IRIDIA cluster installation

This page contains a more or less complete guide on how to reinstall the IRIDIA cluster from scratch.

Architecture	What nodes are in the cluster and how they are organized.
The boot process	Information on how the two types of nodes boot.
Stopping the cluster and backup	How to stop the cluster and what files to backup (IMPORTANT) before reinstalling everything.
Installing an OS on the servers	How to install Debian on the servers.
Basic server daemons	How to install DHCP, apt-cacher, AIDE, NIS, firewalls
Installing the diskless nodes	How to install the diskless nodes, kernel compilation, PXE boot, TFTP etc.
Installing the nodes with disks	How to install Fully Automated Installation (FAI) on the servers in order to get the nodes with disks up and running.
Installing Sun Grid Engine, PVM and MPI	How to install the parallel programming middleware PVM and MPI.
Maintenance	Installing new software, keeping the systems secure, etc.
Todo	A few things that still needs to be done and things that could be done.