Once you have upgraded the vCenter server and ESXi hosts to the latest versions, You may need to upgrade vSAN on-disk format if required. For best results, upgrade the objects to use the latest on-disk format. The latest on-disk format provides the complete feature set of vSAN. It will be similar to Upgrading Virtual machine hardware … Continue reading How to Upgrade vSAN On-disk Format – The Ultimate Step-by-Step Guide