Kraken was the University of Tennessee’s petascale computing environment funded by the NSF and fully integrated with XSEDE formerly TeraGrid XD.
Nautilus is an SGI Altix UV 1000 and the heart of RDAV, the University of Tennessee’s Center for Remote Data Analysis and Visualization sponsored by the National Science Foundation as part of XSEDE, formerly TeraGrid XD.
RDAV's purpose is to aid in the significant challenge of transforming this data into knowledge and insight by providing remote visualization, analysis, and scientific workflow technologies.
It is composed of an HP SL-390 (Ariston) cluster with Intel Westmere hex-core CPUs, NVIDIA 6GB Fermi GPUs, and a Qlogic QDR InfiniBand interconnect.
[2] Verne a 5-node cluster of Dell R505 quad-socket/quad-core Opteron servers dedicated to data analysis and high-end visualization was retired in September 2010.