Misunderstanding of MUPDATE ?

Rob Siemborski rjs3 at andrew.cmu.edu
Mon Apr 28 09:18:45 EDT 2003

On Mon, 28 Apr 2003, Christian Schulte wrote:

> So what does that mean for the backends exactly ?
> Are all mailboxes from all backend servers accessible through the
> backends or is the whole murder only accessible through the frontends ?
> So users connecting to the wrong backend cannot access theire mailbox
> and get an error ?

The whole murder is only accessable throughy frontends.  If, for some
reason, a user connected to a backend that didn't have the mailbox they
wanted on it, they couldn't access it.

> Only frontend-servers proxy for all backends and one backend-server
> alone does not proxy for other backends and pushes local changes to the
> mupdate master to make the changes available for the frontends ?

I'm not sure I follow this question.

Only frontends proxy.  Only backends serve data.  There is no replication
of the mailbox data.


Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper

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