ORACLE 12C备份与恢复测试

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标题:ORACLE 12C备份与恢复测试

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12C引进了pdb的概念,使得rman的恢复相对来说复杂了一些,这里对pdb的常规备份和恢复进行了简单测试,供大家参考
cdb启动和pdb关系测试

[oracle@xifenfei tmp]$ sqlplus / as sysdba

SQL*Plus: Release 12.1.0.0.2 Beta on Wed Dec 12 23:48:02 2012

Copyright (c) 1982, 2012, Oracle.  All rights reserved.


Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.0.2 - 64bit     
With the Partitioning, OLAP, Data Mining and Real Application Testing options


SQL> startup
ORACLE instance started.

Total System Global Area  939495424 bytes
Fixed Size                  2267128 bytes
Variable Size             662702088 bytes
Database Buffers          268435456 bytes
Redo Buffers                6090752 bytes
Database mounted.
Database opened.
SQL> select con_id,dbid,NAME,OPEN_MODE from v$pdbs;

    CON_ID       DBID NAME                           OPEN_MODE
---------- ---------- ------------------------------ ----------
         2 4043918109 PDB$SEED                       READ ONLY
         3 2346805300 LX1                            MOUNTED
         4 2385557792 LX2                            MOUNTED
         5 1565384817 FF                             MOUNTED

SQL> alter pluggable database all open;

Pluggable database altered.

SQL> select con_id,dbid,NAME,OPEN_MODE from v$pdbs;

    CON_ID       DBID NAME                           OPEN_MODE
---------- ---------- ------------------------------ ----------
         2 4043918109 PDB$SEED                       READ ONLY
         3 2346805300 LX1                            READ WRITE
         4 2385557792 LX2                            READ WRITE
         5 1565384817 FF                             READ WRITE

证明直接startup cdb里面的pdb不会自动open,需要手工进行open

rman使用cdb备份数据库

[oracle@xifenfei ~]$ rman target /

Recovery Manager: Release 12.1.0.0.2        on Wed Dec 12 21:36:08 2012

Copyright (c) 1982, 2012, Oracle and/or its affiliates.  All rights reserved.

connected to target database: xifenfei (DBID=2412861330)

RMAN> backup filesperset = 5 as compressed backupset database format '/tmp/full_db_%U';

Starting backup at 12-DEC-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=259 device type=DISK
channel ORA_DISK_1: starting compressed full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00001 name=/u01/app/oracle/oradata/xifenfei/system01.dbf
input datafile file number=00010 name=/u01/app/oracle/oradata/xifenfei/LX2/system01.dbf
input datafile file number=00011 name=/u01/app/oracle/oradata/xifenfei/LX2/sysaux01.dbf
channel ORA_DISK_1: starting piece 1 at 12-DEC-12
channel ORA_DISK_1: finished piece 1 at 12-DEC-12
piece handle=/tmp/full_db_06nsn3uq_1_1 tag=TAG20121212T213626 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:45
channel ORA_DISK_1: starting compressed full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00019 name=/u01/app/oracle/oradata/xifenfei/xffexample01.dbf
input datafile file number=00005 name=/u01/app/oracle/oradata/xifenfei/undotbs01.dbf
input datafile file number=00007 name=/u01/app/oracle/oradata/xifenfei/LX1/system01.dbf
input datafile file number=00018 name=/u01/app/oracle/oradata/xifenfei/xffSAMPLE_SCHEMA_users01.dbf
input datafile file number=00008 name=/u01/app/oracle/oradata/xifenfei/LX1/sysaux01.dbf
channel ORA_DISK_1: starting piece 1 at 12-DEC-12
channel ORA_DISK_1: finished piece 1 at 12-DEC-12
piece handle=/tmp/full_db_07nsn407_1_1 tag=TAG20121212T213626 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:45
channel ORA_DISK_1: starting compressed full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00017 name=/u01/app/oracle/oradata/xifenfei/xffsysaux01.dbf
input datafile file number=00002 name=/u01/app/oracle/oradata/xifenfei/pdbseed/system01.dbf
input datafile file number=00004 name=/u01/app/oracle/oradata/xifenfei/pdbseed/sysaux01.dbf
channel ORA_DISK_1: starting piece 1 at 12-DEC-12
channel ORA_DISK_1: finished piece 1 at 12-DEC-12
piece handle=/tmp/full_db_08nsn41l_1_1 tag=TAG20121212T213626 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:01:15
channel ORA_DISK_1: starting compressed full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00003 name=/u01/app/oracle/oradata/xifenfei/sysaux01.dbf
input datafile file number=00016 name=/u01/app/oracle/oradata/xifenfei/xffsystem01.dbf
input datafile file number=00006 name=/u01/app/oracle/oradata/xifenfei/users01.dbf
input datafile file number=00009 name=/u01/app/oracle/oradata/xifenfei/LX1/LX1_users01.dbf
input datafile file number=00012 name=/u01/app/oracle/oradata/xifenfei/LX2/LX2_users01.dbf
channel ORA_DISK_1: starting piece 1 at 12-DEC-12
channel ORA_DISK_1: finished piece 1 at 12-DEC-12
piece handle=/tmp/full_db_09nsn440_1_1 tag=TAG20121212T213626 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:45
channel ORA_DISK_1: starting compressed full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
including current control file in backup set
including current SPFILE in backup set
channel ORA_DISK_1: starting piece 1 at 12-DEC-12
channel ORA_DISK_1: finished piece 1 at 12-DEC-12
piece handle=/tmp/full_db_0ansn45d_1_1 tag=TAG20121212T213626 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 12-DEC-12

