{"id":2855,"date":"2013-07-03T14:34:08","date_gmt":"2013-07-03T12:34:08","guid":{"rendered":"http:\/\/www.cloudcomp.ch\/?p=2855"},"modified":"2014-03-28T15:56:29","modified_gmt":"2014-03-28T13:56:29","slug":"automated-openstack-high-availability-installation-now-available","status":"publish","type":"post","link":"https:\/\/blog.zhaw.ch\/icclab\/automated-openstack-high-availability-installation-now-available\/","title":{"rendered":"Automated OpenStack High Availability installation now available"},"content":{"rendered":"<p>The ICCLab developed a new High Availability solution for OpenStack which relies on <a href=\"http:\/\/www.drbd.org\/\">DRBD<\/a> and <a href=\"http:\/\/clusterlabs.org\/\">Pacemaker<\/a>. OpenStack services are installed on top of a <a title=\"Automated Vagrant installation of MySQL HA using DRBD, Corosync and Pacemaker\" href=\"http:\/\/www.cloudcomp.ch\/2013\/06\/automated-vagrant-installation-of-mysql-ha-using-drbd-corosync-and-pacemaker\/\">redundant 2 node MySQL database<\/a>. The 2 node MySQL database stores its data tables on a DRBD device which is distributed on the 2 nodes. OpenStack can be reached via a virtual IP address. This makes the user feel that he is dealing with only one OpenStack node. All OpenStack services are monitored by the Pacemaker tool. When a service fails, Pacemaker will restart it on either node.<\/p>\n<figure id=\"attachment_2868\" aria-describedby=\"caption-attachment-2868\" style=\"width: 174px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/blog.zhaw.ch\/icclab\/files\/2013\/07\/os_ha.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2868 \" alt=\"Fig. 1: Architecture of OpenStack HA.\" src=\"http:\/\/blog.zhaw.ch\/icclab\/files\/2013\/07\/os_ha-218x300.png\" width=\"174\" height=\"240\" srcset=\"https:\/\/blog.zhaw.ch\/icclab\/files\/2013\/07\/os_ha-218x300.png 218w, https:\/\/blog.zhaw.ch\/icclab\/files\/2013\/07\/os_ha.png 347w\" sizes=\"auto, (max-width: 174px) 100vw, 174px\" \/><\/a><figcaption id=\"caption-attachment-2868\" class=\"wp-caption-text\">Fig. 1: Architecture of OpenStack HA.<\/figcaption><\/figure>\n<p>The 2 node OpenStack solution can be installed automatically using <a href=\"http:\/\/www.vagrantup.com\/\">Vagrant<\/a> and <a href=\"https:\/\/puppetlabs.com\/\">Puppet.<\/a> The automated OpenStack HA installation is available on a <a href=\"https:\/\/github.com\/kobe6661\/vagrant_openstack_mysql_drbd_pacemaker.git\">Github repository<\/a>.<\/p>\n<div class=\"pt-sm\">Schlagw\u00f6rter: <a href=\"https:\/\/blog.zhaw.ch\/icclab\/tag\/drbd\/\">DRBD<\/a>, <a href=\"https:\/\/blog.zhaw.ch\/icclab\/tag\/high-availability\/\">High Availability<\/a>, <a href=\"https:\/\/blog.zhaw.ch\/icclab\/tag\/openstack\/\">openstack<\/a>, <a href=\"https:\/\/blog.zhaw.ch\/icclab\/tag\/vagrant\/\">vagrant<\/a><br><\/div>","protected":false},"excerpt":{"rendered":"<p>The ICCLab developed a new High Availability solution for OpenStack which relies on DRBD and Pacemaker. OpenStack services are installed on top of a redundant 2 node MySQL database. The 2 node MySQL database stores its data tables on a DRBD device which is distributed on the 2 nodes. OpenStack can be reached via a [&hellip;]<\/p>\n","protected":false},"author":75,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[5,15,20],"tags":[117,179,240,339],"features":[],"class_list":["post-2855","post","type-post","status-publish","format-standard","hentry","category-articles","category-howtos","category-open-source","tag-drbd","tag-high-availability","tag-openstack","tag-vagrant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Automated OpenStack High Availability installation now available - Service Engineering (ICCLab &amp; SPLab)<\/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:\/\/blog.zhaw.ch\/icclab\/automated-openstack-high-availability-installation-now-available\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Automated OpenStack High Availability installation now available\" \/>\n<meta property=\"og:description\" content=\"The ICCLab developed a new High Availability solution for OpenStack which relies on DRBD and Pacemaker. OpenStack services are installed on top of a redundant 2 node MySQL database. The 2 node MySQL database stores its data tables on a DRBD device which is distributed on the 2 nodes. OpenStack can be reached via a [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.zhaw.ch\/icclab\/automated-openstack-high-availability-installation-now-available\/\" \/>\n<meta property=\"og:site_name\" content=\"Service Engineering (ICCLab &amp; SPLab)\" \/>\n<meta property=\"article:published_time\" content=\"2013-07-03T12:34:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2014-03-28T13:56:29+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/blog.zhaw.ch\/icclab\/files\/2013\/07\/os_ha-218x300.png\" \/>\n<meta name=\"author\" content=\"benn\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"benn\" \/>\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:\/\/blog.zhaw.ch\/icclab\/automated-openstack-high-availability-installation-now-available\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/blog.zhaw.ch\/icclab\/automated-openstack-high-availability-installation-now-available\/\"},\"author\":{\"name\":\"benn\",\"@id\":\"https:\/\/blog.zhaw.ch\/icclab\/#\/schema\/person\/7f2dc402a572b3fc950027b8b809c0d6\"},\"headline\":\"Automated OpenStack High Availability installation now available\",\"datePublished\":\"2013-07-03T12:34:08+00:00\",\"dateModified\":\"2014-03-28T13:56:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/blog.zhaw.ch\/icclab\/automated-openstack-high-availability-installation-now-available\/\"},\"wordCount\":131,\"commentCount\":1,\"image\":{\"@id\":\"https:\/\/blog.zhaw.ch\/icclab\/automated-openstack-high-availability-installation-now-available\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/blog.zhaw.ch\/icclab\/files\/2013\/07\/os_ha-218x300.png\",\"keywords\":[\"DRBD\",\"High Availability\",\"openstack\",\"vagrant\"],\"articleSection\":[\"Articles\",\"HowTos\",\"Open Source\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/blog.zhaw.ch\/icclab\/automated-openstack-high-availability-installation-now-available\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.zhaw.ch\/icclab\/automated-openstack-high-availability-installation-now-available\/\",\"url\":\"https:\/\/blog.zhaw.ch\/icclab\/automated-openstack-high-availability-installation-now-available\/\",\"name\":\"Automated OpenStack High Availability installation now available - Service Engineering (ICCLab &amp; 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