I had power loss to my BDS due to a severe thunderstorm that resulted in my home losing power for an extended period of time (far longer than my UPS could manage to keep it powered). After booting my server, my companion players noticed huge chunks of the world were mislocated to other chunks in the world. Different landscapes we had discovered were randomly places in other locations. The databases seem to not be copy-on-write, thus, power loss leading to corruption. This might be a design feature to consider, or some sort of periodic snap shot feature to revert the database if an ungraceful shutdown were to happen.

Fortunately, I keep daily backups of my server's game data and was able to restore everything to a working state.