For the most up-to-date information on using Gordon, please see the Gordon user guide available here http://www.sdsc.edu/us/resources/gordon/index.html.
For additional resources please also see workshop resources available here: http://www.sdsc.edu/supercomputing/gordon/using_gordon/wkshp_resources/index.html
Robert Sinkovits of SDSC taught a class entitled "Data-intensive computing: Introduction" at the 2012 European-U.S. Summer School on HPC Challenges in Computational Sciences. (See the Thursday morning talks for June 28).
Shawn Strande presented at ISC'12 entitled Gordon: Design, Performance, & Experiences Deploying & Supporting a Data Intensive Supercomputer.
Gordon presentations from XSEDE12 may also be downloaded from the XSEDE12 web site.