Hi Nir, Just to report. As suggested, I created a Posix compliant storage domain with CephFS and copied my templates to CephFS. Now I created VMs from CephFS templates and the storage error happens again. As I understand, the storage growth issue is only on iSCSI.
Am I doing something wrong? Kind regards, Shantur On Wed, Aug 11, 2021 at 2:42 PM Nir Soffer <nsof...@redhat.com> wrote: > > On Wed, Aug 11, 2021 at 4:24 PM Arik Hadas <aha...@redhat.com> wrote: > > > > > > > > On Wed, Aug 11, 2021 at 2:56 PM Benny Zlotnik <bzlot...@redhat.com> wrote: > >> > >> > If your vm is temporary and you like to drop the data written while > >> > the vm is running, you > >> > could use a temporary disk based on the template. This is called a > >> > "transient disk" in vdsm. > >> > > >> > Arik, maybe you remember how transient disks are used in engine? > >> > Do we have an API to run a VM once, dropping the changes to the disk > >> > done while the VM was running? > >> > >> I think that's how stateless VMs work > > > > > > +1 > > It doesn't work exactly like Nir wrote above - stateless VMs that are > > thin-provisioned would have a qcow volume on top of each template's volume > > and when they starts, their active volume would be a qcow volume on top of > > the aforementioned qcow volume and that active volume will be removed when > > the VM goes down > > But yeah, stateless VMs are intended for such use case > > I was referring to transient disks - created in vdsm: > https://github.com/oVirt/vdsm/blob/45903d01e142047093bf844628b5d90df12b6ffb/lib/vdsm/virt/vm.py#L3789 > > This creates a *local* temporary file using qcow2 format, using the > disk on shared > storage as a backing file. > > Maybe this is not used by engine? > _______________________________________________ Users mailing list -- users@ovirt.org To unsubscribe send an email to users-le...@ovirt.org Privacy Statement: https://www.ovirt.org/privacy-policy.html oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/ZEMCITVILEFHZ2R4QIVUJ26TL6LYMDRY/