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multi-site DAG and WAN links

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multi-site DAG and WAN links - 7.Mar.2012 2:14:09 AM   
MichaelCaditz

 

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Joined: 9.Dec.2011
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I have a multi-AD site DAG and have having quorum problems because the T1 WAN link has insufficient bandwidth to accommodate the regular business traffic (large image file transfers) as well as the DAG traffic.

So I have ordered a separate line (EoC) to add bandwidth. My idea is to dedicate the new EoC line to the DAG.

My questions:

1. Should I move both the MAPI and replicaton networks to the new line, or is there an advantage in separating them?

2. Does quorum depend on connectivity of the DAG members on the MAPI network, or on the replication network, i.e. on which network (or both) must quorum be maintained to prevent dismount of databases?
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