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#!/sbin/runscript
# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
depend() {
use dmeventd
before checkfs fsck
after dmeventd modules device-mapper
}
config='global { locking_dir = "/run/lock/lvm" }'
dm_in_proc() {
local retval=0
for x in devices misc ; do
grep -qs 'device-mapper' /proc/${x}
retval=$((${retval} + $?))
done
return ${retval}
}
start() {
# LVM support for /usr, /home, /opt ....
# This should be done *before* checking local
# volumes, or they never get checked.
# NOTE: Add needed modules for LVM or RAID, etc
# to /etc/modules.autoload if needed
for lvm_path in /bin/lvm /sbin/lvm ; do
[ -x "$lvm_path" ] && break
done
if [ ! -x "$lvm_path" ]; then
eerror "Cannot find lvm binary in /sbin or /bin!"
return 1
fi
if [ -z "${CDBOOT}" ] ; then
if [ -e /proc/modules ] && ! dm_in_proc ; then
modprobe dm-mod 2>/dev/null
fi
if [ -d /proc/lvm ] || dm_in_proc ; then
ebegin "Setting up the Logical Volume Manager"
#still echo stderr for debugging
lvm_commands="#! ${lvm_path} --config '${config}'\n"
# Extra PV find pass because some devices might not have been available until very recently
lvm_commands="${lvm_commands}pvscan\n"
# Now make the nodes
lvm_commands="${lvm_commands}vgscan --mknodes\n"
# And turn them on!
lvm_commands="${lvm_commands}vgchange --sysinit -a ly\n"
# Order of this is important, have to work around dash and LVM readline
printf "%b\n" "${lvm_commands}" | $lvm_path /proc/self/fd/0 --config "${config}" >/dev/null
eend $? "Failed to setup the LVM"
fi
fi
}
stop() {
for lvm_path in /bin/lvm /sbin/lvm ; do
[ -x "$lvm_path" ] && break
done
if [ ! -x "$lvm_path" ]; then
eerror "Cannot find lvm binary in /sbin or /bin!"
return 1
fi
# Stop LVM2
if [ -x /sbin/vgs ] && \
[ -x /sbin/vgchange ] && \
[ -x /sbin/lvchange ] && \
[ -f /etc/lvmtab -o -d /etc/lvm ] && \
[ -d /proc/lvm -o "`grep device-mapper /proc/misc 2>/dev/null`" ]
then
einfo "Shutting down the Logical Volume Manager"
VGS=$($lvm_path vgs --config "${config}" -o vg_name --noheadings --nosuffix 2> /dev/null)
if [ "$VGS" ]
then
ebegin " Shutting Down LVs & VGs"
#still echo stderr for debugging
lvm_commands="#! ${lvm_path} --config '${config}'\n"
# Extra PV find pass because some devices might not have been available until very recently
lvm_commands="${lvm_commands}lvchange --sysinit -a ln ${VGS}\n"
# Now make the nodes
lvm_commands="${lvm_commands}vgchange --sysinit -a ln\n"
# Order of this is important, have to work around dash and LVM readline
printf "%b\n" "${lvm_commands}" | $lvm_path /proc/self/fd/0 --config "${config}" >/dev/null
eend $? "Failed"
fi
einfo "Finished Shutting down the Logical Volume Manager"
fi
}
# vim:ts=4
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