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.

Writing batch job output to restricted storage space is no longer permitted

September 7, 2021

CISL has determined that jobs attempting to write log and error output to restricted targets such as /dev/null caused recent PBS server issues that adversely affected Cheyenne and Casper performance. Preventive measures are now in place to reject such jobs. Other invalid output targets include, but are not limited to, /dev/shm, /var/tmp, and /var/spool/pbs. The error message users will receive ...

Systems downtime for September 6 - 10

September 7, 2021

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

Deadline extended to September 10 for university ASD proposals

September 2, 2021 Updated: September 3, 2021

The deadline for submitting university Accelerated Scientific Discovery (ASD) proposals for projects to run on Derecho has been extended to September 10. Derecho will become operational in the first half of 2022. See the ASD submission instructions for details. The ASD program is a unique opportunity for a small group of large-scale computational projects to have nearly exclusive use of the Der...

Deadline extended: University ASD proposal deadline now September 10

August 18, 2021 Updated: September 2, 2021

Proposals for university Accelerated Scientific Discovery (ASD) projects on Derecho and requests for large university allocations on Cheyenne are due soon: • ASD proposals for the Derecho system must be submitted by September 10. See the ASD submission instructions for details. • Large requests for Cheyenne allocations are due September 14. See the large allocation request instructions for more...

Less than 1 month until HPSS is decommissioned

September 1, 2021

Reminder! The HPSS tape archive will be decommissioned on October 1. This means file owners have less than a month left to access their files. Though time is growing short, you can still accomplish a fair amount of file-copying. At present, the system is not very busy and enough bandwidth is available to allow for quick turnaround. If you need guidance, start here. If you have questions, please...

Systems downtime for August 30-September 3

August 30, 2021

Quasar will be down for firmware updates from 8:00 am to 12:00 pm on August 31st. Nothing planned for Cheyenne, Casper, GLADE, Campaign Store, JupyterHub, or Stratus.