1.PURPOSE AND SCOPE
If the dumpfile located on non-shared area and dba try to start impdp operation with parallel on RAC servers (version 11gR2),dba would receive ORA-31693, ORA-29913, ORA-31640, ORA-19505, ORA-27037 errors. The reason behind it oracle try to import using all RAC nodes for this operation and if the dumpfile is located on non-shared place , it could no reach it.