Just make sure that you replace it before you try to load it with replication and sharding. Mongo's replication is not atomic, despite their claims otherwise. T

Just make sure that you replace it before you try to load it with replication and sharding. Mongo's replication is not atomic, despite their claims otherwise. This includes versions in the last six months. Mind you, you should be very cautious about loading it in a single instance as well, since it has unpleasant behaviors there, too, but you simply cannot trust it when replication is involved.