Incus Virtual Machine Root Disk Confusion

[Stux]

@criticallyConfused

Is there any way for me to make Incus use a Zvol of my choosing for the root drive that it installs

The root drive can be replaced after the fact.

HOWTO: Replace an Incus VM root device with an external zvol

In Fangtooth 25.04 RC.1 you can create Incus VM Instances using external zvol. This is a good way to migrate an existing VM into the Incus system, but you will be left with a dangling “root” 10GiB volume attached to your VM. There is no harm in this, and it uses a trivial amount of space, but perhaps it annoys you and your would prefer to replace the root disk with the external zvol, and fully migrate your VM into the Incus ecosystem. WARNING: Incus 6.0.3 LTS is prone to erasing existing zvol…