RAC+DG(asm單例項)
rac搭建參考 http://blog.itpub.net/70004783/viewspace-2792218/
DG(asm單例項)參考 http://blog.itpub.net/70004783/viewspace-2792705/
DG是都安裝完資料庫,後進asmcmd裡面將所有的資料檔案,redolog等都刪除,檔案資料夾刪除。
1、rac倆節點加dg節點hosts檔案
[root@rac1 ~]# cat /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 #public ip ent1 10.8.98.103 rac1 10.8.98.104 rac2 #priv ip ent2 192.168.1.103 rac1-priv 192.168.1.104 rac2-priv #vip ip 10.8.98.105 rac1-vip 10.8.98.106 rac2-vip #scan ip 10.8.98.107 cluster-scan #dg 10.8.98.102 racdg
2、RAC開啟歸檔,主機開啟force logging 模式
SQL> alter database archivelog; Database altered. SQL> alter database force logging;
alter system set db_unique_name='prod' scope=spfile; alter system set log_archive_config='DG_CONFIG=(prod,prodstd)' scope=both sid='*'; alter system set log_archive_dest_1='LOCATION=+ARCHDG01/ VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=prod' scope=both sid='*'; alter system set log_archive_dest_2='SERVICE=tns_standby LGWR ASYNC VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=prodstd' scope=both sid='*'; alter system set log_archive_format='%t_%s_%r.arc' scope=spfile sid='*'; alter system set log_archive_max_processes=8 scope=both sid='*'; alter system set db_file_name_convert='+DATADG01/','+DATADG01/','+DATADG02/','+DATADG02/' scope=spfile sid='*'; alter system set log_file_name_convert='+DATADG01/','+DATADG01/','+DATADG02/','+DATADG02/' scope=spfile sid='*';; alter system set standby_file_management=AUTO scope=both sid='*'; alter system set fal_server='tns_standby' scope=both sid='*'; alter system set fal_CLIENT='tns_primary' scope=both sid='*';
3、重新啟動資料庫, 檢查上述引數配置。
set linesize 500 pages 0 col value for a90 col name for a50 select name, value from v$parameter where name in ('db_name','db_unique_name','log_archive_config', 'log_archive_dest_1','log_archive_dest_2','log_archive_dest_state_1','log_archive_dest_state_2','remote_login_passwordfile','log_archive_format','log_archive_max_processes','fal_server','db_file_name_convert', 'log_file_name_convert', 'standby_file_management');
4、查詢主庫日誌檔案,並新增standby log
SQL> select thread#,group#,members,bytes/1024/1024 from v$log; 1 1 2 50 1 2 2 50 2 3 2 50 2 4 2 50 1 5 2 50 2 6 2 50
alter database add standby logfile thread 1 group 21 size 50m; alter database add standby logfile thread 1 group 22 size 50m; alter database add standby logfile thread 1 group 23 size 50m; alter database add standby logfile thread 2 group 24 size 50m; alter database add standby logfile thread 2 group 25 size 50m; alter database add standby logfile thread 2 group 26 size 50m;
5、rac端更改lisenter.ora,tnsnames.ora(倆節點)lisenter需要重新reload一下
節點1
[grid@rac1:/home/grid]$cat /u01/app/11.2.0/grid/network/admin/listener.ora SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (GLOBAL_DBNAME = prod) (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1) (SID_NAME = prod1)) ) LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER)))) # line added by Agent LISTENER_SCAN1=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1)))) # line added by Agent ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN1=ON # line added by Agent ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER=ON # line added by Agent [grid@rac1:/home/grid]$
節點2
[grid@rac2:/home/grid]$cat /u01/app/11.2.0/grid/network/admin/listener.ora SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (GLOBAL_DBNAME = prod) (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1) (SID_NAME = prod2)) ) LISTENER_SCAN1=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1)))) # line added by Agent LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER)))) # line added by Agent ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER=ON # line added by Agent ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN1=ON # line added by Agent
節點1和2
[oracle@rac1:/u01/app/oracle/product/11.2.0/db_1/network/admin]$cat tnsnames.ora # tnsnames.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/tnsnames.ora # Generated by Oracle configuration tools. PROD = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = cluster-scan)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = prod) ) ) tns_primary = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.8.98.107)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = prod) ) ) tns_standby = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.8.98.102)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = prod) ) )
