EMC VNX NDMP Backup with NetBackup 6.5.x fails with Status 229 – Image inconsistency error

We have EMC VNX 7500 in our environment that we use as a NAS appliance.

Some ndmp based backup jobs failed with error code 229 – image inconsistency error.

Below is the workaround  to fix the issue (This is specific to EMC VNX ) :

Add the following entry under backup selection of the policy  :

SET type=tar