At least KVM can do that. If I understood correctly, you want a base disk for multiple VMs and the delta should be stored in separate disk, right? I am using VDO (with gluster) under my storage, so any duplicate data is deduplicated (and if yiu enable compression - compressed) by VDO. Have you thought about VDO - it works with almost any block storage ?Of course both technology will reduce the I/O performance compared to raw storage. Also, let's see if actually oVirt has such option... Best Regards, Strahil Nikolov On Sep 19, 2019 10:23, 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?
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