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.

Starting Casper Jobs with PBS Pro: March 30 tutorial

March 12, 2021

The Casper system is switching from the Slurm scheduler to PBS Pro, which means workflow changes for the majority of users. To help with the transition, the CISL Consulting Services Group will present an online tutorial at 9 a.m. MDT on Tuesday, March 30. The tutorial will cover a variety of PBS Pro scheduling topics for Casper users. Users who have experience with PBS on Cheyenne are encourage...

Delay in returning HPC systems to service

March 11, 2021

Most of the maintenance work scheduled for Wednesday on HPC systems at the NCAR-Wyoming Supercomputing Center went as expected, but unexpected problems encountered while restoring network components have prevented returning the systems to service on schedule. CISL staff and the vendor, Mellanox, worked late into the night and resolved the primary issue. Additional work and testing will continue...

Register now for SEA’s Improving Scientific Software Conference

March 10, 2021

Registration is open until March 17 for the UCAR Software Engineering Assembly’s Improving Scientific Software Conference 2021, which will be held virtually March 22-26. Registration is free. See the conference web page for additional information.

HPC maintenance and systems update

March 10, 2021

Maintenance work scheduled for Tuesday on HPC systems at the NCAR-Wyoming Supercomputing Center went as expected and without incident. The Cheyenne and Casper clusters, GLADE file systems, Campaign Storage, data-access nodes, HPSS, and JupyterHub services are expected to remain unavailable until this evening. Users will be notified of any significant changes to the schedule and are advised to w...

Reanalysis combines 80 hindcasts with observations to improve forecast reliability

March 9, 2021

A team of NCAR scientists has released a reanalysis that combines an ensemble of 80 different hindcasts (forecasts made for a time in the past) with real-world observations to better understand phenomena like hurricanes and improve the reliability of forecasts. The resulting reanalysis provides snapshots of the atmosphere four times a day from 2011 through 2019, and a detailed picture of atmosp...

Reminder: HPC systems maintenance downtime March 9-10

March 8, 2021

NCAR’s HPC resources will be unavailable to users March 9-10 to allow CISL staff and HPE engineers to perform compute and networking infrastructure updates and maintenance. Significant updates, as announced previously, include the addition of high-throughput computing (HTC) nodes to the Casper cluster. Related documentation will be available by Thursday. The Cheyenne and Casper clusters, GLADE ...