[openstack-dev] need help on 3 controllers setup

Srikanth Chandika linosrikanth at gmail.com
Tue Jul 25 07:05:38 UTC 2017


I have a OpenStack 3 controllers OpenStack Mitaka Setup

I wanted to bring down all the controller machines to change the NIC on all
nodes so what is the ideal way to do it without effecting or shutting-down
running VMs

Please share me necessary inputs to efficiently achieve my goal.

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