Public bug reported:
How to replicate:
1. Install libvirt, libvirt-daemon-driver-storage-zfs and virt-manager
2. Create a zfs pool
# zpool create -oashift=12 zfs /dev/sdb
# zfs set compression=lz4 zfs
# zfs create zfs/images
# virsh pool-define-as --name zfs --source-name zfs/images --type zfs
3. Create a volume in that pool
root@beaver:~# virsh vol-create-as --pool zfs --name vol1 --capacity 1G
Vol vol1 created
root@beaver:~# virsh vol-list --pool zfs
Name Path
------------------------------------------------------------------------------
vol1 /dev/zvol/zfs/images/vol1
4. Start virt-manager (even as a non-root user)
5. Immediately re-list the volumes from virsh:
root@beaver:~# virsh vol-list --pool zfs
Name Path
------------------------------------------------------------------------------
root@beaver:~#
All zfs volumes have been forgotten!! Fortunately they still exist in
zfs:
root@beaver:~# zfs list
NAME USED AVAIL REFER MOUNTPOINT
zfs 1.03G 8.59G 96K /zfs
zfs/images 1.03G 8.59G 96K /zfs/images
zfs/images/vol1 1.03G 9.63G 56K -
I think virt-manager is supposed to play nicely with zfs:
* You can create a zfs pool successfully in the GUI
* You can click to create a zfs volume. It actually creates the underlying
zvol (as shown by "zfs list")
* But every time you do any action in virt-manager, even just clicking the
Refresh button on the list of volumes, all volumes disappear from libvirt.
root@beaver:~# virsh vol-list --pool zfs
Name Path
------------------------------------------------------------------------------
vol1 /dev/zvol/zfs/images/vol1
root@beaver:~#
<<< click the Refresh button >>>
root@beaver:~# virsh vol-list --pool zfs
Name Path
------------------------------------------------------------------------------
root@beaver:~#
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: virt-manager 1:1.5.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
Date: Mon Apr 30 10:24:19 2018
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: virt-manager
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: virt-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic uec-images
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https://bugs.launchpad.net/bugs/1767997
Title:
virt-manager destroys all volumes in libvirt zfs pool
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