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ERA多群集支持SQL始终对

  • 2021年5月24日
  • 1回复
  • 67意见

我们将SQL始终作为企业部署的原因是为了运营和业务连续性原因,我们的SQL群集具有多站点的弹性。问题是,如果ERA在两个站点/群集之间传播,则不会登记SQL始终在对内的群集。从“ API First”解决方案中,我会有所期待!由于ERA缺乏支持,我无法引入风险并退回DR计划。NTX社区如何解决这个问题?


1回复

徽章 +2

您是在两个站点使用单个AG还是在分布式AG中使用两个AG?

另外,根据我的经验,如果您不使用它实际部署,那么ERA就不会提供很多东西。为了始终与ERA进行,我在ERA中进行了多个集群设置,以及一个多群集网络配置文件。然后,我部署了一个始终在线的DB,在屏幕上询问节点的屏幕上,更改它们所居住的群集,而DR节点为异步。然后部署。到那时,它将部署一个AG(这就是我上面询问的原因),分布在群集/站点上。我还注意到的一件事是,您必须在双方都具有相同的IP空间,否则默认情况下它不会工作。它将部署,但是当您尝试故障转移时,它将无法正常工作。要解决此问题,请将第二个IP添加到另一个网站的听众中。使用初级时,它将行不通,但是失败时,它将起作用。

我没有尝试注册现有的始终在SQL部署中,但是也许您需要在ERA上注册两个Nutanix群集,以注册分布在它们中的现有SQL部署。

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