使用RAC和Data Guard构建MAA架构

在前面的单实例数据库迁移至rac环境配置过程中，介绍了使用standby技术构建单实例主库对应rac物理备库的data guard模型，本节中将介绍rac主库对应单实例物理备库的data guard模型构建；在MAA架构中，ASM提供了存储方面的网格，RAC提供了数据库层面上的网格计算，data guard则着重强调在数据的备份和容灾方面，更多MAA方面的知识，参考下面的链接!
http://www.oracle.com/technetwork/database/features/availability/maa-090890.html

一：主备库的环境介绍
主库：
数据库版本：10.2.0.5
OS版本：centos4.8 64位
数据库名：rac（两个实例）
实例名：rac1,rac2
IP地址:192.168.1.41/24,192.168.1.42/24
db_unique_name: rac
服务名：rac.yang.com
监听器端口：1521
存储类型：OMF+ASM磁盘组，+DATA,+FRA

备库：
数据库版本：10.2.0.5
OS版本：rhel5.4 64位
数据库名：rac （单实例）
实例名：orcl
IP地址:192.168.1.49/24
db_unique_name: orcl
服务名：orcl.yang.com
监听器端口：1521
存储类型：文件系统+OMF

在开始前确保主库rac环境正常，备库只需要安装数据库软件即可，不需要建库

[oracle@rac1 ~]$ crs_stat -t -v Name           Type           R/RA   F/FT   Target    State     Host        ---------------------------------------------------------------------- ora.rac.db     application    0/0    0/1    ONLINE    ONLINE    rac1        ora....c1.inst application    0/5    0/0    ONLINE    ONLINE    rac1        ora....c2.inst application    0/5    0/0    ONLINE    ONLINE    rac2        ora....SM1.asm application    0/5    0/0    ONLINE    ONLINE    rac1        ora....C1.lsnr application    0/5    0/0    ONLINE    ONLINE    rac1        ora.rac1.gsd   application    0/5    0/0    ONLINE    ONLINE    rac1        ora.rac1.ons   application    0/3    0/0    ONLINE    ONLINE    rac1        ora.rac1.vip   application    0/0    0/0    ONLINE    ONLINE    rac1        ora....SM2.asm application    0/5    0/0    ONLINE    ONLINE    rac2        ora....C2.lsnr application    0/5    0/0    ONLINE    ONLINE    rac2        ora.rac2.gsd   application    0/5    0/0    ONLINE    ONLINE    rac2        ora.rac2.ons   application    0/3    0/0    ONLINE    ONLINE    rac2        ora.rac2.vip   application    0/0    0/0    ONLINE    ONLINE    rac2

