defrag

I have 3 exchange 2013 systems all in a DAG using physical servers and RAID 0

I have 1 DB per Disk

I am using auto reseeding.

I need to defarg one of my databases.

How do you recommend I do this?

March 16th, 2015 11:28am

Here's a blog from the Exchange Team on Database Defragging.  It's from 2010, but still applies to Exchange 2013. 

http://blogs.technet.com/b/rmilne/archive/2013/08/23/offline-defrag-and-dag-databases_2c00_-oh-my_2100_.aspx

Basically you will need to take the DB offline in order to do a real defrag on it.  What I would recommend to do instead, would be to create a new DB, move users to the new DB (it should be an online move, so users shouldn't notice) and then remove the old database.

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March 16th, 2015 11:34am

Basically you will need to take the DB offline in order to do a real defrag on it.  What I would recommend to do instead, would be to create a new DB, move users to the new DB (it should be an online move, so users shouldn't notice) and then remove the old database.


This is what Microsoft recommend and assuming the database isn't enormous is easier to do as it's all online.
March 16th, 2015 12:09pm

I agree, works best to just move all mailboxes and delete and re-create however my Public Folder Primary Hierachy PublicFolderRoot mailbox is on it, how do I move that??
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March 16th, 2015 3:38pm

I have 3 exchange 2013 systems all in a DAG using physical servers and RAID 0

I have 1 DB per Disk

I am using auto reseeding.

I need to defarg one of my databases.

How do you recommend I do this?

Why do you need to defrag it?
March 16th, 2015 3:41pm

Take a look at this:

https://technet.microsoft.com/en-us/library/jj906434(v=exchg.150).aspx

Free Windows Admin Tool Kit Click here and download it now
March 16th, 2015 3:42pm

Here's a blog from the Exchange Team on Database Defragging.  It's from 2010, but still applies to Exchange 2013. 

http://blogs.technet.com/b/rmilne/archive/2013/08/23/offline-defrag-and-dag-databases_2c00_-oh-my_2100_.aspx

Basically you will need to take the DB offline in order to do a real defrag on it.  What I would recommend to do instead, would be to create a new DB, move users to the new DB (it should be an online move, so users shouldn't notice) and then remove the old database.

March 16th, 2015 6:24pm

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