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.

University instructors: Use NCAR computing resources in your university courses

January 4, 2024

Do you teach a university class? Consider applying for a classroom allocation on Derecho. As part of NCAR’s mission to support atmospheric science and education, faculty and instructors at any two- or four-year U.S. institution can use NCAR HPC and analysis resources in their courses in Earth systems science and related areas. Classroom allocations can also be used for shorter-term training ...

JupyterHub Changes Planned for January 9th

January 4, 2024

CISL engineers are planning updates to the JupyterHub on January 9th that will temporarily take the service offline. During this outage, we will migrate the JupyterHub to newer hardware, remove the Cheyenne server types from the interface, and we will add a Derecho batch option to the production JupyterHub to enable access to Derecho queues, though we expect most JupyterHub work will continue t...

Derecho Downtime February 5–7 for System Maintenance

January 4, 2024

Derecho will be down for scheduled maintenance February 5–7 to perform system software updates. This is a slight extension of the regularly scheduled February 6th maintenance window. During this outage systems engineers will apply updates to the Cray Programming Environment (CPE) and also the high-speed Slingshot network for performance and stability enhancements. Our intention is to return ...

Express your interest for “Innovations in Open Science (IOS) Planning Workshop: Community Expectations for a Geoscience Data Commons”

January 4, 2024

Please express your interest in attending this workshop, to be held May 29-31, 2024, in Boulder, CO. This workshop will focus on developing community requirements to modernize community-accessible data science infrastructure, to better connect our geoscience datasets with geoscience-focused analytics environments, and to support researcher needs in meeting data-sharing expectations. The overal...

No system downtimes for week of January 1 - 5

December 29, 2023

None planned for Casper, Derecho, GLADE, Quasar, Stratus, or JupyterHub.

JupyterHub Changes Planned for January 9th

December 26, 2023

CISL engineers are planning updates to the JupyterHub on January 9th that will temporarily take the service offline. During this outage, we will migrate the JupyterHub to newer hardware, and remove the Cheyenne server types from the interface (note that Cheyenne batch servers will no longer be available after December 31st as PBS queues will be stopped at that time). Shortly thereafter, we will...