Daily Bulletin Archive

Jun. 26, 2017

No Downtime: Yellowstone, Cheyenne, HPSS , Geyser_Caldera, GLADE

Jun. 20, 2017

The Cheyenne cluster will be unavailable from 8 a.m. to 5 p.m. MDT on Tuesday, June 20, to allow CISL staff to perform maintenance on several critical hardware and software components.

A system reservation will be put in place on batch jobs the afternoon of Monday, June 19. Jobs submitted with specified job times that overlap the reservation period then will remain on hold until the system is restored to service. Running jobs that have not finished when maintenance begins will be killed and will need to be resubmitted after the maintenance period.

We apologize for any inconvenience this might cause. Users will be informed via the CISL Notifier service when the systems are returned to production.

Jun. 18, 2017

HPSS Downtime Tuesday, June 20 from 7:00 am - 10:00 am

Cheyenne downtime Tuesday June 20 from 08:00 am - 05:00 pm

No Downtime: Yellowstone, Geyser_Caldera, GLADE

Jun. 16, 2017

The video and slides from CISL’s May 25 class introducing users to the Cheyenne and Yellowstone HPC systems are now available here in the CISL Course Library.

The 90-minute tutorial covers typical workflows in the Cheyenne environment as well as performance and operational differences between the Yellowstone and Cheyenne systems. In addition to the tutorial, CISL recommends that users review the Quick start: Cheyenne and GLADE file spaces documentation before working on Cheyenne.

Jun. 16, 2017

New users sometimes contact the CISL Help Desk to ask how to change their default login shell for the Cheyenne system. The quickest way to do it—for both Cheyenne and Yellowstone—is through our Systems Accounting Manager (SAM). In the “Login Shell” section of your preferences screen, select a system and then click the “Edit” button to make your change. It may take several hours for the change to take effect.

What else can you do with SAM? See this page to find out.

Jun. 1, 2017

CISL will resume enforcing the 45-day /glade/scratch purge policy on June 1. The policy was suspended during the recent transition to the new, larger GLADE scratch system. Users’ files that are not accessed (for example: modified, read, or copied) within the 45 days following June 1 will be deleted automatically on July 15.

Also on June 1, as announced previously, the read-only /glade/scratch_old file space will be removed so it can be repurposed. Yellowstone users who have not already done so should copy any scratch files that they want to keep from /glade/scratch_old to /glade/scratch before that date.

Please see GLADE File Spaces for more information about using the GLADE centralized file service.

May. 31, 2017

Time is running out for Yellowstone users to copy files that they want to keep from /glade/scratch_old to /glade/scratch. The old space is available in read-only mode until June 1, at which point it will be removed so it can be repurposed.

Users who work with numerous small files may see a difference in how much space their files occupy on the new system because of its larger block size and sub-block allocations. See this Best practice section of our GLADE documentation for guidance.

May. 31, 2017

The regular registration deadline is coming up May 31 for PEARC17, the Practice & Experience in Advanced Research Computing conference July 9-13 in New Orleans. It’s also the deadline for locking in the conference hotel room rate. (These deadlines will not be extended.) Late registration fees take effect June 1.

PEARC17 will include a robust schedule of tutorials, a special student program, and a technical program that includes four paper tracks, posters, a Visualization Showcase, and Birds of a Feather (BoF) sessions. Keynote speakers will be Paula Stephan, Georgia State University professor of economics and research associate with the National Bureau of Economic Research, and Paul Morin, founder and director of the Polar Geospatial Center, an NSF science and logistics support center at the University of Minnesota.

See the PEARC17 website for details.

May. 30, 2017

Yellowstone, Cheyenne, Geyser_Caldera, GLADE Downtime Tuesday, May 30 from 8:00 am - 6:00 pm

No Downtime: HPSS 

May. 30, 2017

The Yellowstone, Cheyenne, Geyser, and Caldera clusters and the GLADE file system will be unavailable from 8 a.m. to 6 p.m. MDT on Tuesday, May 30, to allow CISL staff to expand and upgrade the GLADE file system. When complete, GLADE’s capacity will be increased by almost 20PB.

A system reservation will be put in place on batch jobs the afternoon on Monday, May 29.  After the system reservation is in place, jobs submitted with specified job times that overlap the reservation period will remain on hold until the system is restored to service. Running jobs that have not finished when maintenance begins will be killed and will need to be resubmitted after the maintenance period.

We apologize for any inconvenience this might cause. Users will be informed via the CISL Notifier service when the systems are returned to production.

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