Oracle故障处理之DG宕机重启MRP进程报错：ORA-01111（10g）或ORA-01274（11g）

ORA-01111: name for data file 19 is unknown - rename to correct file
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Errors in file home/oracle/admin/oradb/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'
MRP0: Background Media Recovery process shutdown (oradb)
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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/oradb/test02.dbf'
ALTER SYSTEM SET standby_file_management='AUTO' SCOPE=BOTH;
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ALTER DATABASE RECOVER managed standby database disconnect from session parallel 12;
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File #1103 added to control file as 'UNNAMED01103' because
the parameter STANDBY_FILE_MANAGEMENT is set to MANUAL
The file should be manually created to continue.
Errors with log oradb/db_dg_arc/oradb/oradb_2_193066_899639967.arc
MRP0: Background Media Recovery terminated with error 1274
Errors in file u01/oracle/diag/rdbms/oradb/oradb/trace/oradb_pr00_25640.trc:
ORA-01274: cannot add datafile '+oradb/oradb/datafile/sysaux_04.dbf' - file could not be created
Managed Standby Recovery not using Real Time Apply
Recovery interrupted!
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ALTER SYSTEM SET standby_file_management='MANUAL' SCOPE=BOTH;
alter database create datafile '/u01/oracle/product/db11gr2/dbs/UNNAMED01103' as '/sxbddj/sxbddjdat_u01/sxbddj/sysaux_04.dbf';
ALTER SYSTEM SET standby_file_management='AUTO' SCOPE=BOTH;
ALTER DATABASE RECOVER managed standby database disconnect from session parallel 12 ;
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SQL> select name from v$datafile where file#=1103;
NAME
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oradb/oradb/datafile/sysaux_04.dbf
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