Cluster Setup

Question

Hi All

I have an application and i want to setup Failover Cluster for this application. i have installed the cluster feature and added two nodes to the cluster. The servers are hosted in Azure. i am following the below MS article. since the servers are hosted in azure do i need to setup Azure Load Balancer. The OS on the servers is windows server 2019 DC edition. i want to use azure storage account as cloud witness.

https://learn.microsoft.com/en-us/windows-server/failover-clustering/create-failover-cluster

Answer 1

Yes you need the public/private load balancer based on how the clients will connect to it internally or externally.

Please refer the link for cloud witness:
https://learn.microsoft.com/en-us/windows-server/failover-clustering/deploy-cloud-witness

Thank you,
Dayanand G

Answer 2

@Glenn Maxwell

Thanks for reaching out on Microsoft Q&A Platform.

Whether you want to deploy a Load Balancer or not completely depends on the factors like application type, uptime, availability, etc.

As mentioned in the previous response by DayanandGavas-1821, you can check this Cloud Witness and it is a feature of Windows Server 2019 and later. You can follow this public document to deploy the storage account required to use the Cloud Witness. The Cloud Witness was designed, primarily, for on-prem systems that needed remarkable uptime and to be an intermediary between geographically distributed cluster nodes. It doesn't make much sense to deploy for systems already in Azure, but it is still good to have in cases where the VM nodes are in different Azure regions.

Hope that helps.
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