二：配置监听器和tnsnames.ora文件如下，rac节点2上需要同样进行配置

[oracle@rac1 ~]$ cat $ORACLE_HOME/network/admin/listener.ora LISTENER_RAC1 =   (DESCRIPTION_LIST =     (DESCRIPTION =       (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.yang.com)(PORT = 1521)(IP = FIRST))       (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.41)(PORT = 1521)(IP = FIRST))     )   ) SID_LIST_LISTENER_RAC1 =   (SID_LIST =     (SID_DESC =       (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)       (GLOBAL_DBNAME=rac_DGMGRL.yang.com)       (SID_NAME = rac1)     )   ) [oracle@rac1 ~]$ sqlplus sys/[email protected]:1521/rac_DGMGRL.yang.com as sysdba SQL*Plus: Release 10.2.0.5.0 - Production on Thu Jan 12 10:56:05 2012 Copyright (c) 1982, 2010, Oracle.  All Rights Reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production With the Partitioning, Real Application Clusters, OLAP, Data Mining and Real Application Testing options SQL> [oracle@rac1 ~]$ cat $ORACLE_HOME/admin/tnsnames.ora LISTENERS_RAC =   (ADDRESS_LIST =     (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.yang.com)(PORT = 1521))     (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.yang.com)(PORT = 1521))   ) LISTENER_RAC1 =   (ADDRESS_LIST =     (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.yang.com)(PORT = 1521))   ) LISTENER_RAC2 =   (ADDRESS_LIST =     (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.yang.com)(PORT = 1521))   ) RAC =   (DESCRIPTION =     (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.yang.com)(PORT = 1521))     (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.yang.com)(PORT = 1521))     (LOAD_BALANCE = yes)     (CONNECT_DATA =       (SERVER = DEDICATED)       (SERVICE_NAME = rac.yang.com)     )   ) RAC1 =   (DESCRIPTION =     (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.yang.com)(PORT = 1521))     (CONNECT_DATA =       (SERVER = DEDICATED)       (SERVICE_NAME = rac.yang.com)       (INSTANCE_NAME = rac1)     )   ) RAC2 =   (DESCRIPTION =     (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.yang.com)(PORT = 1521))     (CONNECT_DATA =       (SERVER = DEDICATED)       (SERVICE_NAME = rac.yang.com)       (INSTANCE_NAME = rac2)     )   ) ORCL =   (DESCRIPTION =     (ADDRESS = (PROTOCOL = TCP)(HOST = server49.yang.com)(PORT = 1521))     (CONNECT_DATA =       (SERVER = DEDICATED)       (SERVICE_NAME = orcl.yang.com)       (INSTANCE_NAME = orcl)     )   )

三：备库的静听器配置和tnsnames.ora文件如下

[oracle@server49 ~]$ cat /u01/app/oracle/product/10.2.0/db1/network/admin/listener.ora LISTENER_ORCL =   (DESCRIPTION_LIST =     (DESCRIPTION =       (ADDRESS = (PROTOCOL = TCP)(HOST = server49.yang.com)(PORT = 1521)     )   ) SID_LIST_LISTENER_ORCL =   (SID_LIST =     (SID_DESC =       (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)       (GLOBAL_DBNAME=orcl_DGMGRL.yang.com)       (SID_NAME = orcl)     )   ) [oracle@server49 ~]$ cat /u01/app/oracle/product/10.2.0/db1/network/admin/tnsnames.ora LISTENER_ORCL =   (ADDRESS_LIST =     (ADDRESS = (PROTOCOL = TCP)(HOST = server49.yang.com)(PORT = 1521))   ) RAC =   (DESCRIPTION =     (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.yang.com)(PORT = 1521))     (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.yang.com)(PORT = 1521))     (LOAD_BALANCE = yes)     (CONNECT_DATA =       (SERVER = DEDICATED)       (SERVICE_NAME = rac.yang.com)     )   ) RAC1 =   (DESCRIPTION =     (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.yang.com)(PORT = 1521))     (CONNECT_DATA =       (SERVER = DEDICATED)       (SERVICE_NAME = rac.yang.com)       (INSTANCE_NAME = rac1)     )   ) RAC2 =   (DESCRIPTION =     (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.yang.com)(PORT = 1521))     (CONNECT_DATA =       (SERVER = DEDICATED)       (SERVICE_NAME = rac.yang.com)       (INSTANCE_NAME = rac2)     )   ) ORCL =   (DESCRIPTION =     (ADDRESS = (PROTOCOL = TCP)(HOST = server49.yang.com)(PORT = 1521))     (CONNECT_DATA =       (SERVER = DEDICATED)       (SERVICE_NAME = orcl.yang.com)       (INSTANCE_NAME = orcl)     )   )

