Achieve a single Openstack deployment in multiple datacenter

on YouTube ↗18m

" summary

Société Générale stretches a single OpenStack region across two Paris datacenters (no L2, <5 ms latency) by deploying Kolla-Ansible with per-AZ group_vars, keepalived VIPs and a Galera arbitrator for DB quorum, using Neutron routed provider network segments so one logical network maps to per-AZ VLAN+subnet, and extending Glance with Glance multi-store import (Ussuri) to replicate images to two Ceph clusters. The result runs ~3,000 VMs on ~80 compute nodes in the region and is reported as working.

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" chapters (6)

1. 0:00Intro
2. 0:21OUR OPENSTACK DEPLOYMENTS
3. 6:35OUR EXTENDED ARCHITECTURE
4. 9:12WARM-UP: UNLEASH KOLLA-ANSIBLE POWER
5. 11:08ROUND 1: THE NEUTRON CHALLENGE
6. 13:59ROUND 2: THE GLANCE CHALLENGE

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