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Ard van Breemen wrote:
> Yep. But I could not find it in the howto... And the solution
> was really simple...
glad you figured it out.
there was a strong vote at the time I wrote that section to exclude
the router as part of the LVS. Of course if you have access to the router
then life is a lot simpler and you may as well take advantage of it.
I'm going to include this info in the next iteration of the HOWTO,
> > This is one of the ways of handling the arp problem. Some people do not
> > have access to the router. When you fail-out a director, the MAC address of
> > the VIP changes. Check that the entry in the router gets flushed.
> Well, what really seems to help is to set the arp timeout values rather
> high on the router, and let the new director broadcast unsolicitied
> arp's (arping -U dip) for the dip. In our production set-up (not
> load balanced, and fail-over by aliasing the IP's and upping it
> and broadcasting the arps) this is common practice. After the first arp,
> the router knows the new mac of the dip.
some routers will ignore these and you're stuck with the old MAC (security
feature?)
> And yes, we do have access to the router :)...
:-)
Joe
--
Joseph Mack PhD, Senior Systems Engineer, Lockheed Martin
contractor to the National Environmental Supercomputer Center,
mailto:mack.joseph@xxxxxxx ph# 919-541-0007, RTP, NC, USA
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