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Disaster Recovery Testing and rollback in Exchange 2007

Posted on 2009-04-08
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Last Modified: 2012-06-21
We are currently putting together the project plan to update our exchange environment from 2003 to 2007.  Currently for our DR scenario we have an EVS (cluster) at our main Datacenter and a passive cluster at our DR Datacenter.  We use Netapp to take snapshots and ship them to the DR site.  The EVS is brought up for the test and then destroyed before bringing the link back up between the sites.  

For 2007 we are looking at using the SCC to SCR model for DR.  We would ship the logs to our DR site and bring up the server that way.  But I cannot find any documentation on how to then ship that data back to the main Datacenter or what the tear down steps would be before bringing the link back up.  I can find lots of documentation on how to bring the DR site up with various techniques but I cannot find what to do when we want to bring the main site up and either destroy the DR test information (what we do now) or ship the information back to the main site (what we want to do).
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Question by:SAIonline
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Expert Comment

by:SysExpert
ID: 24143571
Not sure, but When I do testing, I simply recreate the DR site at the production site, so the process for doing a DR FAIL Over, or a recovery back to the main site is almost the same, so in essence you would do the same log shipping back to your main site, as soon as your DR site is up.

Unfortunately, not an expert on 2007 yet.

I hope this helps !
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by:SAIonline
ID: 24143877
I have been doing some more research and I think we are going with the SCR option from a standard cluster.  The biggest obstacle is that it looks like we will need to re-seed our production environment after we bring up the DR environment.  If that is a long process that will not work as our rollback window is only a few hours. Any ideas on how to not have to re-seed the original environment?
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Accepted Solution

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SysExpert earned 500 total points
ID: 24144499
I see the problem, but do not know of any solutions offhand.

If at all possible test in a Lab environment or VM

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Author Comment

by:SAIonline
ID: 24150466
Thank you.  I am building the solution in our test environment as we speak.
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Author Closing Comment

by:SAIonline
ID: 31568111
If you would like to know how it turns out let me know at aacker@saionline.com.  I should be ready to test the theory in a week or two.

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