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Nutanix Employee
NutonianNutanix Employee
posted in How It works

Nutanix Cluster Upgrade and What It means to you.

We often ask ourselves, what do these various Upgrades entail and what actually happens during an upgrade. Here is a high-level description of what happens during the various Nutanix core software upgrade processes. I have assumed it is a minimum 3-node cluster and you have already determined the Upgrade version.  Note for all the Upgrade below, it is important to perform health checks before upgrading any component (check KB 2852).   1. NCC: When : If health checks show no issues,  the NCC upgrade can proceed. It is recommended to upgrade to the latest NCC version shown.  How : The upgrade process copies NCC software to each Controller VM or Prism Central VM. What Happens : The cluster_health service, which is responsible for health monitoring and the logic underlying cluster alerts, restarts on each node.  Caution Level :  No services involved in the data path restart hence it is non-intrusive.  NCC version does not depend on any other Nutanix component and can be upgraded re

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N
Nutanix Employee
3 years ago

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