正在安拆数据库集群软件(Serviceguard Extension for RAC)和操做系统集群软件(service guard)的时候,需要点窜HP unix的内核参数消息,所以那里消息比力主要。
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如果高可用性集群中某一个服务器出故障,那么集群软件就会将工作负载转移到idle备用数据库服务器。
If one of the servers in the high availability cluster fails, then the clustering software transfers the workload to the idle standby database server.
尽管软件可以使用很多工具和向导来组建服务器集群,但专家数据库管理员(DataBase Administrator, DBA)可以帮助处理各种意外问题。
Although many tools and wizards are available with the software to cluster servers, an expert database administrator (DBA) can help with unexpected problems.
同步方法要求数据库软件与专门化的 HA 软件紧密集成,以产生一个 HA 集群。
The synchronous method involves tight integration of the database software with specialized HA software to produce a HA cluster.
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