{"id":801,"date":"2013-11-06T15:22:56","date_gmt":"2013-11-06T13:22:56","guid":{"rendered":"http:\/\/oldblogs.uct.ac.za\/blog\/big-bytes\/2013\/11\/06\/important-icts-hpc-cluster-downtime"},"modified":"2015-08-14T11:43:53","modified_gmt":"2015-08-14T09:43:53","slug":"important-icts-hpc-cluster-downtime","status":"publish","type":"post","link":"https:\/\/ucthpc.uct.ac.za\/index.php\/2013\/11\/06\/important-icts-hpc-cluster-downtime\/","title":{"rendered":"Important: ICTS HPC cluster downtime"},"content":{"rendered":"<u><strong>ICTS HPC cluster downtime<\/strong><\/u><u><strong>:<\/strong><\/u>\r\nThe ICTS HPC team will be upgrading various components of both\r\nclusters in early December.\u00a0 We will be putting the clusters into\r\ndraining mode on Friday the 6th of December.\u00a0 All worker nodes as\r\nwell as both head nodes will be powered off at <strong>9am on Monday the\r\n9th of December<\/strong>.\u00a0 All jobs must be terminated or check-pointed\r\nbefore this date.\u00a0 The cluster will be down until Wednesday the 11th\r\nof December.\r\n\r\n<u><strong>Citations:<\/strong><\/u>\r\nThose researchers who will be submitting papers or theses are\r\nreminded that one of the terms of usage is citation of the ICTS HPC resources: \u00a0<a href=\"https:\/\/ucthpc.uct.ac.za\/Citations.html\">https:\/\/ucthpc.uct.ac.za\/Citations.html<\/a>\r\n\r\n<u><strong>Utilization of the head nodes<\/strong><\/u><u><strong>:<\/strong><\/u>\r\nWe'd like to remind our users not to run jobs directly on the head\r\nnodes of the clusters.\u00a0 Placing the head node into high utilization\r\nnegatively affects all other users as well as the scheduler.\u00a0 Any\r\nprocess taking up an inordinate amount of CPU utilization will be\r\nterminated by the administrators.","protected":false},"excerpt":{"rendered":"<p><u><strong>ICTS HPC cluster downtime<\/strong><\/u><u><strong>:<\/strong><\/u><br \/>\n    The ICTS HPC team will be upgrading various components of both<br \/>\n    clusters in early December.&nbsp; We will be putting the clusters into<br \/>\n    draining mode on Friday the 6th of December.&nbsp; All worker nodes as<br \/>\n    well as both head nodes will be powered off at <strong>9am on Monday the<br \/>\n      9th of December<\/strong>.&nbsp; All jobs must be terminated or check-pointed<br \/>\n    before this date.&nbsp; The cluster will be down until Wednesday the 11th<br \/>\n    of December.<\/p>\n<p><u><strong>Citations:<\/strong><\/u><br \/>\n    Those researchers who will be submitting papers or theses are<br \/>\n    reminded that one of the terms of usage is citation of the ICTS HPC resources: &nbsp;<a href=\"https:\/\/ucthpc.uct.ac.za\/Citations.html\">https:\/\/ucthpc.uct.ac.za\/Citations.html<\/a><\/p>\n<p><u><strong>Utilization of the head nodes<\/strong><\/u><u><strong>:<\/strong><\/u><br \/>\n    We&#8217;d like to remind our users not to run jobs directly on the head<br \/>\n    nodes of the clusters.&nbsp; Placing the head node into high utilization<br \/>\n    negatively affects all other users as well as the scheduler.&nbsp; Any<br \/>\n    process taking up an inordinate amount of CPU utilization will be<br \/>\n    terminated by the administrators.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - 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