Radon
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Radon Linux cluster unavailable
The Radon Linux cluster will be unavailable from 8am-5pm on Thursday, August 14, while its job scheduler is upgraded from PBSPro version 8.0 to version 9.1. A scheduling reservation has been installed and only those PBS jobs with walltimes less than...
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RCAC system and data center maintenance
RCAC systems including the DXUL/fortress archival storage system will be unavailable beginning at 8am Tuesday, 3/17, while system and MATH data center maintenance is performed. All systems are expected to be back in service by 6pm Thursday, 3/19, and...
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The Radon Linux cluster will be unavailable Tuesday and Wednesday, August 25-26, for hardware upgrades and a conversion from Debian Linux to Red Hat Enterprise Linux 5 (RHEL5). Since this upgrade changes the version of Linux used on the cluster, all...
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All RCAC systems unavailable some portion of Tue-Fri, 3/29-4/1
All RCAC systems will be unavailable on Tuesday, March 29th from 3:00am – 6:00pm. The Rossmann, Coates, Radon, and Moffett clusters will remain down through 6:00pm Thursday, March 31st. Update, 9:00am, March 29: Power has been restored to the Math b...
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Aug. 5-17 research computing system outage FAQ
What’s happening? ITaP’s research computing systems will be shut down beginning at 5 p.m. Friday, Aug 5, including the Rossmann, Coates, Moffett and Radon clusters. The supercomputers are scheduled to be off until Wednesday, Aug. 17. Why? An outage r...
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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...
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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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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 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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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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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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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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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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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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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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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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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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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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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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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...