How to Upgrade Oracle VM Between Minor Versions with Less Outage/Downtime
(Doc ID 2127936.1)
Last updated on APRIL 24, 2021
Applies to:Oracle VM - Version 3.2.1 and later
Oracle Cloud Infrastructure - Version N/A and later
Oracle VM deployment has two main components: Oracle VM Manager and Oracle VM Servers.
Oracle highly recommends keeping the Oracle VM Manager and Oracle VM Servers in same major/minor version/patch level.
However, a full downtime of whole environment is not acceptable in most situations.
The Oracle VM Manager is an Weblogic/Java application which provides GUI control to VM Servers and VMs.
But the VM Servers and VMs do not rely on the VM Manager to run, so you can upgrade the VM Manager without any downtime to the VM Servers or VMs.
Oracle VM Server supports rolling upgrade, which means you can migrate VMs from one VM Server to others and upgrade the empty VM Server, then you can do same on all the VM Servers.
Here are detailed instructions about upgrading Oracle VM for less downtime.
The purpose of this knowledge is trying to provide an alternative quick way to upgrade VM Servers with the installation media ISO.
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