Great Lakes Timeline

Dates in the future are subject to change. We use our best estimates given what we know today.

Great Lakes Installation Begins

October 1, 2018

Dell, Mellanox, and DDN will be delivering and installing the hardware to deliver the new Great Lakes service.  These teams will be working along side the…

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Beta HPC cluster available

October 2, 2018

The Beta HPC cluster was introduced to enable HPC users to begin migrating their Torque job scripts to Slurm and test their workflows on a Slurm-based…

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Great Lakes Beta (GLB) created

November 1, 2018

Great Lakes Beta is installed for HPC support staff to build and test software packages on the same hardware in Great Lakes.

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Beta Cluster testing continues

January 8, 2019

If you are a current HPC user on Flux or Armis and have not used Slurm before, we highly recommend you login and test your…

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HPC OnDemand Available for Beta

March 8, 2019

The replacement for ARC Connect, called HPC OnDemand, will be available for users.  This will allow users to submit jobs via the web rather than…

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Great lakes firmware updates complete

April 12, 2019

Great lakes firmware for the InfiniBand networking system will updated and verified by Dell and Mellanox, doubling the speed of the early-release system to 100…

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Great Lakes primary installation complete and ARC-TS begins loading and configuration

April 30, 2019

The Great Lakes installation is primarily complete other than waiting for HDR firmware public release for the new InfiniBand system.  The current InfiniBand system is…

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Great Lakes Open for Early User Testing

June 10, 2019

We will be looking for sets of friendly users who will be able to test different aspects of the system to submit their workloads to…

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Great Lakes Early User Testing Ends

July 10, 2019

The Great Lakes early user period for testing will end. Great Lakes will transition into production and users will be able to submit work as…

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Great Lakes Open for General Availability

July 15, 2019

Assuming all initial testing is successful, we expect that Great Lakes will become available for University users.

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2019 Summer Maintenance

August 11, 2019

The ARC-TS annual summer maintenance will begin.   The details, services impacted,  and length of the maintenance will be determined when we get closer to the date. …

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Flux To Be Retired

October 31, 2019

After 9 years, Flux will be retired, having been replaced by the Great Lakes cluster. All HPC accounts, users, and workflows must be migrated to either Great…

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Beta Retires

November 29, 2019

Beta will be retired after both Flux and Armis have been retired, as the purpose of Beta is to assist users to transition to the…

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If you have questions, please send email to

Order Service

Great Lakes will be available in the first half of 2019. This page will provide updates on the progress of the project.

Please contact with any questions.