Public bug reported:
After non-clean shutdown /var/lib/mongodb/mongodb.lock avoid mongodb to
start properly. Adding next line to /etc/init/mongodb.conf (anywhere in
the script section before launching the daemon) fixes the problem:
ps -eo %u | grep -q ^mongodb$ || rm -f /var/lib/mongodb/mongod.lock
Explained:
- ps -ef %u -> print
all uid for current processes.
- grep -q ^mongodb -> test if the
mongo service is actually running. "mongodb" is the same value passed to
start-stop-daemon in the --chuid parameter.
- || rm -f /var/lib/mongodb/mongod.lock -> Unconditionally remove the lock
file if test failed.
Ex1:
script
ENABLE_MONGODB="yes"
UID="mongodb" # <- Reuse value
if [ -f /etc/default/mongodb ]; then . /etc/default/mongodb; fi
ps -eo %u | grep -q "^${UID}$" || rm -f /var/lib/mongodb/mongod.lock
if [ "x$ENABLE_MONGODB" = "xyes" ]; then exec start-stop-daemon --start
--quiet --chuid ${UID} --exec /usr/bin/mongod -- --config /etc/mongodb.conf; fi
end script
** Affects: mongodb (Ubuntu)
Importance: Undecided
Status: New
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Server Team, which is subscribed to mongodb in Ubuntu.
https://bugs.launchpad.net/bugs/1251654
Title:
Remove /var/lib/mongodb/mongodb.lock trying to start mongodb service
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