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News
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...
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...
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...
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. ...
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...
Resource Requests for Using Westmere Nodes On Pleiades
26 May, 2010
5.26.10 - Resource Requests for Using Westmere Nodes On Pleiades Over the weekend the effective computing capacity of Pleiades was increased by 44% with the addition of 24 racks of Westmere-based nodes. Despite the increase, jobs may...
Changes to Job Submission Process for Pleiades
21 May, 2010
Greetings Pleiades Users, When the Pleiades system is returned to production, 32 new Westmere racks plus 20 Nehalem racks will be open to all users for running jobs. To take advantage of the Nehalem or Westmere nodes, you will need...
Removal of old MPT modules from Pleiades
11 May, 2010
On Pleiades, all MPT modules starting with mpt.1.23 and earlier will be placed in a restricted access list starting on May 17, 2010, and will be removed from Pleiades on Nov. 15, 2010. Using these modules will cause jobs to randomly abort at...
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