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DAG Questions

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DAG Questions - 29.Apr.2009 10:27:13 AM   
CMO6753

 

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Does the DAG eliminate the need for a passive node in a cluster? Meaning let's say if you setup 2 exchange 2010 servers couldn't you just have copies of the exchange DBs on each server? So if ServerA had 1 exchange DB, and you stored a copy on ServerB and vice versa.
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RE: DAG Questions - 29.Apr.2009 10:39:04 AM   
zbnet

 

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Yes, servers in the DAG don't have either an active or a passive status, the unit of replication is now the database. So with 2 servers in a DAG, and with 2 DBs, you can have a copy of each DB on each server; and you can have both DBs on one server as active (the term is Mounted), and both the backup copies (tagged as Healthy) on the 2nd server; or you could have 1 DB Mounted on each server, and have the backup DBs on the other server (so each server had 1 Mounted (Active) DB and one backup DB).

(in reply to CMO6753)
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RE: DAG Questions - 12.Jun.2009 2:48:24 AM   
suthuc

 

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I cannot add 2 servers to new DAG. One of 2 servers cannot start failover cluster service

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RE: DAG Questions - 22.Jun.2009 3:27:42 AM   
zbnet

 

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Problems with WFC can be caused if you don't run the command to create the DAG using Local powershell, and running As Administrator (no matter how many other domain admin groups the account is a member of).  See http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/1baca73d-371d-4b8d-87bd-867f38a8d59b for more details and help in this task.

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RE: DAG Questions - 22.Jun.2009 4:05:21 AM   
suthuc

 

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I'm sure that I used Local Power Shell with domain administrator rights.
My post is suthuc Thursday, June 18, 2009 4:12 PM
http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/1baca73d-371d-4b8d-87bd-867f38a8d59b
and there's no answer

(in reply to zbnet)
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