_key
}
#+--------------------------------------------------------------------------+
function set_online
# This will set online the target minidisk.
# Arg1 - Minidisk virtual address to set online
#+--------------------------------------------------------------------------+
{
local target_mdisk=$(echo $1 | tr 'A-Z' 'a-z')
chccwdev -e 0.0.$target_mdisk >/dev/null
rc=$?
if [ $rc != 0 ]; then
echo "Error: chccwdev -e 0.0.$target_mdisk failed with $rc - exiting"
abort 1
fi
local target_dev_node=`cat /proc/dasd/devices | grep "$target_mdisk(ECKD)" | awk '{
print $7 }'`
if [ "$target_dev_node" = "" ]; then
echo "Error: can't find $target_mdisk(ECKD) in /proc/dasd/devices - exiting"
set_offline $target_mdisk
abort 1
fi
# wait for disks
$UDEVSETTLE
}
#+--------------------------------------------------------------------------+
function set_offline
# This will set offline the target minidisk.
# Arg1 - Minidisk virtual address to set offline
#+--------------------------------------------------------------------------+
{
target_mdisk=$(echo $1 | tr 'A-Z' 'a-z')
chccwdev -d 0.0.$target_mdisk > /dev/null 2>&1
rc=$?
#if [ $rc -ne 0 ]; then
# echo "Error: chccwdev -d 0.0.$1 failed with $rc - ignoring"
#fi
return $rc
}
#+--------------------------------------------------------------------------+
function mount_cloned_image
# This will mount the cloned root filesystem. It will pair a minidisk
# address to a device file and then mount the first partition.
# Arg1: The minidisk address to mount
#+--------------------------------------------------------------------------+
{
target_mdisk=$1
target_dev_node=`cat /proc/dasd/devices | grep "$target_mdisk(ECKD)" | awk '{ print $7
}'`
wait_for_device /dev/${target_dev_node}1
Appendix B. Source code 259