Multinode DVR Devstack

Assaf Muller

I recently configured a multi-node Devstack DVR setup and thought it might be useful to share my experience.

I use three VMs: 192.168.0.1/2/3. Each VM has one NIC with internet access. I normally run Devstack Neutron VMs with only one NIC – If the instances you create inside this environment require internet access, just connect the NIC to br-ex and move the IP addressing information to be-ex. I designate one VM as an ‘all-in-one’ (API servers, compute, and network), the second VM as a compute, and the third as a network node. This allows me to test DVR east-west routing (This is why I have two computes) as well as default SNAT behavior (Requires a dedicated network node / A l3 agent in ‘dvr-snat’ mode). I dislike Devstack flags/macros and prefer to configure the services myself with [post-config] sections. This soothes my control-freak nature and allows me to assert that…

View original post 157 more words

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s