No active/active clustering in Exchange 12

by Volker Weber

I'm in a Exchange clustering session now, the speaker just told the best practices on choosing active/active or active/passive scenarios for Exchange clustering. ... Now Microsft highly discourages active/active scenarious, saying if you have that running switch to a active/passive solution. In Exchange 12 active/active support will even not be available!

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Comments

Wish I'd known that some weeks ado ;-)

Stefan Rubner, 2005-07-05 19:42

Doesn't really surprise me. MS never understood what clustering is all about.

Joerg Michael, 2005-07-05 21:02

That doesn't mean you can't have 5 active servers in a cluster, it
just means you should have a few deactive ones incase of a failure..

Having all active exchange servers and one fails results in an
increase in load to the other exchange servers, where as if you
have deactive ones then if one node fails, and a deactive kicks in,
the load on the existing servers doesn't change ..

Brett Heinz, 2005-07-06 00:55

Brett, correct me if I'm wrong, but: if there's no active/active failover anymore, you HAVE to have some passive servers up your sleeve whereas before you could run your shop with active servers alone ...

Stefan Rubner, 2005-07-06 04:00

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