Radon
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At the end of the Fall semester several updates and changes are planned for the software environment. These changes will make available the latest Intel compiler suite and common libraries built with the new compiler, update the default Matlab, provi...
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Anaconda, a new Python distribution
At the end of the Fall semester a change is planned for the default Python installation. It will be replaced by Anaconda, a distribution of Python that includes over 200 popular Python packages used throughout scientific computing. Some of these pack...
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Diminished network connectivity to research computing resources
Due to a network issue at the Indiana GigaPOP, connectivity to RCAC resources from off campus is intermittent. Access to the research computing web site, Globus, Thinlinc, or other research computing resources may be impacted. To work around this iss...
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Evaluation of new environment modules system
A new environment modules system, called Lmod, is available for evaluation on ITaP Research Computing clusters. ITaP Researching Computing staff are evaluating Lmod as a replacement for the current environment modules system and are looking for feedb...
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Emergency Chilled Water Maintenance
During early June, 2014, all RCAC systems housed in the Math Sciences building will be unavailable due to an emergency repair to the redundant chilled-water system serving the MATH datacenter. A major chilled water line has developed a leak, and must...
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On May 19th, there will be changes made to the software stack on ITaP's community clusters. The software stack will be updated to include the latest Intel compiler, version 14.0.2.144. Support for Intel versions 12.0.084 and 13.0.1.117 compilations w...
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Upgraded Radon Scratch Storage Available Now
As of May 5, 2014, ITaP is in the process of upgrading the hardware that provides scratch storage for the Radon cluster. When the process is completed, Radon users will have a higher-capacity, higher-performance storage system, available as /scratch...
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UPDATE - As of 7:45pm Sunday, March 16th, 2014, the fileserver maintenance has completed successfully, and cluster systems are back online. All Research Computing systems will be unavailable from 8:00am Saturday, 3/15/2014 through Sunday, 3/16/2014...
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All ITaP Research Computing systems are currently experiencing an issue with accessing network filesystems. A case has been opened with our vendor as ITaP engineers troubleshoot the issue. Cluster users may experience issues accessing files in /home,...
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Effective Use of Research Storage
On Thursday, Oct 10, a BlueArc scratch fileserver suffered a filesystem failure that resulted in data loss on several scratch filesystems. In light of this event, we'd like to take this opportunity to remind all of our cluster users of the most effec...
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Partial scratch96 filesystem outage
In the evening of 10/10/2013, the fileserver providing the "scratch96" filesystem serving some users of the Steele and Radon clusters suffered a permanent failure to its 2nd tier storage. This means that files on scratch96 that are older th...
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Update: As of about 11:00 am, the problem with the chilled water has been corrected, and scheduling has resumed on all RCAC clusters. Thank you for your patience. If you encounter any issues or have questions, please contact us at rcac-help@purdue.ed...
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Campus chilled water serving the MATH data center is experiencing above-normal temperatures, and as a precaution, scheduling on the Coates, Rossmann, Hansen, Carter, and Radon clusters has been stopped. Steele is not affected. There should be no impa...
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Software Stack Changes during Scheduled Maintenance
During the New Years' weekend holiday, all ITaP HPC resources will be unavailable due to a scheduled upgrade of research home directories. While the systems are down they will also receive several updates to the software stack and modules. These upda...
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Scheduling paused on ITaP research clusters
During scheduled network maintenance on network equipment connecting storage to ITaP clusters, all scheduling will be paused from 4-6pm. Running jobs will continue to execute, and new jobs may be submitted to PBS queues, but no new jobs will start u...
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Scheduled Maintenance for Radon Cluster
UPDATE - 12:40 pm 27 Nov 2012: The update went smoothly, with no delays or problems, and Radon has returned to service as of 12:30 pm, 5 and a half hours earlier than expected. Please let us know at rcac-help@purdue.edu if you see any problems with...
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Unscheduled Power outage in Math Datacenter
Update: 10:00pm Tuesday As of 8:30pm Tuesday 21 August 2012, the LustreB filesystem has been returned to full service. Our storage engineers with assistance of the vendor have verified that the system is stable. If you encounter any issues, please co...
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Scheduled Maintenance - August 2012
In August 2012, some RCAC systems will be down for maintenance for up to three days in order to accommodate electrical service and chilled water upgrades in the Math building and OS and scheduler upgrades on the systems. Planned Maintenance Timelin...
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Batch system and module changes on RCAC systems
Beginning with the new Carter cluster, RCAC users will note some differences in the PBS batch system and the module names available for use. This article aims to outline the reasons for these changes and describe some of the details. Why has ITaP cha...
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System Maintenance - Spring Break 2012
During the week of spring break, 2012, the Steele, Coates, and Rossmann clusters will each be down for maintenance for one day to install OS patches and update the PBS batch software to version 11.1. Additionally, the Radon cluster will be unavailabl...