oracle dataguard

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我是靠谱客的博主欢喜大炮，最近开发中收集的这篇文章主要介绍oracle dataguard，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

主备：
修改/etc/hosts

192.168.77.136 liumh
192.168.77.137 liu

修改listener.ora
# listener.ora Network Configuration File: /u01/oracle/network/admin/listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST=
    (SID_DESC =
   (GLOBAL_DBNAME =orcldg)
   (SID_NAME =orcl)
)
(SID_LIST=
    (SID_DESC =
    (GLOBAL_DBNAME =orcl)
    (SID_NAME =orcl)
)
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = liumh)(PORT = 1521))
)
)

ADR_BASE_LISTENER = /u01

tnsnames.ora
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.77.136)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)

ORCLDG =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.77.137)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcldg)
)
)

主：
cat .bash_profile
PATH=$PATH:$HOME/bin

export PATH

ORACLE_BASE=/u01

ORACLE_HOME=$ORACLE_BASE/oracle

ORACLE_SID=orcl

PATH=$ORACLE_HOME/bin:$PATH:$HOME/bin

export ORACLE_BASE ORACLE_HOME ORACLE_SID PATH

生成密码文件：orapwd file=orapwvicdb password=oracle
编辑pfile文件 initorcl.ora

orcl.__db_cache_size=146800640
orcl.__java_pool_size=4194304
orcl.__large_pool_size=8388608
orcl.__oracle_base='/u01'#ORACLE_BASE set from environment
orcl.__pga_aggregate_target=142606336
orcl.__sga_target=268435456
orcl.__shared_io_pool_size=0
orcl.__shared_pool_size=100663296
orcl.__streams_pool_size=0
*.audit_file_dest='/u01/admin/orcl/adump'
*.audit_trail='db'
*.compatible='11.2.0.4.0'
*.control_files='/u01/oradata/orcl/control01.ctl','/u01/fast_recovery_area/orcl/control02.ctl'
*.db_block_size=8192
*.db_domain=''
*.db_name='orcl'
*.db_recovery_file_dest='/u01/fast_recovery_area'
*.db_recovery_file_dest_size=4385144832
*.diagnostic_dest='/u01'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)'
*.local_listener='LISTENER_ORCL'
*.log_archive_dest_1='location=/u01/app/oracle/archivelog'
*.memory_target=411041792
*.open_cursors=300
*.processes=150
*.remote_login_passwordfile='EXCLUSIVE'
*.undo_tablespace='UNDOTBS1'

*.db_unique_name='orcl'
*.log_archive_config='dg_config=(orcl,orcldg)'
*.log_archive_dest_1='location=/u01/app/oracle/archivelog valid_for=(all_logfiles,all_roles) db_unique_name=orcl'
*.log_archive_dest_2='service=orcldg lgwr sync affirm valid_for=(online_logfiles,primary_role) db_unique_name=orcldg'
*.log_archive_dest_state_1=enable
*.log_archive_dest_state_2=enable
*.log_archive_max_processes=10

*.db_file_name_convert='/u01/oradata/orcl', '/u01/oradata/orcl'
*.log_file_name_convert='/u01/oradata/orcl', '/u01/oradata/orcl'
*.fal_server=orcldg
*.fal_client=orcl
*.standby_file_management=auto

startup nomount pfile='/u01/oracle/dbs/initorcl.ora';
create spfile from pfile;
shutdown immediate;
startup;

scp 密码文件和pfile到备机
alter database add standby logfile group 7 '/u01/oradata/orcl/redo07.log' size 50M;
alter system switch logfile;

备：
cat .bash_profile
PATH=$PATH:$HOME/bin

export PATH
ORACLE_BASE=/u01

ORACLE_HOME=$ORACLE_BASE/oracle

ORACLE_SID=orcl

PATH=$ORACLE_HOME/bin:$PATH:$HOME/bin

export ORACLE_BASE ORACLE_HOME ORACLE_SID PATH

修改pfile文件 initorcl.ora
orcl.__db_cache_size=146800640
orcl.__java_pool_size=4194304
orcl.__large_pool_size=8388608
orcl.__oracle_base='/u01'#ORACLE_BASE set from environment
orcl.__pga_aggregate_target=142606336
orcl.__sga_target=268435456
orcl.__shared_io_pool_size=0
orcl.__shared_pool_size=100663296
orcl.__streams_pool_size=0
*.audit_file_dest='/u01/admin/orcl/adump'
*.audit_trail='db'
*.compatible='11.2.0.4.0'
*.control_files='/u01/oradata/orcl/control01.ctl','/u01/fast_recovery_area/orcl/control02.ctl'
*.db_block_size=8192
*.db_domain=''
*.db_name='orcl'
*.db_recovery_file_dest='/u01/fast_recovery_area'
*.db_recovery_file_dest_size=4385144832
*.diagnostic_dest='/u01'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)'
*.local_listener='LISTENER_ORCL'
*.log_archive_dest_1='location=/u01/app/oracle/archivelog'
*.memory_target=411041792
*.open_cursors=300
*.processes=150
*.remote_login_passwordfile='EXCLUSIVE'
*.undo_tablespace='UNDOTBS1'

*.db_unique_name='orcldg'
*.log_archive_config='dg_config=(orcl,orcldg)'
*.log_archive_dest_1='location=/u01/app/oracle/archivelog valid_for=(all_logfiles,all_roles) db_unique_name=orcl'
*.log_archive_dest_2='service=orcl lgwr sync affirm valid_for=(online_logfiles,primary_role) db_unique_name=orcl'
*.log_archive_dest_state_1=enable
*.log_archive_dest_state_2=enable
*.log_archive_max_processes=10

*.db_file_name_convert='/u01/oradata/orcl', '/u01/oradata/orcl'
*.log_file_name_convert='/u01/oradata/orcl', '/u01/oradata/orcl'
*.fal_server=orcldg
*.fal_client=orcl
*.standby_file_management=auto

startup nomount pfile='/u01/oracle/dbs/initorcl.ora';
create spfile from pfile;
主：
rman target sys/oracle auxiliary sys/oracle@orcldg

duplicate target database for standby from active database NOFILENAMECHECK;

备：

shutdown immediate;
startup;

select process,pid,client_process,thread#,sequence#,status from v$managed_standby;

select NAME ,VALUE from v$dataguard_stats;

alter database recover managed standby database cancel;

alter database recover managed standby database using current logfile disconnect;

select switchover_status from v$database;