The International Conference for High Performance Computing, Networking, Storage, and Analysis
The International Conference for High Performance Computing, Networking, Storage, and Analysis
Workshop: HPC Systems Professionals Workshop (HPCSYSPROS25)
Authors: J.D. Maloney (University of Illinois Urbana-Champaign) and Sean Stevens (University of Illinois at Urbana-Champaign)
Abstract: Global file systems, whose access spans multiple systems/sub-systems within a High-Performance Computing (HPC) center, are common at many institutions due to a range of benefits they provide. In the vast majority of cases however, they operate under a single authentication domain or in more complex cases, support multiple domains with each getting siloed data access. Recently at the National Center for Supercomputing Applications (NCSA), we have integrated a cluster that pushed us to engineer a solution that provides users the ability to seamlessly access their data, regardless of which authentication domain the system is tied to.
This paper describes the design, technologies, and processes NCSA architected to deliver this capability to researchers and shares the suggested practices we’ve discovered while operating it. Additionally, we lay out the benefits researchers gained by us providing this level of integration between the different authentication domains at the global file system layer.
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