{"version":"1.0","provider_name":"Random hacking","provider_url":"https:\/\/www.streppone.it\/cosimo\/blog","author_name":"cosimo","author_url":"https:\/\/www.streppone.it\/cosimo\/blog\/author\/cosimo\/","title":"Primary to secondary master failover - Random hacking","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"k9tJqHcSy2\"><a href=\"https:\/\/www.streppone.it\/cosimo\/blog\/2010\/04\/primary-to-secondary-master-failover\/\">Primary to secondary master failover<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.streppone.it\/cosimo\/blog\/2010\/04\/primary-to-secondary-master-failover\/embed\/#?secret=k9tJqHcSy2\" width=\"600\" height=\"338\" title=\"&#8220;Primary to secondary master failover&#8221; &#8212; Random hacking\" data-secret=\"k9tJqHcSy2\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","description":"Here&#39;s how to failover from primary to secondary master. This was written following the My Opera case, and we use MySQL, but should be fairly generic. Disable monitoring checks Pause any Pingdom checks that are running for the affected systems Set downtime or disable notifications in Nagios for the affected systems Record log file and [&hellip;]"}