[lvs-users] Piranha LVS-NAT to LVS-DR migration

George Machitidze giomac at gmail.com
Wed Mar 4 14:22:27 GMT 2009


Thanks Graeme,

LVS-DR part of howto is a bit confusing me - it's better to check mini :)

Seems like on router i need to switch to dr mode and on realserver to check
arp issue and assign virtual ip's, that's all I hope :)


On Wed, Mar 4, 2009 at 5:38 PM, Graeme Fowler <graeme at graemef.net> wrote:

> On Wed, 2009-03-04 at 17:00 +0400, George Machitidze wrote:
> > I am running LVS-NAT with Piranha on Fedora 10, I am very satifsfied, but
> > the only problem that I have is that realservers cannot access external
> VIP
> > of LVS router.
>
> This is covered in some depth in the LVS HOWTO.
>
> The short explanation is that this isn't possible; the longer answer is
> that it might be, but it depends very much on your requirement and local
> circumstances as to whether you can make it work.
>
> Most notably, using LVS-DR requires the VIP to be bound to a
> loopback/dummy/other adapter on the realservers (httpd servers in your
> case) which would result in all connections from those servers to the
> VIP being handled locally.
>
> Graeme
>
>
> _______________________________________________
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-- 
BR,
George Machitidze



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