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Holland Computing Center

Holland Computing Center. David R. Swanson, Ph.D. Director. Computational and Data-Sharing Core. Store and Share documents Store and Share data and databases Computing resources Expertise. Who is HCC?. HPC provider for University of Nebraska System-wide entity, evolved over last 11 years

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Holland Computing Center

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  1. Holland Computing Center • David R. Swanson, Ph.D. • Director

  2. Computational and Data-Sharing Core • Store and Share documents • Store and Share data and databases • Computing resources • Expertise

  3. Who is HCC? • HPC provider for University of Nebraska • System-wide entity, evolved over last 11 years • Support from President, Chancellor, CIO, VCRED • 10 FTE, 6 students

  4. HCC Resources • Lincoln: • Tier-2 Machine Red (1500 cores, 400 TB) • Campus clusters PrairieFire, Sandhills (1500 cores, 25TB) • Omaha: • Large IB cluster Firefly (4000 cores, 150 TB) • 10 Gb/s connection to Internet2 (DCN)

  5. Staff • Dr. Adam Caprez, Dr. Ashu Guru, Dr. Jun Wang • Tom Harvill, Josh Samuelson, John Thiltges • Dr. Brian Bockleman (OSG development, grid computing) • Dr. Carl Lundstedt, Garhan Attebury (CMS) • Derek Weitzel, Chen He, Kartik Vedelaveni (GRAs) • Carson Cartwright, Kirk Miller, Shashank Reddy (ugrads)

  6. HCC -- Schorr Center • 2200 sq. ft. machine room • 10 full-time staff • PrairieFire, Sandhills, Red and Merritt • 2100 TB storage • 10 gbps network

  7. Three Types of Machines • ff.unl.edu ::: large capacity cluster ... more coming soon • prairiefire.unl.edu // sandhills.unl.edu ::: special purpose cluster • merritt.unl.edu ::: shared memory machine • red.unl.edu ::: grid enabled cluster for US CMS (OSG)

  8. prairiefire • 50 nodes from SUN • 2 socket, quad-core opterons (400 cores) • 2 GB/core (800 GB) • ethernet and SDR Infiniband • SGE or Condor submission

  9. Sandhills • 46 fat nodes • 4 socket opterons • 32 cores/node (128 GB/node) • 1504 cores total • QDR Infiniband • Maui/Torque or Condor submission

  10. Merritt • 64 itanium processors • 512 GB RAM shared memory • NFS storage (/home, /work) • PBS only, interactive for debugging only

  11. Red • Open Science Grid machine • part of US CMS project • 240 TB storage (dCache) • over 1100 compute cores • certificates required, no login accounts

  12. HCC -- PKI • 1800 sq. ft. machine room (500 kVA UPS + generator) • 2 full-time staff • Firefly • 150 TB Panasas storage • 10 gbps network

  13. Firefly • 4000+ Opteron cores • 150 TB Panasas storage • Login or grid submissions • Maui (PBS) • Infiniband, Force10 GigE

  14. TBD • 5800+ Opteron cores • 400 TB Lustre storage • Login or grid submissions • Maui (PBS) • QDR Infiniband, GigE

  15. First Delivery...

  16. Last year’s Usage Approaching 1 Million cpu hours/week

  17. Resources & Expertise • Storage of large data sets (2100 TB) • High Performance Storage (Panasas) • High bandwidth transfers (9 gbps, ~50 TB/day) • 20 gbps between sites, 10 gbps to Internet2 • High Performance Computing: ~10,000 cores • Grid computing and High Throughput Computing

  18. Usage Options • Shared Access • Free • Opportunistic • Storage limited • Shell or Grid deployment • Priority Access

  19. Usage Options • Priority Access • Fee assessed • Reserved queue • Expandable Storage • Shell or Grid deployment

  20. Computational and Data-Sharing Core • Will meet computational demands with a combination of Priority Access, Shared, and Grid resources • Storage will include a similar mixture, but likely consist of more dedicated resources • Often a trade-off between Hardware, Personnel and Software • Commercial Software saves Personnel time • Dedicated Hardware requires less development (grid protocols)

  21. Computational and Data-Sharing Core • Resource organization at HCC • Per research group -- free to all NU faculty and staff • Associate quotas, fairshare or reserved portions of machines with these groups • /home/swanson/acaprez/ ... • accounting is straightforward

  22. Computational and Data-Sharing Core • Start now - facilities and staff already in place • It’s free - albeit shared • Complaints currently encouraged (!) • Iterations required

  23. More information • http://hcc.unl.edu • dswanson@cse.unl.edu • hcc-support@unl.edu • David Swanson: (402) 472-5006 • 118K Schorr Center /// 158H PKI /// Your Office • Tours /// Short Courses

  24. Sample Deployments • CPASS site (http://cpass.unl.edu) • DaliLite, Rosetta, OMMSA • LogicalDoc ( https://hcc-ngndoc.unl.edu/logicaldoc/ )

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