Fabio, Did you tried to create a VM based on a template with thin-provisioning mode? This looks like this is what you want to to achieve. The VM will have a QCOW disk based on the template disk that will stay Read-Only.
Regards, Freddy On Thu, Sep 19, 2019 at 10:50 AM Simone Tiraboschi <stira...@redhat.com> wrote: > > > On Thu, Sep 19, 2019 at 9:24 AM <marzoccafa...@gmail.com> wrote: > >> Hi, >> >> I am approaching and studying oVirt in order to propose the solution to a >> customer as a replacement for a commercial solution they have now. >> They only need Desktop virtualization. >> Sorry for the silly question, but I can't find a way to deploy a VM >> (template) to users as a "linked-clone", meaning that the users' image >> still refers to the original image but modification are written (and >> afterwards read) from a new location. This technique is called >> Copy-on-write. >> Can this be achieved with oVirt? >> > > Hi, > oVirt provides VM Pools: > https://www.ovirt.org/documentation/admin-guide/chap-Pools.html > > but the VMs in pool are designed to be stateless and so, on that user > case, the user specific data should stored on an external (not on the VM > disk) storage area like an NFS or SMB/CIFS share mounted inside the VM at > user login time. > > Probably you can achieve something closer to your initial idea relying on > oVirt-CinderLib integration over a capable SAN or a Ceph storage. > > https://ovirt.org/develop/release-management/features/storage/cinderlib-integration.html > Please be aware that in 4.3 cinder-lib integration is still a > "tech-preview" grade feature and the design of the whole solution will > probably require a relevant integration/configuration effort on your side > to correctly achieve copy-on-write behaviour on storage side. > > > >> >> Fabio >> _______________________________________________ >> Users mailing list -- users@ovirt.org >> To unsubscribe send an email to users-le...@ovirt.org >> Privacy Statement: https://www.ovirt.org/site/privacy-policy/ >> oVirt Code of Conduct: >> https://www.ovirt.org/community/about/community-guidelines/ >> List Archives: >> https://lists.ovirt.org/archives/list/users@ovirt.org/message/3XITFLEJDICOFY3KQTBHFASBF7KANJCV/ >> > _______________________________________________ > Users mailing list -- users@ovirt.org > To unsubscribe send an email to users-le...@ovirt.org > Privacy Statement: https://www.ovirt.org/site/privacy-policy/ > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/2KFQCPLGDL6NEBLVLMO6WG4KMXURNJEI/ >
_______________________________________________ Users mailing list -- users@ovirt.org To unsubscribe send an email to users-le...@ovirt.org Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/MYHC5QM5IUESI5U2TDUQPXSFOEGDFGJT/
