【DG】Oracle 19c使用dbca来搭建物理DG |
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【DG】Oracle 19c使用dbca来搭建物理DG--主rac备rac
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小麦苗DB宝 2021-04-15 09:17:02 ©著作权 文章标签 Oracle 19c 文章分类 Oracle 数据库 ©著作权归作者所有：来自51CTO博客作者小麦苗DB宝的原创作品，请联系作者获取转载授权，否则将追究法律责任【DG】Oracle 19c使用dbca来搭建物理DG--主rac备rac 【DG】Oracle 19c使用dbca来搭建物理DG（单实例）参考： http://blog.itpub.net/26736162/viewspace-2638038/以下内容为主库是rac，备库也是rac类型，通过dbca的方式来搭建物理DG： SELECT CDB FROM V$DATABASE; alter database archivelog; alter database force logging; alter database flashback on; alter database open; alter pluggable database all open; alter pluggable database all save state; select thread#,group#,bytes/1024/1024 SIZE_MB, status,members from v$log; select thread#,group#,member from v$logfile; set line 9999 pagesize 9999 col db_id format a15 col GROUP# format 99999 select (select instance_name from gv$instance na where na.inst_id=a.INST_ID) instance_name, GROUP#, DBID db_id, THREAD#, SEQUENCE#, BYTES, USED, ARCHIVED, STATUS, FIRST_CHANGE#, NEXT_CHANGE#,LAST_CHANGE# from gv$standby_log a order by INST_ID,THREAD#,GROUP#; alter database add standby logfile thread 1 group 5 ('+DATA','+FRA') size 200M ,group 6 ('+DATA','+FRA') size 200M ,group 7 ('+DATA','+FRA') size 200M ; alter database add standby logfile thread 2 group 8 ('+DATA','+FRA') size 200M ,group 9 ('+DATA','+FRA') size 200M ,group 10 ('+DATA','+FRA') size 200M ; --------配置tns tns_rac19c = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.59.54)(PORT = 1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.59.55)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = rac19c) ) ) tns_rac19cdg = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.59.54)(PORT = 1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.59.55)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = rac19cdg) ) ) --------配置监听 SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (GLOBAL_DBNAME = rac19c) (ORACLE_HOME = /u01/app/oracle/product/19.3.0/dbhome_1) (SID_NAME = rac19c1) ) (SID_DESC = (GLOBAL_DBNAME = rac19cdg) (ORACLE_HOME = /u01/app/oracle/product/19.3.0/dbhome_1) (SID_NAME = rac19cdg1) ) (SID_DESC = (GLOBAL_DBNAME = rac19c_DGMGRL) (ORACLE_HOME = /u01/app/oracle/product/19.3.0/dbhome_1) (SID_NAME = rac19c1) ) (SID_DESC = (GLOBAL_DBNAME = rac19cdg_DGMGRL) (ORACLE_HOME = /u01/app/oracle/product/19.3.0/dbhome_1) (SID_NAME = rac19cdg1) ) ) SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (GLOBAL_DBNAME = rac19c) (ORACLE_HOME = /u01/app/oracle/product/19.3.0/dbhome_1) (SID_NAME = rac19c2) ) (SID_DESC = (GLOBAL_DBNAME = rac19cdg) (ORACLE_HOME = /u01/app/oracle/product/19.3.0/dbhome_1) (SID_NAME = rac19cdg2) ) (SID_DESC = (GLOBAL_DBNAME = rac19c_DGMGRL) (ORACLE_HOME = /u01/app/oracle/product/19.3.0/dbhome_1) (SID_NAME = rac19c2) ) (SID_DESC = (GLOBAL_DBNAME = rac19cdg_DGMGRL) (ORACLE_HOME = /u01/app/oracle/product/19.3.0/dbhome_1) (SID_NAME = rac19cdg2) ) ) srvctl stop listener -l LISTENER srvctl start listener -l LISTENER dbca -silent -createDuplicateDB \ -gdbName rac19c \ -sid rac19cdg \ -sysPassword lhr \ -primaryDBConnectionString 192.168.59.54:1521/rac19c \ -nodelist raclhr-19c-n1,raclhr-19c-n2 \ -adminManaged \ -databaseConfigType RAC \ -createAsStandby -dbUniqueName rac19cdg \ -datafileDestination '+DATA' \ -initParams db_create_file_dest=+DATA, db_create_online_log_dest_1=+DATA ---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_state_1','log_archive_dest_state_2','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_DEST_1='LOCATION=USE_DB_RECOVERY_FILE_DEST VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=rac19c' sid='*'; alter system set LOG_ARCHIVE_DEST_2='service=tns_rac19cdg VALID_FOR=(online_logfiles,primary_role) DB_UNIQUE_NAME=rac19cdg' sid='*'; alter system set log_archive_config='dg_config=(rac19c,rac19cdg)' sid='*'; alter system set db_file_name_convert='+DATA','+DATA' scope=spfile sid='*'; alter system set log_file_name_convert='+DATA','+DATA' scope=spfile sid='*'; alter system set standby_file_management=auto scope=spfile sid='*'; alter system set fal_client='tns_rac19c' sid='*'; alter system set fal_server='tns_rac19cdg' sid='*'; ---创建路径 ASMCMD> mkdir +DATA/dgshare/ --主库 show parameter dg alter system set dg_broker_config_file1='+DATA/dgshare/dr1rac19c.dat' SID='*'; alter system set dg_broker_config_file2='+DATA/dgshare/dr2rac19c.dat' SID='*'; alter system set dg_broker_start=true sid='*'; --备库 show parameter dg alter system set dg_broker_config_file1='+DATA/dgshare/dr1rac19cDG.dat' SID='*'; alter system set dg_broker_config_file2='+DATA/dgshare/dr2rac19cDG.dat' SID='*'; alter system set dg_broker_start=true sid='*'; --备库修改参数 alter system set LOG_ARCHIVE_DEST_1='LOCATION=USE_DB_RECOVERY_FILE_DEST VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=rac19cdg' scope=spfile sid='*'; alter system set log_archive_config='dg_config=(rac19c,rac19cdg)'; alter system set db_file_name_convert='+DATA','+DATA' scope=spfile sid='*'; alter system set log_file_name_convert='+DATA','+DATA' scope=spfile sid='*'; alter system set standby_file_management=auto scope=spfile sid='*'; alter system set fal_client='tns_rac19cdg' sid='*'; alter system set fal_server='tns_rac19c' sid='*'; srvctl stop db -d rac19c srvctl start db -d rac19c srvctl stop db -d rac19cdg srvctl start db -d rac19cdg --备库查询实时应用 alter database recover managed standby database cancel; alter database recover managed standby database using current logfile disconnect; ! ps -ef|grep ora_mrp select INST_ID, dbid,name,DB_UNIQUE_NAME,current_scn,protection_mode,database_role,force_logging,open_mode,switchover_status from gv$database; 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$DATABASE D) AND B.APPLIED = 'YES' GROUP BY B.THREAD#) ORDER BY A.THREAD#, A.SEQUENCE#; cp /u01/app/oracle/product/19.3.0/dbhome_1/network/admin/tnsnames.ora /u01/app/19.3.0/grid/network/admin/tnsnames.ora chown grid.oinstall /u01/app/19.3.0/grid/network/admin/tnsnames.ora dgmgrl sys/lhr@rac19c show configuration create configuration rac19c as primary database is rac19c connect identifier is tns_rac19c; add database rac19cdg as connect identifier is tns_rac19cdg maintained as physical; enable configuration show database verbose rac19c; show database verbose rac19cdg; alter database recover managed standby database cancel; alter database flashback on; select flashback_on,force_logging from v$database; alter database recover managed standby database using current logfile disconnect; edit database rac19c set property 'FastStartFailoverTarget'='rac19cdg'; edit database rac19cdg set property 'FastStartFailoverTarget'='rac19c';打赏 赞 收藏 评论 分享 举报 上一篇：Oracle 19c rac的搭建 下一篇：Oracle 11g 新特性：只读表（Read-only） |
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