RMAN> list backup summary;


List of Backups
===============
Key     TY LV S Device Type Completion Time #Pieces #Copies Compressed Tag
------- -- -- - ----------- --------------- ------- ------- ---------- ---
1       B  F  A DISK        12-DEC-12       1       1       YES        TAG20121212T213250
2       B  F  A DISK        12-DEC-12       1       1       YES        TAG20121212T213626
3       B  F  A DISK        12-DEC-12       1       1       YES        TAG20121212T213626
4       B  F  A DISK        12-DEC-12       1       1       YES        TAG20121212T213626
5       B  F  A DISK        12-DEC-12       1       1       YES        TAG20121212T213626
6       B  F  A DISK        12-DEC-12       1       1       YES        TAG20121212T213626

RMAN> report schema;

Report of database schema for database with db_unique_name xifenfei

List of Permanent Datafiles
===========================
File Size(MB) Tablespace           RB segs Datafile Name
---- -------- -------------------- ------- ------------------------
1    700      SYSTEM               ***     /u01/app/oracle/oradata/xifenfei/system01.dbf
2    210      PDB$SEED:SYSTEM      ***     /u01/app/oracle/oradata/xifenfei/pdbseed/system01.dbf
3    550      SYSAUX               ***     /u01/app/oracle/oradata/xifenfei/sysaux01.dbf
4    165      PDB$SEED:SYSAUX      ***     /u01/app/oracle/oradata/xifenfei/pdbseed/sysaux01.dbf
5    310      UNDOTBS1             ***     /u01/app/oracle/oradata/xifenfei/undotbs01.dbf
6    5        USERS                ***     /u01/app/oracle/oradata/xifenfei/users01.dbf
7    210      LX1:SYSTEM           ***     /u01/app/oracle/oradata/xifenfei/LX1/system01.dbf
8    165      LX1:SYSAUX           ***     /u01/app/oracle/oradata/xifenfei/LX1/sysaux01.dbf
9    5        LX1:USERS            ***     /u01/app/oracle/oradata/xifenfei/LX1/LX1_users01.dbf
10   210      LX2:SYSTEM           ***     /u01/app/oracle/oradata/xifenfei/LX2/system01.dbf
11   165      LX2:SYSAUX           ***     /u01/app/oracle/oradata/xifenfei/LX2/sysaux01.dbf
12   5        LX2:USERS            ***     /u01/app/oracle/oradata/xifenfei/LX2/LX2_users01.dbf
16   270      FF:SYSTEM            ***     /u01/app/oracle/oradata/xifenfei/xffsystem01.dbf
17   570      FF:SYSAUX            ***     /u01/app/oracle/oradata/xifenfei/xffsysaux01.dbf
18   5        FF:USERS             ***     /u01/app/oracle/oradata/xifenfei/xffSAMPLE_SCHEMA_users01.dbf
19   341      FF:EXAMPLE           ***     /u01/app/oracle/oradata/xifenfei/xffexample01.dbf

