Vezi si http://www.sqlskills.com/BLOGS/PAUL/category/Transaction-Log.aspx#p2. Despre cresterea exagerata a log-ului: http://www.sqlskills.com/BLOGS/PAUL/category/Transaction-Log.aspx#p22.
Pentru "intretinerea" log-ului: http://www.sqlskills.com/blogs/kimberly/post/8-Steps-to-better-Transaction-Log-throughput.aspx