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| WCO202 |
Data Management at the Synchrotron Radiation Facility ANKA |
database, experiment, data-management, controls |
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- D. Ressmann, A. Kopmann, V. Mauch, W. Mexner, A. Vondrous
KIT, Eggenstein-Leopoldshafen, Germany
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The complete chain from submitting a proposal, collecting meta data, performing an experiment, towards analysis of these data and finally long term archive will be described. During this process a few obstacles have to be tackled. The workflow should be transparent to the user as well as to the beamline scientists. The final data will be stored in NeXus compatible HDF5 container format. Because the transfer of one large file is more efficient than transferring many small files, container formats enable a faster transfer of experiment data. At the same time HDF5 supports to store meta data together with the experiment data. For large data sets another implication is the performance to download the files. Furthermore the analysis software might not be available at each home institution; as a result it should be an option to access the experiment data on site. The meta data allows to find, analyse, preserve and curate the data in a long term archive, which will become a requirement fairly soon.
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Slides WCO202 [2.380 MB]
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