四：在主库上修改初始化参数文件如下

[oracle@rac1 ~]$ sqlplus /nolog SQL*Plus: Release 10.2.0.5.0 - Production on Thu Jan 12 11:14:29 2012 Copyright (c) 1982, 2010, Oracle.  All Rights Reserved. SQL> conn /as sysdba Connected. SQL> alter database force logging; Database altered. SQL> alter system set log_file_name_convert='+FLASH/rac','/u01/app/oracle/flash_recover_area/orcl','+DATA/rac','/u01/app/oracle/oradata/orcl' scope=spfile; System altered. SQL> alter system set db_file_name_convert='+DATA/rac','/u01/app/oracle/oradata/orcl' scope=spfile； System altered. SQL> alter system set dg_broker_config_file1='+DATA/rac/dgbroker/dg_config_file1.dat'; System altered. SQL> alter system set dg_broker_config_file2='+FRA/rac/dgbroker/dg_config_file2.dat'; System altered. SQL> alter system set fal_client='rac1' sid='rac1'; System altered. SQL> alter system set fal_client='rac2' sid='rac2'; System altered. SQL> alter system set fal_server='orcl'; System altered. SQL> alter system set local_listener='LISTENER_RAC1' sid='rac1'; System altered. SQL> alter system set local_listener='LISTENER_RAC2' sid='rac2'; System altered. SQL> alter system set log_archive_config='DG_CONFIG=(rac,orcl)'; System altered. SQL> alter system set log_archive_dest_1='LOCATION=USE_DB_RECOVERY_FILE_DEST VALID_FOR=(ONLINE_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=rac'; System altered. SQL> alter system set log_archive_dest_state_2='defer'; System altered. SQL> alter system set log_archive_dest_2='SERVICE=orcl LGWR ASYNC VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=orcl'; System altered. SQL> alter system set log_archive_dest_3='LOCATION=+FRA/rac/standbylog/ VALID_FOR=(STANDBY_LOGFILES,STANDBY_ROLE) DB_UNIQUE_NAME=rac'; System altered. SQL> alter system set log_archive_dest_state_1=enable; System altered. SQL> alter system set log_archive_dest_state_3=enable; System altered. SQL> alter system set log_archive_max_processes=5; System altered. SQL> alter system set remote_listener='LISTENERS_RAC'; System altered. SQL> alter system set remote_login_passwordfile='EXCLUSIVE' scope=spfile; System altered. SQL> alter system set standby_archive_dest='+FRA/rac/standbylog'; System altered. SQL> alter system set standby_file_management='auto'; System altered.

五：由spfile生成pfile,同时增加相应的standby日志组

SQL> create pfile='/home/oracle/backup/initrac.ora' from spfile; File created. SQL> select thread#,group# from v$log;    THREAD#     GROUP# ---------- ----------          1          1          1          2          2          3          2          4 SQL> alter database add standby logfile thread 1 group 11 size 50M,group 12 size 50M,group 13 size 50M; Database altered. SQL> alter database add standby logfile thread 2 group 14 size 50M,group 15 size 50M,group 16 size 50M; Database altered. SQL> select thread#,group# from v$standby_log;    THREAD#     GROUP# ---------- ----------          1         11          1         12          1         13          2         14          2         15          2         16

六：利用rman备份主库文件，并复制到备库上

[oracle@rac1 ~]$ rman target / Recovery Manager: Release 10.2.0.5.0 - Production on Thu Jan 12 11:53:51 2012 Copyright (c) 1982, 2007, Oracle.  All rights reserved. connected to target database: RAC (DBID=2360349352) RMAN> run { 2> allocate channel c1 device type disk; 3> allocate channel c2 device type disk; 4> backup incremental level 0 5> format '/home/oracle/backup/db_%U' 6> tag 'bak_for_maa' database 7> plus archivelog; 8> release channel c1; 9> release channel c2; 10> } RMAN> backup current controlfile for standby format '/home/oracle/backup/control01.ctl'; [oracle@rac1 ~]$ scp -rp backup/ server49.yang.com:/home/oracle/

