27 March 2020

DAS-4/VU and DAS-4/Delft have been decommisioned. The role of for password updates has been taken over by For access to old data on DAS-4/VU or DAS-4/Delft, mail

5 April 2018

OpenNebula on DAS-4/VU and DAS-4/Delft has been updated to version 5.4.6.

4 April 2018

The DAS-4 clusters have been updated to CentOS 7, and the Nvidia CUDA development kit has been updated to version 8.0 (version 9.1 is also available for recent GPUs). This update makes DAS-4 software-compatible with DAS-5.

6 Jul 2015

DAS-5 is now fully operational! To make room for DAS-5, DAS-4/UvA and DAS-4/ASTRON have been decomissioned, only their headnodes remain available.

About the name DAS

DAS is an acronym for the "Distributed ASCI Supercomputer". As our current wide-area computing installation is the fourth in a sequence, we refer to it as: DAS-4.

ASCI is an acronym for "Advanced School for Computing and Imaging", a Dutch graduate school established in 1993 and accredited by the Royal Netherlands Academy of Arts and Sciences. Research groups of Delft University of Technology, VU University, University of Amsterdam, Leiden University, University Utrecht, University of Twente, University of Groningen, Eindhoven Technical University and the Erasmus University Rotterdam participate in ASCI.

...and the other meanings of DAS in Dutch

The word 'das' has two completely unrelated meanings in Dutch:

  • Badger, the burrowing animal with short, thick legs, and long claws on the fore feet. 'Badger' is quite in keeping with a tradition of naming projects after black-and-white animals, (e.g.: Ibis, Orca, Panda, and MagPIe).

  • Necktie, or the thing that reduces the bloodflow to your head in case you are in pursuit of a career.