When receiving the following Oracle errors during a Data Protector / Oracle integration backup, please check with Oracle about the permissions of the NFS mount point. Oracle has strict guidelines as to what the permissions of the NFS mount point should be in order for the control file to be created :
ORA-01580: error creating control backup file /backup/snapcf_TST.f
ORA-27054: NFS file system where the file is created or resides is not mounted with correct options