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The controls and DAQ nodes used for operating an instrument work in kiosk mode so you don't need a personal account to run an experiment from the control room. Remote access to these nodes is not allowed for normal users.
LCLS provides space for all your experiment's data at no cost for you. This includes the measurements raw data from the detectors as well as the data derived from your analysis. Your raw data are available as XTC files or, on demand, as HDF5 files. The path to the experimental data is:
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/reg/d/psdm/<instrument>/<experiment> |
The LCLS data policy is described here. The tools for managing files are described here.
You can use the psexport
nodes for copying your data. The recommended tools for exporting the data offsite are bbcp
and Globus Online. The former, bbcp
, is slightly simpler to setup. On the other hand Globus Online is more efficient when transferring large amount of data because it babysits the overall process by, for example, automatically restarting a failed or stalled transfer. The performance of the two tools is very similar.
All control rooms and the overflow room in FEH have one or more taps on the Visitor Data Network. These taps can be used to transfer data to a laptop or a storage device. These devices will be automatically assigned an IP address through DHCP as soon as they are connected to the network tap.
There is a web interface to the experimental data accessible via
https://pswww.slac.stanford.edu/apps/explorer
The web interface also allows you to generate file lists that can be fed to the tool you use to export the data from SLAC to your home institution.
The analysis framework is documented in the Data Analysis page. This section describes the nodes which are available for running the analysis.
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Will submit an OpenMPI job (-a mympi) requesting 12 processors (-n 12) spanned all on one host (-R "span\[hosts=1\]") to the psfehmpiq batch queue (-q psfehmpiq). |
There is a web interface to the experimental data accessible via
https://pswww.slac.stanford.edu/apps/explorer
The web interface also allows you to generate file lists that can be fed to the tool you use to export the data from SLAC to your home institution. You can use psexport
for copying your data.
The recommended tools for exporting the data offsite are bbcp
and Globus Online. The former, bbcp
, is slightly simpler to setup. On the other hand Globus Online is more efficient when transferring large amount of data because it babysits the overall process by, for example, automatically restarting a failed or stalled transfer. The performance of the two tools is very similar
. |