[Mailman-Users] Mailman and multimaster redundancy

[Ivan Fetch]

Hello,

    However, you can't have two instances of Mailman running at the same 
time, acting on the shared data storage (lists, archives, Etc) correct?


- Ivan Fetch.

On Fri, 4 Nov 2005, Brad Knowles wrote:

> At 10:24 PM -0500 2005-11-03, Mordechai T. Abzug wrote:
>
>>  I'd like to set up GNU Mailman for high-availabilty via multimaster
>>  redundancy, ie. with two servers such that configuration and
>>  subscription changes can occur on either server and will automatically
>>  be propagated to the other server.
>>
>>  Can GNU Mailman do this?
>
> 	Mailman wasn't really designed to do this sort of thing, but
> there are some features it does have which makes something along
> these lines at least achievable.
>
> 	It is easy enough to split up the incoming mail server(s),
> outgoing mail server(s), and front-end proxy web server(s) onto
> separate machines.
>
> 	Splitting the Mailman instance itself is a bit more difficult,
> and would need to be done via NFS or other shared network storage
> facility with the appropriate file locking mechanisms, etc....  Using
> NFS for this may tend to make the overall installation more brittle
> and less reliable, because many vendors don't fully or properly
> support NFS or shared network storage to the level that you would
> need/desire.  But, that may still be the best method available to you.
>
>
> 	I don't know if there is a FAQ entry on this subject in
> particular, but you should search the FAQ Wizard for "performance",
> and search the archives of this list.  It shouldn't be too hard to
> turn up some relevant messages on this topic.
>
> -- 
> Brad Knowles, <brad at stop.mail-abuse.org>
>
> "Those who would give up essential Liberty, to purchase a little
> temporary Safety, deserve neither Liberty nor Safety."
>
>     -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
>     Assembly to the Governor, November 11, 1755
>
>   SAGE member since 1995.  See <http://www.sage.org/> for more info.
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