List of Temporary Files
=======================
File Size(MB) Tablespace           Maxsize(MB) Tempfile Name
---- -------- -------------------- ----------- --------------------
1    530      TEMP                 32767       /u01/app/oracle/oradata/xifenfei/temp01.dbf
2    20       PDB$SEED:TEMP        32767       /u01/app/oracle/oradata/xifenfei/pdbseed/temp01.dbf
3    20       LX1:TEMP             32767       /u01/app/oracle/oradata/xifenfei/LX1/temp01.dbf
4    20       LX2:TEMP             32767       /u01/app/oracle/oradata/xifenfei/LX2/temp01.dbf
5    20       FF:TEMP              32767       /u01/app/oracle/oradata/xifenfei/xfftemp01.dbf

试验证明:通过rman通过cdb库的备份,可以实现对对应的cdb和所包含的pdb进行备份

配置pdb访问tns

[oracle@xifenfei ~]$ lsnrctl status

LSNRCTL for Linux: Version 12.1.0.0.2        on 12-DEC-2012 22:33:27

Copyright (c) 1991, 2012, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=xifenfei)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 12.1.0.0.2       
Start Date                12-DEC-2012 22:31:55
Uptime                    0 days 0 hr. 1 min. 32 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/oracle/product/12.1/db_1/network/admin/listener.ora
Listener Log File         /u01/app/oracle/diag/tnslsnr/xifenfei/listener/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=xifenfei)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=xifenfei)(PORT=5500))(Presentation=HTTP)(Session=RAW))
Services Summary...
Service "ff" has 1 instance(s).
  Instance "xff", status READY, has 1 handler(s) for this service...
Service "xifenfei" has 1 instance(s).
  Instance "xff", status READY, has 1 handler(s) for this service...
Service "lx1" has 1 instance(s).
  Instance "xff", status READY, has 1 handler(s) for this service...
Service "lx2" has 1 instance(s).
  Instance "xff", status READY, has 1 handler(s) for this service...
Service "xffXDB" has 1 instance(s).
  Instance "xff", status READY, has 1 handler(s) for this service...
The command completed successfully

[oracle@xifenfei admin]$ vi tnsnames.ora 
lx1 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = xifenfei)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = lx1)
    )
  )
ff =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = xifenfei)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ff)
    )
  )

sqlplus访问pdb

[oracle@xifenfei admin]$ sqlplus sys@lx1 as sysdba

SQL*Plus: Release 12.1.0.0.2 Beta on Wed Dec 12 22:35:07 2012

Copyright (c) 1982, 2012, Oracle.  All rights reserved.

Enter password: 

Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.0.2 - 64bit     
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> show con_name;

CON_NAME
------------------------------
LX1

SQL> create user xff identified by xifenfei;

User created.

SQL> GRANT SYSDBA TO XFF;

Grant succeeded.

rman备份pdb数据库

[oracle@xifenfei admin]$ rman target xff/xifenfei@lx1

Recovery Manager: Release 12.1.0.0.2        on Wed Dec 12 22:44:46 2012

Copyright (c) 1982, 2012, Oracle and/or its affiliates.  All rights reserved.

connected to target database: xifenfei (DBID=2412861330)

RMAN> backup filesperset = 5 as compressed backupset database format '/tmp/lx1_db_%U';

Starting backup at 12-DEC-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=256 device type=DISK
channel ORA_DISK_1: starting compressed full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00007 name=/u01/app/oracle/oradata/xifenfei/LX1/system01.dbf
input datafile file number=00008 name=/u01/app/oracle/oradata/xifenfei/LX1/sysaux01.dbf
input datafile file number=00009 name=/u01/app/oracle/oradata/xifenfei/LX1/LX1_users01.dbf
channel ORA_DISK_1: starting piece 1 at 12-DEC-12
channel ORA_DISK_1: finished piece 1 at 12-DEC-12
piece handle=/tmp/lx1_db_0bnsn80f_1_1 tag=TAG20121212T224534 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:25
Finished backup at 12-DEC-12

RMAN> report schema;

Report of database schema for database with db_unique_name xifenfei

List of Permanent Datafiles
===========================
File Size(MB) Tablespace           RB segs Datafile Name
---- -------- -------------------- ------- ------------------------
7    210      LX1:SYSTEM           ***     /u01/app/oracle/oradata/xifenfei/LX1/system01.dbf
8    165      LX1:SYSAUX           ***     /u01/app/oracle/oradata/xifenfei/LX1/sysaux01.dbf
9    5        LX1:USERS            ***     /u01/app/oracle/oradata/xifenfei/LX1/LX1_users01.dbf

