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Oracle 19c rac+adg.pdf

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2019-08-21

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Oracle 19c rac+adg

rac

1rac

[oracle@rac1:/home/oracle]$sqlplus / as sysdba

SQL> startup mount;

SQL> alter system set log_archive_dest_1='location=+arch' scope=spfile;

System altered.

SQL> alter database archivelog;

Database altered.

Primary Standb y

DB Version 19.3.0 19.3.0

HOST IP

192.168.189.211 rac1

192.168.189.212 rac2

192.168.189.209 std

SCAN IP 192.168.189.215 rac-scan

DB_NAME orcl orcl

DB_UNIQUE_NAME orcl std

Instance_Name orcl std

ArchiveFile +data /u01/arch/

DB Storage ASM FileSystem

ASM for DB files +DATA/ORCL/DATAFILE/ /u01/app/oracle/oradata/std/datafile/

ASM for LOG files +DATA/orcl/onlinelog /u01/app/oracle/oradata/orcl/onlinelog

ASM for TEMP files +DATA/orcl/tempfile/ /u01/app/oracle/oradata/std/tempfile/

ORACLE_HOME /u01/app/oracle/product/19.3.0/db_1/ /u01/app/oracle/product/19.3.0/db_1/

OS Red Hat Enterprise Linux Server 7.4 CentOS 7.6

SQL> alter database force logging;

Database altered.



SQL> alter database open;

2󰉈dataguard

force logging󰈱󰀉

alter database force logging;

alter system set LOG_ARCHIVE_CONFIG='DG_CONFIG=(orcl,std)' scope=both sid='*';

alter system set log_archive_dest_1='LOCATION=+arch VALID_FOR=

(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=orcl' scope=spfile;

alter system set LOG_ARCHIVE_DEST_2='SERVICE=std LGWR ASYNC VALID_FOR=

(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=std' scope=both sid='*';

alter system set fal_client='orcl' scope=both sid='*';

alter system set FAL_SERVER='std' scope=both sid='*';

alter system set standby_file_management=AUTO scope=both sid='*';

alter system set

DB_FILE_NAME_CONVERT='/u01/app/oracle/oradata/orcl/datafile','+DATA/orcl/datafile','/

u01/app/oracle/oradata/orcl/tempfile','+DATA/orcl/tempfile' scope=spfile sid='*';

alter system set

LOG_FILE_NAME_CONVERT='/u01/app/oracle/oradata/orcl/onlinelog','+DATA/orcl/onlinelog'

scope=spfile sid='*';

alter system set log_archive_format='%t_%s_%r.arc' scope=spfile sid='*';

alter system set remote_login_passwordfile='EXCLUSIVE' scope=spfile;

alter system set PARALLEL_EXECUTION_MESSAGE_SIZE=8192 scope=spfile;

󰌀

3srl

SQL> select bytes/1024/1024 mb from v$log;

----------

300

standby

2logfileslr󰑲󰁞thread

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