HPCwire’s article Gravity Attracts a GigE HPC Cluster describes some of the features of the new ATLAS cluster at the Max Planck Institute for Gravitational Physics. The 144 10-GigE port non-blocking switch from Woven was a technical feature that stood out. Additionally, it would be interesting to find out what file system is being used on the 42 storage nodes.
Also, the article mentions “An additional 500 GB of direct-connected storage is provided on each compute node. The CPU on any server can access the local disk storage on any other server as well as the central storage nodes.” I wonder in what way that local disk space is made available to the other servers.