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vSAN 6.6 Upgrade Considerations

This document describes upgrade considerations when upgrading to vSAN 6.6

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Introduction

vSAN 6.6 Upgrade Overview and high level steps required

VMware vSAN 6.6 On Disk Upgrade Considerations

VMware vSAN 6.6 On Disk Format Upgrade Considerations and recommendations pertaining to upgrading to VMware vSAN 6.6

vSAN 6.6 Upgrade and Networking communications

vSAN 6.6 Upgrade and Mixed Cluster Networking Considerations Upgrading host and disk group software versions influences vSAN Cluster Networking modes used.

vSAN On-Disk Format Conversion Process

Explanation on the possible workflows and vSAN cluster changes made during on-disk format conversion upgrade

vSAN Witness Appliance Upgrade Considerations

This chapter discusses vSAN Witness appliance upgrade and recommendations for 2-Node and Stretch Cluster Topologies

vSphere Upgrade Overview

This chapter gives a brief overview of upgrade steps for upgrading vSphere Software to reach vSAN 6.6 supported levels.

VMware vSAN 6.6 Upgrade Check list

Simple Check list before upgrading to vSAN 6.6

Appendix A: Upgrade Troubleshooting

In this section we will go through some common issues and troubleshooting approaches if issues are encountered during vSAN 6.6 upgrades

Appendix B: vCenter Upgrade Procedures Reference

The procedures outlined here are used as a general guidance and not specific to vSAN, but added for reference. vSphere documentation should be refereed to as the source of truth in all cases.

Appendix C: ESXi Upgrade Procedures Reference

The procedures outlined here are used as a general guidance and not specific to vSAN, but added for reference. vSphere documentation should be refereed to as the source of truth in all cases.

Appendix D: VMware vSAN On-disk Format Upgrade

Appendix D goes through vSAN on-disk format Version 3.0 to Version 5.0 upgrade workflow. This is a follow on from Sample procedure in Appendix C