Re: [ovirt-users] Posix FS as alternative to local storage?

On 30/04/18 11:43, Eduardo Mayoral wrote: > Hi, > >     I would like to set up a new oVirt deployment with hosts that have > the VMs running on local attached storage. I understand this has the > requirement of having each host in its own cluster (and own datacenter, > it seems, I understand the need for the dedicated cluster, not so much > for the dedicated datacenter). > >     At the same time, I would like to have some shared storage domains > so I can use it to export VMs or migrate them around hosts (probably in > three stages, first migrate VM storage from local to the shared storage > domain, second migrate the host (probably not possible to do a "hot" > migration, but at least "cold"), third migrate the VM storage from the > shared storage domain to the local storage domain of the new host). > >     So I thought maybe I can deploy a datacenter in shared storage mode, > with one cluster per host. Use one or two shared storage domains for > master and as an stage area for planned VM migrations as explained > before, and then configure several storage domains, one per host, as > posix FS . I would then deploy the VMs on the local posix FS storage > domains and set affinity rules for the VMs to their hosts as needed. > >     Would this work? Is there a better way of achieving local storage > and retaining the ability to share storage among hosts and migrate VMs? > > Have you thought about using glusterfs? If hosts are physically close, that would probably be the best solution.