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ken wrote:
>
> Please look at the following URL. This is what I'm trying to setup:
> http://www.ultramonkey.org/2.0.1/topologies/sl-ha-lb-eg.html
I don't use UltraMonkey, but the principles are the same for standard LVS.
>
> This setup only uses 2 machines, acting as both directors and servers in a
> Direct Routing setup. Each machine has it's own, unique real IP. Per the
> instructions on the above website, and per the LVS-DR general howto, each
> machine must have the VIP (virtual IP) assigned to the lo device (or any other
> device that can be hidden). At this point, each machine just has it's own
> unique RIP on eth0, and the VIP on lo. Everything is fine so far. Once I
> start Keepalived, or Heartbeat for that matter, the VIP is also assigned to
> the
> public device eth0 on the primary dirctor/server. At this point, while I can
> still ping and connect to services on that machine's RIP, I cannot ping or
> connect to the VIP.
because it's local. You aren't going to change that.
> If I remove the VIP bound to lo, I can instantly ping and
> connect to the VIP bound to eth0 from any client on my LAN.
is the client on the realserver? if so
http://www.linuxvirtualserver.org/Joseph.Mack/mini-HOWTO/LVS-mini-HOWTO.html#gotchas
> I've been using a LVS-NAT cluster for about 2-1/2 years, since the VA-Linux
> 6.2
> days, but I've never setup a LVS-DR cluster. Either I'm missing something in
> my setup, or the documentation on Horm's Ultramonkey site is wrong and/or
> incomplete as far as this particular setup goes. As far as I can tell, you
> can't have the virtual IP assigned to both the loopback and a public ethernet
> device. What I've had to do is remove the VIP loopback definition whenever
> the
> director/server becomes the primary node, then add it back in if it demotes to
> secondary. This seems to work fine, but seems a bit clumsy since I have to
> use
> a script external to the standard LVS/Keepalived applications.
I think you'll have to talk to Horms about the UM specific setup.
Joe
--
Joseph Mack PhD, High Performance Computing & Scientific Visualization
SAIC, Supporting the EPA Research Triangle Park, NC 919-541-0007
Federal Contact - John B. Smith 919-541-1087 - smith.johnb@xxxxxxx
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