Oracle 18c使用dbca创建级联DG

Oracle 18c使用dbca创建级联DG

更多参考： http://blog.itpub.net/26736162/viewspace-2656076/

--------配置tns
CDBLHR18cdg2 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.59.130)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = CDBLHR18cdg2)
    )
  )  

--------配置监听
 
    (SID_DESC =
      (GLOBAL_DBNAME = CDBLHR18cdg2)
      (ORACLE_HOME = /u08/app/oracle/product/18.0.0/dbhome_1)
      (SID_NAME = CDBLHR18cdg2)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = CDBLHR18cdg2_DGMGRL)
      (ORACLE_HOME = /u08/app/oracle/product/18.0.0/dbhome_1)
      (SID_NAME = CDBLHR18cdg2)
    )


  
--搭建过程是：备库和第2备库的操作
dbca -silent -createDuplicateDB \
-gdbName CDBLHR18cdg2 \
-sid CDBLHR18cdg2 \
-sysPassword lhr \
-primaryDBConnectionString 192.168.59.130:1521/CDBLHR18cdg \
-nodelist rhel6lhr \
-databaseConfigType SINGLE \
-createAsStandby -dbUniqueName CDBLHR18cdg2 \
-datafileDestination '/u01/app/oracle/oradata/CDBLHR18cdg2/' \
-initParams db_create_file_dest=/u01/app/oracle/oradata/CDBLHR18cdg2/,db_create_online_log_dest_1=/u01/app/oracle/oradata/CDBLHR18cdg2/,sga_target=800M,memory_max_target=0,memory_target=0



---全参数 rac环境
set line 1000
set pagesize 1000
col name format a25
col VALUE format a100
SELECT a.NAME,
       i.instance_name,
       a.VALUE
FROM   gv$parameter a, gv$instance i
WHERE  a.inst_id = i.inst_id and a.name in ('dg_broker_start','db_name','db_unique_name','log_archive_config','log_archive_dest_1','log_archive_dest_2','log_archive_dest_3','log_archive_dest_state_1','log_archive_dest_state_2','log_archive_dest_state_3','log_archive_max_processes','remote_login_passwordfile','db_file_name_convert','log_file_name_convert','standby_file_management','fal_server','fal_client','dg_broker_config_file1','dg_broker_config_file2')
ORDER BY a.name, i.instance_name;



--主库修改参数
Alter system set LOG_ARCHIVE_CONFIG='DG_CONFIG=(CDBLHR18c,CDBLHR18cdg,CDBLHR18cdg2)';
alter system set LOG_ARCHIVE_DEST_3= 'SERVICE=CDBLHR18cdg2 VALID_FOR=(STANDBY_LOGFILES,STANDBY_ROLE) DB_UNIQUE_NAME=CDBLHR18cdg2';

--一级备库修改参数
alter system set log_archive_config='dg_config=(CDBLHR18c,CDBLHR18cdg,CDBLHR18cdg2)';
alter system set LOG_ARCHIVE_DEST_3= 'SERVICE=CDBLHR18cdg2 VALID_FOR=(STANDBY_LOGFILES,STANDBY_ROLE) DB_UNIQUE_NAME=CDBLHR18cdg2';

-- 二级备库修改参数
alter system set log_archive_config='dg_config=(CDBLHR18c,CDBLHR18cdg,CDBLHR18cdg2)';
alter system set LOG_ARCHIVE_DEST_1='LOCATION=USE_DB_RECOVERY_FILE_DEST  VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=CDBLHR18cdg2';

alter system set db_file_name_convert='/u01/app/oracle/oradata/CDBLHR18cdg/','/u01/app/oracle/oradata/CDBLHR18cdg2/' scope=spfile;
alter system set log_file_name_convert='/u01/app/oracle/oradata/CDBLHR18cdg/','/u01/app/oracle/oradata/CDBLHR18cdg2/' scope=spfile;

alter system set fal_client='CDBLHR18cdg2'; 
alter system set fal_server='CDBLHR18cdg';

  
shutdown immediate
startup
alter system register;
  
  
--备库查询实时应用
alter database recover managed standby database cancel;
ALTER DATABASE flashback on;
alter database recover managed standby database using current logfile disconnect;
! ps -ef|grep ora_mrp
  
