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.

Majority of HPC Resources Down through Monday, June 9th

June 6, 2025

The majority of HPC resources will remain down through the afternoon of Monday, June 9. A disk enclosure subsystem of the Derecho scratch filesystem has failed, requiring further replacement activities. A spare part is being shipped, but we will not be able to restore additional services today. The Campaign Storage, Home, and Work file systems are up and accessible through the Casper login nod...

June 5th Update: Major HPC Facility Maintenance

June 5, 2025

NWSC Facility Maintenance is continuing throughout the week and progressing according to schedule. As of 7AM MDT Wednesday June 4th all resources have been down and are expected to remain so until no-earlier-than Thursday morning. We have been using one of two redundant internal power feeds today to allow for electrical system maintenance. This configuration triggered an instability which ha...

June 3rd Update: Major HPC Facility Maintenance

June 3, 2025

NWSC Facility Maintenance is continuing throughout the week. Initial shutdown activities were completed yesterday. We experienced a number of challenges with temporary cooling units that have impacted our original system continuity plans. At this point home, work, Campaign Storage file systems remain available and can be accessed through the Casper login nodes. Currently, no Casper compute ...

5/19/25 - Reminder: Major HPC Maintenance Beginning June 2

June 2, 2025

As previously announced, CISL staff will be performing necessary facility maintenance at the NCAR-Wyoming Supercomputing Center (NWSC) beginning on June 2 to replace critical power and cooling systems which have reached their end service life. Because of the nature of this work, it will be necessary to shut down all Derecho compute nodes, the Quasar tape archive, and a portion of the Casper com...

Join the August 2025 Pythia Cook-off Hackathon in Boulder, CO

May 30, 2025

Project Pythia is offering its annual Cook-off hackathon for creating and maintaining Pythia Cookbooks. The event will take place from Tuesday, August 5 to Friday, August 8, 2025, in-person at the NSF NCAR Mesa Lab in Boulder, CO. Pythia Cookbooks are crowd-sourced collections of domain-specific tutorials and exemplar workflows, building upon our Pythia Foundations tutorials, and supported by...

Democratizing data through the NSF NCAR Data Commons Initiative

May 30, 2025

Exciting news: the cross-lab effort to implement the NSF NCAR Data Commons is entering its final phase, with major milestones expected to be complete by fall 2025. This strategic initiative is transforming how we manage, integrate, and share data across the organization to support AI/ML readiness, interdisciplinary collaboration, and long-term scientific discovery. What is it? An ongoing effor...