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Oracle12cnocdb怎么转换成cdb

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Oracle 12c nocdb转换成cdb

环境说明:

OS:Oracle Linux Server release 6.3

DB:Oracle 12.2.0.1.0

DBName:dapuchai

场景:

Oracle 11.2.0.4.0升级到Oracle 12.2.0.1.0,默认是no-cdb模式,升级后根据需要将no-cdb转换成cdb里,即将之前的11.2.0.4.0数据完全迁移到PDB(Creating a PDB Using a Non-CDB);

实施方案:

一:连接non-CDB(dapuchai),生成XML格式数据库描述文件

二:DBCA新建cdb数据库(cjcdb)

三:Plug in the non-CDB (cjcpdb)

四:执行noncdb_to_pdb.sql

五:验证数据

参考:https://docs.oracle.com/database/121/ADMIN/cdb_plug.htm#ADMIN13598

Oracle 12c nocdb怎么转换成cdb

一:连接non-CDB(dapuchai),生成XML格式数据库描述文件

Connect to the non-CDB, and run the DBMS_PDB.DESCRIBE procedure to construct an XML file that describes the non-CDB.

[root@cjc ~]# ps -ef|grep pmon

oracle    2677     1  0 22:35 ?        00:00:00 ora_pmon_dapuchai

root      3057  2634  0 22:37 pts/1    00:00:00 grep pmon

SQL> select name,cdb from v$database;

NAME         CDB

--------- ---

DAPUCHAI  NO

SQL> show pdbs

SQL> show con_id

CON_ID

------------------------------

0

SQL> shutdown immediate

---只读方式打开dapuchai数据库

SQL> startup open read only;

SQL> select name,open_mode,cdb from v$database;

NAME         OPEN_MODE              CDB

--------- -------------------- ---

DAPUCHAI  READ ONLY                NO

---生成xml格式的数据库描述文件

SQL> BEGIN

  DBMS_PDB.DESCRIBE(pdb_descr_file => '/home/oracle/20200113.xml');

END;  2    3 

  4  /

PL/SQL procedure successfully completed.

Oracle 12c nocdb怎么转换成cdb

二:DBCA新建cdb数据库(cjcdb)

[oracle@cjc ~]$ dbca

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

三:Plug in the non-CDB (cjcpdb)

[oracle@cjc oracle12]$ ps -ef|grep pmon

oracle    3106     1  0 22:38 ?        00:00:00 ora_pmon_dapuchai

oracle    4326     1  0 23:05 ?        00:00:00 ora_pmon_cjcdb

oracle    5651  3249  0 23:16 pts/1    00:00:00 grep pmon

[oracle@cjc ~]$ export ORACLE_SID=cjcdb

[oracle@cjc ~]$ sqlplus / as sysdba

SQL*Plus: Release 12.2.0.1.0 Production on Mon Jan 13 23:18:52 2020

Copyright (c) 1982, 2016, Oracle.  All rights reserved.

Connected to:

Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production

SQL> show pdbs

    CON_ID CON_NAME                            OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

          2 PDB$SEED                       READ ONLY  NO

SQL> select name,open_mode,cdb from v$database;

NAME         OPEN_MODE              CDB

--------- -------------------- ---

CJCDB        READ WRITE               YES

[oracle@cjc oradata]$ mkdir cjcpdb

[oracle@cjc oradata]$ cd cjcpdb/

[oracle@cjc cjcpdb]$ pwd

/u01/app/oracle12/oradata/cjcpdb

SQL> select name from v$dbfile;

NAME

--------------------------------------------------------------------------------

/u01/app/oracle12/oradata/cjcdb/users01.dbf

/u01/app/oracle12/oradata/cjcdb/undotbs01.dbf

/u01/app/oracle12/oradata/cjcdb/system01.dbf

/u01/app/oracle12/oradata/cjcdb/sysaux01.dbf

/u01/app/oracle12/oradata/cjcdb/pdbseed/system01.dbf

/u01/app/oracle12/oradata/cjcdb/pdbseed/sysaux01.dbf

/u01/app/oracle12/oradata/cjcdb/pdbseed/undotbs01.dbf

7 rows selected.

SQL> create pluggable database cjcpdb using '/home/oracle/20200113.xml' copy FILE_NAME_CONVERT = ('/u01/app/oracle/oradata/dapuchai/', '/u01/app/oracle12/oradata/cjcpdb/');

Pluggable database created.

---数据文件迁移完成

[oracle@cjc cjcpdb]$ pwd

/u01/app/oracle12/oradata/cjcpdb

[oracle@cjc cjcpdb]$ ll -rth

total 2.5G

-rw-r----- 1 oracle oinstall  58M Jan 13 23:26 temp01.dbf

-rw-r----- 1 oracle oinstall  11M Jan 13 23:26 ogg_temtbs01.dbf

-rw-r----- 1 oracle oinstall  11M Jan 13 23:26 ogg_tbs01.dbf

-rw-r----- 1 oracle oinstall  11M Jan 13 23:26 cjc_tbs01a.dbf

-rw-r----- 1 oracle oinstall  16M Jan 13 23:26 users01.dbf

-rw-r----- 1 oracle oinstall 446M Jan 13 23:26 undotbs01.dbf

-rw-r----- 1 oracle oinstall 1.2G Jan 13 23:26 system01.dbf

-rw-r----- 1 oracle oinstall 881M Jan 13 23:26 sysaux01.dbf

SQL> show pdbs

    CON_ID CON_NAME                            OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

          2 PDB$SEED                       READ ONLY  NO

          3 CJCPDB                            MOUNTED

四:执行noncdb_to_pdb.sql

虚拟机内存只分配4G,并且是机械硬盘,脚本执行了1小时;

切换到PDB并执行脚本

SQL> alter session set container=cjcpdb;

SQL> @?/rdbms/admin/noncdb_to_pdb.sql

......

Oracle 12c nocdb怎么转换成cdb

......

Oracle 12c nocdb怎么转换成cdb

......

Oracle 12c nocdb怎么转换成cdb

---启动pdb

SQL> show pdbs

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

         3 CJCPDB                         MOUNTED

SQL> alter pluggable database cjcpdb open;

Pluggable database altered.

告警日志查看pdb启动过程;

Oracle 12c nocdb怎么转换成cdb

五:验证数据

[oracle@cjc ~]$ cd /u01/app/oracle12/product/12.2.0.1/db_1/network/admin/

[oracle@cjc admin]$ vi tnsnames.ora

......

CJCPDB =

  (DESCRIPTION =

    (ADDRESS = (PROTOCOL = TCP)(HOST = cjc)(PORT = 1521))

    (CONNECT_DATA =

      (SERVER = DEDICATED)

      (SERVICE_NAME = CJCPDB)

    )

  )

Oracle 12c nocdb怎么转换成cdb

---修改环境变量,指定cdb实例

[oracle@cjc ~]$ vi .bash_profile

......

#export ORACLE_SID=dapuchai

export ORACLE_SID=cjcdb

......

[oracle@cjc ~]$ source .bash_profile

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

Oracle 12c nocdb怎么转换成cdb

---关掉no-cdb

Oracle 12c nocdb怎么转换成cdb

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