{"id":4170,"date":"2014-11-26T18:05:48","date_gmt":"2014-11-26T17:05:48","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/wsfc-manual-or-automatic-failover-that-is-the-question\/"},"modified":"2014-11-26T18:05:48","modified_gmt":"2014-11-26T17:05:48","slug":"wsfc-manual-or-automatic-failover-that-is-the-question","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/wsfc-manual-or-automatic-failover-that-is-the-question\/","title":{"rendered":"WSFC : Manual or automatic failover? That is the question!"},"content":{"rendered":"<p><img decoding=\"async\" class=\"blog-image aligncenter\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/2e1ax_default_entry_SQLServer_20140326-103734_1.jpg\" alt=\"\" \/><\/p>\n<p>During the night, you receive an alert concerning your SQL Server failover cluster or your availability groups and you&#8217;re in panic mode because the message displayed is : a failover has occured .. see the log for more details &#8230;<\/p>\n<p>So keep quiet and after connecting to your environment you are not able to find anything &#8230; What was happen? Maybe someone has triggered manually a failover and you are not aware of it. I&#8217;m sure by reading the previous sentences many of you will recognize but the real question is: is it possible with a Windows failover cluster to disting a manual failover from an automatic failover?<\/p>\n<p>The answer is yes and one way to find out the response is to take a look at the cluster.log. In fact, you have an record entry that clearly identifies a manual failover of resources:<\/p>\n<p><strong>[RCM] rcm::RcmApi::MoveGroup: (, 1, 0, MoveType::Manual )<\/strong><\/p>\n<p>As a reminder, this is the resource control monitor [RCM] that is responsible to perform actions according to the state of a resource. In fact, when you trigger a manual failover the MoveGroup API is called with a identified parameter MoveType::Manual<\/p>\n<p>Let&#8217;s me know if you find a other way to discover a manual failover \ud83d\ude42<\/p>\n<p>Happy failover (or not) !<\/p>\n<p><span style=\"float: none;background-color: #ffffff;color: #333333;cursor: text;font-family: Georgia,'Times New Roman','Bitstream Charter',Times,serif;font-size: 16px;font-style: normal;font-variant: normal;font-weight: 400;letter-spacing: normal;text-align: left;text-decoration: none;text-indent: 0px;text-transform: none\">By David Barbarin<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>During the night, you receive an alert concerning your SQL Server failover cluster or your availability groups and you&#8217;re in panic mode because the message displayed is : a failover has occured .. see the log for more details &#8230; So keep quiet and after connecting to your environment you are not able to find [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":3556,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[199],"tags":[510,511,464],"type_dbi":[],"class_list":["post-4170","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hardware-storage","tag-cluster-log","tag-failover","tag-failover-cluster"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>WSFC : Manual or automatic failover? That is the question! - dbi Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dbi-services.com\/blog\/wsfc-manual-or-automatic-failover-that-is-the-question\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WSFC : Manual or automatic failover? That is the question!\" \/>\n<meta property=\"og:description\" content=\"During the night, you receive an alert concerning your SQL Server failover cluster or your availability groups and you&#8217;re in panic mode because the message displayed is : a failover has occured .. see the log for more details &#8230; So keep quiet and after connecting to your environment you are not able to find [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dbi-services.com\/blog\/wsfc-manual-or-automatic-failover-that-is-the-question\/\" \/>\n<meta property=\"og:site_name\" content=\"dbi Blog\" \/>\n<meta property=\"article:published_time\" content=\"2014-11-26T17:05:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/2e1ax_default_entry_SQLServer_20140326-103734_1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"473\" \/>\n\t<meta property=\"og:image:height\" content=\"164\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Microsoft Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Microsoft Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/wsfc-manual-or-automatic-failover-that-is-the-question\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/wsfc-manual-or-automatic-failover-that-is-the-question\\\/\"},\"author\":{\"name\":\"Microsoft Team\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#\\\/schema\\\/person\\\/bfab48333280d616e1170e7369df90a4\"},\"headline\":\"WSFC : Manual or automatic failover? 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