When I set up a ZFS pool for VMs , I dedicate a filesystem per VM , so that I can independently roll back VMS. So I would suggest creating a sub-volume for each of your own VMs.
Jed On April 27, 2025 11:26:51 PM PDT, vrms <v...@netcologne.de> wrote: >I want to set up kvm/qemu virtualization on personal notebook (debian 13) and >have one issue I need to address. > >I am running on btrfs taking regular snapshots for the / directory, which lead >to high hard disk usage due to all snapshots being made of qcow2 images of vms >(being located in /var/lib/libvirt/images in the past ... > >In order to avoid running into such a situation again I am thinking on how to >set this up a little different. 2 ideas is this regards: > >1. setting up a btrfs subvol for the mentioned directory (prior installation) >2. putting the image file elsewhere (which would also be a subvol) > >what would you suggest? > >... while writing this I feel #2 would be the better way to approach. >So the question (if you agree) ... is it the |--disk path= option|in a >virt-install command, that would take care of that?
