This directory contains the presentations and program of the HPC Europa 2 Cray workshop held at CSC. The workshop itself has been recorded in .mp4 (H264/AAC) format and is available via the Medar archive: http://tv.funet.fi/medar/showDirectory.do?directory=/metadata/fi/csc/seminars/hpceuropa2 The original workshop program web page referring to these recordings and presentation materials was http://www.csc.fi/csc/kurssit/arkisto/crayworkshop09. HPCEuropa2 is an EC-funded collaborative research visits and access to some of the Europe's biggest supercomputers. For scientists of all levels, in all disciplines from all EU states. http://www.hpc-europa.eu