{"id":9616,"date":"2024-02-26T13:15:29","date_gmt":"2024-02-26T12:15:29","guid":{"rendered":"https:\/\/irg-net.com\/?p=9616"},"modified":"2024-02-26T13:16:02","modified_gmt":"2024-02-26T12:16:02","slug":"dell-powerstore-cpu-utilization-level-too-high-reduce-system-load-prior-to-ndu-cpu_usage_level_exceeded","status":"publish","type":"post","link":"https:\/\/irg-net.com\/index.php\/dell-powerstore-cpu-utilization-level-too-high-reduce-system-load-prior-to-ndu-cpu_usage_level_exceeded\/","title":{"rendered":"Dell PowerStore: CPU utilization level too high. Reduce system load prior to NDU. (cpu_usage_level_exceeded)"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"191\" src=\"https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/image-4.png?resize=1000%2C191&#038;ssl=1\" alt=\"\" class=\"wp-image-9545\" srcset=\"https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/image-4.png?w=1000&amp;ssl=1 1000w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/image-4.png?resize=300%2C57&amp;ssl=1 300w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/image-4.png?resize=768%2C147&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>During a PowerStore Appliance upgrade, one of the most common warnings during a <strong>pre-upgrade health check (PUHC)<\/strong> is the message:<strong> CPU utilization level too high. Reduce system load prior to NDU<\/strong>:<\/p>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"780\" height=\"925\" src=\"https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_110024.png?resize=780%2C925&#038;ssl=1\" alt=\"\" class=\"wp-image-9617\" srcset=\"https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_110024.png?w=780&amp;ssl=1 780w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_110024.png?resize=253%2C300&amp;ssl=1 253w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_110024.png?resize=768%2C911&amp;ssl=1 768w\" sizes=\"auto, (max-width: 780px) 100vw, 780px\" \/><\/figure>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>This is a 2-node PowerStore cluster which is to be upgraded from 3.2.x to 3.6.x. The existing checks used to find CPU usage include management and platform CPU cores.\u00a0As a result, on an idle system, it sometimes catches one of these cores running above 50% and fails the health check. In most cases, this is a false positive message. To validate this, we switch to the <strong>Hardware <\/strong>tab and then to <strong>Performance<\/strong>:<\/p>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1025\" height=\"929\" src=\"https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_114751.png?resize=1025%2C929&#038;ssl=1\" alt=\"\" class=\"wp-image-9618\" srcset=\"https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_114751.png?w=1025&amp;ssl=1 1025w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_114751.png?resize=300%2C272&amp;ssl=1 300w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_114751.png?resize=768%2C696&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1025px) 100vw, 1025px\" \/><\/figure>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>To view the CPU utilization, we select <strong>Categeory<\/strong>; <strong>CPU Utilization<\/strong> on the left-hand side and set the <strong>Timeline<\/strong> to <strong>Last 24 hours<\/strong> so that we get a useful overview:<\/p>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"646\" src=\"https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115151.png?resize=1024%2C646&#038;ssl=1\" alt=\"\" class=\"wp-image-9619\" srcset=\"https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115151.png?resize=1024%2C646&amp;ssl=1 1024w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115151.png?resize=300%2C189&amp;ssl=1 300w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115151.png?resize=768%2C485&amp;ssl=1 768w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115151.png?resize=1536%2C969&amp;ssl=1 1536w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115151.png?w=1607&amp;ssl=1 1607w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>As is difficult to see, the CPU utilization in the last 24 hours is a maximum of 15% for the first appliance. However, if you look at the second appliance, the world looks a little different:<\/p>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" src=\"https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115842.png?resize=1024%2C643&#038;ssl=1\" alt=\"\" class=\"wp-image-9621\" srcset=\"https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115842.png?resize=1024%2C643&amp;ssl=1 1024w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115842.png?resize=300%2C188&amp;ssl=1 300w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115842.png?resize=768%2C482&amp;ssl=1 768w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115842.png?resize=1536%2C964&amp;ssl=1 1536w, https:\/\/i0.wp.com\/irg-net.com\/wp-content\/uploads\/2024\/02\/2024-02-26_115842.png?w=1612&amp;ssl=1 1612w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>The general guidance would be:<\/p>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:15px\">\n<li>If the CPU utilization is around or below 50%, the upgrade may continue.<\/li>\n\n\n\n<li>If the CPU utilization is over 50%, the upgrade should be deferred to a period when the system is less busy.<\/li>\n<\/ul>\n\n\n\n<p>To put it simply, slow down the I\/O and CPU utilization to start the upgrade. <\/p>\n\n\n\n<p>Sources: <strong><a href=\"https:\/\/www.dell.com\/support\/kbdoc\/en-us\/000192018\/powerstore-cpu-utilization-level-too-high-reduce-system-load-prior-to-ndu-cpu-usage-level-exceeded\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.dell.com\/support\/kbdoc\/en-us\/000192018\/powerstore-cpu-utilization-level-too-high-reduce-system-load-prior-to-ndu-cpu-usage-level-exceeded<\/a><\/strong><\/p>\n\n\n\n<p>That&#8217;s it for this blog post, if you have any questions, please use the comment section. \ud83d\ude42<\/p>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>During a PowerStore Appliance upgrade, one of the most common warnings during a pre-upgrade health check (PUHC) is the message: CPU utilization level too high. Reduce system load prior to NDU: This is a 2-node PowerStore cluster which is to be upgraded from 3.2.x to 3.6.x. The existing checks used to find CPU usage include [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1,18,55],"tags":[],"class_list":["post-9616","post","type-post","status-publish","format-standard","hentry","category-blog","category-dellemc","category-dell-powerstore"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dell PowerStore: CPU utilization level too high. 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