Halstead
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The Halstead cluster will be unavailable beginning at Thursday, April 6th, 2017 at 8:00am EDT, for scheduled maintenance. The cluster will return to full production by Thursday, April 6th, 2017 at 11:59pm EDT. During this time, Halstead will have the...
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Halstead nodes continue to come back online. While the cluster is operating normally, the total amount of available nodes is not yet at full capacity. We will update on the situation by 6:00pm. Update: Scheduling has been restarted and jobs are cur...
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Halstead MPI problem, scheduling paused
Following the security updates on Halstead, an issue was discovered that prevented multi-node MPI jobs from running properly. Scheduling on Halstead has been stopped, and systems engineers are working on fixing the issue. We will provide further stat...
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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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The maintenance work was completed successfully and Halstead has been returned to normal operations as of Wednesday, January 11, 2017 at 12:00pm. Original Message The Halstead cluster will be unavailable beginning at Wednesday, January 11th, 2017 at...
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The Halstead cluster will be unavailable beginning at Wednesday, January 4th, 2017 at 10:00am EST, for scheduled early-access maintenance (see Halstead Cluster Early Access Policies). The cluster will return to full production by Wednesday, January 4...
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The Halstead cluster is back online as of 4:50 PM after scheduled early-access maintenance. Unfortunately, queued jobs were lost due to complications during maintenance. If you had any jobs queued and waiting before maintenance started, you will need...
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The maintenance work was completed successfully and Halstead has been returned to normal operations as of Wednesday December 14, 2016 at 10:00am. Original message: The Halstead cluster will be unavailable beginning at Wednesday, December 14th, 2016 a...
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The Halstead cluster will be unavailable beginning at Wednesday, December 7th, 2016 at 1:00pm EST, for scheduled early-access maintenance (see Halstead Cluster Early Access Policies). The cluster will return to full production by Wednesday, December...
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Update: Engineers were able to isolate the problem and restart the necessary systems. The Data Depot should be available again. Halstead users should double check their running work. A portion of the systems serving the Research Data Depot have suffe...
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Halstead Cluster Early Access Policies
Some reminders about the current operational status of Halstead: Halstead is currently in early access testing mode. The system is still being fully qualified by ITaP engineers and during this early access period, the cluster's nodes, network, and m...
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Transition to hierarchical modules on Halstead
Halstead's module stack is configured in a hierarchical fashion, a change from the "flat" module configuration on previous clusters. This change may require some minimal changes to your job scripts. This change will help prevent errors and...