Yesterday, I attended a local Ubuntu user groups meeting about OpenAFS . OpenAFS is a network file system like NFS. AFS was developed by IBM , but they open sourced it a few years ago. The Swedish university KTH have developed their own variant called Arla . Several major universities are using AFS, like KTH, Stanford and CMU . The first question you may ask your self is Why AFS instead of NFS? The normal NFS versions is 2 or 3. These versions is bad when using them over internet or large WAN. If you use the normal Unix security mechanism, its insecure. Finally, if a file area moves from one file server to another you have to remount it on each client mounting it. AFS solves these problems. Are there any drawbacks? Unfortunately, yes. You must have a kerberos server and it is more complex to set up than NFS or SMB. An AFS system consists of three different components; File server, database server and client. All three can be running on nearly any operating system. Clients are the ...