Open Stack

Hi Mitch

We are using RBD, via iSCSI for compute nodes (they are booting from it as part of iPXE/DHCP process), then we are using Ceph as backend for both images and VM`s.

Simple and it works.

Cheers,
NM


On 08/17, Mitch Anderson wrote:
> aHi all,
> 
> I've been looking around for example architectures for types of sytems and
> numbers for an HA setup of Openstack Grizzly (Probably won't go live until
> after havana is released).
> 
> I've done a Simple Non-HA setup with Mirantis' Fuel.  Which has worked out
> well.  And they're documented Production HA setup is with 3 Controllers and
> N compute nodes...
> 
> If I were to use Ceph for storage I would need a minimum of atleast 3
> nodes.  I was looking to make my compute nodes have minimal disk space so
> only my Controllers would have storage (for Glance, DB's, etc..) and the
> Ceph storage nodes would have the rest.  Is this solution preferred?  Or,
> do I run Ceph on the compute nodes?  If so, what size nodes should they be
> then?  I'd like to run 40-60 VM's per compute node of varying sizes and
> needs.
> 
> Any pointers would be much appreciated!
> 
> -Mitch Anderson

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