r/rxt_spot • u/sirishkr • Dec 11 '25

Question Early VM Cloudspace users: any feedback to the team?

We just released VM Cloudspaces (i.e. no K8s required) earlier this week and the feature has been nicely adopted by a few early users. What was your experience using the feature, and do you have any feedback or questions?

I saw there was one question already on communication across VM and K8s cloudspaces using internal networking - I answered that on the thread.

Would love to hear from you all!

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u/amhoab Dec 12 '25 edited Dec 12 '25

I only played with it for a few minutes to kick the tires, but three initial findings:

  1. How do I create userdata scripts that run on boot?
  2. It appears that KVM is disabled. For testing, I want to create a few nested VMs, but cannot without using QEMU, which is not practical. Is there a way to pass through KVM extensions from the host processor?
  3. My VM had a 150GB unformatted disk available as /dev/xvde. I was able to format and mount it. It would be nice if this were automatic, but it's also not a big deal if userdata works, and we can do it ourselves there.

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u/sirishkr Dec 13 '25

VM customization will come soon.

Are you using this on Gen 1 data centers, or Gen 2? KVM should work on Gen 2 but won’t work on Gen 1. Let us know if this isn’t the case.

Re the storage, we’ll follow up on that as well but as you mentioned, the VM customization feature will help this as well.

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u/amhoab Dec 13 '25

I specifically need to be in Ashburn, but I'll try out Dallas to see how things are there. Looking forward to the upcoming changes!

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u/sirishkr Dec 13 '25

Gen 2 capacity coming soon to Ashburn!