The most outstanding performance of Oracle RAC clusters is high availability, which mainly includes load balance and failover. These technologies enable single point of failure (spof) to prevent normal access to the database by client applications,
The most outstanding performance of Oracle RAC clusters is high availability, which mainly includes load balance and failover. These technologies enable single point of failure (spof) to prevent normal access to the database by client applications,
How to fix the standby database after ORACLE 11G replica uard Failover, and restore uardfailoverProblem scenarios after failover:Due to the failover test, a standby database has been changed to the primary database. How can I change this new primary
Oracle RAC has both ha (high availiablity) and lb (loadbalance). And the basis of its highly available Failover (fail over) It means that the failure of any node in the cluster will not affect the user's use, the user connected to the failed node
Oracle RAC also has ha (high availiablity) and lb (loadbalance). And its high availability is based on failover (failover). It means that the failure of any node in the cluster will not affect the user's use, the user connected to the failed node
Oracle RAC also has HA (High Availiablity) and LB (LoadBalance), and its High availability is based onFailover (Failover)It means that the failure of any node in the cluster will not affect the user's use, and the user connected to the faulty node
Dataguard is an important solution officially recommended by Oracle for the MongoDB architecture. Currently, RAC + Local federation uard + Remote Federation uard has become a common HA architecture in the industry. Switchover and failover are the
The most outstanding performance of the OracleRAC cluster is high availability, which mainly includes loadbalance and failover. Through these technologies, spof does not affect the client.
The most outstanding performance of Oracle RAC clusters is
An oracle 11GR2 javasuard switchover failover article, hoping to help you.
1. switch: the user actively switches;2. failover: the master database fails and the switchover is forced;
Switchover, all physical and logical standby operations in the
Technical recommendations and programmes. 要求failover后不重建备库,并能够把failover的数据库重新切换回备库 主库为newtest,备库为snewtest备库上已经开启了闪回Get a reference to the SCNSQL> select current_scn from v$database;CURRENT_SCN----------- 4491930View the Flashback database feature
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