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.

ISS Conference seeking abstracts for 2022

December 3, 2021 Updated: December 13, 2021

Abstracts are being accepted now through January 31 for the 2022 Improving Scientific Software Conference. The annual conference organized by the UCAR Software Engineering Assembly (SEA) will take place April 4-8 as a virtual-only event. Visit the SEA site for details.

System downtimes for week of December 13 - 17

December 13, 2021

A JupyterHub update is scheduled for Tuesday morning where users may experience brief interruptions. None planned for Cheyenne, Casper, Glade, Campaign Storage, Quasar, or Stratus.

GLADE home directory quotas to be increased

December 9, 2021

On Monday, December 13, CISL will increase all users’ GLADE home directory quotas from 25 GB to 50 GB. No user action is required. After the increase, the gladequota command will report a user’s quota as 100 GB to account for data being replicated on multiple storage targets. See the GLADE documentation for more information.

JupyterHub to be unavailable during update on Tuesday

December 8, 2021

CISL system engineers will update the JupyterHub deployment on Tuesday, December 14. The update will begin before 8 a.m. MST and is expected to take less than 30 minutes to complete. The work will include general package and extension updates that are expected to provide a more stable user experience. CISL will make every effort to minimize impacts but users may experience brief interruptions w...

Running Singularity containers on NCAR systems

December 8, 2021

Users can now run their own Singularity containers on the Cheyenne and Casper systems. This new documentation details which modules to load to support the container, which commands to run, and how to perform a simple test in the new Singularity container environment. After completing a successful test, users should be able to use their Singularity container on the host system. Performance has n...

The updated timeline for delivery of the Derecho system.

Derecho delivery delayed until June 2022

December 7, 2021

Due to the continued worldwide shortfall in semiconductor supplies, the delivery of Derecho to NCAR will be further delayed by approximately six months. HPE’s new delivery date for Derecho is now mid-June 2022. Following Derecho’s delivery, HPE and CISL will begin the system’s installation and testing effort that will require approximately two months to complete. CISL will then begin formal acc...