Adding Existing VM Disk to Existing VM

thats2odd

New Member
Sep 16, 2024
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Hello All,

New to ProxMox here. We have setup a new cluster and currently in the process of testing ProxMox as our VMware replacement. I have been testing backup restore which are working great except for the time it takes to restore but that issue is for another time.

Currently I have created a new VM from scratch and attempting to attach a existing disk from storage to the newly created VM. I'm struggling to find where to do this in the GUI, if it's even possible. The only option I can see is Hard Disk. Am I missing something in the process here? Any assistance would be greatly appreciated.

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Hi!

To what I know this is not possible from the WebGUI. You could however use the command line to attach an existing diskimage to another vm:

Code:
qm set 107 --scsiX STORAGE:vm-NNN-disk-M

where X needs to be an unused number in the remaining hardware configuration and NNN the VM id which was using this disk earlier and M the number of the disk. Watch out to have the other machine turned off, you cannot cross-use it!