Radon
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Unscheduled Home Filesystem Outage
As of 12:46, December 2, the home filesystem serving Conte, Hammer, Hansen, Hathi, Peregrine1, Radon, Rice, and Snyder was restored to normal operation. All queues have been re-enabled. As of Wednesday, December 2nd, 2015 at 12:00pm EST, Conte, Hamm...
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November 3, 2015 6:15pm The maintenance for Radon is completed and the cluster has been returned to production. Original The Radon cluster will be unavailable beginning at Tuesday, November 3, 2015 from 7:00am - 7:00pm EST, for scheduled maintenance....
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Due to power work in the MSEE building, most ECN services will be unavailable between 6:30am – 9:00pm EDT on Saturday, August 15, 2015. For Research Computing users this means that software packages licensed through ECN servers will not be able to ch...
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The Hammer, Hathi, Radon, and Snyder cluster will be unavailable beginning at Wednesday, July 1, 2015 from 8:00am - 12:00pm EDT, for scheduled maintenance. The cluster will return to full production by Wednesday, July 1st, 2015 at 12:00pm EDT. The do...
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The Radon cluster will be unavailable on Tuesday, 17 March, 2015. On that day, Radon's job scheduler will be updated, and its network connection to its scratch system reconfigured. As of 5:30pm Tuesday, March 17, Radon cluster has been returned to se...
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Security updates for Conte and Radon scratch
Conte scratch has returned to full production as of approximately 2:15 pm. Update: February 26, 2015 1:20pm Radon scratch has returned to full production as of approximately 10:30 am. The work on Conte scratch is progressing as planned. Original mes...
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Research Data Depot Security Updates
As of 3:15 pm the maintenance is complete and Research Data Depot is returned to full production. Original message: The storage servers powering the Research Data Depot will undergo maintenance on Thursday, February 26, 2015 from 10:00am - 4:00pm EST...
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Important operating system updates - Community Clusters
On the morning of Thursday, February 5, 2015, Carter, Conte, Hansen, Peregrine1, Radon, and Rossmann login servers will be rebooted to apply an important Red Hat Linux operating system update. Additionally, during this time scratch storage servers w...
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Job scheduling problems on Radon Cluster
UPDATE 4:00 pm Tuesday 3 February 2015 The problem referenced below has been diagnosed and corrected, and job scheduling should work as expected on the Radon cluster. We do not believe that running jobs were affected during this outage, only the abi...
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ECN services outage - ITaP Research Computing systems impacted
Engineering Computing Network (ECN) in coordination with Physical Facilities will be conducting a planned power outage in the MSEE building from 8am until noon on Saturday, January 10th, 2015. No one will be allowed to enter the building during this...
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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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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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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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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...