• These should provide some good reading on the topic of TX log management

    Why is my transaction log full - http://www.sqlservercentral.com/articles/Transaction+Logs/72488/

    Managing Transaction Logs - http://www.sqlservercentral.com/articles/Administration/64582/

    Stairway to Transaction Log Management - http://www.sqlservercentral.com/stairway/73776/

    Accidental DBA Guide - Chapter 8 - http://www.simple-talk.com/books/sql-books/troubleshooting-sql-server-a-guide-for-the-accidental-dba/