Грешка е докладвана и отстранена.
https://jira.mongodb.org/browse/SERVER-2200
$ sudo apt-get purge mongodb-stable $ sudo apt-get install mongodb-stable (remove the lock file if present in /var/lib/mongodb) $ sudo init 6
След това редактирайте /etc/init/mongodb.confremoving реда "limit nofile 20000"
$ sudo vi /etc/init/mongodb.conf $ sudo service mongodb start mongodb start/running, process 2351
Работил.