[ovirt-devel] Remote DataCenter/Cluster

[Omer Frenkel]

----- Original Message -----
> From: "Sahina Bose" <sabose at redhat.com>
> To: "Dusmant Kumar Pati" <dpati at redhat.com>, "Itamar Heim" <iheim at redhat.com>, devel at ovirt.org, "Allon Mureinik"
> <amureini at redhat.com>, "Oved Ourfali" <ovedo at redhat.com>, "Liron Aravot" <laravot at redhat.com>, "Omer Frenkel"
> <ofrenkel at redhat.com>, "Yair Zaslavsky" <yzaslavs at redhat.com>, "Roy Golan" <rgolan at redhat.com>
> Sent: Thursday, September 25, 2014 8:31:11 AM
> Subject: Re: [ovirt-devel] Remote DataCenter/Cluster
> 
> 
> On 08/25/2014 10:13 AM, Dusmant Kumar Pati wrote:
> > On 08/21/2014 03:57 PM, Sahina Bose wrote:
> >>
> >> On 08/21/2014 03:42 PM, Itamar Heim wrote:
> >>> On 08/21/2014 05:00 AM, Sahina Bose wrote:
> >>>> Hi,
> >>>>
> >>>> We ran into a requirement where we need to mark a DataCenter or
> >>>> Cluster
> >>>> as remote. This is for the feature Gluster Geo-replication
> >>>> management -
> >>>> where the same oVirt instance will be managing both the master volume
> >>>> and as well as the remote site volume
> >>>>
> >>>> The reason we want to call out a Datacenter as remote, is to ensure
> >>>> that
> >>>> the polling frequency on this is different from one that is
> >>>> co-located.
> >>>>
> >>>> Is there a similar requirement for virtualization?
> >>>>
> >>>> thanks
> >>>> sahina
> >>>
> >>> I thought in the gluster view there are no DCs, only clusters?
> >>> (actually, i wonder if we shouldn't consider the same for the virt
> >>> use case, and deprecate the DC entity, though that would be a major
> >>> effort and not sure worth it).
> >>
> >> In fact, we were wondering if we need to bring in the concept of DC
> >> for the gluster view and mark it remote...or just stick with flagging
> >> cluster as Remote :)
> > I think your second option looks better, considering gluster does not
> > have any DC concept. Just stick with flagging cluster as Remote.
> > Once managed by RHSC (either local or remote), almost all features of
> > RHSC, should be applicable for that cluster as well. Isn't it?
> >
> 
> If we do introduce a Remote cluster, how would that affect the Data
> Center for virt+gluster mode - having remote as well as local cluster?
> 
> Thoughts?

i dont see any problem having a cluster flagged as remote,
maybe we could use it also for different monitoring intervals if requested,
but as first phase it could be used only for the gluster use case.

> 
> >> Users may be more familiar with DC w.r.t DR
> >>
> >>>
> >>> to your question, yes. there is a similar use case for virt -
> >>> flagging a DC or Cluster and Storage as remote for a DR use case.
> >>> though i don't think anyone spent cycles on modeling that
> >>
> >> _______________________________________________
> >> Devel mailing list
> >> Devel at ovirt.org
> >> http://lists.ovirt.org/mailman/listinfo/devel
> >
> 
>