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Re: Mailserver on LVS

To: tc lewis <tcl@xxxxxxxxx>
Subject: Re: Mailserver on LVS
Cc: Madhav <msp@xxxxxxxxxxxx>, lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: Jeremy Hansen <jeremy@xxxxxxxxxxxxx>
Date: Thu, 20 Apr 2000 15:27:49 -0400 (EDT)
If the qmail queue is on the same filesystem, I believe it should be ok
since qmail writes it's queue files as the name of the inode on the
filesystem.  This should keep things unique, I think.

-jeremy

> 
> i've never tried it with coda, but i've used qmail+lvs successfully.  if
> you use tcpserver, there's some flag to turn off ident lookups.  use that,
> or you'll get major bad performance.
> 
> you're going to share the queue and have both qmails running at the same
> time?  hmm, that could get messy.  i'm not sure if qmail handles that
> safely or not.  it indeed might.  if you're just going to use it for
> failover safety, that shouldn't be an issue, but both going at the same
> time with a shared queue dir?  hum...
> 
> -tcl.
> 
> 
> On Thu, 20 Apr 2000, Madhav wrote:
> 
> > Hi all,
> > 
> > We have set up a LVS cluster with heartbeat, mon and coda(2 routers+2 real
> > servers) for telnet,ftp and http services. I am planning to implement the
> > mail service also in this setup.
> > 
> > Now I have installed qmail in one real server and it is working fine. I am
> > planning to install qmail under coda(usually qmail directory will be under
> > /var/qmail) so that I can have replication of mail data(with coda) and also
> > masking of the failed mail server(with mon). I would like to know whether
> > anyone tried this earlier and if not can anyone foresee any problems with
> > this setup(like both the mail servers trying at the same time to send mails
> > from the same mail queue)?.
> > Any suggestions or ideas will be appreciated.
> > 
> > Thanks,
> > Madhav
> > 
> > 
> > 
> > 
> 
> 
> 

-- 

http://www.xxedgexx.com | jeremy@xxxxxxxxxxxx
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