Did you know that each node of the cluster keeps records of the upgrade history of its components? Quite convenient to look at when determining the timeline of events during troubleshooting.
Each of the components below has a dedicated history file:
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AOS
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Hypervisor
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NCC
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Files
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Hardware
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CVM memory
In addition, there is a history of maintenance mode engagement on the cluster.
The article below lists the commands necessary to retrieve a specific component’s upgrade history.
https://portal.nutanix.com/page/documents/kbs/details/?targetId=kA0600000008VYECA2
Want to know how upgrades work in Nutanix?
Take a look at the following Knowledge Base to understand how upgrades work in Nutanix architecture.
https://portal.nutanix.com/page/documents/kbs/details/?targetId=kA00e000000LMgICAW