oracle12.1.0.2在创建pdb时增加了create_file_dest这个参数，也就是可以在创建pdb的时候指定omf管理文件的位置 pdb在创建时数据文件的管理和命名受以下参数影响 FILE_NAME_CONVERT CREATE_FILE_DEST DB_CREATE_FILE_DEST PDB_FILE_NAME_CONVERT SQL SELECT C
oracle12.1.0.2在创建pdb时增加了create_file_dest这个参数，也就是可以在创建pdb的时候指定omf管理文件的位置
pdb在创建时数据文件的管理和命名受以下参数影响
- FILE_NAME_CONVERT
- CREATE_FILE_DEST
- DB_CREATE_FILE_DEST
- PDB_FILE_NAME_CONVERT
SQL> SELECT CON_ID,DBID,NAME,OPEN_MODE FROM v$pdbs;
CON_ID DBID NAME OPEN_MODE
---------- ---------- ------------------------------------------------------------ --------------------
2 3576943994 PDB$SEED READ ONLY
3 3306636010 PDB MOUNTED
4 3034388805 PDB2 MOUNTED
SQL> !ls -l /oradata/cdb
total 2034208
-rw-r----- 1 oracle oinstall 17973248 Jul 24 13:16 control01.ctl
-rw-r----- 1 oracle oinstall 17973248 Jul 24 13:16 control02.ctl
drwxr-x--- 2 oracle oinstall 4096 Jul 24 12:37 pdb
drwxr-x--- 2 oracle oinstall 4096 Jul 24 13:08 pdb2
drwxr-x--- 2 oracle oinstall 4096 Jul 24 12:29 pdbseed
-rw-r----- 1 oracle oinstall 52429312 Jul 24 13:12 redo01.log
-rw-r----- 1 oracle oinstall 52429312 Jul 24 13:15 redo02.log
-rw-r----- 1 oracle oinstall 52429312 Jul 24 13:12 redo03.log
-rw-r----- 1 oracle oinstall 671096832 Jul 24 13:13 sysaux01.dbf
-rw-r----- 1 oracle oinstall 828383232 Jul 24 13:12 system01.dbf
-rw-r----- 1 oracle oinstall 206577664 Jul 24 13:13 temp01.dbf
-rw-r----- 1 oracle oinstall 225452032 Jul 24 13:12 undotbs01.dbf
-rw-r----- 1 oracle oinstall 5251072 Jul 24 13:12 users01.dbf
从pdbseed创建pdb
SQL> !mkdir -p /oradata/cdb/pdb3 SQL> SHOW parameter db_create_file_dest NAME TYPE VALUE ------------------------------------ ---------------------- ------------------------------ db_create_file_dest string SQL> SQL> CREATE PLUGGABLE DATABASE pdb3 ADMIN USER pdb3adm IDENTIFIED BY pdb3 2 CREATE_FILE_DEST = '/oradata/cdb/pdb3' 3 ; Pluggable DATABASE created.
alert日志
CREATE PLUGGABLE DATABASE pdb3 ADMIN USER pdb3adm IDENTIFIED BY * CREATE_FILE_DEST = '/oradata/cdb/pdb3' Thu Jul 24 13:25:54 2014 Opatch XML is skipped for PDB PDB$SEED (conid=2) APEX_040200.WWV_FLOW_PAGE_PLUG_TEMPLATES (TEMPLATE) - CLOB populated **************************************************************** Pluggable Database PDB3 with pdb id - 5 is created as UNUSABLE. If any errors are encountered before the pdb is marked as NEW, then the pdb must be dropped **************************************************************** Database Characterset for PDB3 is AL32UTF8 Deleting old file#5 from file$ Deleting old file#7 from file$ Adding new file#14 to file$(old file#5) Adding new file#15 to file$(old file#7) Successfully created internal service pdb3 at open ALTER SYSTEM: Flushing buffer cache inst=0 container=5 local **************************************************************** Post plug operations are now complete. Pluggable database PDB3 with pdb id - 5 is now marked as NEW. **************************************************************** Completed: CREATE PLUGGABLE DATABASE pdb3 ADMIN USER pdb3adm IDENTIFIED BY * CREATE_FILE_DEST = '/oradata/cdb/pdb3'
SQL> SELECT FILE#,name,CON_ID FROM v$datafile;
FILE# NAME CON_ID
---------- ---------------------------------------------------------------------------------------------------- ----------
1 /oradata/cdb/system01.dbf 1
3 /oradata/cdb/sysaux01.dbf 1
4 /oradata/cdb/undotbs01.dbf 1
5 /oradata/cdb/pdbseed/system01.dbf 2
6 /oradata/cdb/users01.dbf 1
7 /oradata/cdb/pdbseed/sysaux01.dbf 2
8 /oradata/cdb/pdb/system01.dbf 3
9 /oradata/cdb/pdb/sysaux01.dbf 3
10 /oradata/cdb/pdb/pdb_users01.dbf 3
11 /oradata/cdb/pdb2/system01.dbf 4
12 /oradata/cdb/pdb2/sysaux01.dbf 4
13 /oradata/cdb/pdb2/pdb2_users01.dbf 4
14 /oradata/cdb/pdb3/CDB/FEEAB0813C6A07C4E0435C38A8C07619/datafile/o1_mf_system_9x1672m0_.dbf 5
15 /oradata/cdb/pdb3/CDB/FEEAB0813C6A07C4E0435C38A8C07619/datafile/o1_mf_sysaux_9x1672m9_.dbf 5
