Hansen
-
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...
-
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...
-
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...
-
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...
-
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...
-
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...
-
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...
-
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...
-
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,...
-
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,...
-
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...
-
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...
-
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...
-
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...
-
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...
-
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...