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Adrian,
>That is LVS-DR. If you use it you have all chances that none of
the
>above-mentioned problems occur. Just read the howto to avoid
the ARP problem
> (or use static ARP on the director).
OK, so lets say it is LVS-DR (I have read about LVS-DR in the
FAQ) how would I meet the following criteria:
1. A box could be added to the farm without having to solve the
ARP problem. (no special config needed)
2. The real servers do not need to have the VIP address bound to
their interface (this would solve the ARP problem)
3. The Linux Director would need to rewrite the IP header (some
form of NAT) to change the Real Server IP to the Virtual Server IP
before the
packet was returned to the client. (this is the only way point
2. could work, right?)
In other words, I am still trying to resolve the problem in my
previous diagram, but I have removed the requirement of
if being LVS-NAT :-)
Could the solution be made up of some sort of LVS-DR/LVS-NAT
hybrid?
Thanks,
Serge
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