Open Stack

Fully agree with the prefix for the cell... there should be storage-cells
and compute-cells with different goals in terms of data locality and
availability, zone has become too overloaded...

Tim

> -----Original Message-----
> From: openstack-bounces+tim.bell=cern.ch at lists.launchpad.net
> [mailto:openstack-bounces+tim.bell=cern.ch at lists.launchpad.net] On Behalf
> Of Mark Washenberger
> Sent: 19 February 2012 19:54
> To: openstack at lists.launchpad.net
> Subject: Re: [Openstack] Remove Zones code - FFE
> 
> > 	Remember that for many deployments, the entire system will be a
> > single "zone", so whatever term is used should make sense in a
> > singular sense. That rules out names such as 'slice' or 'fragment'.
> 
> I think this is a slightly outdated concept of zones.
> 
> The key to scalability in nova is to divide the set of all compute nodes
into
> subsets, each with its own messaging and database infrastructure. The
> granularity of everything else (scheduling, api, volume, network,
what-have-
> you) is just an implementation or deployment detail that should be
flexible
> depending on our ultimate implementation and any alternative strategies we
> expose to deployers.
> 
> With this in mind it's still true that the smallest deployment would be
likely
> include just one compute zone (or compute cell, as we are trending). But
> that is a far cry from the whole system even in a small deployment.
> 
> For this reason, whatever name we choose I would hope we prefix it with
> "compute-" (i.e. compute-zone or compute-cell) so that we aren't letting
> language trick us out of some of our better implementation options, such
as
> allowing deployers to scale compute, volume, network, and api resources
> separately.
> 
> "Ed Leafe" <ed.leafe at rackspace.com> said:
> 
> > On Feb 18, 2012, at 1:08 PM, Nathanael Burton wrote:
> >
> >> Sectors remind me too much of disks.
> >
> > 	Agreed.
> >
> >> How about? Layers, Slices, Fragments, Knots...
> >
> > 	Remember that for many deployments, the entire system will be a
> > single "zone", so whatever term is used should make sense in a
> > singular sense. That rules out names such as 'slice' or 'fragment'.
> >
> > 	'Knot'? In what sense can 'knot' be used?
> >
> > 	I still prefer 'cell'. The parallel to single celled /
multi-cellular
> > life forms makes sense, and there is really no overloading of the word
> > in the world of computers.
> >
> >
> >
> > -- Ed Leafe
> >
> >
> 
> 
> 
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