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Re: Fedora 7 Launch



Hey Mike,

I have seen:

if you want to balance the load to the 3 addresses 10.0.0.5, 10.0.0.6
and 10.0.0.7, then you can do as follows :

# iptables -t nat -A POSTROUTING -o eth0 -m nth --counter 7 --every 3
--packet 0 -j SNAT --to-source 10.0.0.5
# iptables -t nat -A POSTROUTING -o eth0 -m nth --counter 7 --every 3
--packet 1 -j SNAT --to-source 10.0.0.6
# iptables -t nat -A POSTROUTING -o eth0 -m nth --counter 7 --every 3
--packet 2 -j SNAT --to-source 10.0.0.7

Do you have a box that can act as a dedicated balance loader while FC
7 is being released

On 11/05/07, Mike McGrath <mmcgrath redhat com> wrote:
Damian Myerscough wrote:
> Hey Mike,
>
>> 3) Proxy server upgrades.  Right now our proxy servers are running stock
>> RHEL4.  We've been meaning to upgrade them to RHEL5 for a while now but
>> they are on a different network segment then the rest of our hardware
>> and as such we cannot easily pxe boot them (it would involve a request
>> to the SOC).  I'm going to put a plan together to do this and minimize
>> any risk that may come up.  The main benefit being mod_proxy_balancer.
>> I'm still hoping we can acquire some hardware balancers but this will
>> help us limp along for this release :)
>
> Have you looked at using iptables for load balancing? Nth module could
> help with this.

Honestly I didn't.  I thought about using some of the RH clustering
suite but it will add a bit more overhead then we want for our current
environment.  Do you have a link to some good documentation for iptables
based load balancing?

    -Mike

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--
Regards,
 Damian


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