Thies C. Arntzen wrote:
Hi,
I’m new here so apologies if this has been answered before.
I have a box that uses ZFS for everything (ubuntu 17.04) and I want to create a libvirt pool on that. My ZFS pool is named „big"
So i do:
zfs create big/zpool virsh pool-define-as --name zpool --source-name big/zpool --type zfs virsh pool-start zpool virsh pool-autostart zpool virsh pool-list virsh vol-create-as --pool zpool --name test1 --capacity 1G virsh vol-list zpool
Everything seems to work (no error message, vol-list shows the created volume, I can see the volume via zfs list -t all). -BUT- I cannot use that volume via virt-manager
Could you check if you can use this volume via virsh, and paste an error message in case if it provides one? Or maybe an error message if virt-manager gives one.
and after a short while it’s no longer listed via virsh vol-list zpool. The very same thing works
Does "after a short while" involve host reboots, libvirtd restarts or anything like that? Anyway, I've just checked the scenario you provided on FreeBSD and I was able to create a VM using this new 'test1' volume. I was using just virsh though. I'll try to setup Ubutun 17.04 VM and check there.
as expected if I create a new zfs pool which I hand into libvirt. So instead of creating a pool from "big/zpool“ I create a pool names „somepool“ on a free device and -voila- everything works.
Hope I did make myself clear?
Best regards, thies
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Roman Bogorodskiy