List of Temporary Files
=======================
File Size(MB) Tablespace           Maxsize(MB) Tempfile Name
---- -------- -------------------- ----------- --------------------
3    20       LX1:TEMP             32767       /u01/app/oracle/oradata/xifenfei/LX1/temp01.dbf

rman通过cdb备份pdb

[oracle@xifenfei admin]$ rman target /

Recovery Manager: Release 12.1.0.0.2        on Wed Dec 12 23:02:07 2012

Copyright (c) 1982, 2012, Oracle and/or its affiliates.  All rights reserved.

connected to target database: xifenfei (DBID=2412861330)

RMAN> backup filesperset = 5 as compressed backupset pluggable database FF format '/tmp/ff_db_%U';

Starting backup at 12-DEC-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=262 device type=DISK
channel ORA_DISK_1: starting compressed full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00017 name=/u01/app/oracle/oradata/xifenfei/xffsysaux01.dbf
input datafile file number=00019 name=/u01/app/oracle/oradata/xifenfei/xffexample01.dbf
input datafile file number=00016 name=/u01/app/oracle/oradata/xifenfei/xffsystem01.dbf
input datafile file number=00018 name=/u01/app/oracle/oradata/xifenfei/xffSAMPLE_SCHEMA_users01.dbf
channel ORA_DISK_1: starting piece 1 at 12-DEC-12
channel ORA_DISK_1: finished piece 1 at 12-DEC-12
piece handle=/tmp/ff_db_0cnsn8vm_1_1 tag=TAG20121212T230214 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:01:26
Finished backup at 12-DEC-12

模拟pdb库全库恢复

SQL> conn xff/xifenfei@lx1 as sysdba
Connected.

SQL> create table t_xifenfei as select * from dba_objects;

Table created.

SQL> select count(*) from t_xifenfei;

  COUNT(*)
----------
     19121

--在pdb中不能切换日志(因为日志是全局的)
SQL> alter system switch logfile;
alter system switch logfile
*
ERROR at line 1:
ORA-65040: operation not allowed from within a pluggable database

SQL> shutdown immediate;
Pluggable Database closed.

--删除数据文件
[oracle@xifenfei admin]$ rm /u01/app/oracle/oradata/xifenfei/LX1/*

--rman基于cdb恢复pdb库
[oracle@xifenfei ~]$ rman target /

Recovery Manager: Release 12.1.0.0.2        on Wed Dec 12 23:11:22 2012

Copyright (c) 1982, 2012, Oracle and/or its affiliates.  All rights reserved.

connected to target database: xifenfei (DBID=2412861330)

RMAN> restore pluggable database lx1;

Starting restore at 12-DEC-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=25 device type=DISK

channel ORA_DISK_1: starting datafile backup set restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
channel ORA_DISK_1: restoring datafile 00007 to /u01/app/oracle/oradata/xifenfei/LX1/system01.dbf
channel ORA_DISK_1: restoring datafile 00008 to /u01/app/oracle/oradata/xifenfei/LX1/sysaux01.dbf
channel ORA_DISK_1: restoring datafile 00009 to /u01/app/oracle/oradata/xifenfei/LX1/LX1_users01.dbf
channel ORA_DISK_1: reading from backup piece /tmp/lx1_db_0bnsn80f_1_1
channel ORA_DISK_1: piece handle=/tmp/lx1_db_0bnsn80f_1_1 tag=TAG20121212T224534
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:25
Finished restore at 12-DEC-12

RMAN> recover pluggable database lx1;

Starting recover at 12-DEC-12
using channel ORA_DISK_1

starting media recovery
media recovery complete, elapsed time: 00:00:01

Finished recover at 12-DEC-12

RMAN> alter pluggable database lx1 open;

Statement processed

--验证恢复结果
SQL> conn xff/xifenfei@lx1 as sysdba
Connected.

SQL> select count(*) from t_xifenfei;

  COUNT(*)
----------
     19121

试验证明:对于pdb库的备份,使用rman可以在cdb级别进行还原和恢复

模拟数据文件恢复

SQL> create table t_xifenfei tablespace example
  2   as
  3    select * from dba_objects;

Table created.