七：在备库上进行duplicate操作，需要创建相关的目录，准备密码文件，以及修改参数文件等

[oracle@server49 orcl]$ env |grep ORA ORACLE_SID=orcl ORACLE_BASE=/u01/app/oracle ORACLE_HOME=/u01/app/oracle/product/10.2.0/db1 [oracle@server49 orcl]$ pwd /u01/app/oracle/admin/orcl [oracle@server49 orcl]$ ls adump  bdump  cdump  dpdump  pfile  udump [oracle@server49 ~]$ orapwd file=$ORACLE_HOME/dbs/orapworcl password=123456 [oracle@server49 ~]$ cat /home/oracle/backup/initrac.ora *.__db_cache_size=100663296 *.__java_pool_size=4194304 *.__large_pool_size=4194304 *.__shared_pool_size=96468992 *.__streams_pool_size=0 *.audit_file_dest='/u01/app/oracle/admin/orcl/adump' *.background_dump_dest='/u01/app/oracle/admin/orcl/bdump' *.compatible='10.2.0.5.0' *.control_files='/u01/app/oracle/oradata/ORCL/controlfile/control01.ctl' *.core_dump_dest='/u01/app/oracle/admin/orcl/cdump' *.db_block_size=8192 *.db_create_file_dest='/u01/app/oracle/oradata' *.db_create_online_log_dest_1='/u01/app/oracle/flash_recovery_area/' *.db_domain='yang.com' *.db_file_multiblock_read_count=16 *.db_file_name_convert='+DATA/rac','/u01/app/oracle/oradata/ORCL' *.db_name='rac' *.db_recovery_file_dest='/u01/app/oracle/flash_recovery_area/' *.db_recovery_file_dest_size=21474836480 *.dg_broker_config_file1='/u01/app/oracle/product/10.2.0/db1/dbs/dg_config_file1.dat' *.dg_broker_config_file2='/u01/app/oracle/product/10.2.0/db1/dbs/dg_config_file2.dat' *.dispatchers='(PROTOCOL=TCP) (SERVICE=racXDB)' *.fal_client='orcl' *.fal_server='rac' *.job_queue_processes=10 *.local_listener='LISTENER_ORCL' *.log_archive_config='DG_CONFIG=(rac,orcl)' *.log_archive_dest_1='LOCATION=USE_DB_RECOVERY_FILE_DEST VALID_FOR=(ONLINE_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=orcl' *.log_archive_dest_2='SERVICE=rac LGWR ASYNC VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=rac' *.log_archive_dest_3='LOCATION=/u01/app/oracle/flash_recovery_area/ORCL/standbylog/ VALID_FOR=(STANDBY_LOGFILES,STANDBY_ROLE) DB_UNIQUE_NAME=orcl' *.log_archive_dest_state_1='ENABLE' *.log_archive_dest_state_2='defer' *.log_archive_dest_state_3='ENABLE' *.log_archive_format='%t_%s_%r.dbf' *.log_archive_max_processes=5 *.log_file_name_convert='+FLASH/rac','/u01/app/oracle/flash_recovery_area/ORCL','+DATA/rac','/u01/app/oracle/oradata/ORCL' *.open_cursors=300 *.pga_aggregate_target=71303168 *.processes=150 *.remote_login_passwordfile='EXCLUSIVE' *.sga_target=213909504 *.standby_archive_dest='/u01/app/oracle/flash_recovery_area/ORCL/standbylog/' *.standby_file_management='auto' *.undo_management='AUTO' *.undo_tablespace='UNDOTBS1' *.user_dump_dest='/u01/app/oracle/admin/orcl/udump' [oracle@server49 ~]$ sqlplus /nolog SQL*Plus: Release 10.2.0.5.0 - Production on Thu Jan 12 13:49:40 2012 Copyright (c) 1982, 2010, Oracle.  All Rights Reserved. SQL> conn /as sysdba Connected to an idle instance. SQL> startup nomount pfile='/home/oracle/backup/initrac.ora'; ORACLE instance started. Total System Global Area  213909504 bytes Fixed Size                  2095152 bytes Variable Size             104859600 bytes Database Buffers          100663296 bytes Redo Buffers                6291456 bytes SQL> create spfile from pfile='/home/oracle/backup/initrac.ora'; File created. [oracle@server49 ~]$ rman target sys/123456@rac auxiliary / Recovery Manager: Release 10.2.0.5.0 - Production on Thu Jan 12 13:59:30 2012 Copyright (c) 1982, 2007, Oracle.  All rights reserved. connected to target database: RAC (DBID=2360349352) connected to auxiliary database: RAC (not mounted) RMAN> duplicate target database for standby; [oracle@server49 ~]$ rman target / Recovery Manager: Release 10.2.0.5.0 - Production on Thu Jan 12 14:49:38 2012 Copyright (c) 1982, 2007, Oracle.  All rights reserved. connected to target database: RAC (DBID=2360349352, not open)  RMAN> report schema; using target database control file instead of recovery catalog RMAN-06139: WARNING: control file is not current for REPORT SCHEMA Report of database schema List of Permanent Datafiles =========================== File Size(MB) Tablespace           RB segs Datafile Name ---- -------- -------------------- ------- ------------------------ 1    440      SYSTEM               ***     /u01/app/oracle/oradata/ORCL/datafile/system.264.772367249 2    35       UNDOTBS1             ***     /u01/app/oracle/oradata/ORCL/datafile/undotbs1.258.772367251 3    250      SYSAUX               ***     /u01/app/oracle/oradata/ORCL/datafile/sysaux.265.772367249 4    5        USERS                ***     /u01/app/oracle/oradata/ORCL/datafile/users.309.772367251 5    100      EXAMPLE              ***     /u01/app/oracle/oradata/ORCL/datafile/example.289.772367357 6    25       UNDOTBS2             ***     /u01/app/oracle/oradata/ORCL/datafile/undotbs2.259.772367523List of Temporary Files ======================= File Size(MB) Tablespace           Maxsize(MB) Tempfile Name ---- -------- -------------------- ----------- -------------------- 1    0        TEMP                 32767       /u01/app/oracle/oradata/ORCL/tempfile/temp.285.772367353

