Carter
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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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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 - 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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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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As of 9:00am, are seeing a problem with the LustreC scratch filesystem that serves Carter, Hansen, and Peregrine1. To prevent any more jobs from running into this, we have temporarily suspended scheduling of new jobs, though you may still submit to...
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Update: ITaP engineers have corrected the issue affecting the LustreC filesystem. The system is back in production. Job scheduling on Carter, Hansen and Peregrine1 has been restarted. As always, thank you for your patience. If you encounter any issue...
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Scheduling paused on Carter cluster
Update: 8:12pm Scheduling on Carter has been resumed, and Carter is back in full production. Original Message: Beginning the morning of April 16, a number of compute nodes on the Carter cluster are experiencing a connectivity issue. While ITaP engine...
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LustreC filesystem unavailable
Update: May 13, 2013 11:00pm: LustreC has been returned to service. Carter, Hansen, and Peregrine1 are back in production with queues enabled. Update: May 13, 2013 3:00pm: storage engineers are continuing to work with vendor support to return Lustre...
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As you may be aware, on April 5, the Board of Trustees approved the purchase of the next generation of community cluster, to be named "Conte". Since that time, ITaP staff have begun preparations for installing the new system, which will arr...
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LustreC Filesystem Maintenance
The high performance scratch file system (LustreC) supporting the Carter, Hansen, Peregrine1, and WinHPC research clusters is in need of mandatory maintenance work. The work should be performed as soon as possible in order to ensure full performance...
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Update: 11:00pm, Nov. 12, 2013 ITaP storage engineers have returned the offline hardware to production and LustreC is back in production. Queues on Hansen and Carter have been restarted as of 11:45pm. Update: 5:00pm Following consultation with vendor...
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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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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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In order to repair a hardware issue with the underlying disk storage comprising LustreC, ITaP storage engineers will execute a brief maintenance on the filesystem on Monday morning, April 7, 2014. This issue is currently impacting the filesystem's re...
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Scheduling Paused on Hansen and Carter
The scratch filesystem on Hansen and Carter is currently unavailable due to a hardware issue. Attempts to access scratch will block until the filesystem is back online. Job scheduling on Hansen and Carter has been paused while storage engineers addre...
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The Carter cluster will be unavailable beginning at 8:00am on Monday, May 19, 2014, for scheduled maintenance. The cluster will return to full production by 5:00pm, Wednesday, May 21. During this time, Carter will receive operating system patches, an...
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Lustre Maintenance - 9/30/2014
The Lustre Filesystem for Hansen and Carter will be briefly unavailable, beginning at 9:00 AM on Tuesday, September 30. At this time, ITaP engineers will perform repairs on one of the Lustre storage nodes. Access to scratch may be intermittent while...