Final Cut Server is able to see files and folders that are available to a system through a variety of means.  This could be an Xsan or a folder on an Xsan, an nfs mount from another host, a folder through FTP, etc.  Basically, if you can see some data through the Finder reliably then you can go ahead and add it to Final Cut Server.  Speeds of clients to access the data then depend on the ability of the clients to access that data either in place or through the Final Cut Server application. Each top level folder that you will be accessing through Final Cut Server can be…