Red Hat SATELLITE 5.1.0 RELEASE NOTES Instrukcja Instalacji Pobierz pdf (Strona 254)

236 The Virtualization Cookbook for Red Hat Enterprise Linux 5.2

}

#+--------------------------------------------------------------------------+

function umount_cloned_image

# Unmount the cloned root filesystem

#+--------------------------------------------------------------------------+

{

/bin/umount $CLONE_MNT_PT >/dev/null 2>&1

return $?

}

#+--------------------------------------------------------------------------+

function check_for_conf

# Check that the configuration file exists for the ID that we are cloning to.

#+--------------------------------------------------------------------------+

{

if [ ! -f /etc/clone/${cloned_linux_id}.conf -a "$PROMPT" != "y" ]; then

echo "Error: /etc/clone/${cloned_linux_id}.conf not found. Exiting"

exit

}

#+--------------------------------------------------------------------------+

function check_for_vmcp

# Check that the vmcp module is loaded and the vmcp binary is installed.

#+--------------------------------------------------------------------------+

{

# Check that vmcp exists and is executable

[ ! -x /sbin/vmcp ] && echo "Error: can't find /sbin/vmcp" && exit

# Load the vmcp kernel module if not already loaded

if ! /sbin/lsmod | grep vmcp > /dev/null 2>&1 ; then

if ! /sbin/modprobe vmcp > /dev/null 2>&1 ; then

echo "Error: unable to load module vmcp, check kernel version"

exit

wait_for_device /dev/vmcp

[ $? -ne 0 ] && echo "Error: timed out waiting for /dev/vmcp" && exit

}

#+--------------------------------------------------------------------------+

function wait_for_device

# Sleep until a certain file exists

# Arg1: The path of the file to sleep on.

#+--------------------------------------------------------------------------+

{

device=$1

for t in $(seq 1 20)

[ -e $device ] && return 0

sleep 1

done

return 1

}

#+--------------------------------------------------------------------------+

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