ASR replicated items disk type change

Question

I am doing Lift and Shift project, and use ASR as the migration tool to migrate on-premise VMs to cloud.

when i created the replicated items on RSV, i didn't change the disk type. is that possible to update the disk type from standard_HDD to standard_SSD before failover?

Answer 1

Hello @JZ - Thank you for reaching out!

Changing disk should be possible. Ref doc: https://learn.microsoft.com/en-us/azure/site-recovery/vmware-azure-common-questions#can-i-change-the-managed-disk-type-after-a-machine-is-protected

In case of Azure to Azure replication, following steps applies:

1. Go to Disks of the affected replicated machine and copy the replica disk name.
2. Go to this replica of the managed disk.
3. You might see a banner in Overview that says an SAS URL has been generated. Select this banner and cancel the export. Ignore this step if you don't see the banner.
4. As soon as the SAS URL is revoked, go to Configuration for the managed disk. Increase the size so that Site Recovery supports the observed churn rate on the source disk.

Refer to: https://learn.microsoft.com/en-us/azure/site-recovery/azure-to-azure-troubleshoot-replication

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Answer 2

When you migrate your VMs you will want to use managed disks - they can be converted during the process or at a later stage - https://learn.microsoft.com/en-us/azure/virtual-machines/windows/migrate-to-managed-disks

Once using managed disks you can easily change the disk types from Standard HDD to Standard (or Premium SSD) - https://learn.microsoft.com/en-us/azure/virtual-machines/windows/convert-disk-storage#switch-managed-disks-from-one-disk-type-to-another