This article outlines the requirements to upgrade a VMware vSAN cluster between major and minor versions.
Note: Depending on the desired target version, there may be intermediate steps required to ensure a smooth and effective upgrade process. Ensure you review the relevant section in detail. Please check the Product Interoperability Matrix link https://interopmatrix.vmware.com/Upgrade?productId=1 for the upgrade path to ensure.
Important considerations before you begin: Prior to beginning any vSAN upgrade process, review the general vSAN upgrade best practices.
Target vSAN version | Minimum ESXi starting version* | Post-upgrade on-disk format upgrade required? | Caveats | Corresponding ESXI build number |
vSAN 8.0 Update 3 | ESXi 7.0 GA Build Number 15843807 | Yes. It is a metadata upgrade of vSAN on disks format version 20 if previous on disk version is 11 or above | * Please ensure that you are on 7.0 (any) version prior to upgrading to 8.0 * Ensure that you review the release notes for vSphere 8.0 U3 to avoid any known issues with the vSphere upgrade |
ESXi 8.0 U3 (Build Number: 24022510) |
vSAN 8.0 Update 2 | ESXi 7.0 GA Build Number 15843807 | Yes. It is a metadata upgrade of vSAN on disks format version 19 if previous on disk version is 11 or above | * Please ensure that you are on 7.0 (any) version prior to upgrading to 8.0 * Ensure that you review the release notes for vSphere 8.0 U2 to avoid any known issues with the vSphere upgrade |
ESXi 8.0 U2 (Build Number: 22380479) |
vSAN 8.0 Update 1 | ESXi 7.0 GA Build Number 15843807 | Yes. It is a metadata upgrade of vSAN on disks format version 18 if previous on disk version is 11 or above | * Please ensure that you are on 7.0 (any) version prior to upgrading to 8.0 * Ensure that you review the release notes for vSphere 8.0 U1 to avoid any known issues with the vSphere upgrade |
ESXi 8.0 U1 (Build Number: 21495797) |
vSAN 8.0 | ESXi 6.7 GA Build Number 8169922 | Yes. It is a metadata upgrade of vSAN on disks format version 17 if previous on disk version is 6 or above | * Please ensure that you are on 6.7 (any) version prior to upgrading to 8.0 * Ensure that you review the release notes for vSphere 8.0 to avoid any known issues with the vSphere upgrade |
ESXi 8.0 GA (Build Number: 20513097) |
vSAN 7.0 Update 3 | ESXi 6.5 U2 Build Number 8294253 | Yes. It is a metadata upgrade of vSAN on disks format version 15 if previous on disk version is 3 or above | * Please ensure that you are on 6.7 (any) or 6.5 U2 version prior to upgrading to 7.0 U3 * Ensure that you review the release notes for vSphere 7.0 U3c to avoid any known issues with the vSphere upgrade |
ESXi 7.0 Update 3 (Build Number: 19193900) |
vSAN 7.0 Update 2 | ESXi 6.5 U2 Build Number 8294253 | Yes. It is a metadata upgrade of vSAN on disks format version 14 if previous on disk version is 3 or above | * Please ensure that you are on 6.7 (any) or 6.5 U2 version prior to upgrading to 7.0 U2 * Ensure that you review the release notes for vSphere 7.0 U2 to avoid any known issues with the vSphere upgrade |
ESXi 7.0 Update 2 (Build Number: 17630552) |
vSAN 7.0 Update 1 | ESXi 6.5 U2 Build Number 8294253 | Yes. It is a metadata upgrade of vSAN on disks format version 13 if previous on disk version is 3 or above | * Please ensure that you are on 6.7 (any) or 6.5 U2 version prior to upgrading to 7.0 U1 * Ensure that you review the release notes for vSphere 7.0 U1 to avoid any known issues with the vSphere upgrade |
ESXi 7.0 Update 1 (Build Number: 16850804) |
vSAN 7.0 GA | ESXi 6.5 U2 Build Number 8294253 | Yes. It is a metadata upgrade of vSAN on disks format version 11 if previous on disk version is 3 or above | * Please ensure that you are on 6.7 (any) or 6.5 U2 version prior to upgrading to 7.0 * Ensure that you review the release notes for vSphere 7.0 to avoid any known issues with the vSphere upgrade |
ESXi 7.0 GA (Build Number: 15843807) |
For more information about the vSphere upgrade process, including dependencies between ESXi and vCenter host versions, see:
Correlating build numbers and versions of VMware products
vSAN on disk upgrade fails at 10%
Upgrading vSAN On-Disk format to 3.0 may fail in small vSAN clusters or 2-node stretched clusters
Understanding vSAN on-disk format versions and compatibility
VMware vSAN upgrade best practices