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.

Less than two weeks until HPSS is decommissioned

September 16, 2021

Reminder! The HPSS tape archive will be decommissioned on October 1. This means file owners have less than two weeks 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, plea...

Network maintenance scheduled for 6 a.m. Thursday

September 13, 2021

Several UCAR network components will be upgraded this Thursday morning, September 16. The work is scheduled to begin at 6 a.m. MDT and is expected to take less than two hours to complete. During the maintenance period, most network services across NCAR, UCP, and UCAR will be unavailable, including GlobalProtect VPN. Some network services may be restored sooner than others once the maintenance i...

Systems downtime for September 13 - 17

September 13, 2021

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

CISL’s online makeover moving along!

September 10, 2021

Here’s a quick update on the online makeover we mentioned recently: We just added our allocation request forms to the Advanced Research Computing portal, where they joined the Daily Bulletin and our HPC system status reports. Still in the works and coming soon: • The CISL website’s new look and feel is moving along, and construction is underway. • Supercomputer user documentation will be movin...

Registration open: Free Oklahoma Supercomputing Symposium September 29

September 8, 2021

Registration is open and free for the annual Oklahoma Supercomputing Symposium, which will be held via videoconferencing from 8 a.m. to 4 p.m. MDT on Wednesday, September 29. The symposium is open to HPC professionals, graduate students, undergraduates, faculty, and other researchers. Speakers will include: • Margaret Martonosi, Assistant Director, Computer and Information Science & Engineering...

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 ...