Take Control of OS X Server, Chapter 14: Server Maintenance
A properly set up server should be able to run unattended, but that doesn’t mean you should ignore it all the time. A good sysadmin knows to check in on the server on a regular basis, and in this final chapter of “Take Control of OS X Server,” Charles Edge suggests weekly, monthly, and annual maintenance tasks that will keep your server running smoothly. He also discusses some common issues that tend to crop up, and points to additional resources when you need somewhere to turn for help.