Abstract
Traditionally, the NA61/SHINE data production is performed by manually submitting jobs to the CERN batch system. An effort is now under way to migrate the data production to an automatic system, on top of a virtualised platform based on CernVM. This will make it easier to both initiate new data productions, and to utilise computing resources available outside CERN. In addition, there is a data preservation perspective. CernVM is a Linux distribution created by CERN specifically for the needs of virtual machines. Data production software and calibration data are distributed globally via the HTTP-based CernVM file system. The NA61/SHINE data production software has been adapted to run under CernVM through CernVM file system. Databases are used to keep track of the data. This will allow the system to present lists of both raw and produced data. If a new data production is needed, the privileged user may choose the data, software versions, and calibrations to be used. Finished jobs will be scanned for errors, and automatically resubmitted for processing if needed. A web-based, graphical user interface for the data production will be available. Finally, the relevant databases will be updated to reflect the freshly produced data.
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