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Re: How to move emulated SWTPM data to a new VM



On Thu, Sep 23, 2021 at 08:32:46PM -0400, Sam Varshavchik wrote:
> I have an existing VM with an emulated TPM module.
> 
> I'm trying to create a replacement VM, pointing to the same disk image that
> the existing VM uses, and also migrate the existing TPM module to it.
> 
> Would just copying everything in /var/lib/libvirt/swtpm/<UUID> work? I did
> some practice runs, and it seems that virt-manager immediately starts the
> new VM as soon as it creates one, so I need to quickly turn it off, go look
> up its new UUID, and copy over the TPM files?

When creating the VM in virt-manager, in the last step you can select a
checkbox 'Modify configuration before install'. When you do that you
will see the configuration dialog for the VM and there on the Overview
tab you can also find the UUID. I haven't tried that but that way you
may be able to create the TMP directory in advance.

Hope this helps,

    Tomas

-- 
Tomáš Golembiovský <tgolembi redhat com>


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