SQL> select count(*) from t_xifenfei;

  COUNT(*)
----------
     89604

SQL> col name for a60 
SQL> set lines 134
SQL> select file#,name from v$datafile;

     FILE# NAME
---------- -----------------------------------------------------------
         5 /u01/app/oracle/oradata/xifenfei/undotbs01.dbf
        16 /u01/app/oracle/oradata/xifenfei/xffsystem01.dbf
        17 /u01/app/oracle/oradata/xifenfei/xffsysaux01.dbf
        18 /u01/app/oracle/oradata/xifenfei/xffSAMPLE_SCHEMA_users01.dbf
        19 /u01/app/oracle/oradata/xifenfei/xffexample01.dbf

--离线含测试数据的数据文件
SQL> alter database datafile 19 offline;

Database altered.

--删除数据文件
SQL> !rm /u01/app/oracle/oradata/xifenfei/xffexample01.dbf

SQL> !ls -l /u01/app/oracle/oradata/xifenfei/xffexample01.dbf
ls: /u01/app/oracle/oradata/xifenfei/xffexample01.dbf: No such file or directory


--尝试pdb级别恢复
[oracle@xifenfei ~]$ rman target sys/xifenfei@ff

Recovery Manager: Release 12.1.0.0.2        on Wed Dec 12 23:29:03 2012

Copyright (c) 1982, 2012, Oracle and/or its affiliates.  All rights reserved.

connected to target database: xifenfei (DBID=2412861330)

RMAN> restore datafile 19;

Starting restore at 12-DEC-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=19 device type=DISK

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 12/12/2012 23:29:15
RMAN-06026: some targets not found - aborting restore
RMAN-06023: no backup or copy of datafile 19 found to restore

--pdb级别不能识别对应数据文件(一种可能是我在cdb级别备份FF库,另一种可能bug)
RMAN> list backup of datafile 19;

specification does not match any backup in the repository

--在cdb级别还原
[oracle@xifenfei tmp]$ rman target /

Recovery Manager: Release 12.1.0.0.2        on Wed Dec 12 23:44:21 2012

Copyright (c) 1982, 2012, Oracle and/or its affiliates.  All rights reserved.

connected to target database: xifenfei (DBID=2412861330)

RMAN> list backup of datafile 19;

using target database control file instead of recovery catalog

List of Backup Sets
===================


BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
3       Full    76.81M     DISK        00:00:44     12-DEC-12      
        BP Key: 3   Status: AVAILABLE  Compressed: YES  Tag: TAG20121212T213626
        Piece Name: /tmp/full_db_07nsn407_1_1
  List of Datafiles in backup set 3
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  19      Full 1860043    12-DEC-12 /u01/app/oracle/oradata/xifenfei/xffexample01.dbf

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
8       Full    189.52M    DISK        00:01:25     12-DEC-12      
        BP Key: 8   Status: AVAILABLE  Compressed: YES  Tag: TAG20121212T230214
        Piece Name: /tmp/ff_db_0cnsn8vm_1_1
  List of Datafiles in backup set 8
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  19      Full 1860043    12-DEC-12 /u01/app/oracle/oradata/xifenfei/xffexample01.dbf

RMAN> restore datafile 19;

Starting restore at 12-DEC-12
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=28 device type=DISK

channel ORA_DISK_1: starting datafile backup set restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
channel ORA_DISK_1: restoring datafile 00019 to /u01/app/oracle/oradata/xifenfei/xffexample01.dbf
channel ORA_DISK_1: reading from backup piece /tmp/ff_db_0cnsn8vm_1_1
channel ORA_DISK_1: piece handle=/tmp/ff_db_0cnsn8vm_1_1 tag=TAG20121212T230214
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:45
Finished restore at 12-DEC-12

--cdb级别恢复数据文件
RMAN> recover datafile 19;

Starting recover at 12-DEC-12
using channel ORA_DISK_1

starting media recovery
media recovery complete, elapsed time: 00:00:01

Finished recover at 12-DEC-12

--cdb级别不能直接online
RMAN> alter database datafile 19 online;

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of sql statement command at 12/12/2012 23:46:15
ORA-01516: nonexistent log file, data file, or temporary file "19"

RMAN> alter pluggable database ff datafile 19 online;

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of sql statement command at 12/12/2012 23:47:53
ORA-65046: operation not allowed from outside a pluggable database

--进入pdb库进行online
SQL> alter database datafile 19 online;               

Database altered.

