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List:       info-cyrus
Subject:    RE: [POLL] virtual domains and Murder
From:       Igor Brezac <igor () ipass ! net>
Date:       2002-07-25 15:24:43
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On Thu, 25 Jul 2002, Rob Siemborski wrote:

> On Thu, 25 Jul 2002, Jon Benson wrote:
>
> > > designed to support a single unified mailbox namespace, does it make
> > > sense to use Murder for virtdomains?
> > Yes.
>
> Maybe someone could clarify for me, since I haven't worked at an ISP in a
> while (and it seems that everyone who has answered this question has
> answered "yes")...
>
> Why is it important for the murder to include virtdomain support?  As it
> is, the virtual domains don't support cross-domain shared mailboxes, and
> the true benefit of a murder setup is that it allows a unified namespace
> much larger than a single server.
>
> Therefore, what's the payoff if you can't have shared mailboxes shared
> between domains?  From experience admining both a standalone Cyrus and a
> Murder, maintaining the standalone is much simpler, if only because the
> number of components is less.  Note that you can still scale cyrus to
> multiple servers using "traditional" IMAP proxys or loadbalancers or by
> playing games with DNS.
>
> So why do people want the added overhead of maintaining a murder, if the
> primary benefit-- the shared namespace across servers, is negated by the
> fact that virtual domains can't share mailboxes cross-domain?  If a single
> domain is big enough to span servers on its own, I'm betting you just want
> a separate murder for it anyway (or bigger servers ;).
>

I agree.  I do not see a benefit of Murder for virtdomains.  I believe
that it is cheaper and more effective to maintain multiple standalone
cyrus servers than implementing one big Murder server cluster.  I will use
Murder for clients that require one.

My .02c.

-- 
Igor











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