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On Thu, Sep 16, 2004 at 02:30:33PM -0400, Ryan Leathers wrote:
> I need a topology similar to Horms example at
> http://www.ultramonkey.org/2.0.1/topologies/ha-eg.html
> There is a twist. I need 2 instances of this example and I'd like to
> consolidate the two instances to only 2 real servers rather than 4.
>
> Here is the twist:
> The service I will offer is DNS. I have 2 real servers which I will
> configure as multiple masters and rdist the zone files between them.
> I will also use bind views to segment internal and external reply data.
> However, I will need to allow direct (non-routed) access from both the
> internal and external interfaces. (its not really "internal" and "external"
> - I could just have easily said A and B or Red and Blue)
>
> So, I am wondering if 2 instances of Horms example above can coexist. For
> example:
>
> Realserver1 eth0 1.1.1.1
> Realserver1 eth0:1 1.1.1.10
> Realserver2 eth0 1.1.1.2
> Realserver2 eth0:1 1.1.1.10
>
> Realserver1 eth1 2.2.2.1
> Realserver1 eth1:2 2.2.2.10
> Realserver2 eth1 2.2.2.2
> Realserver2 eth1:2 2.2.2.10
>
> For the sake of clarity, I do not need to connect from source hosts in one
> network and reach destination hosts in another. What I am after is to reach
> a service (DNS in this case) at a VIP for the benefits of high availability
> that gives me. I need to do this for two networks. I would like to
> accomplish this using only 2 realservers rather than 4.
>
> Will this work or is there something in the way lvs works which will prevent
> this sort of thing?
> Am I wasting my time?
Both LVS and Heartbeat are able to handle multible virtual services,
which I think is what you are asking.
As is discussed in some subsequent posts to this thread you
may not need LVS at all, but from reading your later response
you seem to have that all in good order.
--
Horms
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