Hi

I have been facing a peculiar situation with my MongoDB replicaset runnig on 3.0.6. From July 11 it has failed/shutdown without any issues. When i checked the system logs there was nothing in it mentioning the failure. Although i found the below error in syslog

[Mon Jul 25 06:52:43 2016] init: mongod main process (15332) terminated with status 14.
There arent any other errors apart from the one above
Although on starting the service it starts without issues.

Any idea what the reason could be for this.

there is around 20G of diskspace left on the drive
It has 30G of RAM and 8 cpu's. OS is ubuntu 14.04.2LTS
20480MB of oplog has been set.

This issue was never seen before, started popping up recently.

Thanks
Shyam