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Exchange 2010 DAG - Database Copy Size

GSLBermuda
GSLBermuda asked
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Last Modified: 2012-08-13
Good day,

I have a server (Exchange 2010 SP1 Rollup 5) with a couple of mailbox databases. I created a 2nd mailbox server and configured a DAG with the two mailbox servers as a member of it. I create a copy of one of the mailbox databases, which seemed to go along, but then its status was failed. I re-ran it from the powershell, with the parameter to delete the exisiting database files and it seemed to do it, but still the copy end up as failed.

Now, without trying to fix the above issue immediately, I first would like to know, the original EDB file and its copy, are they supposed to be exactly the same in size and date/time if the database copy is working correctly? Or can the "target" be smaller in size for whatever reason. Or would a smaller "target" be an indication something went wrong? Or maybe the "seeding" can actually compress the size of the EDB?

Same question for the number and names of logfiles? Are they supposed to be identical all the time?

Thank you
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