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The small data generation takes advantage of the local development of the PSANA framework. It can be customized and run both again the xtc files while they are being written on the ffb system (ongoing experiment only)  as well as against the .xtc files on the offline system,. Parallel computing has been built-in. For a typical experiment Silke will set up the code in the directory /reg/d/psdm/<hutch>/<expname>/results/smalldata_tools for the offline running or /cds/data/drpsrcf/<hutch>/<experiment>/scratch/smalldata_tools tools when running in the new ffb. 

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The  output will be saved to a directory that can be specified, by default this will be:
/reg/d/psdm/<hutch>/<expname>/hdf5/smalldata or /cds/data/drpsrcf/<hutch>/<experiment>/scratch/hdf5/smalldata
The filenames will be of the form: <expname>_Run<runnr>.h5
To run a single DAQ run, you can use the ARP. If you would like to run an interactive test job with only a few events, you can use:
./arp_scripts/submit_smd.sh -r <#> -e <experiment_name> --nevents <#>

The full list of options is here:

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