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Some semantic updates for locking functions

This commit is contained in:
deajan 2016-11-17 13:29:34 +01:00
parent 07227858de
commit 0dd472f2c2
1 changed files with 11 additions and 7 deletions
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18
dev/n_osync.sh
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@ -4,7 +4,7 @@ PROGRAM="osync" # Rsync based two way sync engine with fault tolerance
AUTHOR="(C) 2013-2016 by Orsiris de Jong"
CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr"
PROGRAM_VERSION=1.2-beta2
PROGRAM_BUILD=2016111701
PROGRAM_BUILD=2016111702
IS_STABLE=no
# Execution order #__WITH_PARANOIA_DEBUG
@ -429,17 +429,21 @@ function _CheckLocksLocal {
if [ "$lockInstanceID" == "" ]; then
Logger "Invalid instance id [$lockInstanceID] in local replica." "CRITICAL"
exit 1
Logger "Local $replicaType lock is: [$lockPid@$lockInstanceID]." "DEBUG"
fi
kill -0 $lockPid > /dev/null 2>&1
if [ $? != 0 ]; then
Logger "There is a local dead osync lock with pid [$lockPid]. Instance [$lockInstanceID] no longer running. Resuming." "NOTICE"
Logger "There is a local dead osync lock [$lockPid@$lockInstanceID] that is no longer running. Resuming." "NOTICE"
if [ "$replicaType" == "${INITIATOR[$__type]}" ]; then
# REPLICA_OVERWRITE_LOCK disables noclobber option in WriteLock functions
INITIATOR_OVERWRITE_LOCK=true
elif [ "$replicaType" == "${TARGET[$__type]}" ]; then
TARGET_OVERWRITE_LOCK=true
fi
else
Logger "There is already a local instance [$lockInstanceID] of osync running with pid [$lockPid] for this replica. Cannot start." "CRITICAL"
Logger "There is already a local instance [$lockPid@$lockInstanceID] of osync running for this replica. Cannot start." "CRITICAL"
exit 1
fi
fi
@ -479,19 +483,19 @@ function _CheckLocksRemote {
exit 1
fi
Logger "Remote lock is: $lockPid@$lockInstanceID" "DEBUG"
Logger "Remote lock is: [$lockPid@$lockInstanceID]" "DEBUG"
kill -0 $lockPid > /dev/null 2>&1
if [ $? != 0 ]; then
if [ "$lockInstanceID" == "$INSTANCE_ID" ]; then
Logger "There is a remote dead osync lock on target replica that corresponds to this initiator sync id [$lockInstanceID]. Pid [$lockPid] no longer running. Resuming." "NOTICE"
Logger "There is a remote dead osync lock [$lockPid@lockInstanceID] on target replica that corresponds to this initiator INSTANCE_ID. Pid [$lockPid] no longer running. Resuming." "NOTICE"
TARGET_OVERWRITE_LOCK=true
else
if [ "$FORCE_STRANGER_LOCK_RESUME" == "yes" ]; then
Logger "There is a remote dead osync lock on target replica that does not correspond to this initiator sync-id [$lockInstanceID]. Forcing resume." "WARN"
Logger "There is a remote (maybe dead) osync lock [$lockPid@$lockInstanceID] on target replica that does not correspond to this initiator INSTANCE_ID. Forcing resume." "WARN"
TARGET_OVERWRITE_LOCK=true
else
Logger "There is a remote dead osync lock on target replica that does not correspond to this initiator sync-id [$lockInstanceID]. Will not resume." "CRITICAL"
Logger "There is a remote (maybe dead) osync lock [$lockPid@$lockInstanceID] on target replica that does not correspond to this initiator INSTANCE_ID. Will not resume." "CRITICAL"
exit 1
fi
fi