CISL Daily Bulletin

The Daily Bulletin delivers news about CISL’s high-performance computing environment, training opportunities, scheduled maintenance, and other events of interest to the user community.

CISL Casper tutorial video and slides now online
April 5, 2021 Updated: April 8, 2021

Video and slides from the “Starting Casper Jobs with PBS Pro" tutorial are now available here in the CISL training library. The CISL Consulting Services Group presented this tutorial in March 2021 to help Casper users transition from the Slurm scheduler to PBS Pro. Users who have experience with PBS on Cheyenne also were encouraged to attend because there are a few differences between the PBS d...

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Casper transition to PBS is complete
April 7, 2021

CISL staff this morning finished converting Casper nodes from using Slurm to using the PBS Pro workload manager to start jobs. With that transition complete, users now submit jobs exclusively via PBS. That includes jobs started through the NCAR JupyterHub service. The following updated documentation provides details for preparing PBS scripts and submitting jobs on Casper:  • Migrating Casper jo...

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No downtimes scheduled for April 5-12
April 5, 2021

No scheduled downtime: Cheyenne, Casper, GLADE, Campaign Storage, Quasar, Stratus or HPSS systems 

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Be sure to acknowledge NCAR and CISL support in your publications
April 2, 2021

Acknowledging the support of NCAR and CISL computing when you publish research results helps ensure continued support from the National Science Foundation and other sources of funding for future high-performance computing (HPC) systems. It is also a requirement of receiving an allocation, as noted in your award letter. The reporting requirements, how to cite your use of various systems, and rec...

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The new Daily Bulletin is here!
March 29, 2021

Welcome to the new CISL Daily Bulletin. We hope you like the new look and our new approach to serving our HPC user community. The redesigned newsletter is just the first step. It also connects you to the brand new NCAR Advanced Research Computing (ARC) portal. The ARC portal is where you can read the Daily Bulletin online, check the status of our Cheyenne and Casper clusters, and more. Take a l...

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More Casper nodes now using PBS job scheduler
March 25, 2021

Additional nodes in the Casper cluster are now accessible using the PBS Pro workload manager as the migration from Slurm to PBS continues. In addition to the 64 new high-throughput computing (HTC) nodes announced recently, about half of the cluster’s other nodes have been transitioned as of today. PBS jobs can now run on: • 7 CPU-only nodes • 4 GP100 GPU nodes • 2 4xV100 GPU nodes • 3 8xV100 GP...

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This material is based upon work supported by the National Center for Atmospheric Research, a major facility sponsored by the National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.