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News
User Training Session on December 7th
02 Dec, 2011
Our series of web-based user training sessions continues with "Where Should I Run My Job?" on Wednesday December 7, 2011 at 11am PT. This webinar covers various aspects of where to run jobs on Pleiades. The available hardware resources (in...
NASA Selects Next-Generation SGI Platform for Technology Upgrade
08 Nov, 2011
NASA has selected the next-generation SGI® ICE high performance computing platform to extend the computational capability of the Pleiades supercomputer, operated by the NASA Advanced Supercomputing Division at Ames Research Center. The...
NASA Ames Inks Lustre Support Deal with Whamcloud
28 Oct, 2011
Whamcloud, Inc., has announced a Lustre support contract with the NASA Advanced Supercomputing (NAS) Division at Ames Research Center, to provide better operational continuity for NAS's high-performance computing environment. Lustre, the massively...
User Training Sessions Begin November 9th
27 Oct, 2011
HECC has designed a series of new, web-based training sessions (webinars) to help users get the most benefit from their computational time on NAS systems. The first session will be especially relevant for new users, and may serve as a refresher...
NAS Transition to 8 Character RSA SecurID Token PIN
13 Oct, 2011
WHAT: RSA SecurID Token PINs changing to 8 alphanumeric characters WHEN: 5:00 a.m. PDT, Tuesday November 1st NAS will be changing RSA SecurID token PINs to 8 alphanumeric characters. If you do not already have an 8-character PIN that complies...
HECC Monthly Reports Available Online
14 Sep, 2011
Curious about the behind-the-scenes work to keep our world-class supercomputing facility operating smoothly? Take a look at this year's online collection of HECC monthly reports, which highlight: Support for selected NASA science and and...
Improving File Transfer Rates
25 Aug, 2011
If you're experiencing slow file transfer rates, you may be able to increase network performance an order of magnitude or more using a few simple techniques. You can find some quick tips in a new HECC Knowledge Base article, "Increasing File...
Pleiades devel Queue Move to Separate Server
15 Aug, 2011
Pleiades devel Queue Move to Separate Server WHAT: A new server, pbspl3, will be set up to improve the scheduling time for the devel queue. WHEN: During August 20-21 system outage IMPACT: Users will have to specify the server when...
New Modification to Pleiades Output
21 Jul, 2011
TO: All NAS Users WHAT: Users' Pleiades output now includes a job summary block with Lustre filesystem statistics. WHEN: New feature will be effective Tuesday, July 26, 2011 IMPACT TO USERS: When a PBS job reads or writes to a...
Reminder: Required IT Security Training Deadline is July 29th
14 Jul, 2011
If you have not yet done so, please complete the annual IT Security Training via SATERN (System for Administration, Training, and Educational Resources at NASA), which is a requirement for having a NAS account. Related to this training, NAS is now...
Pleiades Achieves Sustained Petaflop/s Rate After Expansion
20 Jun, 2011
During last week's dedicated time to expand Pleaides, the system attained a sustained performance rate of 1.09 petaflop/s on the LINPACK benchmark run. With this achievement, Pleiades climbed to 7th place on the TOP500 list released earlier today. ...
New Remote Network Diagnostic Tools Available
20 Jun, 2011
NAS now offers a collection of web-based network diagnostics tools that allows remote users to troubleshoot and identify any configuration or local network issues. The Network Path and Application Diagnosis (NPAD) and Network Diagnostic Tester...
Migration to NASA-Wide SecurID Authentication System
20 Jun, 2011
UPDATE: On Monday, June 20, 2011, NAS began the transition from using its current local RSA SecurID servers to using the Agency's RSA SecurID servers, as part of a mandated Two-Factor Token Infrastructure (TFTI) project to perform SecurID...
Welcome to the New HECC Website
25 May, 2011
This new High-End Computing Capability (HECC) website is designed to help you quickly get all the information you need to efficiently run your computational jobs at the NAS facility. The new website is now the place to come to for the most...
Mass Storage Filesystem Upgrades
24 May, 2011
New filesystems have recently been added to the mass storage systems Lou1 and Lou2 to increase the available disk cache. On Lou1, a 60-TB filesystem and a 120-TB filesystem have been added (287 TB total). On Lou2, two 60-TB filesystems and a 120...
New Common Standard Billing Unit Effective May 1, 2011
21 Apr, 2011
Starting May 1, 2011, a new common Standard Billing Unit (SBU) will be used for allocating and tracking computing time usage at both the NASA Advanced Supercomputing (NAS) Facility and the NASA Center for Climate Simulation (NCCS). TO: All NAS...
Migration to New Ticketing System
08 Mar, 2011
FOR WHOM: All NAS Users WHAT: Migration to New Ticketing System WHEN: Tue., Mar. 8, 2011, 6:00-10:00 am (Pacific) DETAILS: Assuming there is no shuttle-related processing or furlough, we will be transitioning to a new ticketing system for...
Lou Dedicated Time
03 Feb, 2011
The mass storage system, Lou3, will be in dedicated time for hardware maintenance on February 3, 2011 from 3:00 p.m. to 5:00 p.m. Pacific Time. Please plan accordingly. If you have any questions or problems, please send email to...
Changes to Pleiades Default Stripe Count and Stripe Size
07 Jan, 2011
The default stripe count and stripe size on the Pleiades Lustre filesystems will be changed on Thursday, January 13, 2011, 8:00 a.m. Pacific Time. For Whom: All Pleiades Users with Data on /nobackupp[10-60] What: Changes to the Default Stripe...
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