Maintenance
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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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During the March 12 to March 14 maintenance window, the WinHPC cluster will be unavailable due to upgrades to the electrical service in the MATH data center. WinHPC will be shut down at 8:00 am Tuesday, 12 March, 2013, and is expected to return to se...
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On Tuesday, 12 March 2013, the samba.rcac.purdue.edu host will be offline for about 2 hours between 8:00 and noon for maintenance. This will not affect any running jobs or new job submission, but will mean that people who use Samba to map their home...
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Updated, 3/29/2013 During the datacenter migration the core server for the Fortress HPSS system experienced a failure with its boot device. Vendor engineers are working on the issue, and as a result, the estimate to Fortress's return to production ha...
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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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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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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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Maintenance completed on LustreD filesystem
UPDATE 6:00 pm 14 Dec 2013 As of 5:45 pm we believe this problem has been corrected and Conte has returned to normal operation. The LustreD filesystem, serving the Conte cluster, is experiencing some issues as of about 4:30 pm Saturday 14 Dec 2013. S...
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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...
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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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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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During the maintenance scheduled for 3/15/2014-3/16/2014, the Rossmann cluster will be upgraded to Red Hat Enterprise Linux, version 6. Only those PBS jobs with walltimes short enough that they will finish prior to the beginning of this maintenance...
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Fortress HPSS Archive Maintenance
The IBM T3584 tape library serving Fortress is scheduled to be down Wednesday, March 19, 2014 from 8AM to 5PM for a hardware upgrade. Additional tape capacity and tape drives will be added to support increased demand. HPSS will remain accessible, ne...
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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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The Peregrine1 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, Tuesday, May 20. During this time, the cluster's network link to West Lafayette...
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During the maintenance scheduled for May 19-20 the Hansen cluster will be upgraded to Red Hat Enterprise Linux, version 6. Only those PBS jobs with walltimes short enough that they will finish prior to the beginning of this maintenance period are bei...
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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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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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On Tuesday and Wednesday, July 22-23, 2014, the Conte cluster will be unavailable for system upgrades. During this upgrade, Conte will receive several significant new capabilities: Infiniband drivers will be upgraded, enabling native Infiniband conne...
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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...