八：在备库上还原日志文件，修改onlinelog和standby log的路径

SQL> show parameter name; NAME                                 TYPE        VALUE ------------------------------------ ----------- ------------------------------ db_file_name_convert                 string      +DATA/rac, /u01/app/oracle/ora                                                  data/ORCL db_name                              string      rac db_unique_name                       string      orcl global_names                         boolean     FALSE instance_name                        string      orcl lock_name_space                      string log_file_name_convert                string      +FLASH/rac, /u01/app/oracle/fl                                                  ash_recovery_area/ORCL, +DATA/                                                  rac, /u01/app/oracle/oradata/O                                                  RCL NAME                                 TYPE        VALUE ------------------------------------ ----------- ------------------------------ service_names                        string      orcl.yang.com SQL> archive log list; Database log mode              Archive Mode Automatic archival             Enabled Archive destination            USE_DB_RECOVERY_FILE_DEST Oldest online log sequence     9 Next log sequence to archive   10 Current log sequence           10 RMAN> restore archivelog all; [oracle@server49 ~]$ ls /u01/app/oracle/flash_recovery_area/ORCL/archivelog/2012_01_12/ o1_mf_1_3_7jx11wrr_.arc  o1_mf_1_8_7jx11s7b_.arc  o1_mf_2_4_7jx123sx_.arc o1_mf_1_4_7jx11scv_.arc  o1_mf_1_9_7jx12d26_.arc  o1_mf_2_5_7jx123q4_.arc o1_mf_1_5_7jx11rpy_.arc  o1_mf_2_1_7jx11rds_.arc  o1_mf_2_6_7jx124xf_.arc o1_mf_1_6_7jx11rvt_.arc  o1_mf_2_2_7jx124gw_.arc  o1_mf_2_7_7jx12bz0_.arc o1_mf_1_7_7jx11s0q_.arc  o1_mf_2_3_7jx12419_.arc SQL> select group#,member from v$logfile;     GROUP# MEMBER ---------- --------------------------------------------------          2 +FRA/rac/onlinelog/group_2.306.772367347          1 +FRA/rac/onlinelog/group_1.307.772367339          3 +FRA/rac/onlinelog/group_3.305.772367577          4 +FRA/rac/onlinelog/group_4.304.772367577         11 +FRA/rac/onlinelog/group_11.303.772371907         12 +FRA/rac/onlinelog/group_12.302.772371907         13 +FRA/rac/onlinelog/group_13.301.772371915         14 +FRA/rac/onlinelog/group_14.300.772371979         15 +FRA/rac/onlinelog/group_15.299.772371979         16 +FRA/rac/onlinelog/group_16.298.772371981 SQL> alter system set standby_file_management=manual; System altered. SQL> alter database rename file '+FRA/rac/onlinelog/group_2.306.772367347' to '/u01/app/oracle/oradata/ORCL/onlinelog/group_2.306.772367347'; Database altered. SQL> select member from v$logfile; MEMBER -------------------------------------------------------------------------------- /u01/app/oracle/oradata/ORCL/onlinelog/group_2.306.772367347 /u01/app/oracle/oradata/ORCL/onlinelog/group_1.307.772367339 /u01/app/oracle/oradata/ORCL/onlinelog/group_3.305.772367577 /u01/app/oracle/oradata/ORCL/onlinelog/group_4.304.772367577 /u01/app/oracle/oradata/ORCL/onlinelog/group_11.303.772371907 /u01/app/oracle/oradata/ORCL/onlinelog/group_12.302.772371907 /u01/app/oracle/oradata/ORCL/onlinelog/group_13.301.772371915 /u01/app/oracle/oradata/ORCL/onlinelog/group_14.300.772371979 /u01/app/oracle/oradata/ORCL/onlinelog/group_15.299.772371979 /u01/app/oracle/oradata/ORCL/onlinelog/group_16.298.772371981 SQL> alter system set standby_file_management=auto; System altered.

