April Meeting: Keeping services up, and servers up to date: Using VRRP and conntrackd

Lloyd Brown lloyd_brown at byu.edu
Tue Apr 10 10:50:23 MDT 2018

I guess I'd better write the presentation, then, huh? :-


On 04/10/2018 10:40 AM, James Simister wrote:
> Date: Tuesday, April 17th
> Time: 7:00pm
> Location: UVU Business Resource Center
> In this presentation, Lloyd Brown will describe one High-availability approach involving VRRP (using keepalived), and conntrackd, to seamlessly failover IP-based services. This approach allows, among other things, automatic OS updates, without the underlying service going down.
> We will discuss motivations, the general approach of VRRP and it's limitations, connection table synchronization to allow resuming of TCP sessions after a failover, and sane approaches to automatic updates.
> Just go in the front doors, and follow the signs. We're usually in a conference in the back of the main floor. 
> http://plug.org/uvu has directions and a map
> /*
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Lloyd Brown
Systems Administrator
Fulton Supercomputing Lab
Brigham Young University

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