After upgrading vCenter this functionality is no longer enabled by default. Please perform the following steps to enable rename of files upon successful Storage vMotion.

1. Log into the vSphere Client as an Administrator
2. Click Administration > vCenter Server Settings
3. Click Advanced Settings
4. Add this advanced parameter key:

• provisioning.relocate.enableRename

5. Set the value to: true
6. Click Add
7. Click OK
8. Restart the VMware VirtualCenter Server service for the changes to take effect

If you are configuring a cluster with less than 2 datastores, you will receive an HA warning “The number of heartbeat datastores for host is 1, which is less than required: 2” You can add an option to the HA Advanced Options to supress this warning.

1. Log in to vCenter Server
2. Right-click the cluster and click Edit Settings
3. Click vSphere HA > Advanced Options
4. Under Option, add an entry for das.ignoreInsufficientHbDatastore
5. Under Value, type true
6. Click Cluster Features
7. De-select Turn on vSphere HA and click OK
8. Wait for all the hosts in the cluster to re-configure HA, then …

This is a great script to keep handy. If you have multiple RDM’s on a VM and need to get the NAA_ID for them the below PowerCLI command will get you that information.

1Get-VM VMNAME| Get-HardDisk -DiskType "RawPhysical","RawVirtual" | Select Parent,Name,DiskType,ScsiCanonicalName,DeviceName,CapacityGB | fl

If you then need to match the SCSI virtual disk to the Guest OS this is a great article on how to do so.

KB2051606