Re: [openstack-dev] [TripleO] Generalising racks :- modelling a datacentre

2013-09-25 Thread Chris Jones
Hi On 25 September 2013 04:15, Robert Collins robe...@robertcollins.netwrote: E.g. for any node I should be able to ask: - what failure domains is this in? [e.g. power-45, switch-23, ac-15, az-3, region-1] - what locality-of-reference features does this have? [e.g. switch-23, az-3,

Re: [openstack-dev] [TripleO] Generalising racks :- modelling a datacentre

2013-09-25 Thread Tomas Sedovic
On 09/25/2013 05:15 AM, Robert Collins wrote: One of the major things Tuskar does is model a datacenter - which is very useful for error correlation, capacity planning and scheduling. Long term I'd like this to be held somewhere where it is accessible for schedulers and ceilometer etc. E.g.

Re: [openstack-dev] [TripleO] Generalising racks :- modelling a datacentre

2013-09-25 Thread Mike Spreitzer
@lists.openstack.org, Date: 09/25/2013 10:37 AM Subject:Re: [openstack-dev] [TripleO] Generalising racks :- modelling a datacentre On 09/25/2013 05:15 AM, Robert Collins wrote: One of the major things Tuskar does is model a datacenter - which is very useful for error correlation, capacity planning

Re: [openstack-dev] [TripleO] Generalising racks :- modelling a datacentre

2013-09-25 Thread Keith Basil
On Sep 25, 2013, at 10:36 AM, Tomas Sedovic wrote: On 09/25/2013 05:15 AM, Robert Collins wrote: One of the major things Tuskar does is model a datacenter - which is very useful for error correlation, capacity planning and scheduling. Tuskar was designed for general infrastructure modeling

Re: [openstack-dev] [TripleO] Generalising racks :- modelling a datacentre

2013-09-25 Thread Narayan Desai
We're interested in topology support in order to support placement locality (to optimize task placement in ensembles). Vish and I started talking about what would be needed a few months ago, and came up with two approaches that would work: - modelling the system as a full graph (ie rich enough