On Tue, Jan 13, 2009 at 12:32 PM, Frank Becker
<computersac...@beckerwelt.de> wrote:
> Hello together,
>
> I have successfully set up a master-master-replication between two
> servers. My question is: It is possible to set up such a replication
> between three (or more) servers? Like this
>
>
> Master3 --- Master1 --- Master2
>               |
>            Master4
>

These types of questions can always be answered by asking: "does my
proposed setup require any server to have more than one master?"  If
so, it's currently not possible.

You didn't draw arrows between the servers, so I can't really answer
you.  I can say that this is possible:

> Master3 <---> Master1 ---> Master2
>               |
>              v
>            Master4
>

but this is not:


> Master3 <---> Master1 <--- Master2
>               |
>              v
>            Master4
>

Why not?  Simply because in this diagram, Master1 is the slave of both
Master2 and Master3 which is impossible.

--
Baron Schwartz, Director of Consulting, Percona Inc.
Our Blog: http://www.mysqlperformanceblog.com/
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