Cluster Aware Updating (CAU) is a new feature that makes running Windows or Automatic Updates on a Hyper-V cluster easier than ever, as well as any other WS2012 cluster.<\/p>\n
If you currently have a Windows Server 2008\/R2 Hyper-V cluster, then you have a few options for patching it with no VM downtime:<\/p>\n
CAU is actually pretty simple:<\/p>\n
When a patching job runs the following will happen:<\/p>\n
VMs are Live Migrated throughout the cluster as the CAU job runs and each host is put into a paused state (automatically Live Migrating VMs off), patching, rebooting, and un-pausing.\u00a0 It\u2019s a nice simple operation.<\/p>\n
The process is actually quite configurable, enabling you to definite variables for decisions, execute scripts at different points, and define a reboot timeout (for those monster hosts).<\/p>\n
Something to think of is how long it will take to drain a host of VMs.\u00a0 A 1 GbE Live Migration network will take an eternity to LM (or vMotion for that matter) 192 GB RAM of VMs, even with concurrent LMs (as we have in Windows Server 2012).<\/p>\n
Sounds nice, eh?\u00a0 How about you see it in action:<\/p>\n
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I have edited the video to clip out lots of waiting:<\/p>\n
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Cluster Aware Updating (CAU) is a new feature that makes running Windows or Automatic Updates on a Hyper-V cluster easier than ever, as well as any other WS2012 cluster. If you currently have a Windows Server 2008\/R2 Hyper-V cluster, then you have a few options for patching it with no VM downtime: Manually Live Migrate … Continue reading “Patching A Windows Server 2012 Failover Cluster, Including Hyper-V”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_wpcom_ai_launchpad_first_post":false,"footnotes":""},"categories":[20],"tags":[173,63,181,190,195,118,121,126],"class_list":["post-12510","post","type-post","status-publish","format-standard","hentry","category-hyper-v","tag-configmgr","tag-failover-clustering","tag-hyper-v","tag-security","tag-virtualisation","tag-windows-server-2012","tag-windows-updates","tag-wsus"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t