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.

System downtimes for week of April 26-30

April 26, 2021

Scheduled downtime for HPSS April 28th from 7:00 - 3:00 for hardware repair of one of the libraries at NWSC. No scheduled downtime: Cheyenne, Casper, GLADE, Campaign Storage, Quasar, Stratus.

Time to finish evacuating HPSS data holdings

April 22, 2021 Updated: April 26, 2021

Now is a good time to finish evacuating your data holdings from the High Performance Storage System (HPSS) tape archive if you haven’t already done so. Bandwidth for copying needed files from HPSS to alternative storage is currently underutilized, and waiting until closer to the system’s decommissioning on October 1 of this year is risky given the fragile and deteriorating condition of the syst...

System downtimes for week of April 19-23

April 19, 2021

No scheduled downtime: Cheyenne, Casper, GLADE, Campaign Storage, Quasar, Stratus, or HPSS systems.

Updates to PBS and Casper documentation

April 15, 2021

Among the many recent updates to CISL documentation as the PBS Pro workload manager replaced Slurm on the Casper cluster, staff members suggested highlighting two for special mention: 1. Users who are logged in on Cheyenne or Casper can now query jobs running on the other system by appending @cheyenne or @casper to a qstat command to specify where the job is running. Get the details here. 2. Th...

Derecho: Name picked for new NCAR supercomputer

April 13, 2021

NCAR announced on Monday that the next supercomputer to be installed at the NCAR-Wyoming Supercomputing Center will be named “Derecho.” The name was selected out of more than 200 submissions from Wyoming K-12 students as part of a competition NCAR conducted in partnership with the Wyoming Department of Education and the Wyoming Governor’s Office. The Hewlett Packard Enterprise Cray EX cluster w...

JupyterHub service update coming Wednesday morning

April 13, 2021

The NCAR JupyterHub service will be updated on Wednesday, April 14, at approximately 6 a.m. The new service will provide expanded functionality and bring NCAR's offering up to the current generation web-based user interface for Project Jupyter. Users will be redirected to the new instance automatically as the older service is decommissioned. Any JupyterHub instances that are running when the up...