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Cost increase in converting from LRS to ZRs - Azure VM's Disks

Ram Kumar Cheekoti 161 Reputation points
2024-10-24T13:32:06.2766667+00:00

Hi Team,

We currently have active Azure Virtual Machines with the following configurations in UAE North Region:

  1. Some machines are neither in an availability set nor in an availability zone.
  2. Other machines are enabled with only an availability set, but not in an availability zone.

We want to migrate all these VMs to be zone-redundant since they are currently not zone-enabled. As part of this migration, we would like to convert the LRS (Locally Redundant Storage) disks of these VMs to ZRS (Zone-Redundant Storage) disks.

Could you please provide details on the costs associated with this conversion and how we get the estimation? Thank you!

Azure Virtual Machines
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An Azure service that is used to provision Windows and Linux virtual machines.
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Azure Migrate
A central hub of Azure cloud migration services and tools to discover, assess, and migrate workloads to the cloud.
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Azure Disk Storage
A high-performance, durable block storage designed to be used with Azure Virtual Machines and Azure VMware Solution.
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Accepted answer
  1. TP 100.9K Reputation points
    2024-10-24T13:50:48.21+00:00

    Hi Ram,

    To see pricing for ZRS disks please navigate to Managed Disks pricing page. Scroll down, choose Redundancy: ZRS, Region: UAE North. Once you have those options set, you can scroll down and see the monthly price for each disk size.

    If you are unsure of your current sizes you can see this by browsing to each VM in the Azure portal -- Disks blade.

    Some machines are neither in an availability set nor in an availability zone.

    Since these VMs are regional and not in availability set/zone then the conversion is easy.

    Article below describes how to convert from LRS to ZRS:

    https://zcusa.951200.xyz/en-us/azure/virtual-machines/disks-migrate-lrs-zrs?tabs=azure-portal#regional-migration

    Other machines are enabled with only an availability set, but not in an availability zone.

    Are these availability sets classic or aligned?

    Please click Accept Answer and upvote if the above was helpful. Thanks.

    -TP

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