Change type of machine in KVM hypervisor

[SviridoffA]

Hi Everyone! Please help me 🙏! Can someone tell me if there's any way to change parameter arch='x86_64' machine='pc-i440fx-8.2' in a virtual machine's XML to arch='x86_64' machine='pc-q35-8.2' without CloudStack overwriting these changes, perhaps through some extra config set with the API (cmk)?

I am using:

ACS 4.19.3

Ubuntu 24.04

QEMU 8.2.2

[weizhouapache]

@SviridoffA
there is a recent PR for it: #11569

[SviridoffA]

Hi @weizhouapache, thanks for this information. It's a great enhancement, but if I can't build CloudStack myself with this PR, is there any other way to do this at the moment?

I have tried

cmk update virtualmachine id=<id> extraconfig="<os><type arch='x86_64' machine='pc-q35-8.2'>hvm</type></os>"

but looks like it's not correct. There are many another parameters related in XML.

[SviridoffA]

It seems the only way to do this now is to create a virtual machine with UEFI settings. If you choose this option, VM type will be set to pc-q35-8.2. However, this cannot be applied to an already existing virtual machine, as it may cause issues with the bootloader.