Thursday, 29 September 2011

Part 8 - Setting up DAG on Exchange 2010 setup Multi-Tenancy

DAG is Exchange 2010 high availablility mode. This means that if a database corrupts or the server dies the flow of mail will not stop.


Before you do this you must know that the Windows server 2008 needs to be at least Enterprise Edition.


Also if you are planning on using more than 5 databases you will need Exchange Enterprise Edition also which hosts 100 databases.


So lets get started.


Use the cmdlet below and change the text in red to match your organisation.




New-DatabaseAvailabilityGroup -Name DAGname -WitnessServer Servername -WitnessDirectory  -WitnessDirectory C:
\Directoryonwitnessserver -DatabaseAvailabilityGroupIPAddresses 192.168.10.145(A free IP on the samevlan)


Add-DatabaseAvailabilityGroupServer DAGname -MailboxServer Firstmailboxserver


Add-DatabaseAvailabilityGroupServer DAGname -MailboxServer Secondboxserver


The above setups DAG and adds the 2 servers to it.


The below cmdlet copy's the database to server 2 and resumes it's ready for DAG



Add-MailboxDatabaseCopy -Identity 'Mailbox Database name' -MailboxServer 'Secondmailboxserver' -ActivationPreference '2'
Resume-MailboxDatabaseCopy -Identity 'Mailbox Database name\Secondboxserver'


Check the replication state of the server with:


Test-ReplicationHealth 'Firstmailboxserver'
Get-MailboxDatabaseCopyStatus -Identity 'Mailbox Database name'


Do the same as above but Visa versa for the other server.

No comments:

Post a Comment

Note: only a member of this blog may post a comment.