--验证数据
SQL> select count(*) from t_xifenfei;

  COUNT(*)
----------
     89604

试验证明:rman通过cdb级别操作,还是一步步恢复了pdb中离线异常的数据文件

总结说明
1.rman可以比较好的操作cdb和pdb备份
2.pdb的备份和恢复可以通过cdb来完成

此条目发表在 ORACLE 12C, rman备份/恢复 分类目录,贴了 标签。将固定链接加入收藏夹。

ORACLE 12C备份与恢复测试》有 3 条评论

  1. songwei 说:

    你好,
    在12.1.0.2版本下测试了通过CDB备份恢复PDB数据文件,可以正常恢复

      [引用]  [回复]

  2. 惜分飞 说:

    备份root和seed库

    [oracle@xifenfei ~]$ rman target /
    
    Recovery Manager: Release 12.1.0.0.2 - Beta on Thu Dec 13 00:40:52 2012
    
    Copyright (c) 1982, 2012, Oracle and/or its affiliates.  All rights reserved.
    
    connected to target database: XIFENFEI (DBID=2412861330)
    
    RMAN>  backup filesperset = 5 as compressed backupset  database root format '/tmp/cdb_db_%U';
    
    Starting backup at 13-DEC-12
    using target database control file instead of recovery catalog
    allocated channel: ORA_DISK_1
    channel ORA_DISK_1: SID=259 device type=DISK
    channel ORA_DISK_1: starting compressed full datafile backup set
    channel ORA_DISK_1: specifying datafile(s) in backup set
    input datafile file number=00001 name=/u01/app/oracle/oradata/xifenfei/system01.dbf
    input datafile file number=00003 name=/u01/app/oracle/oradata/xifenfei/sysaux01.dbf
    input datafile file number=00005 name=/u01/app/oracle/oradata/xifenfei/undotbs01.dbf
    input datafile file number=00006 name=/u01/app/oracle/oradata/xifenfei/users01.dbf
    channel ORA_DISK_1: starting piece 1 at 13-DEC-12
    channel ORA_DISK_1: finished piece 1 at 13-DEC-12
    piece handle=/tmp/cdb_db_0dnsnf1v_1_1 tag=TAG20121213T004550 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:01:15
    channel ORA_DISK_1: starting compressed full datafile backup set
    channel ORA_DISK_1: specifying datafile(s) in backup set
    including current control file in backup set
    including current SPFILE in backup set
    channel ORA_DISK_1: starting piece 1 at 13-DEC-12
    channel ORA_DISK_1: finished piece 1 at 13-DEC-12
    piece handle=/tmp/cdb_db_0ensnf4a_1_1 tag=TAG20121213T004550 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02
    Finished backup at 13-DEC-12
    
    RMAN> backup filesperset = 5 as compressed backupset pluggable database "PDB$SEED" format '/tmp/seed_db_%U';
    
    Starting backup at 13-DEC-12
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting compressed full datafile backup set
    channel ORA_DISK_1: specifying datafile(s) in backup set
    input datafile file number=00002 name=/u01/app/oracle/oradata/xifenfei/pdbseed/system01.dbf
    input datafile file number=00004 name=/u01/app/oracle/oradata/xifenfei/pdbseed/sysaux01.dbf
    channel ORA_DISK_1: starting piece 1 at 13-DEC-12
    channel ORA_DISK_1: finished piece 1 at 13-DEC-12
    piece handle=/tmp/seed_db_0fnsnf9i_1_1 tag=TAG20121213T004954 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:25
    Finished backup at 13-DEC-12
    

      [引用]  [回复]

  3. 惜分飞 说:

    cdb与pdb以及pdb之间相互切换

    SQL> alter session set container=CDB$ROOT;
    
    Session altered.
    
    SQL> show con_name;
    
    CON_NAME
    ------------------------------
    CDB$ROOT
    
    SQL> alter session set container = ff;
    
    Session altered.
    
    SQL> show con_name;
    
    CON_NAME
    ------------------------------
    FF
    SQL> alter session set container = lx1;
    
    Session altered.
    
    SQL> show con_name;
    
    CON_NAME
    ------------------------------
    LX1
    
    SQL> alter session set container=CDB$ROOT;
    
    Session altered.
    
    SQL> show con_name;
    
    CON_NAME
    ------------------------------
    CDB$ROOT
    

      [引用]  [回复]

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