Migrate Kubernetes workloads running on VM’s using Azure Migrate – Planning & Execution
This article details about a Lift and shift migration scenario which was tested successfully using Azure Migrate and is considered unique for two reasons.
- The Virtual Machines were running Kubernetes workloads and all kinds of databases like Postgres, MySQL, Mongo DB etc.
- IP retention was a prime requirement for the customer as they had certificates binded with the Load Balancer IP.
Customer had ~700+ Virtual machines running Kubernetes workloads from two environments (Dev and QA) and we migrated each environment in just a day and ensured that all the servers had their IP retained and their Kubernetes workloads started working exactly the same manner as how it used to work from on-premise. Planning of the migration (including replication time) etc went for 3 weeks and we migrated each environment over a weekend that included functional testing as well.
Ofcourse, there was option to modernize the application by moving the workloads to AKS, but due to a strict migration timelines and customers inexperience in handling AKS we decided against it.
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