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oracle19c cdb rac to rac adg
部署方案
基础环境信息:
主备库:
密码 sys/system 所有初始化密码为:oracle
oracle 版本
oracle19.5.0.0.0
操作系统 centos7.6x64 最小化安装
最低配置建议
cpu 2c mem 8g swap 8g
/ 50G
3 个 1G 共享磁盘 asm-crs1/2/3
3 个 10G 共享磁盘 asm-data1-3(不安装 mgmt,如果安装则需要
再加单独 50G 盘)
/etc/hosts
/etc/hosts 内容:
127.0.0.1 localhost localhost.localdomain localhost4
localhost4.localdomain4
::1 localhost localhost.localdomain localhost6
localhost6.localdomain6
####orcl#####
#public
192.168.52.150 rac1
192.168.52.151 rac2
#vip
192.168.52.152 rac1-vip
192.168.52.153 rac2-vip
#priv
192.168.161.150 rac1-priv
192.168.161.151 rac2-priv
#scan
192.168.52.154 rac-scan
####dgorcl#####
#public
192.168.52.160 dgrac1
192.168.52.161 dgrac2
#vip
192.168.52.162 dgrac1-vip
192.168.52.163 dgrac2-vip
#priv
192.168.161.160 dgrac1-priv

192.168.161.161 dgrac2-priv
#scan
192.168.52.164 dgrac-scan
主库:
节点 1 节点 2
主机名
rac1 rac2
public ip 192.168.52.150 192.168.52.151
private ip 192.168.161.150 192.168.161.151
vip 192.168.52.152 192.168.52.153
scan-ip
192.168.161.154
数据库名
db_name orcl
db_unique_name orcl
SQL> show pdbs;
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
4 PDBORCL READ WRITE NO
备库:
节点
1
节点
2
主机名
dgrac1
dgrac2
public ip
192.168.52.160
192.168.52.161
private ip
192.168.161.162
192.168.161.163
vip
192.168.52.160
192.168.52.161
scan-ip 192.168.161.164
数据库名
db_name orcl
db_unique_name dgorcl
1.
主库:生成参数
SQL> create pfile='/home/oracle/o.txt' from spfile;
File created.
SQL> !cat /home/oracle/o.txt
orcl2.__data_transfer_cache_size=0
orcl1.__data_transfer_cache_size=0
orcl1.__db_cache_size=1644167168
orcl2.__db_cache_size=1677721600
orcl2.__inmemory_ext_roarea=0
orcl1.__inmemory_ext_roarea=0
orcl2.__inmemory_ext_rwarea=0

orcl1.__inmemory_ext_rwarea=0
orcl2.__java_pool_size=0
orcl1.__java_pool_size=0
orcl2.__large_pool_size=16777216
orcl1.__large_pool_size=16777216
orcl1.__oracle_base='/oracle/app/oracle'#ORACLE_BASE set from environment
orcl2.__oracle_base='/oracle/app/oracle'#ORACLE_BASE set from environment
orcl2.__pga_aggregate_target=822083584
orcl1.__pga_aggregate_target=822083584
orcl2.__sga_target=2466250752
orcl1.__sga_target=2466250752
orcl2.__shared_io_pool_size=117440512
orcl1.__shared_io_pool_size=117440512
orcl1.__shared_pool_size=671088640
orcl2.__shared_pool_size=637534208
orcl2.__streams_pool_size=0
orcl1.__streams_pool_size=0
orcl2.__unified_pga_pool_size=0
orcl1.__unified_pga_pool_size=0
*.adg_redirect_dml=TRUE
*.audit_file_dest='/oracle/app/oracle/admin/orcl/adump'
*.audit_trail='none'
*.cluster_database=true
*.compatible='19.0.0'
*.control_files='+DATA/ORCL/CONTROLFILE/current.265.1026902749'
*.db_block_size=8192
*.db_create_file_dest='+DATA'
*.db_name='orcl'
*.db_recovery_file_dest_size=10737418240
*.db_recovery_file_dest='+DATA'
*.db_unique_name='orcl'
*.dg_broker_config_file1='+DATA/orcl/dr3orcl.dat'
*.dg_broker_config_file2='+DATA/orcl/dr4orcl.dat'
*.dg_broker_start=TRUE
*.diagnostic_dest='/oracle/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)'
*.enable_pluggable_database=true
*.fal_server=''
family:dw_helper.instance_mode='read-only'
orcl1.instance_number=1
orcl2.instance_number=2
*.local_listener='-oraagent-dummy-'
*.log_archive_config='nodg_config'
*.log_archive_dest_1='location=+DATA'