6、 透過asmcmd,將dg上面的原來的資料檔案,控制檔案,日誌檔案都清空,,刪除原來系統上的pfile和密碼檔案
7、rac透過spfile建立pfile,傳到dg,修改必要引數
[oracle@rac1:/home/oracle]$sqlplus / as sysdba SQL*Plus: Release 11.2.0.4.0 Production on Thu Sep 23 15:23:12 2021 Copyright (c) 1982, 2013, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP, Data Mining and Real Application Testing options SQL> create pfile='/home/oracle/initproddg.ora' from spfile; File created. SQL>
修改後為
[oracle@racdg:/u01/app/oracle/product/11.2.0/db_1/dbs]$cat initproddg.ora *.audit_file_dest='/u01/app/oracle/admin/prod/adump' *.audit_trail='db' #*.cluster_database=true *.compatible='11.2.0.4.0' #*.control_files='+DATADG01/prod/controlfile/current.260.1083328405','+DATADG02/prod/controlfile/current.256.1083328405' *.db_block_size=8192 *.db_create_file_dest='+DATADG01' *.db_create_online_log_dest_1='+DATADG01' *.db_create_online_log_dest_2='+DATADG02' *.db_domain='' *.db_file_name_convert='+DATADG01/','+DATADG01/','+DATADG02/','+DATADG02/' *.db_name='prod' *.db_recovery_file_dest='+ARCHDG01' *.db_recovery_file_dest_size=4621074432 *.db_unique_name='prodstd' *.diagnostic_dest='/u01/app/oracle' *.dispatchers='(PROTOCOL=TCP) (SERVICE=prodXDB)' *.fal_client='tns_standby' *.fal_server='tns_primary' *.log_archive_config='DG_CONFIG=(prod,prodstd)' *.log_archive_dest_1='LOCATION=+ARCHDG01/ VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=prodstd' *.log_archive_dest_2='SERVICE=tns_primary LGWR ASYNC VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=prod' *.log_archive_format='%t_%s_%r.arc' *.log_archive_max_processes=8 *.log_file_name_convert='+DATADG01/','+DATADG01/','+DATADG02/','+DATADG02/' *.memory_target=3922722816 *.open_cursors=300 *.processes=1000 #*.remote_listener='cluster-scan:1521' *.remote_login_passwordfile='exclusive' *.sessions=1105 *.standby_file_management='AUTO' [oracle@racdg:/u01/app/oracle/product/11.2.0/db_1/dbs]$
修改dg端 lisenter.ora,tnsnames.ora
[grid@racdg:/u01/app/11.2.0/grid/network/admin]$lsnrctl reload LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 23-SEP-2021 15:31:31 Copyright (c) 1991, 2013, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521))) The command completed successfully [grid@racdg:/u01/app/11.2.0/grid/network/admin]$cat listener.ora # listener.ora Network Configuration File: /u01/app/11.2.0/grid/network/admin/listener.ora # Generated by Oracle configuration tools. SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (GLOBAL_DBNAME = prod) (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1) (SID_NAME = proddg)) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = racdg)(PORT = 1521)) ) ) ADR_BASE_LISTENER = /u01/app/grid ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER=ON # line added by Agent [grid@racdg:/u01/app/11.2.0/grid/network/admin]$
[oracle@racdg:/u01/app/oracle/product/11.2.0/db_1/network/admin]$cat tnsnames.ora # tnsnames.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/tnsnames.ora # Generated by Oracle configuration tools. PROD = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = racdg)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = prod) ) ) tns_primary = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.8.98.107)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = prod) ) ) tns_standby = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.8.98.102)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = prod) ) ) [oracle@racdg:/u01/app/oracle/product/11.2.0/db_1/network/admin]$
複製密碼檔案到dg端
[oracle@rac1:/u01/app/oracle/product/11.2.0/db_1/dbs]$scp orapwprod1 racdg:/u01/app/oracle/product/11.2.0/db_1/dbs/orapwproddg
8、測試tnsping ok,rac資料庫都是開啟狀態,備機開啟到nomount狀態。
9. 實施資料庫克隆透過rman duplicate (在備機操作) 恢復時關閉rac的第二個節點,恢復完開啟即可
參照 http://blog.itpub.net/70004783/viewspace-2788445/
10、測試在rac1 和rac2各建立一個表空間,到dg檢視。
來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/70004783/viewspace-2793250/,如需轉載,請註明出處,否則將追究法律責任。
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