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On Tue, May 18, 2004 at 04:49:00PM -0400, Patrick LeBoutillier wrote:
> On Mon, 2004-05-17 at 14:06, Patrick LeBoutillier wrote:
>
> >>>My question is: if heartbeat starts and brings up the alias on eth0 and
> >>>then
> >>>the network eth0 is connected to fails, will the director still be able
> >>>to
> >>>deal with the packets even if they start coming in from eth1?
> >>>
> >>>
>
> Here's something I'm going to try:
>
> - Switched from LVS-DR to LVS-TUN to allow virtual IP to be in a
> different network than
> realserver IP
You can do this with LVS-DR, and LVS-NAT for that matter.
> - Setup virtual IP interface on the tunl0 interface (192.168.82.1) on
> each machine
> - Setup real IP interface on the lo interface (192.168.80.1 and
> 192.168.81.1 respectively)
> on each machine
> - Created "noop" heartbeat plugin so that heartbeat leaves the virtual
> IP alias alone
> (on tunl0) on fallback:
This part is not neccessary. Just leave the IP out of heartbeat's hands
all together.
>
> haresources: cluster.domain.tl noop::192.168.82.1 ldirectord ...
haresources: cluster.domain.tl ldirectord ...
> Heartbeat therefore no longer manages the virtual IP alias
Yes, but I am not sure how that solves your problem.
How do you effect IP address takeover? Or do you handle
geting packets to go to the newly active linux director
another way?
>
>
> Then:
> - Create 2 configurations for gated:
> 1) announce 192.168.8[01].0/24 (config "real_only")
> 2) announce 192.168.8[01].0/24 and192.168.82.0/24 (config "real_dir")
>
> - Setup heartbeat so that it starts gated with "real_dir" config when
> the ressources
> are acquired and starts gated with "real_only" config when it looses
> the resources.
>
> That way gated always announces the realserver networks (so that the
> director can reach
> the realservers) via both interfaces, but only the active director
> announces the virtual
> IP network (again via both interfaces).
>
> Seems like it should work, I will try it out tomorrow.
> Any comments?
>
>
> Patrick
>
> --
> =====================
> Patrick LeBoutillier
> Laval, Quebec, Canada
>
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--
Horms
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