diff options
Diffstat (limited to 'main/ocfs2-tools/ocfs2-tools.initd')
| -rw-r--r-- | main/ocfs2-tools/ocfs2-tools.initd | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/main/ocfs2-tools/ocfs2-tools.initd b/main/ocfs2-tools/ocfs2-tools.initd new file mode 100644 index 0000000000..677b498f88 --- /dev/null +++ b/main/ocfs2-tools/ocfs2-tools.initd @@ -0,0 +1,193 @@ +#!/sbin/runscript + +: ${OCFS2_FSCK:="-fy"} + +depend() { + need net localmount + before netmount + after drbd +} + +pseudofs() { + [ -n "`mount -t $1`" ] && return 0 + ewarn "OCFS2: Pseudo-filesystem $1 are not mounted." + ewarn "Make sure you have following lines in your /etc/fstab:" + ewarn "none $2 $1 defaults 0 0" + + # Why not? + ebegin "Mounting $1" + mount -t $1 none $2 && [ -n "`mount -t $1`" ] + eend $? || return 1 +} + +fmod() { + [[ -e "$1" ]] && return 0 + modprobe -s $2 && [[ -e "$1" ]] && return 0 + eerror "OCFS2: Module '$2' failed, '$1' not found" + return 1 +} + +# unsure about possibility to keep heartbeat unclean after correct umount +# but Oracle do so +clean_heartbeat(){ + local err=0 id + for i in "/sys/kernel/config/cluster/$1/heartbeat"/*; do + [[ -d "$i" ]] || continue + id="${i##*/}" + ebegin "Cleaning OCFS2 heartbeat region $1/$id" + [[ "`/sbin/ocfs2_hb_ctl -I -u "$id" | grep -o " [0-9]* refs$"`" == " 0 refs" ]] && /sbin/ocfs2_hb_ctl -K -u "$id" || ! [[ -d "$i" ]] + eend $? || err=1 + done + return $err +} + +UUID(){ + local dev fs stack uuid label + /sbin/mounted.ocfs2 -d|while read dev fs stack uuid label; do + [[ "$stack" == "o2cb" ]] && echo "$uuid" + done|sort -u +} + +clusters(){ + [[ -z "${OCFS2_CLUSTER}" ]] && for i in /sys/kernel/config/cluster/*; do + OCFS2_CLUSTER="${OCFS2_CLUSTER} ${i##*/}" + done + echo "${OCFS2_CLUSTER}" +} + +stop_cluster(){ + if clean_heartbeat $1 || [[ "${OCFS2_FORCE_STOP}" == yes ]]; then + ebegin "Stopping OCFS2 cluster '$1'" + /sbin/o2cb_ctl -H -n $1 -t cluster -a online=no >/dev/null + eend $? || return 1 + else + return 1 + fi +} + +online(){ + local cluster + for cluster in ${*:-$(clusters)}; do + grep -q "^1\$" /sys/kernel/config/cluster/$cluster/node/*/local 2>/dev/null || return 1 + done + return 0 +} + +start() { + ( fmod /sys/fs/ocfs2 ocfs2 && + fmod /sys/fs/ocfs2/cluster_stack ocfs2_stackglue && + pseudofs configfs /sys/kernel/config && + pseudofs ocfs2_dlmfs /dlm + ) || return 1 + echo o2cb >/sys/fs/ocfs2/cluster_stack 2>/dev/null + if [[ "`cat /sys/fs/ocfs2/cluster_stack`" != "o2cb" ]]; then + eerror "OCFS2: Stack 'o2cb' not loaded. Check your kernel config." + return 1 + fi + + # autodetect + : ${OCFS2_CLUSTER:=$(UUID)} + + for cluster in $(clusters); do + ebegin "Starting OCFS2 cluster '${cluster}'" + online $cluster || /sbin/o2cb_ctl -H -n ${cluster} -t cluster -a online=yes >/dev/null + if ! eend $? ; then + local OCFS2_FORCE_STOP=no + stop_cluster $cluster + return 1 + fi + + # 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 + + local i + for i in 9 8 7 6 5 4 3 2 1 0; do + online && break + echo -n "$i" + sleep 1 + done + # usure: IMHO locking not starts here +# let i=OCFS2_RECONNECT_DELAY_MS*2/1000 +# sleep $i + + # Voluntary fsck. Will be happened only ondemand - + # on both unmounted/double fault, placed in fstab. + [[ "$OCFS2_FSCK_SWAPOFF" == "yes" ]] && swapoff -a + for i in `mount -invfat ocfs2 2>/dev/null|sed -e 's: .*::g'` ; do + [[ -e "$i" ]] || continue + einfo "OCFS2: Trying 'fsck.ocfs2 $OCFS2_FSCK $i' (fs check if possible)" + /sbin/fsck.ocfs2 $OCFS2_FSCK "$i" 2>/dev/null + done + [[ "$OCFS2_FSCK_SWAPOFF" == "yes" ]] && swapon -a + + # Any behaviour + ebegin "Mounting OCFS2 filesystems" + mount -at ocfs2 + eend $? + return $? +} + +_fuser(){ + fuser -"${OCFS2_UMOUNT_KILL}" -v"${OCFS2_UMOUNT_KILL:+k}" $* + return $? +} + +_umount(){ + local i m + i=`umount $* 2>&1` && { + echo -n "$i" + return 0 + } + echo "$i" + _fuser -mM `echo "$i"|grep "^umount: .* device is busy\.\$"|sed -e 's%^umount: \([^ ]*\): device is busy\.$%\1%g'` || return 1 + [[ -z "${OCFS2_UMOUNT_KILL}" ]] && return 1 + umount $* && return 0 + sleep 1 + umount $* + return $? +} + +stop() { + local ret=0 dev m i + # now umount only clusters - under heartbeat. others later +# ebegin "Unmounting OCFS2 filesystems" +# _umount -at ocfs2 +# eend $? +# ret=$? + + for cluster in $(clusters); do + for dev in `cat /sys/kernel/config/cluster/$cluster/heartbeat/*/dev 2>/dev/null`; do + m=`grep "/dev/$dev " /proc/mounts|sed -e 's:^[^ ]* \([^ ]*\) .*$:\1:g'` + [[ -z "$m" ]] && continue + ebegin "Unmounting OCFS2 cluster '$cluster' filesystems '$dev' from '$m'" + if _umount $m; then + eend 0 + continue + elif umount $m; then + einfon "Lazy unmounted. Waiting " + for i in 9 8 7 6 5 4 3 2 1 0; do + ( /sbin/ocfs2_hb_ctl -I -d /dev/$dev || break ) | grep -q " 0 refs\$" && break + echo -n "$i" + _fuser $m + sleep 1 + done + echo + [[ "$i" != 0 ]] && continue + fi + eend 1 + ret=1 + done + stop_cluster $cluster || ret=1 + done + return $ret +} |