Coates
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Coates Cluster Decommissioning
Coates users are reminded that the Coates cluster is scheduled for decommissioning on September 30th, 2014. Only jobs which will complete before 8:00am on September 30th will be scheduled for execution. On Friday, October 3rd, 2014 user accounts will...
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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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Scratch Purging to resume on Coates, Rossmann, Hansen, Carter
Update: Due to issues with the automated processes indexing the Lustre filesystems, resumption of scratch purging has been postponed. The first automated mailing of purge warnings for LustreA and LustreD will be sent on April 1, and the purge will oc...
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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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The Hansen, Coates, and Rossmann clusters will be unavailable beginning at 8:00am on Tuesday, January 7, 2014, for scheduled maintenance. The clusters will return to full production by 5:00pm, Wednesday, January 8. During this time, these systems wil...
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Software Stack Changes in January
On January 7th, there will be changes made to the software stack on ITaP's community clusters. A few software will have their default versions upgraded in favor of the newest versions. Many older and infrequently versions of software will also be rem...
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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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Nearly all major clusters operated by ITaP Research Computing are stopped due to issues with their storage systems relating to the power loss on the West Lafayette campus in the wake of the severe weather Sunday night. This includes: Conte, Carter,...
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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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Software Stack Changes during Carter Maintenance
Between July 8 and July 16, Carter will be unavailable due to scheduled maintenance. On July 8, there will be changes made to the software stack on most of ITaP's community clusters. Changes will include updates to the default version of the Intel co...
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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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Unexpected Power Outage in MATH
Update: Noon, 1/8/13 The power issue in MATH has been resolved. Power has been restored to the nodes in the Coates-A subcluster affected by the outage. ITaP engineers have verified that the Coates-A subcluster is operating correctly, and have restart...
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Scheduled Maintenance - RCAC home directory upgrades
Update - 7:00pm, 1/4/2013: - All community clusters (Steele, Coates, Rossmann, Hansen, Carter, and Peregrine1) are back in production. Radon is currently not in production, as ITaP engineers are addressing issues encountered during the upgrade. T...
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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 - October 2012
UPDATE: 9 October, 2012 The Coates and Rossmann Clusters have both returned to production, and their maintenance is completed, as of 11:30 am, Tuesday 9 October, 2012 The Coates and Rossmann clusters will go down for scheduled maintenance at 8:00 am...
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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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Partial outage affecting some Coates queues
Update - 6:45 pm Tuesday, 10 April 2012 ITaP engineers have found and repaired the network issue that was affecting Coates nodes type B, C and E. Job scheduling has been resumed for all queues. If you encounter any problems, please report them to rc...
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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...