Mysql corruption
And to throw the schedule completely off track, one of the mysql databases goes corrupt. Sayonara. So sorry.
Three things keep me from just packing up and leaving town:
* the knowledge that my rails web application has an insanely complete production log
* the realisation that mysql has binary log files that contain every insert/update statement ever issued
* a loving and delightfully geeky wife who jumps in to parse my database and webserver logs while I'm trying to make up for lost time on other projects
Tip: mysqlbinlog is your friend.