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News
Reminder: Apply by July 20 for the 2022 NASA GPU Hackathon
08 Jul, 2022
If you’re thinking about porting to Graphics Processing Units (GPUs) or if your NASA application is already using GPUs and you could use help getting to that next level of performance, consider applying to participate in the 2022 NASA GPU...
FY2021 HECC Annual Report Now Available
08 Jul, 2022
Browse through a collection of NASA-supported science and engineering projects showcased in the High-End Computing Capability (HECC) Annual Report for Fiscal Year 2021. The 40 highlighted activities—covering aeronautics, space exploration, Earth...
July 6: Suspend/Resume for All NAS Compute Systems, Dedicated Time for Lou
29 Jun, 2022
All NAS computing systems and the Lou mass storage system will be unavailable on Wednesday, July 6, from 10:00 a.m. to 11:59 p.m. (Pacific Time) to facilitate urgent system patching. The following services will be affected: Aitken, Pleiades,...
June 24: License Server Replacement
23 Jun, 2022
On Friday, June 24 at 9:00 a.m. (Pacific Time), we will bring online a new set of license servers for the following commercial software packages: ANSA, ANSYS, ConvergeCFD, FastX2, FieldView, IDL, Intel Compilers, Mathematica, MATLAB, PGI Compilers,...
Reminder: June 16: Suspend/Resume for All NAS Compute Systems, Dedicated Time for Lou
15 Jun, 2022
All NAS computing systems and the Lou mass storage system will be unavailable on Thursday, June 16, from 10:00 a.m. to 11:59 p.m. (Pacific Time) to facilitate system patching. The following services will be affected: Aitken, Pleiades, Electra,...
New Licensed Anaconda Software Environments Available June 14
03 Jun, 2022
Starting June 14, the conda environments used for machine learning will be provided under an Anaconda site license. General usage of the software will not change; however, there will be changes to the following procedures: Cloning conda...
Coming May 31: The NAS User Weekly Email Digest
26 May, 2022
Attention all users: Watch your inbox next week for the first issue of the new NAS user weekly digest, which will be your one-stop email for important information about planned system activities, upcoming events, and other announcements about...
Update: NAS Facility Annual Shutdown Completed
18 May, 2022
Our annual shutdown for facilities maintenance has been completed. Pleiades, Electra, Aitken, and Endeavour are now available, along with Lou, network connections, and all filesystems. Thank you for your patience as we completed critical facility...
Update: Aitken is Available
06 May, 2022
Aitken is back online and available for use. We apologize for any inconvenience. If you have been impacted by this issue, please submit a replacement job and send the Job ID to support@nas.nasa.gov so that we may raise its priority. Original...
April 6-7: Secure Front End Patching
30 Mar, 2022
The secure front ends (SFEs) will be placed in dedicated time for software patching according to the following schedule: sfe6 and sfe8: Wednesday, April 6, 7:00-7:30 p.m. (Pacific Time) sfe7 and sfe9: Thursday, April 7, 7:00-7:30 p.m. (Pacific...
Reminder: Dedicated Time for Aitken Nodes in March, April to Prepare for Expansion
28 Mar, 2022
In order to prepare for and install new nodes, Aitken's Rome and Cascade Lake nodes will be unavailable according to the following schedule (all times are Pacific Time). March 16-early April: All Rome nodes will be unavailable starting at 7:00...
March 29: Suspend/Resume for Pleiades, Electra, Endeavour, and Aitken Cascade Lake nodes, Dedicated Time for Lou
22 Mar, 2022
There will be a suspend/resume for Pleiades, Electra, Endeavour, and Aitken Cascade Lake nodes, and dedicated time for Lou, on Tuesday, March 29, from 10:00 a.m. to 11:59 p.m. (Pacific Time) to facilitate system patching. The following services...
Urgent Dedicated Time for /nobackupp17 on March 11
10 Mar, 2022
The /nobackupp17 (npb17) filesystem will be unavailable on Friday, March 11, from 8:30 to 11:30 a.m. (Pacific Time) for urgent system maintenance required to help recover from recent issues with the filesystem. During this time, I/O on nbp17 will...
Suspend/Resume for Pleiades, Electra, Aitken, Endeavour, and Dedicated Time for Lou on Mar. 3
24 Feb, 2022
There will be a suspend/resume for Pleiades, Electra, Aitken, and Endeavour, and dedicated time for Lou, on Thursday, March 3, from 10:00 a.m. to 11:59 p.m. (Pacific Time) to facilitate system patching. The following services will be affected: ...
SFE Patching on March 2-3
24 Feb, 2022
The secure front ends (SFEs) will be placed in dedicated time for software patching according to the following schedule: sfe6 and sfe8: Wednesday, March 2, 7:00-7:30 p.m. (Pacific Time) sfe7 and sfe9: Thursday, March 3, 7:00-7:30 p.m. (Pacific...
Lou Dedicated Time Scheduled for Feb. 10
03 Feb, 2022
The Lou mass storage system will be placed in dedicated time for software maintenance from 2:00 to 6:00 p.m. (Pacific Time) on Thursday, February 10. During this time, the Lou front-end systems (LFEs) and the Lou data analysis nodes (LDANs) will...
SLES Images Will Be Unavailable Starting Jan. 26
21 Jan, 2022
On Wednesday, January 26, at 8:00 a.m. (Pacific Time), PBS will no longer start jobs that request the SUSE Linux Enterprise Server (SLES) operating environments (:aoe=sles12 and :aoe=sles15). If you have not yet migrated to the default operating...
Jan. 26: Suspend/Resume for Pleiades, Electra, Endeavour, and Aitken Cascade Lake nodes, Dedicated Time for Lou and Aitken Rome nodes
19 Jan, 2022
There will be a suspend/resume for Pleiades, Electra, Endeavour, and Aitken Cascade Lake nodes, and dedicated time for Lou and Aitken Rome nodes, on Wednesday, January 26, from 10:00 a.m. to 11:59 p.m. (Pacific Time) to facilitate system patching. ...
Reminder: TOSS is Now the Default Operating System on Most NAS Systems
20 Dec, 2021
On Monday, December 20, at 8:00 a.m. (Pacific Time), the default operating system for most NAS systems changed from SUSE Linux Enterprise Server (SLES) to the Red Hat Enterprise Linux-based Tri-Lab Operating System Stack (TOSS 3). For important...
Dec. 16 Suspend/Resume Completed
17 Dec, 2021
Original Message: There will be a suspend/resume for Pleiades, Electra, Aitken, and Endeavour, and dedicated time for Lou, on Thursday, December 16, from 10:00 a.m. to 11:59 p.m. (Pacific Time) to facilitate system patching. The following...
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