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VMWare Vmotion (Migrate) & Exchange 2010 DAG

Posted on 2014-04-07
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So I am having an issue with the vshield web manager , when you access the web interface you get the spinning wheel.  Tried to do a restart of the web services as per KB and that didn't fix the issue.  Called VmWare and they want me to do a rolling reboot on our cluster of 3 hosts due to a long disconnected iscsi link.

After evaluating this I see an issue.  We run Exchange 2010 RTM with a DAG, Vmotion is not support from my searches.  Is the proper way, to failover the DAG to a mailbox server running on another host then shutdown and vmotion or vmotion the running mailbox server?  To complicate this we also have a email archiver whos database is not in a DAG due to best practices.
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Question by:silvercas
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by:Simon Butler (Sembee)
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Exchange 2010 RTM

Really? Any reason you haven't upgraded? I don't think that version is even supported any longer. If you have a DAG then you have no excuse as you can update the server.

As you have found, vmotion and the DAG is not supported on that version. Therefore I would just shutdown the guest, do a reboot and start it back up again, not using vmotion at all. I would also use it as a good excuse to get the platform upgraded to Exchange 2010 SP3.

Which email archiver isn't in the DAG? Whose best practise? Microsoft's or theirs?

Simon.
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by:silvercas
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really exchange 2010 DAG.  I inherited a mess where someone just clicked the install button and said were up and running.

Im going to start planning for the upgrade.

I have to flip datastores over before just shutting down the other mailbox, right?  The cashubs can be vmotioned as they dont have a DB really?

we are using the barracuda archiver and actually it is replicated to the other mailbox server.  Memory was not right at the time of posting.
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by:Simon Butler (Sembee)
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There is a proper script to use when you are doing maintenance on a DAG member. You switch the active database across then run the StartDagServerMaintenance.ps1 script. I think it is there in RTM.

If you have separate CAS role holders, then you need to service pack those to start with. Get the platform updated, I think you will see a lot of improvements in performance stability.

Simon.
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by:silvercas
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exchange 2010 rtm doesnt have that script.  appears the below article addressed the DAG

http://technet.microsoft.com/en-us/library/bb629560(v=exchg.141).aspx
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Simon Butler (Sembee) earned 500 total points
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I haven't seen RTM for so long I couldn't remember when the script was introduced.
As long as you do the CAS role holders first, you should be fine - the process is pretty straight forward.

Simon.
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by:silvercas
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great assistance
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