web servers

What would your daily, weekly, and monthly administrative routine be for a series of web server.
1 server is a simple IIS content server running 3 web sites on 3 IP addresses
1 server is the backup content server to the first one
1 server is an ecommerce server that has 2 web sites on 2 IP addresses, 1 web site has multiple instances of the ecommerce application, each of the applications interfaces with a unique database in a SQL server on the same
machine