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bbcp is a point-to-point network file copy application developed at SLAC. It was initially used by the BaBar Collaboration to transfer massive amounts of data between numerious numerous sites of the Collaboration. The protocol has been specifically designed for WAN. In particular, it allows sending data in multiple simultaneous streams.

This document gives only some tips that are intended to help readers to begin using the tool to tranfer transfer LCLS data. To find the complete documentation on the tool please visit the official site: http://www.slac.stanford.edu/~abh/bbcp/.

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Since bbcp is a peer-to-peer application then no permenently permanently running server process is required - you just invoke the bbcp executabe executable on a source machine and in response another bbcp executable is started on the target machine. A more sophisticated scenario involves using the three-party scheme: the source and target machines do not need to be the same (third) machine that you initiate the file transfer from. Please, consult the official bbcp documentation for further detail on that subject. At the mean time, all examples presented in the current document will be based on a simple two-party mode.

You can either download a pre-buit build version of bbcp or build it yourself from source. See building instruction at http://www.slac.stanford.edu/~abh/bbcp/For more information check the download section in the bbcp documentation.

Make sure the bbcp executable is available in the executable search path at both sides.

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