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Re: [lvs-users] Keepalived, localnode and localnode on BACKUP

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Keepalived, localnode and localnode on BACKUP
From: Thomas Pedoussaut <thomas@xxxxxxxxxxxxxx>
Date: Tue, 22 Apr 2008 13:46:08 +0100
Graeme Fowler wrote:
> Hi
>
> On Tue, 2008-04-15 at 13:31 +0100, Thomas Pedoussaut wrote:
>   
>> I came across the packet storm problem where when the MASTER forwards a 
>> connection to the real server on the BACKUP (via DR), the BACKUP treats 
>> it as a VIP connection to be loadbalanced rather than a real server 
>> connection to process. And decides to load balance it back to the MASTER 
>>     
>
> You need a variant of the following two posts:
>
> http://lists.graemef.net/pipermail/lvs-users/2007-December/020222.html
> http://lists.graemef.net/pipermail/lvs-users/2007-December/020223.html
>
> Essentially, you make LVS use fwmarks instead of the VIP, and you only
> mark packets which are *not* from the other director.
>   

Works like a charm, stable for the last 7 days now.

Thanks
-- 
Thomas


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