I've had no problems with my Mongo set up for a couple of years until it shutdown unexpectedly yesterday. I found no error in the logs from around the time it stopped.
It seems like a neat coincidence that the size of the database is a fraction under 2GB. 1.953125GB to be exact.
Could this be a reason?
Additional info:
I'm running Mongo v2.1 on 64bit CentOS 5.5. The /data/db directory is on an ext3 partition.
The data file sizes look like this:
64M db.0
128M db.1
256M db.2
512M db.3
1.0G db.4
16M db.ns
Best Answer
You are using an unstable mongodb release - odd release numbers are for developmental testing and definitely not for production use. http://docs.mongodb.org/manual/release-notes/#release-version-numbers
Don't know if you've tried restarting but I'd also consider going to a stable production release (2.2/2.4 - 2.6 is brand new as a prod release) and try that.