Testing Datacenter Failover
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Friday, March 16, 2012 5:58 AM
Hello All,
I have two MBX on primary site and one MBX on the DR Site. All three servers are part of the same DAG and are on different active directory sites. The DAC mode is enabled on the DAG. I want to test out the DR Scenario. Can anyone list down the steps? Thanks.
All Replies
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Friday, March 16, 2012 10:01 AM
Hi
Do you also have the HUB/CAS role installed on the MXB server or on a separate server in your DR site?
In this case if clients are able to connect to the failover site and the CAS and HUB roles are configured properly, you should be able to just make the DB's on the DR site active.
Please see http://technet.microsoft.com/en-us/library/dd979799.aspx for more info.
Good luck
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- Marked As Answer by Gavin-ZhangModerator Monday, March 26, 2012 2:43 AM
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Saturday, March 17, 2012 6:57 PM
- Marked As Answer by Gavin-ZhangModerator Monday, March 26, 2012 2:43 AM
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Sunday, March 18, 2012 5:47 PM
Thanks for the replies.
No HUB AND CAS are on different servers.
Through Technet Articles above. I have formed following steps. Kindly, confirm they are sufficient:
FAILOVER
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Site A
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1- Stop-DatabaseAvailabilityGroup –Identity DAG01 – ActiveDirectorySite SiteA –ConfigurationOnlySite B
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1- Stop-DatabaseAvailabilityGroup –Identity DAG01 – ActiveDirectorySite SiteA –ConfigurationOnly
2- Stop Cluster Service
3- Restore-DatabaseAvailabilityGroup –Identity DAG01 –ActiveDirectorySite SiteB
4- Move Active Mailboxes to SiteBMBXFAILBACK
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1- Restart MBX Servers on SiteA
2- Start-DatabaseAvailabilityGroup DAG01 –ActiveDirectorySite SiteA
3- Dismount Databases on SiteB and Move them to SiteA- Marked As Answer by Gavin-ZhangModerator Monday, March 26, 2012 2:44 AM
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Sunday, March 18, 2012 9:13 PMThat look OK. Dont forget the the little check like FSW config if using even nodes and general health checks.
Sukh
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Tuesday, March 20, 2012 8:34 AMModerator
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Saturday, March 24, 2012 3:26 PM
Yes. The steps work. The only thing to remove from steps is stoppage of cluster service. It is not required in SP1 AND SP2 BOXES. hope this helps.