九：将备库置于实时应用归档日志状态并观察日志输出

SQL> select name,database_role from v$database; NAME      DATABASE_ROLE --------- ---------------- RAC       PHYSICAL STANDBY SQL> alter database recover managed standby database using current logfile disconnect from session; Database altered. [oracle@server49 ~]$ tail -f /u01/app/oracle/admin/orcl/bdump/alert_orcl.log Clearing online redo logfile 4 complete Media Recovery Log /u01/app/oracle/flash_recovery_area/ORCL/archivelog/2012_01_12/o1_mf_1_9_7jx12d26_.arc Media Recovery Log /u01/app/oracle/flash_recovery_area/ORCL/archivelog/2012_01_12/o1_mf_2_7_7jx12bz0_.arc Thu Jan 12 15:17:17 CST 2012 Media Recovery Waiting for thread 1 sequence 10 SQL> select first_time,next_time,sequence#,applied,thread# from v$archived_log order by 5,3; FIRST_TIME          NEXT_TIME            SEQUENCE# APP    THREAD# ------------------- ------------------- ---------- --- ---------- 2012-01-12:10:32:16 2012-01-12:11:51:23          3 NO           1 2012-01-12:10:32:16 2012-01-12:11:51:23          3 NO           1 2012-01-12:11:51:23 2012-01-12:11:56:14          4 NO           1 2012-01-12:11:51:23 2012-01-12:11:56:14          4 NO           1 2012-01-12:11:56:14 2012-01-12:12:03:36          5 NO           1 2012-01-12:11:56:14 2012-01-12:12:03:36          5 NO           1 2012-01-12:12:03:36 2012-01-12:12:58:27          6 NO           1 2012-01-12:12:03:36 2012-01-12:12:58:27          6 NO           1 2012-01-12:12:58:27 2012-01-12:13:06:02          7 NO           1 2012-01-12:12:58:27 2012-01-12:13:06:02          7 NO           1 2012-01-12:13:06:02 2012-01-12:13:08:02          8 YES          1 FIRST_TIME          NEXT_TIME            SEQUENCE# APP    THREAD# ------------------- ------------------- ---------- --- ---------- 2012-01-12:13:06:02 2012-01-12:13:08:02          8 NO           1 2012-01-12:13:08:02 2012-01-12:13:14:12          9 NO           1 2012-01-12:13:08:02 2012-01-12:13:14:12          9 YES          1 2012-01-12:10:32:58 2012-01-12:11:51:25          1 NO           2 2012-01-12:10:32:58 2012-01-12:11:51:25          1 NO           2 2012-01-12:11:51:25 2012-01-12:11:56:11          2 NO           2 2012-01-12:11:51:25 2012-01-12:11:56:11          2 NO           2 2012-01-12:11:56:11 2012-01-12:12:03:36          3 NO           2 2012-01-12:11:56:11 2012-01-12:12:03:36          3 NO           2 2012-01-12:12:03:36 2012-01-12:12:58:28          4 NO           2 2012-01-12:12:03:36 2012-01-12:12:58:28          4 NO           2 FIRST_TIME          NEXT_TIME            SEQUENCE# APP    THREAD# ------------------- ------------------- ---------- --- ---------- 2012-01-12:12:58:28 2012-01-12:13:06:02          5 NO           2 2012-01-12:12:58:28 2012-01-12:13:06:02          5 NO           2 2012-01-12:13:06:02 2012-01-12:13:08:06          6 NO           2 2012-01-12:13:06:02 2012-01-12:13:08:06          6 NO           2 2012-01-12:13:08:06 2012-01-12:13:14:13          7 NO           2 2012-01-12:13:08:06 2012-01-12:13:14:13          7 NO           2

