CISL Daily Bulletin

Current Announcements

Monday, September 29, 2014

HPSS Downtime: Tuesday, September 30 from 8:00 am - 1:00 pm

No Scheduled Downtime:  Yellowstone, Geyser_Caldera, GLADE

Monday, September 29, 2014

CISL has scheduled an extended High Performance Storage System (HPSS) downtime for Tuesday, Sept. 30, for preventive maintenance. HPSS will be unavailable from 8 a.m. to 1 p.m. that day as Oracle personnel perform a deep cleaning of the storage libraries at the NCAR-Wyoming Supercomputing Center to prevent tape-robot issues.

Monday, September 29, 2014

The UCAR Center for Science Education (http://scied.ucar.edu/) will be holding a brown-bag lunch meeting from 12 p.m.-1 p.m. on Tuesday, September 30, in the Mesa Lab Damon Room. The meeting will explore educational ideas that support computer science (CS) and computational thinking with K-12 students. You will hear some alarming statistics that convey the current CS landscape and why there's a strong interest in helping address "a need where we lead." Your perspectives and personal stories will help inform a course forward. Come and share your ideas, hear about the upcoming computer science AP course and exam, and contribute your expertise in helping to form an intelligent path forward to make a meaningful difference.

Contact: Teri Eastburn, UCAR Sci. Ed., x1152, eastburn@ucar.edu

 
Friday, September 26, 2014

The XSEDE training course “Linux/Unix Basics for HPC” is scheduled for 9 a.m. to noon Thursday, October 9. Presented by the Texas Advanced Computing Center, it will provide beginning and intermediate users with basic Linux/Unix command line environment experience. Participants can register to attend by webcast as well as in person. Registration closes at 5 p.m. CDT on October 2.

The lecture will emphasize common strategies used for interacting with clusters and HPC resources. A student guide with suggested supplemental reading and a Linux/Unix command line environment practice lab, as well as a Command Reference Guide (with interactive system and batch commands) are included. There are no prerequisites.

The labs will be available for remote users. However, the presenters will not be able to assist remote users with problems during the lab.

Wednesday, September 17, 2014

Update 10 a.m. Sept. 30: The upgrades have been completed.

Starting September 24, the GPUs in the Caldera cluster will be upgraded from NVIDIA M2070Q to NVIDIA K20X accelerators over the following week. The Caldera nodes will be removed from service four at a time and returned to service with upgraded GPUs.

We expect that most users will not be affected by the mix of old and new GPUs during this period. Any user who needs to work with a homogeneous set of Caldera nodes or needs to know the GPU model on the nodes should contact cislhelp@ucar.edu, and we will provide the current GPU status on the cluster.

Compared to the M2070Q, the K20X adapters are based on NVIDIA's newer Kepler architecture and, with six times as many CUDA cores and 70% more memory bandwidth, offer substantially improved performance over the current Fermi-based cards.

 

Previous Announcements

Tue, 09/23/2014

Video and slides from the September 17 CISL best-practices webinar “HPSS: Using your terabyte-years wisely” are now available on the CISL web site. See the course page to review the material.

If you have suggestions for other training topics that you would find useful, please let us know via our feedback form.


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Maintenance Schedule

 System

Time

Day

Yellowstone0700-13001st Tuesday, if needed
Geyser/
Caldera
0700-13001st Tuesday, if needed
GLADE0700-13001st Tuesday, if needed
HPSS0700-0900Tuesdays
Janus0800-17001st and 3rd Wednesday, if needed
   

About the CISL Daily Bulletin

The Daily Bulletin is published by the Computational and Informational Systems Laboratory of the National Center for Atmospheric Research. The Daily Bulletin (or “Daily B”) is a newsletter of system news, changes to the CISL environment, and reminders of the regularly scheduled maintenance periods for major CISL resources. You can read the Daily Bulletin in your email, or on the web.

All new CISL user accounts (i.e., [your UCAR username]@ucar.edu) are subscribed automatically to the Daily B mailing list. You can change your Daily B preferences, subscribe, or unsubscribe online.

For more information about Daily Bulletin items, send email to cislhelp@ucar.edu or call 303-497-2400.  To contribute items to the Daily Bulletin, email them to dailyb@ucar.edu.