Outages and Maintenance
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Important Operating System Updates - Hathi Hadoop Cluster
On the morning of Tuesday, February 3, 2015, Hathi login nodes will be rebooted to apply an important Red Hat Linux operating system update.
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Unscheduled Outage to Conte Scratch
Update 2 Storage engineers have brought Conte scratch back to full production. Job scheduling on Conte has been restored as of approximately 2:20 pm on 1/21/2015. Any job that was actively writing to scratch while the filesystem was in a degraded sta...
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ECN services outage - ITaP Research Computing systems impacted
Engineering Computing Network (ECN) in coordination with Physical Facilities will be conducting a planned power outage in the MSEE building from 8am until noon on Saturday, January 10th, 2015. No one will be allowed to enter the building during this...
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The Rossmann cluster will be unavailable on Tuesday, December 2, 2014 for maintenance on the cluster's network interconnect, and for routine operating system patches. Any PBS jobs which request a walltime which would take them past 6:00am on Tuesday,...
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Power has been restored and the Peregrine 1 cluster has been restarted and is in full production mode The Calumet campus is experiencing a power issue that has rendered Peregrine1 unavailable. Contractors are on site working to restore service, but t...
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Diminished network connectivity to research computing resources
Due to a network issue at the Indiana GigaPOP, connectivity to RCAC resources from off campus is intermittent. Access to the research computing web site, Globus, Thinlinc, or other research computing resources may be impacted. To work around this iss...
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Update: the vendor has identified and confirmed a bug in the system's software. The engineers continue assessing the situation and are working on a plan of actions. The outage window is further extended. Update: The Depot maintenance ran into some pr...
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Network Maintenance for Carter, Conte, and Hansen clusters
The Carter and Conte clusters will be briefly unavailable on Monday, October 13, 2014 for upgrades to the clusters' respective network routers. This upgrade will significantly upgrade Conte and Carter's network connectivity, as part of ITaP's 2014 re...
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Fortress HPSS Software Upgrade
Update The issues with the HPSS upgrade have been resolved with assistance from the vendor and the system is now in normal operations. Anyone using HSI or HTAR from their personal systems will need to upgrade their client to the latest (version 5) c...
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LustreD (/scratch/conte) unavailable
UPDATE: LustreD has been returned to service and scheduling has been resumed as of about 4 pm Saturday, October 4th, 2014. The LustreD filesystem, serving the Conte cluster, has become unavailable as of about 10:55 am Saturday, October 4th, 2014. Sys...
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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...
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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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UPDATE: Fortress was successfully returned to service as of 7:35 pm Wednesday, 15 July. As of 8:30am on July 15, 2014, the Fortress HPSS Archive is unavailable due to a hardware issue. Access to Fortress via HSI, HTAR, Globus, or CIFS is not availabl...
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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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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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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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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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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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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...