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.

All NCAR HPC users invited to January 16th NHUG meeting!

January 10, 2024

We are excited to kick off the new year with the announcement of our 2024 NCAR HPC User Group (NHUG) Series! Our first monthly meeting is scheduled for Tuesday, January 16th, 2024, from 1 to 2 p.m. MDT, and we invite all NCAR HPC users to join us for this meeting. At this meeting, CISL staff will share updates regarding GLADE file system transition, JupyterHub updates and upcoming outages. We...

New cron resource available for HPC Users

January 8, 2024

Occasionally users may want to automate a common recurring task. Typical use cases are to initiate batch jobs, transfer input data from an external site, or run some automated testing. The UNIX cron service allows users to schedule scripts to be run based on a recurrence rule. As of December 2023 we have deployed a high-availability cron service independent of the individual HPC systems to supp...

Apply to ATPESC - Argonne Training Program on Extreme-Scale Computing

January 5, 2024

Are you an HPC user who would like to expand your skill set in computational science, learn curing edge advancements in HPC, and network with peers and experts interested in the same? The annual Argonne Training Program on Extreme-Scale Computing (ATPESC) is set to take place July 28-August 9, 2024 in St. Charles, IL. Open to students, post-docs, research software engineers, and early or mid c...

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 ...