{"version":"1.0","provider_name":"Service  Engineering (ICCLab &amp; SPLab)","provider_url":"https:\/\/blog.zhaw.ch\/icclab","author_name":"Piyush Harsh","author_url":"https:\/\/blog.zhaw.ch\/icclab\/author\/harh\/","title":"Managing hosts in a running OpenStack environment","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"9VdA9mS1zz\"><a href=\"https:\/\/blog.zhaw.ch\/icclab\/managing-hosts-in-a-running-openstack-environment\/\">Managing hosts in a running OpenStack environment<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blog.zhaw.ch\/icclab\/managing-hosts-in-a-running-openstack-environment\/embed\/#?secret=9VdA9mS1zz\" width=\"600\" height=\"338\" title=\"&#8220;Managing hosts in a running OpenStack environment&#8221; &#8212; Service  Engineering (ICCLab &amp; SPLab)\" data-secret=\"9VdA9mS1zz\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\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\/\/# sourceURL=https:\/\/blog.zhaw.ch\/icclab\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"How does one remove a faulty\/un\/re-provisioned physical machine from the list of managed physical nodes in OpenStack nova? Recently we had to remove a compute node in our cluster for management reasons (read, it went dead on us). But nova perpetually maintains the host entry hoping at some point in time, it will come back [&hellip;]"}