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|
#!/bin/sh
# script to check accessibility to the reclock file on a node
. $CTDB_BASE/functions
loadconfig
case $cmd in
startup)
ctdb_counter_init
;;
monitor)
RECLOCKFILE=$(ctdb -Y getreclock)
ctdb_counter_incr
(ctdb_check_counter_limit 200 >/dev/null 2>&1) || {
echo "Reclock file $RECLOCKFILE\" can not be accessed. Shutting down."
df
sleep 1
ctdb shutdown
}
[ -z "$RECLOCKFILE" ] && {
# we are not using a reclock file
ctdb_counter_init
exit 0
}
# try stat the reclock file as a background process
# so that we dont block in case the cluster filesystem is unavailable
(
stat $RECLOCKFILE && {
# we could stat the file, reset the counter
ctdb_counter_init
}
) >/dev/null 2>/dev/null &
ctdb_check_counter_limit 3 quiet
;;
status)
ctdb_checkstatus || exit $?
;;
esac
exit 0
|
