Introduction
VMware NSX is a distributed system that comprises of multiple components. It is important to understand the role of all NSX and surrounding components to complete the NSX upgrade. From a high level, the NSX upgrade is a five-step upgrade process which is managed by the NSX manager:
- VMware NSX Manager upgrade
- VMware NSX controllers upgrade
- VMware NSX Host Clusters upgrade
- VMware NSX Edges (DLRs and ESGs) upgrade
- Optional network and security service deployments upgrade, such as guest introspection and/or partner service VM upgrade:
It is recommended to upgrade the NSX Managers and NSX Controller Nodes in the same maintenance window. Other components, such as host clusters and NSX Edges, can be upgraded in a separate maintenance window.
If the upgrade of a component fails or is interrupted, the process can continue from the point at which it failed and not from the beginning.
As a best practice, it is recommended to take a backup of NSX components before and after the upgrade. Take a...