Author: Stumpf, S.
Paper Title Page
MOMMU009 Upgrade of the Server Architecture for the Accelerator Control System at the Heidelberg Ion Therapy Center 78
  • J.M. Mosthaf, Th. Haberer, S. Hanke, K. Höppner, A. Peters, S. Stumpf
    HIT, Heidelberg, Germany
  The Heidelberg Ion Therapy Center (HIT) is a heavy ion accelerator facility located at the Heidelberg university hospital and intended for cancer treatment with heavy ions and protons. It provides three treatment rooms for therapy of which two using horizontal beam nozzles are in use and the unique gantry with a 360° rotating beam port is currently under commissioning. The proprietary accelerator control system runs on several classical server machines, including a main control server, a database server running Oracle, a device settings modeling server (DSM) and several gateway servers for auxiliary system control. As the load on some of the main systems, especially the database and DSM servers, has become very high in terms of CPU and I/O load, a change to a more up to date blade server enclosure with four redundant blades and a 10Gbit internal network architecture has been decided. Due to budgetary reasons, this enclosure will at first only replace the main control, database and DVM servers and consolidate some of the services now running on auxiliary servers. The internal configurable network will improve the communication between servers and database. As all blades in the enclosure are configured identically, one dedicated spare blade is used to provide redundancy in case of hardware failure. Additionally we plan to use virtualization software to further improve redundancy and consolidate the services running on gateways and to make dynamic load balancing available to account for different performance needs e.g. in commissioning or therapy use of the accelerator.  
slides icon Slides MOMMU009 [0.233 MB]  
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