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Stretch cluster with three seperate storage NAS devices

Matt Burgos 1 Reputation point
2020-10-05T19:56:28.797+00:00

I have configure Microsoft failover clustering as Stretch clustering. I have two sites in the stretch cluster, each site has two nodes and one shared storage. Thus far I have Storage replica enabled and failover is seemless.

I want to know if I can add a third site with two nodes and a third shared storage into the existing stretch cluster and have data replicate and failover without issue? Reading the guides it seems to not be however, I wanted to see someone has actually done this.

Windows Server Clustering
Windows Server Clustering
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Clustering: The grouping of multiple servers in a way that allows them to appear to be a single unit to client computers on a network. Clustering is a means of increasing network capacity, providing live backup in case one of the servers fails, and improving data security.
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  1. Xiaowei He 9,931 Reputation points
    2020-10-12T09:54:19.78+00:00

    Hi，

    Storage replication in Stretched cluster is one to one correspondence, cluster disk 1 in site 1 already configured SR to cluster disk 1 in site 2 is unable to configure SR to site 3 anymore. However, it might be possible if we have cluster disk 2 in site 1 configure SR to cluster disk 2 in site 3.

    Not like Hyper V replication that can stretch replication to the third one.

    Thanks for your time!
    Best Regards,
    Anne

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