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. To get the Daily Bulletin by email, use this link to subscribe.

No downtime scheduled for August 2-6

August 2, 2021

No downtime scheduled for Cheyenne, Casper, HPSS, Campaign Store, Stratus, Quasar, or JupyterHub.

NWSC maintenance and HPC systems update

July 30, 2021

CISL staff restored power to UPS-backed systems Thursday night at the NCAR-Wyoming Supercomputing Center and started final verification for those systems early this morning. They include Casper, GLADE, Campaign Storage, JupyterHub, HPSS, Quasar, and Stratus. Those systems and the Cheyenne login nodes are expected to be restored to service today. The Cheyenne compute nodes will remain unavailabl...

NWSC maintenance and HPC systems update

July 29, 2021

Most work scheduled for Wednesday at the NCAR-Wyoming Supercomputing Center on the facility’s power infrastructure and NCAR’s HPC storage and compute systems was completed successfully. A faulty output breaker delayed the restart of one of the facility’s UPS systems, but CISL HPC engineers continued their work on other system components that are unaffected by the faulty UPS. The Casper cluster,...

NWSC maintenance and HPC systems update

July 28, 2021

All work scheduled for Tuesday was completed as expected on the NCAR-Wyoming Supercomputing Center’s power infrastructure. CISL’s NWSC staff began restoring power to some systems. The Casper cluster, Cheyennes login nodes, GLADE file systems, Campaign Storage, data-access nodes, HPSS, Quasar, Stratus, and JupyterHub services will remain unavailable until later this week. Cheyenne’s compute nod...

Convenience flags added for users running Casper jobs

July 27, 2021

CISL has added two new convenience flags to simplify how users request resources for running interactive jobs on Casper nodes. The new flags are: • --gpu=[type] to specify the gpu_type resource • --cpu=[type] to specify the cpu_type resource The GPU resources to specify can be either gp100 or v100. CPU resources available include skylake and cascadelake. See Starting Casper jobs with PBS for ...

NWSC maintenance and HPC systems update

July 27, 2021

All work scheduled for Monday was completed as expected on the NCAR-Wyoming Supercomputing Center’s power infrastructure and NCAR’s HPC storage and compute systems. The Casper cluster, Cheyennes login nodes, GLADE file systems, Campaign Storage, data-access nodes, HPSS, Quasar, Stratus, and JupyterHub services will remain unavailable until later this week. Cheyenne’s compute nodes will remain ...