十：测试，主库上新建表空间，建表后切换日志，备库置于只读模式验证数据一致性

[oracle@rac1 ~]$ sqlplus sys/123456@rac as sysdba SQL*Plus: Release 10.2.0.5.0 - Production on Thu Jan 12 15:21:46 2012 Copyright (c) 1982, 2010, Oracle.  All Rights Reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production With the Partitioning, Real Application Clusters, OLAP, Data Mining and Real Application Testing options SQL> create tablespace maa datafile size 100M; Tablespace created. SQL> create table hr.maa_test tablespace maa as select * from dba_source; Table created. SQL> alter system archive log current; System altered. SQL> alter system set log_archive_dest_state_2=enable; System altered. SQL> alter system archive log current; System altered. SQL> select first_time,next_time,sequence#,applied,thread# from v$archived_log  where sequence# >10 order by 5,3; FIRST_TIME          NEXT_TIME            SEQUENCE# APP    THREAD# ------------------- ------------------- ---------- --- ---------- 2012-01-12:14:07:46 2012-01-12:14:07:46         11 YES          1 2012-01-12:14:17:59 2012-01-12:14:18:04         12 YES          1 2012-01-12:14:18:04 2012-01-12:15:23:28         13 YES          1 2012-01-12:15:23:28 2012-01-12:15:24:14         14 YES          1 2012-01-12:15:24:14 2012-01-12:15:25:30         15 YES          1 2012-01-12:14:25:54 2012-01-12:15:24:13         11 YES          2 2012-01-12:15:24:13 2012-01-12:15:25:36         12 YES          2 节点1： SQL> archive log list; Database log mode              Archive Mode Automatic archival             Enabled Archive destination            USE_DB_RECOVERY_FILE_DEST Oldest online log sequence     15 Next log sequence to archive   16 Current log sequence           16 节点2： SQL> conn /as sysdba Connected. SQL> archive log list; Database log mode              Archive Mode Automatic archival             Enabled Archive destination            USE_DB_RECOVERY_FILE_DEST Oldest online log sequence     12 Next log sequence to archive   13 Current log sequence           13. SQL> alter database recover managed standby database cancel; Database altered. SQL> alter database open read only; Database altered. SQL> select tablespace_name from dba_tablespaces; TABLESPACE_NAME ------------------------------ SYSTEM UNDOTBS1 SYSAUX TEMP USERS UNDOTBS2 EXAMPLE MAA SQL> select count(*) from hr.maa_test;   COUNT(*) ----------     295528 SQL> alter database recover managed standby database using current logfile disconnect from session; Database altered. SQL> select * from v$archive_gap; no rows selected SQL> select process, client_process, sequence#, status