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News
All Westmere Racks Removed from Pleiades
20 Jun, 2016
All Westmere racks (including the Westmere-based GPUs) were removed from Pleiades on June 20 in order to accommodate 14 new racks containing additional Intel Broadwell processors. The new Broadwell racks are being installed and are scheduled to be...
Shift Transfer Tool Upgrade Provides New Features
23 May, 2016
The latest upgrade to the Shift transfer tool, shiftc, provides the following enhancements to automated transfer components: Six new dedicated nodes are now transparently available for Shift transfers. All six nodes have access to the Pleiades...
Second Phase of Pleiades Broadwell Upgrade Completed
05 May, 2016
HECC engineers have added 4 more new racks containing Intel's E5-2680v4 Broadwell processors, completing the latest Pleiades augmentation. A total of 14 Broadwell racks are now incorporated into Pleiades, increasing theoretical peak performance...
New PBS Command Enables Release of Idle Nodes from Jobs Running on Merope
05 May, 2016
The new pbs_release_nodes command enables you to release nodes from jobs running on Merope when it benefits you to do so. For example, during post-processing steps, most of the nodes held by a job are idle; when you release those nodes, the job...
Allocation Period Start Date for All Organizations Changing to Nov. 1
26 Apr, 2016
Starting November 1, 2016, the allocation period for all organizations will be Nov. 1 – Oct. 31 each year. In order to transition to the November award cycle, all allocations for the May 2016 award cycle will be for only 6 months (ending Oct. 31,...
myNAS Mobile App for Android and iOS
23 Feb, 2016
Have you tried the myNAS app? myNAS enables you to monitor your PBS jobs on Pleiades, Endeavour, and Merope. You can receive notifications when your jobs change state, view job status and output files, check computing resources, and access the...
HECC to Break Ground on New Modular Supercomputing System
09 Nov, 2015
As part of NASA's vision for next-generation supercomputing technologies, HECC has initiated a pilot study for a prototype modular supercomputing system (MSS) designed to save millions& gallons of water per year. Site construction for the MSS,...
HECC Knowledge Base Enhanced with Easier Navigation, Improved Search
28 Aug, 2015
We are pleased to announce that we've recently updated the HECC Knowledge Base (KB) with enhancements to improve usability and help you find information more quickly. Changes include: Updated Browsing Menu Articles are now organized in a way...
Merope Augmented with 448 More Westmere Nodes
28 Aug, 2015
HECC engineers recently augmented Merope with 448 additional Westmere nodes that were repurposed from Pleiades, bringing the total number of Merope Westmere nodes to 1,152. The installation was preceded by the removal of all of Merope's Nehalem...
New MPT Default Version Is mpi-sgi/mpt.2.12r26
03 Aug, 2015
As of today, the default SGI MPT module mpi-sgi/mpt points to mpi-sgi/mpt.2.12r26. MPT version 2.12r26 includes multiple fixes for issues that were discovered with the previous default version, mpt.2.12r16. Users are strongly recommended to use...
Older Java Versions Were Removed on July 28
23 Jul, 2015
Original article: Oracle has released a new version of Java to address some security vulnerabilities, and no longer releases patches for the 1.7 versions. Therefore, older versions of Java must be removed from NAS systems. The latest versions...
Older Intel Compilers Were Removed on July 27
13 Jul, 2015
Original article: The following compiler modules will be removed from Pleiades, Endeavour, and Merope on Monday, July 27, 2015: comp/intel/11.0.069_64 comp/intel/11.0.074_64 comp/intel/11.0.081_64 comp/intel/11.0.083_64 comp-intel/11.1.038...
Nehalem Nodes Removed from Merope
08 Jul, 2015
NAS systems engineers have removed the Nehalem nodes from Merope in preparation for adding more Westmere nodes, which are being repurposed from Pleiades. If you have any questions or concerns, please contact the NAS Control Room at (800)...
Update: Older MPT Modules Removed from Pleiades
08 Jul, 2015
The following MPT modules have been removed from Pleiades: test/mpt-2.13-10Apr15 test/mpt-2.13-8Apr15 test/mpt-2.13-6Apr15 test/mpt-2.13-24Mar15 test/mpt-2.12-23Jan15 test/mpt-2.12-22Jan15 test/mpt.2.12a83 test/mpt.2.12a39 ...
New Version of Shift Transfer Tool Now Available
10 Jun, 2015
A newly installed version of the Shift tool provides several optimizations, new features, and bug fixes. For example: Source directory traversal during initialization is now performed in the background and can be parallelized, stopped, and...
New ASTRO Share on Pleiades for Astrophysics
08 Jun, 2015
Beginning June 9, 2015, or when NAS systems return to production, all Pleiades jobs that are submitted under Astrophysics GIDs will be run in the new ASTRO share of Pleiades. The list of affected Astrophysics GIDs can be found here. If you believe...
Merope Returned to Full Production
29 Apr, 2015
NAS teams have resolved several performance and stability issues with the Merope supercomputer, and the system has been returned to full production. It is now available to all users. Merope has also been been enhanced with 448 Nehalem nodes that...
Attention SMD Users: New Output Format for acct_ytd Utility
26 Mar, 2015
For currently active Science Mission Directorate (SMD) projects on HECC systems, there are two different new operational period (NOP) start dates: May 1, 2014 and November 1, 2014. However, the acct_ytd utility assumed a May 1 start date for...
NVIDIA K40 GPU-Enhanced Nodes Added to Pleiades
17 Mar, 2015
Pleiades has been expanded with 64 new Sandy Bridge nodes enhanced with NVIDIA Tesla K40 graphics processing units (GPUs). Each GPU-enhanced Sandy Bridge node contains 64 GB of memory — twice the amount of memory as a standard Pleiades Sandy Bridge...
Status of HECC Lustre Filesystems
06 Mar, 2015
Dear NAS Users, Here is some information on the status of the HECC Lustre filesystems. The problems that we have been having with the filesystems for the past couple of months are related to the removal of older Westmere racks and the...
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