Hathi
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The Hathi Hadoop cluster is being retired on Friday, August 31st, 2018. This was Purdue's first generally available Hadoop cluster, and it sparked further interest in other Hadoop systems. Dedicated Hadoop resources are available for research group...
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On Thursday, August 2nd, 2018 at 6:00am EDT, all Research Computing systems will be going offline to allow for major coordinated maintenance of central cooling systems across data centers and upgrades to the research networking core. This will affect...
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All Research Computing systems suffered an unplanned outage Saturday, March 24th, 2018 at 8:15pm EDT due to a widespread power failure in the area. Thanks to diligent efforts all night and today by many teams across ITaP, all computational clusters h...
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Hathi Hadoop Cluster Maintenance
The Hathi Hadoop cluster will be down for regular maintenance and updates starting on Tuesday, February 6th, 2018 at 8:00am EST. The cluster will be returned to service by 5:00pm. During this time, Hathi will be upgraded to a new Hadoop base image,...
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Purdue University will be observing a holiday break from December 23 - January 2. During this time, Research Computing services will continue to be available, but all staff will be on leave. Critical system outages will be dealt with should they occ...
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The Emergency Hathi Maintenance has been concluded. Thank you for your patience. The Hathi cluster will be unavailable beginning at Thursday, November 30th, 2017 at 8:00am EST, for scheduled maintenance. The cluster will return to full production by...
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Update as of 5:00 PM the cluster is back in production. The Hathi cluster began experiencing various issues stemming from a recent kernel upgrade around 7:00am EST. Engineers are currently diagnosing the issue and are working to identify a fix. We wi...
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Radon, Hathi, and WSC Hadoop Cluster Maintenance
The Hathi, Radon, and WSC Hadoop clusters will be unavailable beginning at Friday, November 3rd, 2017 at 5:00pm EDT, for scheduled electrical power maintenance. The clusters will return to full production by %enddatetime%. During this time, some of t...
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Access to Data Depot from the Halstead, HalsteadGPU, Hathi, Rice, Scholar, and Snyder clusters has hung starting around Thursday, September 7th, 2017 at 1:30pm EDT. Engineers are currently working to restore service to these systems. Job scheduling h...
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The Hathi cluster has been taken down for emergency maintenance to address a security issue. Engineers are investigating the situation now and we will update this as we are able to determine a return to service.
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A failure has occurred in the systems which serve Data Depot to the various research clusters. Engineers are currently diagnosing the issue and are working to identify a fix. Job scheduling has been paused on all systems while this issue is being add...
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Conte and Hathi Cluster Maintenance
The Conte and Hathi clusters have been updated and returned to full production. This is a gentle reminder that the Conte and Hathi clusters will be undergoing a scheduled maintenance beginning at Tuesday, February 21st, 2017 at 8:00am EST. Please sa...
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The Carter Cluster was returned to production at 10:45pm on November 7. We apologize for this extended outage. Update: November 7, 2016 6:01pm Work on reinstalling the Carter nodes continues. All other systems have returned normal operations. We...
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Home Filesystem Maintenance - All Clusters
Conte has been returned to normal operations as well now. This concludes the home directory maintenance on all systems. Update: September 27, 2016 11:55pm All systems other than Conte have been successfully returned to normal operations with the ne...
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Degraded performance of several systems
We have seen a significant wave of these events this morning, September 21. For the most part, this wave seems to have been linked to a storage problem that has been resolved. However, we are implementing new monitoring and response procedures toda...
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The underlying storage has been fixed, and all these clusters have been returned to normal operations as of 10:00pm EDT. As of Tuesday, June 7th, 2016 at 4:10pm EDT, Conte, Hansen, Hathi, and Radon are unavailable due to a loss of Isilon home direct...
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An issue was discovered shortly after Conte, Hansen, Hathi, and Radon were brought back online with the /group path on several front-ends and nodes. Any scripts or jobs that rely on the /group path may have had issues immediately following return to...
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The Isilon filesystem was restored to normal service and all affected clusters had it remounted as quickly as was sustainable by the filesystem. This process was completed by Wednesday, May 18th, 2016 at 12:15am EDT. All clusters other than Conte (...
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Hathi & WinHPC Power Maintenance
The Hathi and WinHPC clusters will be unavailable beginning at Thursday, February 4th, 2016 at 6:00am EST, for scheduled maintenance to the power feed. Both clusters will return to full production by Thursday, February 4th, 2016 at 5:00pm EST. During...
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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...