_______________________________________________On Thu, Sep 19, 2019 at 9:24 AM <marzoccafabio@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.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
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