  
COL NAME FOR A100
SET LINESIZE 9999  PAGESIZE 9999
COL NEXT_CHANGE# FOR 999999999999999
SELECT THREAD#, NAME, SEQUENCE#, ARCHIVED, APPLIED, A.NEXT_CHANGE#
  FROM V$ARCHIVED_LOG A
 WHERE A.SEQUENCE# >= (SELECT MAX(B.SEQUENCE#) - 3
                         FROM V$ARCHIVED_LOG B
                        WHERE B.THREAD# = A.THREAD#
                          AND B.RESETLOGS_CHANGE# = A.RESETLOGS_CHANGE#
                          AND B.RESETLOGS_CHANGE# =
                              (SELECT D.RESETLOGS_CHANGE# FROM V$DATABASE D)
                          AND B.APPLIED = 'YES'  
			  AND B.DEST_ID=A.DEST_ID
                          GROUP BY B.THREAD#)       
  AND A.STANDBY_DEST='NO'
 ORDER BY A.THREAD#, A.SEQUENCE#;


alter system set dg_broker_start=true sid='*';





dgmgrl sys/lhr@CDBLHR18cdg
show configuration


add database CDBLHR18cdg2 as
connect identifier is CDBLHR18cdg2;


show database verbose CDBLHR18c;
show database verbose CDBLHR18cdg;
show database verbose CDBLHR18cdg2;


alter database recover managed standby database cancel;


--必须配置主库
edit database cdblhr18c set property  RedoRoutes    ='(cdblhr18cdg:cdblhr18cdg2 ASYNC)';


enable database CDBLHR18cdg2


edit database CDBLHR18cdg2 set property  StaticConnectIdentifier    ='(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.59.130)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=CDBLHR18cdg2)(INSTANCE_NAME=CDBLHR18cdg2)(SERVER=DEDICATED)))';

配置完结果：

1

2

3

4

5

6

7

8

9

10

11

DGMGRL> show configuration

Configuration - cdblhr18c

  Protection Mode: MaxPerformance

  Members:

  cdblhr18c    - Primary database

    cdblhr18cdg  - Physical standby database 

    cdblhr18cdg2 - Physical standby database 

Fast-Start Failover: DISABLED

Configuration Status:

SUCCESS   (status updated 49 seconds ago)

DGMGRL>

About Me

........................................................................................................................

● 本文作者：小麦苗，部分内容整理自网络，若有侵权请联系小麦苗删除

● 本文在itpub、博客园、CSDN和个人微 信公众号（ xiaomaimiaolhr）上有同步更新

● 本文itpub地址： http://blog.itpub.net/26736162

● 本文博客园地址： http://www.cnblogs.com/lhrbest

● 本文CSDN地址： https://blog.csdn.net/lihuarongaini

● 本文pdf版、个人简介及小麦苗云盘地址： http://blog.itpub.net/26736162/viewspace-1624453/

● 数据库笔试面试题库及解答： http://blog.itpub.net/26736162/viewspace-2134706/

● DBA宝典今日头条号地址： http://www.toutiao.com/c/user/6401772890/#mid=1564638659405826

........................................................................................................................

● QQ群号： 230161599 、618766405

● 微 信群：可加我微 信，我拉大家进群，非诚勿扰

● 联系我请加QQ好友 （ 646634621 ），注明添加缘由

● 于 2019-09-01 06:00 ~ 2019-09-31 24:00 在西安完成

● 最新修改时间：2019-09-01 06:00 ~ 2019-09-31 24:00

● 文章内容来源于小麦苗的学习笔记，部分整理自网络，若有侵权或不当之处还请谅解

● 版权所有，欢迎分享本文，转载请保留出处

........................................................................................................................

● 小麦苗的微店： https://weidian.com/s/793741433?wfr=c&ifr=shopdetail

● 小麦苗出版的数据库类丛书： http://blog.itpub.net/26736162/viewspace-2142121/

● 小麦苗OCP、OCM、高可用网络班： http://blog.itpub.net/26736162/viewspace-2148098/

● 小麦苗腾讯课堂主页： https://lhr.ke.qq.com/

........................................................................................................................

使用 微 信客户端扫描下面的二维码来关注小麦苗的微 信公众号（ xiaomaimiaolhr）及QQ群（DBA宝典）、添加小麦苗微 信， 学习最实用的数据库技术。

........................................................................................................................