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Re: MTA (SMTP/POP) + LVS

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: MTA (SMTP/POP) + LVS
From: François Chenais <francois@xxxxxxxxxxx>
Date: Wed, 21 Apr 2004 14:46:55 +0200
Le mer 21/04/2004 à 14:34, Joseph Mack a écrit :
> François Chenais wrote:
> >
> > if the pop policy is roundrobin, how can I be sure I'll not retrieve the
> > same mails from 2 real servers ?
> 
> LVS doesn't have any general mechanism for the client to write to realservers
> (in this case delete). It is only for reading. You have to solve the writing
> problem outside LVS. I don't know how the POP people solve this problem.
>
I don't know (but would like to :-) but it works because, usually,  the
command [host pop.provider.net] returns more then 1 IP address. 

> The simplest solution (although a bit of a hack) is to have the same mail
> spool directory exported to all realservers. 

Yes but it's not safe if the disk (or the server hosting the disk)
brakes. 

> Joe

        François

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