How to create or copy resources from one Azure region to another in preparation to a DR scenario

Ghulam Abbas 106 Reputation points
2024-02-01T11:58:51+00:00

Hi, currently we are working to create a DR strategy how can we smoothly failover from Azure region A to region B. We have ASR up & running between both of our regions. We have already in place the below resources in region B matching exactly how this is in region A:

  • Virtual Network Gateway (without any connections) Azure Firewall - (de-allocated state)
  • All Vnets and Subnets
  • All Resource Groups
  • All NSGs with rules What we will still need to create in region B:
  • VGN Connections
  • Rout tables & Routes
  • Firewall Rules
  • Private Endpoints I am up for some suggestions / advice (PS script or something similar) that we can use to replicate the same resources from region A to region B to ensure we have everything in place before the DR test (or in a real DR)?
Azure Site Recovery
Azure Site Recovery
An Azure native disaster recovery service. Previously known as Microsoft Azure Hyper-V Recovery Manager.
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  1. SadiqhAhmed-MSFT 35,251 Reputation points Microsoft Employee
    2024-02-02T16:50:02.6+00:00

    Hello @Ghulam Abbas Thank you for posting your question on the Microsoft Q&A platform. Happy to answer any questions you may have!

    From your post I understand that you are planning to set up DR between regions and want to ensure that the failover happens smoothly.

    In short - You need to recreate the current "environment" in the target region. There is no automatic way to perform it. To ensure a smooth failover, you will need to ensure that all the necessary resources are in place and configured correctly in the target region.

    Here are some suggestions for replicating the resources from region A to region B:

    VPN connections: You can use Azure PowerShell or Azure CLI to create VPN connections between the virtual network gateways in region A and region B. You will need to ensure that the VPN connection settings match between the two regions. Route tables and routes: You can use Azure PowerShell or Azure CLI to create route tables and routes in region B that match the settings in region A. You will need to ensure that the route tables and routes are associated with the correct subnets and virtual network gateways. Firewall rules: You can use Azure PowerShell or Azure CLI to create firewall rules in region B that match the settings in region A. You will need to ensure that the firewall rules are associated with the correct subnets and virtual network gateways. Private endpoints: You can use Azure PowerShell or Azure CLI to create private endpoints in region B that match the settings in region A. You will need to ensure that the private endpoints are associated with the correct subnets and virtual network gateways.

    To replicate the resources using PowerShell, you can use the Azure PowerShell cmdlets for each resource type. You can also use Azure Resource Manager (ARM) templates to define the resources and deploy them to the target region.

    Before you perform the DR test, you should validate that all the resources are in place and configured correctly in the target region. You can use Azure PowerShell or Azure CLI to check the settings of each resource and ensure that they match the settings in region A.

    I hope this helps you replicate the remaining resources and ensure a smooth failover in the event of a DR scenario.

    CLI reference for enabling DR - https://learn.microsoft.com/en-us/cli/azure/site-recovery?view=azure-cli-latest



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