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pazzoide76's avatar
pazzoide76
Iron Contributor
Feb 01, 2024
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Switch from Always On on the same subnet to a multisubnet cluster

HI, I have a question to ask you. I currently have a sql 2019 Always on cluster consisting of two nodes in the same subnet. Now, since we have taken some VMs in the cloud, we will want to see if i...
  • Harrum_Fatima's avatar
    Mar 04, 2024
    Prepare and configure the new nodes in the cloud with SQL Server installed.
    Add the new nodes to the existing Windows Server Failover Cluster (WSFC) that hosts the SQL Server Always On Availability Group.
    Adjust quorum settings in the WSFC to accommodate the new nodes.
    Modify the availability group listener configuration to include the new subnets for the new nodes.
    Join the new nodes to the existing availability group as replicas.
    Synchronize data across all replicas.
    Test failover between different subnets.
    Monitor and maintain the multisubnet cluster and availability group regularly.

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