Radon
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The Radon cluster has reached the end of its useful lifespan and will be decommissioned on Monday, April 2nd, 2018. Radon has served the Purdue research community for a great many years and has undergone radical changes during that time. However, du...
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All Research Computing systems suffered an unplanned outage Saturday, March 24th, 2018 at 8:15pm EDT due to a widespread power failure in the area. Thanks to diligent efforts all night and today by many teams across ITaP, all computational clusters h...
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New Windows Network Drive (SMB) Access
All Windows network drives (SMB/CIFS access) for scratch filesystems on all clusters and home directories have moved! You should change your mapped network drives to connect to: \\scratch.my_cluster_name_here.rcac.purdue.edu\my_cluster_name_here Or f...
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Unscheduled Depot Outage on Compute Clusters
The servers providing access to Data Depot from Brown, Conte, Halstead, HalsteadGPU, Radon, Rice, Scholar, and Snyder suffered a partial failure. Many nodes in these clusters temporarily lost access to Depot. Jobs accessing files on Depot may have pa...
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Purdue University will be observing a holiday break from December 23 - January 2. During this time, Research Computing services will continue to be available, but all staff will be on leave. Critical system outages will be dealt with should they occ...
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Radon, Hathi, and WSC Hadoop Cluster Maintenance
The Hathi, Radon, and WSC Hadoop clusters will be unavailable beginning at Friday, November 3rd, 2017 at 5:00pm EDT, for scheduled electrical power maintenance. The clusters will return to full production by %enddatetime%. During this time, some of t...
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Unscheduled Outage in Math Data Center
At approximately 2:00pm EDT on Tuesday, September 5th, 2017, the Math building data center lost some power feeds which supply the Conte, Halstead, HalsteadGPU, Hathi, and Radon clusters. Scheduling on these has been paused until we can be sure power...
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Hathi, Radon, and Specialized Cluster Maintenance
Update message: After performing necessary repairs, Radon has been returned to service. -- Previous message: After consulting with vendor support, we have determined that Radon has experienced a failure in its network hardware. Parts and and a vendo...
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Engineers have restored failed core servers back to a functional state. Data Depot is up and running as normal and job scheduling resumed. Should you encounter any lingering issues please let us know at rcac-help@purdue.edu Original Message Some core...
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Emergency Security Patching of RCAC Clusters
Due to a recent security vulnerability, the Carter, Halstead, Hammer, Radon, Rice, Scholar, and Snyder clusters will have their operating system upgraded to a newer version during February 2, 2017 5:00pm - March 2, 2017 5:00pm EST. Unlike other cl...
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Job scheduling paused on Radon
Job scheduling was paused on Radon between 6 pm and 7 pm this evening. Node monitoring processes marked most nodes offline around 6 pm, preventing new jobs from starting. System engineers cleared the fault in the node monitoring, and nodes came back...
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Home Filesystem Maintenance - All Clusters
Conte has been returned to normal operations as well now. This concludes the home directory maintenance on all systems. Update: September 27, 2016 11:55pm All systems other than Conte have been successfully returned to normal operations with the ne...
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Degraded performance of several systems
We have seen a significant wave of these events this morning, September 21. For the most part, this wave seems to have been linked to a storage problem that has been resolved. However, we are implementing new monitoring and response procedures toda...
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Update As of 5:50 pm, Tuesday, 16 Aug 2016, the Radon cluster has been returned to service and is fully operational. Thank you for your patience. Update Due to unanticipated conflicts between the upgraded scheduler and our network configuration, the...
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Engineering Computing Network (ECN) will be performing scheduled maintenance this weekend on several ECN server resulting in their unavailability for a short time. Some ECN services will be affected, including several software license servers for ITa...
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The underlying storage has been fixed, and all these clusters have been returned to normal operations as of 10:00pm EDT. As of Tuesday, June 7th, 2016 at 4:10pm EDT, Conte, Hansen, Hathi, and Radon are unavailable due to a loss of Isilon home direct...
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An issue was discovered shortly after Conte, Hansen, Hathi, and Radon were brought back online with the /group path on several front-ends and nodes. Any scripts or jobs that rely on the /group path may have had issues immediately following return to...
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The Isilon filesystem was restored to normal service and all affected clusters had it remounted as quickly as was sustainable by the filesystem. This process was completed by Wednesday, May 18th, 2016 at 12:15am EDT. All clusters other than Conte (...
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ECN services outage - ITaP Research Computing systems impacted
Engineering Computing Network (ECN) will be performing staged patching and reboots of all of ECN's RedHat Linux workstations and servers to protect against a serious vulnerability in glibc system library. A significant number of ECN services will be...
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Unscheduled Outage in Math Data Center
Most of the impact of this turned out to be to the Depot storage system, which has now been restored to normal operations. All the other affected systems are showing a return to normal operations now. Original Message: As of Thursday, February 4th,...