14 ROWS selected.
从文件里可以看出新创建的pdb使用了OMF特性管理，在12.1.0.1版本在创建pdb时让omf管理需要设置db_create_file_dest
SQL> SHOW pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
SQL> SHOW parameter db_create_file_dest
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_create_file_dest string /u02/app/oradata/
SQL> SHOW spparameter db_create_file_dest;
SID NAME TYPE VALUE
-------- ----------------------------- ----------- ----------------------------
* db_create_file_dest string /u02/app/oradata
SQL> CREATE PLUGGABLE DATABASE PDB_T0 ADMIN USER t0 IDENTIFIED BY t0 roles=(DBA)
STORAGE (MAXSIZE 2G MAX_SHARED_TEMP_SIZE 100M);
Pluggable DATABASE created.
SQL> ALTER SESSION SET db_create_file_dest='/u02/app/oradata/pdb1' ;
SESSION altered.
SQL> CREATE PLUGGABLE DATABASE PDB_T1 ADMIN USER t1 IDENTIFIED BY t1 roles=(DBA)
STORAGE (MAXSIZE 2G MAX_SHARED_TEMP_SIZE 100M);
Pluggable DATABASE created.
SQL> SELECT con_id, file_name FROM cdb_data_files ORDER BY 1;
CON_ID FILE_NAME
---------- ------------------------------------------------------------------------------------------------
1 /u02/app/oradata/CDB/system01.dbf
1 /u02/app/oradata/CDB/sysaux01.dbf
1 /u02/app/oradata/CDB/undotbs01.dbf
1 /u02/app/oradata/CDB/users01.dbf
2 /u02/app/oradata/CDB/pdbseed/sysaux01.dbf
2 /u02/app/oradata/CDB/pdbseed/system01.dbf
3 /u02/app/oradata/CDB/ED1B30729CDD1F13E043960A0A0A08DF/datafile/o1_mf_system_9bclbjk1_.dbf
3 /u02/app/oradata/CDB/ED1B30729CDD1F13E043960A0A0A08DF/datafile/o1_mf_sysaux_9bclbjk0_.dbf
3 /u02/app/oradata/CDB/ED1B30729CDD1F13E043960A0A0A08DF/datafile/o1_mf_ts_pdb_0_9bcng0ml_.dbf
4 /u02/app/oradata/pdb1/CDB/ED1B30729CDE1F13E043960A0A0A08DF/datafile/o1_mf_system_9bclmsb2_.dbf
4 /u02/app/oradata/pdb1/CDB/ED1B30729CDE1F13E043960A0A0A08DF/datafile/o1_mf_sysaux_9bclms9g_.dbf
4 /u02/app/oradata/pdb1/CDB/ED1B30729CDE1F13E043960A0A0A08DF/datafile/o1_mf_ts_pdb_1_9bcn4moz_.dbf
SQL> !mkdir -p /oradata/cdb/pdb4
SQL> CREATE PLUGGABLE DATABASE pdb4 ADMIN USER pdb4adm IDENTIFIED BY pdb4
2 CREATE_FILE_DEST = '/oradata/cdb/pdb4'
3 FILE_NAME_CONVERT = ('/oradata/cdb/pdbseed/',
4 '/oradata/cdb/pdb4/')
5 ;
Pluggable DATABASE created.
CREATE PLUGGABLE DATABASE pdb4 ADMIN USER pdb4adm IDENTIFIED BY * CREATE_FILE_DEST = '/oradata/cdb/pdb4'
FILE_NAME_CONVERT = ('/oradata/cdb/pdbseed/',
'/oradata/cdb/pdb4/')
Thu Jul 24 13:29:16 2014
Opatch XML is skipped for PDB PDB$SEED (conid=2)
APEX_040200.WWV_FLOW_PAGE_PLUG_TEMPLATES (TEMPLATE) - CLOB populated
****************************************************************
Pluggable Database PDB4 with pdb id - 6 is created as UNUSABLE.
If any errors are encountered before the pdb is marked as NEW,
then the pdb must be dropped
****************************************************************
Database Characterset for PDB4 is AL32UTF8
Deleting old file#5 from file$
Deleting old file#7 from file$
Adding new file#16 to file$(old file#5)
Adding new file#17 to file$(old file#7)
Successfully created internal service pdb4 at open
ALTER SYSTEM: Flushing buffer cache inst=0 container=6 local
****************************************************************
Post plug operations are now complete.
Pluggable database PDB4 with pdb id - 6 is now marked as NEW.
****************************************************************
Completed: CREATE PLUGGABLE DATABASE pdb4 ADMIN USER pdb4adm IDENTIFIED BY * CREATE_FILE_DEST = '/oradata/cdb/pdb4'
FILE_NAME_CONVERT = ('/oradata/cdb/pdbseed/',
'/oradata/cdb/pdb4/')
原文地址：Oracle12_create_pdb_CREATE_FILE_DEST, 感谢原作者分享。
