Hi all, I recently installed OpenNebula in a test environment for evaluation purpose and got it working with a VMware ESXi5 hypervisor.
Right now I have 3 machines: - the front end with OpenNebula installed - the hypervisor with ESXi - the storage, mounted both on the front end and on the hypervisor by using NFS My concern is now how does it really work ? For example if I have 2 hypervisors or more, would it be possible to access the same share space with something else than NFS ? And would it be seen as one unique system from a user point of view (with loadbalancing I assume) ? We would prefer not to use NFS but I haven't seen alternatives yet. My second concern is that I would also like that the VM deployed by the OpenNebula front end to the hypervisor could access a Distributed File System and store their data on it. Indeed I expect to have a lot of VM machines running and I noticed that making a snapshot before stopping a VM takes some time. With a DFS I would a have increased security, more scalability and I could stop a VM directly since the data would be stored elsewhere and so increase performances. However I didn't really found something that fit my needs in the documentation or in the internet. Apparently DFS such as MooseFS exist but what I would like is to be able to connect Unix VM to it but also Windows VM, and MooseFS is Unix only from what I undestand. My idea is actually to build something similar to Amazon EBS, I know it's possible with Eucalyptus which I am also testing in the meantime but I have no idea how to do it with OpenNebula right now and it would be something we would really like to have. Thanks, -- Alexandre Fouchs
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