ORACLE 11G 擴充套件表空間增加資料檔案導致DG日誌應用失敗

alert日誌報錯如下：
Errors in file /home/db/oracle/diag/rdbms/shdbdg/shdbdg/trace/shdbdg_pr00_13185.trc:
ORA-01119: error in creating database file '+DATADG/db/trade07.dbf'
ORA-17502: ksfdcre:4 Failed to create file +DATADG/db/trade07.dbf
ORA-15001: diskgroup "DATADG" does not exist or is not mounted
ORA-15077: could not locate ASM instance serving a required diskgroup
ORA-29701: unable to connect to Cluster Synchronization Service
File #13 added to control file as 'UNNAMED00013'.

處理過程如下：
ALTER SYSTEM SET db_create_file_dest='/home/db/oracle/oradata/shassdbdg' SCOPE=BOTH;
shutdown immediate
startup mount
alter database recover managed standby database disconnect from session


Errors in file /home/db/oracle/diag/rdbms/shassdbdg/shassdbdg/trace/shassdbdg_pr00_20795.trc:
ORA-01111: name for data file 13 is unknown - rename to correct file
ORA-01110: data file 13: '/app/oracle/ora11g/dbs/UNNAMED00013'
ORA-01157: cannot identify/lock data file 13 - see DBWR trace file
ORA-01111: name for data file 13 is unknown - rename to correct file
ORA-01110: data file 13: '/app/oracle/ora11g/dbs/UNNAMED00013'
Completed: alter database recover managed standby database disconnect from session
Recovery Slave PR00 previously exited with exception 1111
MRP0: Background Media Recovery process shutdown (shassdbdg)
Tue Mar 07 13:56:33 2017
Archived Log entry 13168 added for thread 1 sequence 7944 ID 0xf2cfba52 dest 1:
Tue Mar 07 13:57:02 2017
Primary database is in MAXIMUM PERFORMANCE mode



ALTER DATABASE RECOVER  managed standby database cancel
ALTER SYSTEM SET standby_file_management='MANUAL' SCOPE=BOTH;
alter database create datafile  '/app/oracle/ora11g/dbs/UNNAMED00013' as '/home/db/oracle/oradata/shass
ALTER SYSTEM SET standby_file_management='AUTO' SCOPE=BOTH;
ALTER DATABASE RECOVER  managed standby database using current logfile disconnect from session