“This is the 27th day of my participation in the Gwen Challenge in November. See details of the event: The Last Gwen Challenge in 2021”
11G and before
It is divided into two ways of non-stop and shutdown:
One, non-stop movement of data files
Complete steps:
1. Confirm that the archive mode is enabled
2. Make the data file offline
3, physical layer move data file (rename)
Logical layer rename data file path and name
5. Recover Recover data files
6. Online data files
-- Enable the archive mode
SQL> archive log list
Database log mode No Archive Mode
Automatic archival Disabled
Archive destination /archivelog
Oldest online log sequence 1
Current log sequence 2
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL>
SQL>
SQL> startup mount
ORACLE instance started.
Total System Global Area 1603411968 bytes
Fixed Size 2253664 bytes
Variable Size 452988064 bytes
Database Buffers 1140850688 bytes
Redo Buffers 7319552 bytes
Database mounted.
SQL> alter database archivelog;
Database altered.
SQL> alter database open;
Database altered.
-- Make the data file offline
SQL> /
FILE# NAME STATUS
---------- ------------------------------------------------------------ -------
1 /oradata/orcl11g/system01.dbf SYSTEM
2 /oradata/orcl11g/sysaux01.dbf ONLINE
3 /oradata/orcl11g/undotbs01.dbf ONLINE
4 /oradata/orcl11g/users01.dbf ONLINE
5 /oradata/orcl11g/example01.dbf ONLINE
6 /oradata/orcl11g/test01.dbf ONLINE
7 /oradata/ORCL11G/datafile/o1_mf_test_j7jgpq7k_.dbf ONLINE
7 rows selected.
SQL> alter database datafile 7 offline;
Database altered.
Physical layer to move data files
SQL> !mv /oradata/ORCL11G/datafile/o1_mf_test_j7jgpq7k_.dbf /oradata/orcl11g/test02.dbf
SQL> !ls /oradata/orcl11g/test02.dbf
/oradata/orcl11g/test02.dbf
Logical layer rename data files
SQL> alter database rename file '/oradata/ORCL11G/datafile/o1_mf_test_j7jgpq7k_.dbf' to '/oradata/orcl11g/test02.dbf';
Database altered.
Restore data files
SQL> recover datafile 7;
Media recovery complete.
--online Data files
SQL> alter database datafile 7 online;
Database altered.
SQL> select file#,name,status from v$datafile;
FILE# NAME STATUS
---------- ------------------------------------------------------------ -------
1 /oradata/orcl11g/system01.dbf SYSTEM
2 /oradata/orcl11g/sysaux01.dbf ONLINE
3 /oradata/orcl11g/undotbs01.dbf ONLINE
4 /oradata/orcl11g/users01.dbf ONLINE
5 /oradata/orcl11g/example01.dbf ONLINE
6 /oradata/orcl11g/test01.dbf ONLINE
7 /oradata/orcl11g/test02.dbf ONLINE
7 rows selected.
Copy the codeTwo, stop the movement of data files
Complete steps:
1. Close the database
2, physical layer move data file (rename)
3. Start the database to mount
Logical layer rename data file path and name
5. Start the database
Create a TEST tablespace under /oradata/ORCL11G/ and move it to /oradata/ORCL11G/
SQL> create tablespace TEST;
Tablespace created.
SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------
/oradata/orcl11g/system01.dbf
/oradata/orcl11g/sysaux01.dbf
/oradata/orcl11g/undotbs01.dbf
/oradata/orcl11g/users01.dbf
/oradata/orcl11g/example01.dbf
/oradata/ORCL11G/datafile/o1_mf_test_j7jfm30c_.dbf
Try moving data files online
SQL> alter database rename file '/oradata/ORCL11G/datafile/o1_mf_test_j7jfm30c_.dbf' to '/oradata/orcl11g/test01.dbf';
alter database rename file '/oradata/ORCL11G/datafile/o1_mf_test_j7jfm30c_.dbf' to '/oradata/orcl11g/test01.dbf'
*
ERROR at line 1:
ORA- 01511.: error in renaming log/data files
ORA- 01121.: cannot rename database file 6 - file is in use or recovery
ORA- 01110.: data file 6: '/oradata/ORCL11G/datafile/o1_mf_test_j7jfm30c_.dbf'
- an error ORA - 01121
[oracle@orcl11g:/home/oracle]$ oerr ORA 01121
01121.00000, "cannot rename database file %s - file is in use or recovery"
// *Cause: Attempted to use ALTER DATABASE RENAME to rename a
// datafile that is online in an open instance or is being recovered.
// *Action: Close database in all instances and end all recovery sessions.
Copy the codeYou cannot move data files online and need to close the database.
Move and rename data files at the operating system level
[oracle@orcl11g:/oradata/ORCL11G/datafile]$ ll
total 102408
-rw-r----- 1 oracle oinstall 104865792 Apr 15 20:55 o1_mf_test_j7jfm30c_.dbf
[oracle@orcl11g:/oradata/ORCL11G/datafile]$ mv o1_mf_test_j7jfm30c_.dbf /oradata/orcl11g/
control01.ctl example01.dbf redo01.log redo02.log redo03.log sysaux01.dbf system01.dbf temp01.dbf undotbs01.dbf users01.dbf
[oracle@orcl11g:/oradata/ORCL11G/datafile]$ mv o1_mf_test_j7jfm30c_.dbf /oradata/orcl11g/test01.dbf
[oracle@orcl11g:/oradata/ORCL11G/datafile]$ ll /oradata/orcl11g/test01.dbf
-- Start database to mount
SQL> startup mount
ORACLE instance started.
Total System Global Area 1603411968 bytes
Fixed Size 2253664 bytes
Variable Size 452988064 bytes
Database Buffers 1140850688 bytes
Redo Buffers 7319552 bytes
Database mounted.
--rename Specifies the name of a data file
SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------
/oradata/orcl11g/system01.dbf
/oradata/orcl11g/sysaux01.dbf
/oradata/orcl11g/undotbs01.dbf
/oradata/orcl11g/users01.dbf
/oradata/orcl11g/example01.dbf
/oradata/ORCL11G/datafile/o1_mf_test_j7jfm30c_.dbf
6 rows selected.
SQL> alter database rename file '/oradata/ORCL11G/datafile/o1_mf_test_j7jfm30c_.dbf' to '/oradata/orcl11g/test01.dbf';
Database altered.
SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------
/oradata/orcl11g/system01.dbf
/oradata/orcl11g/sysaux01.dbf
/oradata/orcl11g/undotbs01.dbf
/oradata/orcl11g/users01.dbf
/oradata/orcl11g/example01.dbf
/oradata/orcl11g/test01.dbf
6 rows selected.
-- Open database
SQL> alter database open;
Database altered.
Copy the code12C and later
Support online movement of data files:
Online Move Datafile in Oracle Database 12C Release 1
The syntax is as follows:
ALTER DATABASE MOVE DATAFILE ( 'filename' | 'ASM_filename' | file_number )
[ TO ( 'filename' | 'ASM_filename' ) ]
[ REUSE ] [ KEEP ]
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