A handy source of information is the distribution lists, which are explained in detail in Chapter 16, Participating in the Sakai community. The lists contain a lot of questions and answers, many of which are relevant for issues associated with live deployments. There is a highly useable searchable index at http://www.nabble.com or http://old.nabble.com for long standing lists. On either of the front pages of Nabble or Old Nabble, there is a search form; if you type in the word Sakai, the returned results mention the various distribution lists followed by the most recent postings. Searching in this way, you will find more than 30,000 matching posts.
The development list is the highest volume list; it has embedded within its contents a lot of hard-earned experience. Clicking on the link Sakai should take you to a page similar to the one shown in the following figure:
By selecting a forum and then searching, you can see if anyone has asked the community directly for help...