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[SOLVED] Adding a second vdisk to Windows VM breaking things

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Hi All,

 

On my Unraid VM I have GPU passthrough setup on it to my GTX 970 and running Windows 11. Generally speaking the performance is great!

 

I added a second vdisk in the config and since doing this, it will not boot. Initially I thought that I had broken something else in the config XML, but if go back and remove the new vdisk then it will boot and work exactly as before (note: I am editing the VM config using the GUI, not changing the XML manually...).

 

As another test I decided to add the second vdisk and also change the GPU passthrough to virtual. This works and I was able to remote in using VNC and initialise the new "drive" in windows which is the vdisk. Everything there is working as expected. As soon as I re-enable GPU passthrough though, it fails to boot. Again, that is until I remove the second vdisk then it is back to working again.

 

I have attached two configs. One that is working with just 1x vdisk configured, and one that isn't working with 2x vdisks configured. I can see the differences in the two files, but I don't quite understand why it breaks it. Edit: I have now removed XML config files as they are no longer necessary... Problem is solved.

 

Does anyone know where I went wrong here?

 

Many thanks

Edited by inghamio
removed xml files as no longer necessary

Solved by inghamio

  • Author
  • Solution

OK I figured this out (and I feel kinda stupid now)...

 

When adding the second vdisk, it was automatically setting `2nd vDisk Bus` to VirtIO when obviously this should have been set to SATA (or I guess one of the others options if you need it to). I guess I just didn't notice it!

 

So changed this to SATA, and yeah, it boots now! Doh!

  • inghamio changed the title to [SOLVED] Adding a second vdisk to Windows VM breaking things
  • 1 year later...

How did you add a second vdisk? I cant find any documentation or otherwise outlining the procedure. Can you spare a newbi some advise?

26 minutes ago, Blue_Knight said:

How did you add a second vdisk? I cant find any documentation or otherwise outlining the procedure. Can you spare a newbi some advise?

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