Infrastructure

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If the directory is visible but run 68 is not there, it maybe that the data was removed due to the Data Retention Policy Version 2. The data is still available on disk and can be restored using the Web Portal of Experiments.

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How do I keep programs running if a ssh connection fails

See if you can use the LSF batch nodes for your work. If not, see if nomachine technology will work. Otherwise, there are three unix programs to help with this are tmux, nohup and screen. None of these programs will preserve a graphical program, or a X11 connection, so run your programs in terminal mode.

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Psana Modules - Using the Translator:

The Psana ddl based Translator can be used to write ndarrays, strings and a few simple types that C++ modules register. These will be organized in the same groups that we use to translate xtc to hdf5. Datasets with event times will be written as well. To use this, create a psana config file that turns off the translation of all xtc types but allows translation of ndarrays and strings. An example cfg file is here: psana_translate_noxtc.cfg You would just change the modules and files parameters for psana and the output_file parameter to Translator.H5Output. Load modules before the translator that put ndarrays into the event store. The Translator will pick them up and write them to the hdf5 file

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