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.

Derecho delivery delayed until January 2022

August 4, 2021

Due to the world-wide shortfall in semiconductor supplies, the delivery of Derecho to NCAR will be delayed by approximately four months. HPE’s new delivery date is now late January 2022. CISL is engaging HPE to extend Cheyenne’s maintenance agreement until December 2022 to ensure at least a six-month overlap between the Cheyenne and Derecho systems. In order to complete the selection process be...

NWSC maintenance and HPC systems work completed

August 2, 2021

The extended scheduled maintenance work at the NCAR-Wyoming Supercomputing Center concluded late Friday when the Cheyenne system was returned to service. The Cheyenne login nodes were released to users earlier in the day, as were the Casper, GLADE, Campaign Storage, JupyterHub, HPSS, Quasar, and Stratus systems. Thank you for your patience during the week. CISL staff and contractors performed c...

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...