VMFS5 - Quick Start Guild for an in place convertion

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  1. Start vSphere Client and login to your vCenter Server
  2. Home -> Datastores and Datastore Clusters
  3. Select a datastore -> Configuration Tab
  4. “Upgrade to VMFS-5…” link on the right side (See screen shot above)

Upgrading from VMFS-3 to VMFS-5 is an online & non-disruptive upgrade operation. You don’t even have to shut down VM’s. The maximum size of a VMDK on VMFS-5 is still 2TB.