from v$managed_standby; PROCESS   CLIENT_P  SEQUENCE# STATUS --------- -------- ---------- ------------ ARCH      ARCH             17 CLOSING ARCH      ARCH             14 CLOSING ARCH      ARCH              0 CONNECTED ARCH      ARCH              0 CONNECTED ARCH      ARCH              0 CONNECTED RFS       UNKNOWN           0 IDLE RFS       UNKNOWN           0 IDLE RFS       UNKNOWN           0 IDLE RFS       UNKNOWN           0 IDLE RFS       UNKNOWN           0 IDLE RFS       UNKNOWN           0 IDLE PROCESS   CLIENT_P  SEQUENCE# STATUS --------- -------- ---------- ------------ RFS       UNKNOWN           0 IDLE RFS       UNKNOWN           0 IDLE MRP0      N/A              15 APPLYING_LOG RFS       LGWR             18 IDLE RFS       LGWR             15 IDLE SQL> select thread#, max (sequence#) from v$log_history group by thread#;    THREAD# MAX(SEQUENCE#) ---------- --------------          1             17          2             14 备库上相关的文件如下： [oracle@server49 ~]$ ls /u01/app/oracle/flash_recovery_area/ORCL/standbylog/ 1_10_772367339.dbf  1_14_772367339.dbf  2_10_772367339.dbf  2_14_772367339.dbf 1_11_772367339.dbf  1_15_772367339.dbf  2_11_772367339.dbf  2_8_772367339.dbf 1_12_772367339.dbf  1_16_772367339.dbf  2_12_772367339.dbf  2_9_772367339.dbf 1_13_772367339.dbf  1_17_772367339.dbf  2_13_772367339.dbf [oracle@server49 ~]$ ls /u01/app/oracle/flash_recovery_area/ORCL/archivelog/2012_01_12/ o1_mf_1_3_7jxs4g18_.arc  o1_mf_1_8_7jxs4cxn_.arc  o1_mf_2_4_7jxs4k77_.arc o1_mf_1_4_7jxs4d5z_.arc  o1_mf_1_9_7jxs4of6_.arc  o1_mf_2_5_7jxs4k43_.arc o1_mf_1_5_7jxs4c3h_.arc  o1_mf_2_1_7jxs4bpl_.arc  o1_mf_2_6_7jxs4l0r_.arc o1_mf_1_6_7jxs4cnh_.arc  o1_mf_2_2_7jxs4km1_.arc  o1_mf_2_7_7jxs4nbr_.arc o1_mf_1_7_7jxs4csf_.arc  o1_mf_2_3_7jxs4kds_.arc [oracle@server49 ~]$ ls /u01/app/oracle/oradata/ORCL/controlfile/ control01.ctl [oracle@server49 ~]$ ls /u01/app/oracle/oradata/ORCL/datafile/ example.289.772367357    sysaux.265.772367249  undotbs1.258.772367251  users.309.772367251 o1_mf_maa_7jxt3t7d_.dbf  system.264.772367249  undotbs2.259.772367523 [oracle@server49 ~]$ ls /u01/app/oracle/oradata/ORCL/onlinelog/ group_11.303.772371907  group_14.300.772371979  group_3.305.772367577 group_12.302.772371907  group_15.299.772371979  group_4.304.772367577 group_1.307.772367339   group_16.298.772371981 group_13.301.772371915  group_2.306.772367347 [oracle@server49 ~]$ ls /u01/app/oracle/oradata/ORCL/tempfile/ temp.285.772367353

参考文档：http://www.oracledba.org/10g/dr/10gR2_dataguard_RAC_to_RAC.html，感谢作者分享！

本文出自 “斩月” 博客，谢绝转载！