When backing up a LUN snapshot using NDMP dump level 0 (full backup) we can see the following:
"NDMP: WARNING 4743: DUMP: Cannot update the dump data used by future incremental dumps".
"Background 2017/06/12 06:38:56 45 106 1 DataPlugin xxx-xx NDMP Backup Environment Variable 'LEVEL' = '0'
Background 2017/06/12 06:38:56 45 106 1 DataPlugin xxx-xx NDMP Backup Environment Variable 'UPDATE' = 'Y'
Background 2017/06/12 06:38:56 45 106 1 DataPlugin xxx-xx NDMP Backup Environment Variable 'HIST' = 'Y'
Background 2017/06/12 06:38:56 45 106 1 DataPlugin xxx-xx NDMP Backup Environment Variable 'FILESYSTEM' = '/vol/Vol07_FC_VMGuest_W2k8R2_01/.snapshot/../
Vol07_FC_LUN_VMGuest_W2k8R2_01'
Background 2017/06/12 06:38:56 45 106 1 DataPlugin xxx-xx NDMP Backup Environment Variable 'DIRECT' = 'Y'
Information 2017/06/12 06:38:57 45 106 1 DataPlugin xxx-xx NDMP: NORMAL 4722: DUMP: Using Partial Volume Dump of selected subtrees
Warning 2017/06/12 07:11:25 45 106 1 DataPlugin xxx-xx NDMP: WARNING 4742: DUMP: Cannot update the dump data used by future incremental dumps."