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.

VAPOR visualization of the East Troublesome fire in 2020 from a Grand Lake, Colorado, perspective
How to get help visualizing research data
February 17, 2023

Researchers who want help visualizing data to demonstrate the results of their scientific computing can request expert assistance and collaboration from CISL. This service is available to researchers using specialized applications on data analysis and visualization resources that CISL manages. CISL visualization staff have special expertise in CISL-developed software such as VAPOR but are open ...

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Cheyenne login node maintenance scheduled
February 16, 2023

A single Cheyenne login node – cheyenne1 – will stop receiving new connections on Monday, February 20, to minimize the impact of hardware maintenance scheduled for that node from 10 a.m. to 2 p.m. MST on Thursday, February 23. User sessions that remain active at the start of the maintenance downtime on Thursday will be terminated. Users who are affected can simply log in again to be placed on o...

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Tutorial published: Using Dask on HPC Systems
February 16, 2023

Video recordings and other content from the recent Dask tutorial are now available to the user community at Using Dask on HPC Systems. The tutorial focuses on the effective use of Dask on high-performance computing systems like Derecho and Casper. Presented by the CISL Consulting Services Group and the NCAR Earth System Data Science Initiative, it starts with a session for novice Dask users and...

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Allocation accounting changes now in effect
February 13, 2023

CISL has implemented the changes that were announced in January to account for the use of GPU resources on the Casper cluster. The charging algorithm update for jobs on shared CPU nodes on both Casper and Cheyenne also has been implemented. Projects that have used Casper GPU resources in the past year have all now received an initial GPU-hours allocation based on that previous use. Charges will...

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Derecho weekly update
February 13, 2023

HPE engineers finished installing some key parts of the Derecho system’s base software late in the evening on Friday, February 10. Once the remaining base software is installed and configured, the next phase of the project will be the hardware check-out when HPE runs software on the system to determine if any hardware has failed and needs to be replaced. We expect that phase to begin by Februar...

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No system downtimes for week of February 13 - 17
February 13, 2023

None planned for Cheyenne, Casper, GLADE, Campaign Storage, Quasar, Stratus, or JupyterHub.

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This material is based upon work supported by the National Center for Atmospheric Research, a major facility sponsored by National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.