[Openstack-operators] expanding to 2nd location
tom at openstack.org
Tue May 5 01:42:50 UTC 2015
On 05/05/15 04:40, Jonathan Proulx wrote:
> Hi All,
> We're about to expand our OpenStack Cloud to a second datacenter.
> Anyone one have opinions they'd like to share as to what I would and
> should be worrying about or how to structure this? Should I be
> thinking cells or regions (or maybe both)? Any obvious or not so
> obvious pitfalls I should try to avoid?
> Current scale is about 75 hypervisors. Running juno on Ubuntu 14.04
> using Ceph for volume storage, ephemeral block devices, and image
> storage (as well as object store). Bulk data storage for most (but by
> no means all) of our workloads is at the current location (not that
> that matters I suppose).
> Second location is about 150km away and we'll have 10G (at least)
> between sites. The expansion will be approximately the same size as
> the existing cloud maybe slightly larger and given site capacities the
> new location is also more likely to be where any future grown goes.
Do you need users to be able to see it as one cloud, with a single API
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