[ovirt-users] Bring back "Migrate to other Cluster" feature in GUI

[Michal Skrivanek]

> On 25 Aug 2017, at 13:20, Matt . <yamakasi.014 at gmail.com> wrote:
> 
> Hi Guys,
> 
> As known the feature to Migrate to another cluster is moved from the
> GUI but available in the API.
> 
> Is there a possibility to bring it back in the GUI or make it an
> option we can enable ? When provisioning servers it's nice to migrate
> to another cluster when you per accident provisioned to the wrong
> cluster.
> 
> As this was a real feature, why remove improvements ?

Hi Matt,
unfortunately it was a very frequent cause of mistakes which lead us to the decision to hide it more. Such change for running VM cannot be supported reliably unless you manually make sure that all the settings match exactly on both clusters. These checks are feasible when the VM is Down, which is still allowed.
The problems originating from incorrect usage are simply not worth it as they are difficult to diagnose, and sometimes quite obscure. This feature was really only meant for EL 6 to EL 7 transition - which is over for 3 releases now - as a workaround to then-non-existant InClusterMigration policy

We will still keep it in API, though I’d discourage you from using it. If you need to correct the provisioned cluster you better do it the supported way of Edit VM and power cycling the guest, that’s the only way we can effectively test it and guarantee the functionality.

Thanks,
michal
> 
> I think many of us will appreciate to have it back.
> 
> Thanks!
> 
> Matt
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