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Need to extend the design of our Exchange DAG to other Datacenters

Posted on 2011-09-15
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So we have 3 DAG member as mailbox server and 2 as our CAS/Hub - Total of 5 servers.  All Exchange 2010 Enterprise.  Our 3 mailbox servers have 3 databases each, all replicated between each other.

I need to come up with a DR plan to have a server or two across the ocean in another data center.  Is there an easy way to just add a CAS/Hub and a mailbox server and make it part of the DAG?
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Question by:stowyo
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Akhater earned 2000 total points
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yes sure, you are all set, provided the bandwidth is enough just add a server mailbox/cas/hub in the other datacenter and join it to your dag
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by:stowyo
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Well, we will have a 6MB link for replication.  So I simply stand two servers up over there and add em in and I'm set (one for the DAG and the second to add as a CAS/HUB member)?  Or should I be thinking also of dedicating part of the link for replication?
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by:Akhater
Akhater earned 2000 total points
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you don't need 2 servers you can set all 3 roles on one server.

It is advised to have a dedicated heartbeat network between the datacenters with no cross talk between the 2 networks but it is not a must.

As far as dedicating a part of the link it depends on how much is being used. You can start now and see how it goes, you can dedicate later
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