{"id":251,"date":"2016-05-09T15:01:30","date_gmt":"2016-05-09T15:01:30","guid":{"rendered":"http:\/\/michaelstoica.com\/?p=251"},"modified":"2016-05-09T15:01:30","modified_gmt":"2016-05-09T15:01:30","slug":"windows-server-2016-failover-cluster-node-fairness","status":"publish","type":"post","link":"https:\/\/michaelstoica.com\/site\/windows-server-2016-failover-cluster-node-fairness\/","title":{"rendered":"Windows Server 2016 Failover Cluster Node Fairness"},"content":{"rendered":"<p>In Windows Server 2016 TP 5 Microsoft brings the Node Fairness feature, something that \u00a0was requested and voted on the \u00a0<a href=\"https:\/\/windowsserver.uservoice.com\/forums\/295074-clustering\/suggestions\/7950630-vm-placement-without-system-center?tracking_code=5c9700f2e0bad81fd45df1b5dadb4473\">Windows Server Voice<\/a>\u00a0as VM Placement without SCVMM.<\/p>\n<p>Virtual Machine placement without System Center Virtual Machine Manager \u00a0was not possible until the release of Windows Server 2016 TP 5. It was not possible to have a dynamic placement of the VM based on the nodes load\u00a0without having\u00a0System Center Virtual Machine Manager.<\/p>\n<p>So what does the Node Fairness feature\u00a0does?<\/p>\n<p>The Node Fairness feature will identify the nodes that are over committed based on an evaluation of the memory pressure and CPU utilization after which \u00a0will automatically live migrate the VMs from that nodes without any downtime.<\/p>\n<p>The aggressiveness of balancing can be controlled only using the\u00a0powerhsell command <em>(Get-Cluster).AutoBalancerLevel = value<\/em> (1- low, 2-medium, 3-high).<\/p>\n<p>If you are using SCVMM in your environment and have the dynamic optimization feature enabled this\u00a0will automatically disable the Node Fairness feature, since both of them are doing the same thing.<\/p>\n<p>You can read more about Node Fairness <a href=\"https:\/\/blogs.msdn.microsoft.com\/clustering\/2016\/04\/29\/failover-cluster-node-fairness-in-windows-server-2016\/\">here<\/a>.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Windows Server 2016 TP 5 Microsoft brings the Node Fairness feature, something that \u00a0was requested and voted on the \u00a0Windows Server Voice\u00a0as VM Placement&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/michaelstoica.com\/site\/windows-server-2016-failover-cluster-node-fairness\/\">Continue reading<span class=\"screen-reader-text\">Windows Server 2016 Failover Cluster Node Fairness<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"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":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[18,26,15,8,19],"class_list":["post-251","post","type-post","status-publish","format-standard","hentry","category-general","tag-clustering","tag-dynamic-optimization","tag-hyper-v","tag-virtualization","tag-windows-server-2016","entry"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p63Lge-43","_links":{"self":[{"href":"https:\/\/michaelstoica.com\/site\/wp-json\/wp\/v2\/posts\/251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/michaelstoica.com\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/michaelstoica.com\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/michaelstoica.com\/site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/michaelstoica.com\/site\/wp-json\/wp\/v2\/comments?post=251"}],"version-history":[{"count":8,"href":"https:\/\/michaelstoica.com\/site\/wp-json\/wp\/v2\/posts\/251\/revisions"}],"predecessor-version":[{"id":259,"href":"https:\/\/michaelstoica.com\/site\/wp-json\/wp\/v2\/posts\/251\/revisions\/259"}],"wp:attachment":[{"href":"https:\/\/michaelstoica.com\/site\/wp-json\/wp\/v2\/media?parent=251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/michaelstoica.com\/site\/wp-json\/wp\/v2\/categories?post=251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/michaelstoica.com\/site\/wp-json\/wp\/v2\/tags?post=251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}