*.log_archive_dest_2=''
*.log_archive_dest_state_2='ENABLE'
*.nls_language='AMERICAN'
*.nls_territory='AMERICA'
*.open_cursors=300
*.pga_aggregate_target=780m
*.processes=320
*.remote_login_passwordfile='exclusive'
*.resource_manager_plan='DEFAULT_CDB_PLAN'
*.sga_target=2340m
*.standby_file_management='AUTO'
orcl2.thread=2
orcl1.thread=1
*.undo_tablespace='UNDOTBS1'
orcl2.undo_tablespace='UNDOTBS2'
orcl1.undo_tablespace='UNDOTBS1'
*.log_file_name_convert='+DATA','+DATA'
*.db_file_name_convert='+DATA','+DATA'
参数当中
2.
备库:准备参数:
两个节点 oracle 用户执行:mkdir -p /oracle/app/oracle/admin/dgorcl/adump
*.adg_redirect_dml=TRUE
*.audit_file_dest='/oracle/app/oracle/admin/dgorcl/adump'
*.audit_trail='none'
*.cluster_database=true
*.compatible='19.0.0'
*.control_files='+DATA/ORCL/CONTROLFILE/current.265.1026902749'#这个文件在恢复后会被
自动替换掉,所以不用管
*.db_block_size=8192
*.db_create_file_dest='+DATA'
*.db_name='orcl'
*.db_recovery_file_dest_size=10737418240
*.db_recovery_file_dest='+DATA'
*.db_unique_name='dgorcl'
*.diagnostic_dest='/oracle/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)'
*.enable_pluggable_database=true
*.fal_server=''
family:dw_helper.instance_mode='read-only'

orcl1.instance_number=1
orcl2.instance_number=2
*.local_listener='-oraagent-dummy-'
*.log_archive_config='nodg_config'
*.log_archive_dest_1='location=+DATA'
*.log_archive_dest_2=''
*.log_archive_dest_state_2='ENABLE'
*.nls_language='AMERICAN'
*.nls_territory='AMERICA'
*.open_cursors=300
*.pga_aggregate_target=780m
*.processes=320
*.remote_login_passwordfile='exclusive'
*.resource_manager_plan='DEFAULT_CDB_PLAN'
*.sga_target=2340m
*.standby_file_management='AUTO'
orcl2.thread=2
orcl1.thread=1
orcl2.undo_tablespace='UNDOTBS2'
orcl1.undo_tablespace='UNDOTBS1'
*.log_file_name_convert='+DATA','+DATA'
*.db_file_name_convert='+DATA','+DATA'
3.
备库:启动
nomount
状态
[oracle@dgrac1 ~]$ sqlplus /nolog
SQL*Plus: Release 19.0.0.0.0 - Production on Fri Mar 6 11:22:31 2020
Version 19.5.0.0.0
Copyright (c) 1982, 2019, Oracle. All rights reserved.
SQL> conn /as sysdba
Connected to an idle instance.
SQL> startup nomount pfile='/home/oracle/adg.txt';
ORACLE instance started.
Total System Global Area 2466250400 bytes
Fixed Size 9137824 bytes
Variable Size 603979776 bytes
Database Buffers 1845493760 bytes
Redo Buffers 7639040 bytes
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