On Thu, Apr 7, 2016 at 6:28 PM, Matthew Bohnsack <[email protected]> wrote: > Thanks for your responses. > > Is gaining the ability to have local and shared storage domains in the same > datacenter (and therefore host) on the roadmap? It's most certainly > functionality we require in our virtual environment.
I don't think it is on our roadmap at least not for the next release or two. Can you explain why this feature is required? Nir > > On Thu, Apr 7, 2016 at 8:44 AM, Alexander Wels <[email protected]> wrote: >> >> On Thursday, April 07, 2016 07:47:59 AM Matthew Bohnsack wrote: >> > Hello. >> > >> > I've been doing some experimentation with oVirt 3.6 and CentOS 7.2 >> > hosts, >> > and I have a few high level questions, related to what I've seen in my >> > testing: >> > >> > 1/ It seems that for a given host, it's impossible to have both a local >> > storage domain and a shared storage domain such as NFS. Is this >> > correct? >> > If so, is adding this capability on the roadmap somewhere? I would >> > really >> > like to have the ability for a single host to simultaneously support >> > both >> > local and network disks. >> > >> >> Storage is defined on a data center level, not on a host level, so you are >> correct you cannot have local storage and shared storage in the same data >> center. >> >> > 2/ Does oVirt support any sort of live storage migration functionality? >> > >> >> Yes, if you go to the disks main tab, you can select the disk you want to >> migrate and click 'move'. This will give you a dialog that allows you to >> select the target storage domain and profile. >> >> > 2.A/ For example, say I have one host (host#1) with two separate NFS >> > storage domains (NFS#1 and NFS#2). In this case, can a VM on host#1 >> > associated with NFS#1 be live migrated to NFS#2 storage? Or can this >> > sort >> > of storage movement only be accomplished by a shutdown of the VM and an >> > export/import/restart workflow? >> > >> > 2.B/ Is the scenario described in 2.A possible across two different >> > hosts >> > that share both NFS storage domains? That is, can a VM guest on >> > host#1/NFS#1 be live migrated to host#2/NFS#2? >> > >> >> See above answer, you can live migrate between storage domains, and since >> storage domains are at a data center level if both hosts are in the same >> data >> center, and both storage domains are in the same data center, you can live >> migrate the storage as well as the VMs. It will be 2 separate operations >> though. >> >> > 3/ Let's says that you setup a host (host#1) with a shared storage >> > domain >> > (NFS#1) and a second host (host#2) with a local storage domain >> > (local#2). >> > If you wanted to move a VM from host#1/NFS#1 to host#2/local#2, how >> > would >> > you most easily accomplish this? All I could come up with is: Add NFS >> > export domain to host#1, turn VM on host#1 off, export VM, add NFS >> > import >> > domain to host#2, import VM, on host#2 onto local#2, turn VM on on >> > host#2? >> > >> >> Since these hosts cannot be in the same data center (cannot mix shared and >> local storage) that is the only option I know of for this particular >> scenario. >> >> > Thanks for your help, >> > >> > -Matthew >> > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.ovirt.org/mailman/listinfo/users > _______________________________________________ Users mailing list [email protected] http://lists.ovirt.org/mailman/listinfo/users
