Yes, thanks to Then, I can give simple and reasy way to make it. Suppose hosts and IPs like that: 150.150.186.16 linux3 (primary)150.150.186.26 linux4 (secondary or standby) On primary node: (1) parameter:SQL> show parameter db_nameNAME TYPE VALUE---…
There are some sqls which is used for check the oracle database's health condition. ------numbers of process select count(*) process_num from v$process; select SESSIONS_MAX,SESSIONS_CURRENT,SESSIONS_HIGHWATER from v$license; --parameters: show parame…
Today, organizations stores information(data) in different database systems. Each database system has a set of applications that run against it. This data is just bits and bytes on a file system - and only a database can turn the bits and bytes of da…
环境说明 在亚马逊云AWS上面安装了一套oracle 19c dataguard,linux centos 7.7的操作系统,开始时同步正常,实时应用redolog,一会儿之后就不行了.报错如下: ora-03186: cannot start oracle adg recovery on a non-oracle cloud database on a server that is not a primary server 备库报警日志如下: 主库: select status,error f…