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-   -   not all masters are born equal? (http://www.linux-archive.org/fedora-directory/417612-not-all-masters-born-equal.html)

Rich Megginson 08-24-2010 05:31 PM

not all masters are born equal?
 
Gerrard Geldenhuis wrote:
> Hi
> Just wanted to double check; We have not created replication agreements between all masters and in some instances it might take 2 hops for a change to be replicated everywhere. We are happy with this trade-off in delay for simplicity. Are we breaking some cardinal rule regarding multi-master or is this acceptable? The idea is to have edge servers in each DC that speaks to other DC edge servers and internally things are more verbal.
>
> A simplified attempt at a diagram. changes in dc1master02 will take two replications before it reaches dc2master02
>
> dc1 dc2
> master02 <-> master01 <-> master01 <-> master02
>
> This question pertains both to a shared NetscapeRootDB and userDB databases.
>
This is fine. You don't have to have all masters connected directly to
all other masters. Daisy chain, hub-n-spoke, and other topologies are
acceptable.
>
> Best Regards
>
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