diff options
Diffstat (limited to 'sys-fs/ocfs2-tools/files/ocfs2.initd')
| -rw-r--r-- | sys-fs/ocfs2-tools/files/ocfs2.initd | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/sys-fs/ocfs2-tools/files/ocfs2.initd b/sys-fs/ocfs2-tools/files/ocfs2.initd new file mode 100644 index 000000000000..fecca7d710a4 --- /dev/null +++ b/sys-fs/ocfs2-tools/files/ocfs2.initd @@ -0,0 +1,125 @@ +#!/sbin/runscript +# Copyright 1999-2011 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Header: /var/cvsroot/gentoo-x86/sys-fs/ocfs2-tools/files/ocfs2.initd,v 1.1 2011/08/31 17:15:18 alexxy Exp $ + +depend() { + need net localmount + before netmount +} + +check_modules_config() { + local MODULES=$1 + local CONFIGS=$2 + local MODULE + local retval=0 + + for MODULE in ${MODULES}; do + if ! ls -1 /sys/module | egrep -q "^${MODULE}$"; then + retval=1 + fi + done + if [ ${retval} -eq 1 ] && [ -e /proc/config.gz ]; then + retval=0 + for MODULE in ${CONFIGS}; do + if ! gzip -dc /proc/config.gz | egrep -q "^CONFIG_${MODULE}=y$"; then + retval=1 + fi + done + fi + return ${retval} +} + +check_modules() { + check_modules_config "ocfs2_dlmfs ocfs2 ocfs2_dlm ocfs2_nodemanager" "OCFS2_FS OCFS2_FS_O2CB" && check_modules_config configfs CONFIGFS_FS && return 0 + if ! egrep -q '\s*ocfs2\s*$' /proc/filesystems || ! egrep -q '\s*ocfs2_dlmfs\s*$' /proc/filesystems; then + ewarn "One or more required modules are not loaded." + ewarn "Make sure you have " + ewarn " - placed ocfs, dlmfs and configfs into /etc/modules.autoload.d/kernel-2.6 or built directly into the kernel." + ewarn "For a (in)complete documentation, read /usr/share/doc/ocfs-<version>/INSTALL.GENTOO.bz2" + fi + return 1 +} + +check_pseudofs() { + local retval=0 + local HASMOUNT="mount -l -t" + if [ -z "`${HASMOUNT} configfs`" ] ; then + retval=1 + fi + if [ -z "`${HASMOUNT} ocfs2_dlmfs`" ] ; then + retval=1 + fi + + if [ ${retval} -eq 1 ]; then + ewarn "One or more pseudo-filesystes are not mounted." + ewarn "Make sure you have following lines in your /etc/fstab:" + ewarn "none /sys/kernel/config configfs defaults 0 0" + ewarn "none /sys/kernel/dlm ocfs2_dlmfs defaults 0 0" + fi + return ${retval} +} + + + +start() { + check_modules || return $? + check_pseudofs || return $? + + einfo "Starting OCFS2 cluster" + for cluster in ${OCFS2_CLUSTER}; do + ebegin " - ${cluster}" + /sbin/o2cb_ctl -H -n ${cluster} -t cluster -a online=yes >/dev/null 2>&1 + eend $? + + # Some heartbeat tweaks to prevent self-fencing quite so much during heavy load. + # http://oss.oracle.com/projects/ocfs2/dist/documentation/ocfs2_faq.html + + # How long to wait before a node is considered dead from lack of network activity. + echo $OCFS2_IDLE_TIMEOUT_MS > /sys/kernel/config/cluster/${cluster}/idle_timeout_ms + # How often we should attempt to send heartbeats. + echo $OCFS2_KEEPALIVE_DELAY_MS > /sys/kernel/config/cluster/${cluster}/keepalive_delay_ms + echo $OCFS2_RECONNECT_DELAY_MS > /sys/kernel/config/cluster/${cluster}/reconnect_delay_ms + # How many interations before a node is considered dead from lack of IO activity. + # (dead_threshold - 1) * 2s + echo $OCFS2_DEAD_THRESHOLD > /sys/kernel/config/cluster/${cluster}/heartbeat/dead_threshold + done + sleep 2 +} + +stop() { + # Shamelesly stolen from netmount + local ret + ebegin "Unmounting OCFS2 filesystems" + [ -z "$(umount -art ocfs2 2>&1)" ] + ret=$? + eend ${ret} "Failed to simply unmount filesystems" + [ ${ret} -eq 0 ] && return 0 + + declare -a siglist=( "TERM" "KILL" "KILL" ) + local retry=0 + local remaining="go" + + while [ -n "${remaining}" -a ${retry} -lt 3 ] + do + remaining="$(awk '$3 ~ /'ocfs2'/ { if ($2 != "/") print $2 }' /proc/mounts | sort -r)" + IFS=$'\n' + set -- ${remaining//\\040/ } + unset IFS + [ -z "${remaining}" ] && break + + ebegin $'\t'"Unmounting ocfs2 filesystems (retry #$((retry+1)))" + /bin/fuser -k -${siglist[$((retry++))]} -m "$@" &>/dev/null + sleep 5 + umount "$@" &>/dev/null + eend $? $'\t'"Failed to unmount filesystems" + done + + + einfo "Stopping OCFS2 cluster" + for cluster in ${OCFS_CLUSTERS}; do + ebegin " - ${cluster}" + /sbin/o2cb_ctl -H -n ${cluster} -t cluster -a online=no >/dev/null 2>&1 + eend $? + done +} |