CAS Array Questions

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D

DG1212

I have two question regarding CAS arrays:

1) Can a DAG and CAS array (NLB) exisit on the same Exchange 2010 SP1 server?

2) How can I make the DAG/CAS failover a manual process?

Thanks
 
J

Jonas Andersson [MCITP]

I have two question regarding CAS arrays:

1) Can a DAG and CAS array (NLB) exisit on the same Exchange 2010 SP1 server?

2) How can I make the DAG/CAS failover a manual process?

Thanks
1. Have been answered earlier

2. You can use DAC mode withing the DAG

http://technet.microsoft.com/en-us/library/ff625233.aspx

Copy and paste from the link above:

Enhanced Datacenter Activation Coordination Mode Support

Exchange 2010 RTM includes a configuration mode for DAG site resilience support called Datacenter Activation Coordination (DAC) mode. In DAC mode, Exchange cmdlets can be used to perform a data center switchover. In the RTM version, DAC mode is limited to DAGs with at least three members that have at least two or more members in the primary data center.

In Exchange 2010 SP1, DAC mode has been extended to support two-member DAGs that have each member in a separate data center. DAC mode support for two-member DAGs uses the witness server to provide additional arbitration. In addition, DAC mode has been extended to support DAGs that have all members deployed in a single Active Directory site, including single Active Directory sites that have been extended to multiple locations.

Jonas Andersson MCTS: Microsoft Exchange Server 2007/2010 | MCITP: EMA 2007/2010 | MCSE/MCSA Blog: http://www.testlabs.se/blog
 
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