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Hansen

  • 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...

  • Hansen and WinHPC clusters at reduced capacity

    On December 21, 2013, the Hansen and WinHPC clusters will operate at reduced capacity while datacenter power maintenance is performed on a portion of the system. In the days leading up to December 21st, this will appear as potentially increased queue...

  • Network Storage Outage

    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,...

  • Most Major Clusters Stopped

    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,...

  • LustreC hardware issue

    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...

  • 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...

  • 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...

  • 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...

  • 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...

  • Unscheduled Outage to LustreC

    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...

  • Scratch Filesystem Problem

    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...

  • Chilled water outage in MATH

    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...

  • Chilled water outage in MATH

    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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • Batch system and module changes on RCAC systems

    Beginning with the new Carter cluster, RCAC users will note some differences in the PBS batch system and the module names available for use. This article aims to outline the reasons for these changes and describe some of the details. Why has ITaP cha...

  • Lustre unavailable on Hansen cluster

    Update: As of 9:45pm, Lustre is back in production and scheduling has resumed on Hansen. Original Notice: As of approximately 8:00pm February 7, an issue was found the Lustre filesystem on Hansen making the filesystem unavailable for use. ITaP engine...