Migration standard HDD disk to standard SSD disk in azure.

Question

Migration standard HDD disk to standard SSD disk in azure.

Fernando Martínez Gallardo 21

Hello.

I started in Azure trying a VM with a standard HDD LRS disk, but now I want to upgrade to a standard SSD.

If I upgrade from a standard HDD to a standard SSD, do I lose data?

Thanks.

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Answer 1

Hi there,

The disk type conversion is instantaneous. You can start your VM after the conversion and their will not be any data loss.

This functionality is not supported for unmanaged disks. But you can easily convert an unmanaged disk to a managed disk to be able to switch between disk types.

Update the storage type of a managed disk

https://learn.microsoft.com/en-us/azure/virtual-machines/windows/convert-disk-storage

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Answer 2

Rafael da Rocha 5,251

There is no data loss if changing disk type from HDD to SSD of the same size or bigger.

Answer 3

risolis 8,741

Hello @Fernando Martínez Gallardo

Thank you for your comment.

As per your description, I would say that this applies to this case scenario as shown below:

Looking forward to your feedback,

Best Regards,

Please "Accept the answer" if the information helped you. This will help us and others in the community as well.

Answer 4

Fernando Martínez Gallardo 21

How can I know if the disk assigned to the VM is managed?

Rafael da Rocha 5,251 Reputation points

2022-07-07T01:42:59.31+00:00

Hello, here's an article that shows how available disk options are different between managed and unmanaged.
https://renjithmenon.com/azure-managed-disks-vs-unmanaged-disks-or-storage-accounts/

Or you can use azure cli or powershell:

az vm show -g "ResourceGroup" -n "MachineName"

At the end of the output you'll see something like the following:

"osType": "Windows",
"vhd": null,
"writeAcceleratorEnabled": false

In this case, as it is a managed disk, vhd is null. If it isn't a managed disk, it will show a URI

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Migration standard HDD disk to standard SSD disk in azure.

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