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We've set up MAAS with 3 physical nodes. One is the controller node which is configured with a public IP visible from the outside world. The other 2 are on a private VLAN along with the cluster node. MAAS is managing DHCP. And we've installed juju on the cluster node. Now we want to deploy openstack on this setup. We followed the steps given in another post and chose a Multi-Install and eth0 interface( where private IPs are configed and MAAS is handling DHCP). We came to a point where we see this prompt-

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We are confused what to do here. If we allow the installer to proceed and create another DHCP, what does the MAAS DHCP do then . What will be its role? And the fact that the prompt warns us of collision between servers confuses us further.

Can someone guide us in the right direction

Community
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Pavan Manjunath
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2 Answers2

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You'll want to make sure you are using the latest installer bits to make use of installing Openstack on top of an existing MAAS:

http://www.ubuntu.com/download/cloud/install-ubuntu-openstack

During the installation you will have the opportunity to choose a Multi installation with an existing MAAS. It will prompt you for your MAAS server ip along with the apikey of your MAAS admin user.

Once this is set it'll bootstrap juju onto your existing MAAS deployment and provide you with the ability to manually place your Openstack services or automatically apply services to your existing machines with sensible defaults for quickly getting you up and running with Openstack.

battlemidget
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make sure you don't have any dhcp server on eth0, either by disabling the dhcp, or configuring in an isolated network environment before you pick an interface to deploy maas on with dhcp enabled

Omar
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