故障现象：
Errors in file /home/oracle/admin/zjport/bdump/zjport_mrp0_17798.trc:
ORA-01111: name for data file 19 is unknown - rename to correct file
ORA-01110: data file 19: '/home/oracle/product/10.2.0/db_1/dbs/UNNAMED00019'
ORA-01157: cannot identify/lock data file 19 - see DBWR trace file
ORA-01111: name for data file 19 is unknown - rename to correct file
ORA-01110: data file 19: '/home/oracle/product/10.2.0/db_1/dbs/UNNAMED00019'
Wed Sep 5 11:10:08 2012
MRP0: Background Media Recovery process shutdown (zjport)
故障处理：
ALTER SYSTEM SET standby_file_management='MANUAL' SCOPE=BOTH;
alter database create datafile '/home/oracle/product/10.2.0/db_1/dbs/UNNAMED00019' as '/u01/oracle/oradata/zjport/test02.dbf'
ALTER SYSTEM SET standby_file_management='AUTO' SCOPE=BOTH;
ALTER DATABASE RECOVER managed standby database disconnect from session
