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News
New iOS App Available for Remote Monitoring of HECC Jobs
07 Nov, 2014
We are pleased to announce the release of myNAS, a new mobile app that enables you to monitor your PBS jobs remotely on an iPhone or iPad. With myNAS, you can receive notifications when your jobs change state or produce output, view the status of...
NAS Online Account Request Form Authentication Has Been Updated
05 Nov, 2014
NASA is in the process of migrating its website authentication platform from Launchpad to SiteMinder. To be consistent with this change at the agency level, we recently updated the NAS Account Request form to use SiteMinder. The main difference...
Lou Mass Storage System Back in Service
29 Oct, 2014
NAS engineers have restored Lou to production, after resolving the file system problems that were caused by the power outage last week. We believe that users should see no further issues related to the problem. We apologize for the extended...
Pleiades Haswell Upgrade Completed
28 Oct, 2014
HECC engineers have now completed the latest upgrade to Pleiades, which incorporates Intel's new Haswell processors. The expansion added 15 Haswell racks, increasing the system's computational capability by approximately 25%. Theoretical peak...
Lou Mass Storage System Unavailable
28 Oct, 2014
The Lou mass storage system is unavailable at this time. While there is currently no estimated time to bring the system back online, we will be providing daily updates on the status of Lou until the problem is resolved. On Thursday October 23rd,...
Pleaides and Endeavour Back in Production After Dedicated Time
27 Oct, 2014
Pleiades and Endeavour are back up and available, and you can resume submitting jobs. The Merope system is not yet available. Thank you for your patience. If you have any questions or concerns, please contact the NAS Control Room at (800)...
Opportunity for Early Access Testing of Haswell Processors
16 Oct, 2014
As part of the rollout of the 15 new Haswell racks to Pleiades, we have started an early access period to allow users to test their codes. During this period, we are asking users to help us identify any issues and to run some performance tests as...
New Tool Available for Changing NAS Passwords Online
15 Sep, 2014
You can now change your NAS password (sometimes referred to as your Lou or LDAP password) via a new online tool, Webpass, using your RSA SecurID fob and your Agency User ID (AUID). Bookmark the following link in order to use Webpass the next time...
Firmware Fix for QP Errors on Pleiades
04 Sep, 2014
Mellanox, the vendor for the InfiniBand cards in each Pleiades node, has developed a firmware fix for the InfiniBand-related queue pair (QP) errors that caused some jobs to fail over the past several months. Testing at NAS and SGI shows that the...
Workaround for QP Errors on Pleiades
22 Aug, 2014
Note: This workaround should no longer be used. Please see information about the firmware fix in the InfiniBand QP Errors article. Over the past several months, InfiniBand-related queue pair (QP) errors have caused some jobs on Pleiades to fail,...
Merope Harpertown Racks Decommissioned, Westmere Racks Now Available
21 Aug, 2014
The Merope Harpertown racks have been decommissioned to make way for a new version of Merope, which is now available with 512 Westmere nodes, a new front-end system (mfe1), and a new PBS server (pbspl233b). When you run jobs on Merope, please...
Pleiades is Back to Full Capacity
18 Aug, 2014
After the cooling pumps were successfully installed, and some final issues were resolved, we were able to bring all four chillers back online today. Pleiades is now back up to full capacity. The Systems Status page may continue to show degraded...
NAS System Status for August 15
15 Aug, 2014
The cooling tower pumps have been repaired and were installed this week. A water pipeline on one of the pumps was corroded and is now being fixed, and we are testing the cooling system components while the pipeline is repaired. We currently expect...
NAS System Status for August 7
07 Aug, 2014
The scheduled date for the repaired cooling tower pumps to arrive at the NAS facility has slipped to Wednesday, August 13, with installation planned for the following day, August 14. No additional system downtime will be required for the...
NAS Systems Status for August 4
04 Aug, 2014
During the systems downtime over the weekend of August 2-3, NAS facilities personnel cleaned out the cooling tower reservoir and the chillers, in preparation for re-installing the cooling tower water pumps. Currently, the repaired pumps are...
Update: NAS Systems Are Available
03 Aug, 2014
NAS systems are now available and jobs can be run. Current system status is as follows: Pleiades Half capacity Westmere Half Westmere GPU Full Sandy Bridge ...
NAS System Status for July 23
23 Jul, 2014
During the weekend of August 2-3, 2014, we will shut down all NAS systems in order to clean the cooling tower. This work will be done in preparation for re-installing the cooling tower water pumps after they are repaired. The schedule has...
NAS System Status for July 22
22 Jul, 2014
We do not have any new information today on the status of repairs to the cooling tower pumps. Please continue to check back for updates. The status of NAS resources remains unchanged since yesterday: Pleiades Half capacity ...
NAS System Status for July 21
21 Jul, 2014
As mentioned in the July 18 update, we completed our inspection of the cooling tower water pumps and determined that they can be repaired. The repairs will take several weeks, during which time Pleiades will continue to run at reduced capacity. We...
Update: NAS System Status for July 18
18 Jul, 2014
We completed our inspection of the cooling tower water pumps, and determined that they can be repaired. The repairs will take several weeks. Pleiades will continue to run at reduced capacity until the repairs are complete and the pumps are returned...
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