Broker keeps its configuration details in flat file. The files are stored at each database nodes in the Data Guard configuration.Additionally two copies of the configuration files are always stored on each data
After configuring OS-level settings now we need to configure database level parameters to configure the oracle 19c data guard. Start 19c Data Guard Configuration Action on Primary Server Step1: Make sure the primary database running in archive log mode. Check Archive mode using the below querie...
SQL> alter database recover managed standby database using current logfile disconnect; 1. 1.3.3 主备库角色验证 分别在主备库上,执行下面的SQL进行验证: --主库 SQL> select database_role,switchover_status from v$database; 1. 2. --备库 SQL> select database_role,switchover_status from v$data...
,dataguard_broker ,guard_status from v$database; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 检查主库下SWITCHOVER_STATUS字段,如果值为"SESSION ACTIVE"或者"TO STANDBY", 则主数据库角色可以切换为备库角色。关于SWITCHOVER_STATUS字段的各个取值如下所示: 检查...
这篇文章总结Oracle 18c/19c Physical Standby DG的主备切换的操作流程,主要参考官方文档18c & 19c Physical Standby Switchover Best Practices using SQL*Plus (Doc ID 2485237.1)[1]. 由于参考官方的最佳实践,所以有些步骤/过程略显繁琐。其实正常情况下,这里面的很多步骤都可以略过。但是不妨我们从更严谨的态...
MDS 9132T Switch Configuration Cisco Nexus 9336C-FX2 Switch Configuration Multipath Configuration “/etc/multipath.conf” Configuration of “/etc/sysctl.conf” Configuration of “/etc/security/limits.d/oracle-database-preinstall-19c.conf” Configuration of “/etc/udev/rules.d/71-nvme-iopolicy-neta...
在standby实例启动的时候,我们只是设置了db_name参数。其他Data Guard相关的参数,是需要在RMAN执行过程中进行配置的。在过去的版本中,这些参数是需要手工设置的。 准备脚本程序: run { duplicate target database for standby from active database spfile
Description: In this article we are going to see Step by Step Configuration of Oracle Cascading Standby Database 11.2.0.4 in RHEL-6.8. To reduce the load on your primary system, you can implement cascaded destinations, where by a standby database receive
“Oracle Database product management has confirmed that when Oracle Database 23c ships, it will be certified for both OL8 and OL9. Also, Oracle Database 19c will be certified on OL9 before end of 2023.” That’s really good news, as it gives us more options when we move forward. ...
36 PM UTC *** Step 10: Enable Active Data Guard (Standby site) Description: DG Config service creation for db test_db - EnableActivedg Job ID: 3117c046-2d71-453d-9950-c85bed19f5f2 Started December 08, 2020 21:12:38 PM UTC Started Open standby db Restart standby db Finished ...