After you mount the VMFS3 datastore that failed to upgrade automatically, upgrade it to VMFS5.

Procedure

  1. Navigate to the VMFS3 datastore.
  2. Select Upgrade to VMFS5 from the right-click menu.
  3. Verify that the hosts accessing the datastore support VMFS5.
  4. Click OK to start the upgrade.
  5. Perform a rescan on all hosts that are associated with the datastore.

Results

The datastore is upgraded to VMFS5 and is available to all hosts that are associated with the datastore.