Upgrading from VMFS3 to VMFS5
There are several enhancements added to version 5 of VMFS. Knowing these enhancements will definitely motivate you to upgrade to this version. Nevertheless, the upgrade process is nondisruptive.
Although this is an in-place upgrade, you should take the following precautions before upgrading:
- Back up the virtual machines on the volume, or migrate them off to a different datastore
- Ensure that there are no ESX 3.x or ESX 4.x servers in the environment accessing the same datastore
The VMware® vSphere® VMFS-5 Upgrade Considerations whitepaper explains more about VMFS-5 enhancement and the upgrade considerations. You can access the paper at http://www.vmware.com/files/pdf/techpaper/VMFS-5_Upgrade_Considerations.pdf.
How to do ...
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