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vSAN upgrade requirements (2145248)

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Purpose

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.

Resolution

Important considerations before you begin: Prior to beginning any vSAN upgrade process, review the general vSAN upgrade best practices.

Compliance with the minimum ESXi starting version as noted in the table below is vital for a successful upgrade process. For more information about the version specific requirements, see the Additional Information section.
This table details the requirements to upgrade to any given version of vSAN. In general, the vSAN upgrade order is the same as the vSphere upgrade order, with the on-disk upgrade as the last step. 

Target vSAN version Minimum ESXi starting version* Post-upgrade on-disk format upgrade required? Caveats
6.6.1 ESXi 5.5, Express Patch 07 Yes 6.6.1 is a significant vSAN release. Please ensure that all hardware is compliant per the vSAN Compatibility Guide.
6.6 ESXi 5.5, Express Patch 07 Yes
  • There are major changes in vSphere 6.5. If upgrading from vSphere 5.5 or 6.0, ensure that you
    review the release notes for vSphere 6.5 to avoid any known issues with the vSphere upgrade.
  • Some fixes and enhancements present in vSphere 6.0, Update 3 will not be present in the vSphere 6.5
    family until vSphere 6.5, Update 1
  • 6.6 is a significant vSAN release. Please ensure that all hardware is compliant per the vSAN Compatibility Guide
6.5 ESXi 5.5, Express Patch 07 No, if upgrading from 6.2
Yes, if upgrading from 6.0/6.1
Yes, if upgrading from 5.5
Note: Some issues resolved in the latest release of vSAN 6.2 (6.0 Patch 04) are not included in 6.5 GA.
6.5 is a significant vSAN release. Please ensure that all hardware is compliant per the vSAN Compatibility Guide
6.2 ESXi 5.5, Express Patch 07 Yes 6.2 is a significant vSAN release. Please ensure that all hardware is compliant per the vSAN Compatibility Guide
6.1 ESXi 5.5, Express Patch 09 Yes, if upgrading from 5.5
No, if upgrading from 6.0
6.1 is a significant vSAN release. Please ensure that all hardware is compliant per the vSAN Compatibility Guide
6.0 ESXi 5.5, Express Patch 09 Yes 6.0 is a significant vSAN release. Please ensure that all hardware is compliant per the vSAN Compatibility Guide
5.5, Update 2+ 5.5, Update 1 No Upgrade from vSphere 5.5 GA with vSAN beta is not supported.

Note: * Due to changes in object handling in vSAN 6.2 and above, it is acceptable to upgrade directly to 6.2 from earlier releases of 5.5, whereas it is not acceptable to migrate to 6.0 or 6.1 from those same earlier releases of 5.5.

Additional considerations

Additional Information

Tags

vsan upgrade

See Also

Update History

02/14/2017 - Added target version vSAN 6.5 to the table. 04/21/2017 - Added vSAN 6.6 to Products

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