Always use MCMU to update the MiniCluster software components. Do not apply patches manually unless you are instructed to do so by authorized service personnel.
Updates for MiniCluster, are issued on a periodic basis. The bundled updates are available for download from My Oracle Support (http://support.oracle.com.) Search for Doc ID 2153282.1.
The update process can be used to perform these activities:
Upgrade some components from one major release to another. For example, upgrade the Grid Infrastructure from 12c to 18c. For additional details see Software Upgrade Requirements.
Update the component software. For example, update a DB VM home from Oracle Database 12.1 Apr18 Proactive Patch to 12.1 Oct18 Proactive Patch. These updates can contain bug fixes and feature updates.
Apply minor patches.
Applying updates to MiniCluster involves these tasks:
Fully backup the system.
Download update bundles from My Oracle Support.
Unzip, concatenate, and extract the downloaded files to a predefined directory on MiniCluster.
Identify software components that require updating. Important – Update the MCMU component before you update any other component.
Use the MCMU BUI or CLI to update the system.
Subsequent topics describe how to perform these tasks.
There are a number of MiniCluster software and firmware components that can be updated using MCMU. At any given time, updates might be available for one component, and not others.
Software Components
This table lists components that can be updated (subject to update availability):
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Update Duration Examples
This table lists the approximate duration of the updated for updating various components on a two node cluster. The duration varies depending on the number of VMs and the current workload. As a best practice, perform upgrades during low or no workload periods.
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