DAG backup with different tools

Hi,

I have two Exchange 2013 servers, CAS and Mailbox role on both and DAG between.

And one unusual setup (maybe :-)) One node is on Hyper-v, another is on VM-ware. VM-ware is backuped with Veeam, and Hyper-V with Microsoft DPM.

Can I (should I?)  backup different DAG nodes (in different time, ofc.) with different tools. Is that possible or advisable ?

Thank you

July 16th, 2015 3:58am

Are you talking about backing up server OS or Exchange database?
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July 16th, 2015 4:09am

Are you talking about backing up server OS or Exchange database?

I am primary interested in Exchange database backup. 

I hope that I can do backup of Exchange database and flush logs with both backup tools.(because one sometimes dont work)

Is that possible?

July 16th, 2015 6:07am

Hi

Veeam and DPM can backup exchange and both flush the logs. DPM is an awesome backup tool i have found and use it at alot of customers.

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July 16th, 2015 9:00am

Hi

Veeam and DPM can backup exchange and both flush the logs. DPM is an awesome backup tool i have found and use it at alot of cust

July 16th, 2015 9:21am

I personally like the idea of installing the agents on the nodes themselves and treating them like physical machines.  Mostly because I only care about backing up the databases.  If the server crashes I'm going to rebuild the OS and reinstall exchange with the recoverserver switch.  

I'm not too familiar with DPM, but I know 3rd party vendors like CommVault and Backup Exec allow you to install their agents on each mailbox server and can be configured to backup only passive copies of the database so the load of a backup is not competing with the user's access to their mailboxes.

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July 16th, 2015 9:31am

No, dpm requires an agent and will stamp the logs, if you bring another tool in to flush the logs it will render your backups inconsistent. you need to select 1 or the other.

Also remember you cannot snapshot exchange servers as they process data realtime.

July 16th, 2015 10:26am

Are you talking about backing up server OS or Exchange database?

I am primary interested in Exchange database backup. 

I hope that I can do backup of Exchange database and flush logs with both backup tools.(because one sometimes dont work)

Is that possible?


For database in DAG, you only need to backup a single copy. The transaction log on all copies will be truncated upon successful backup of a single copy.

Actually you'll most likely hit problem if you backup both copies seperately.
  • Edited by Li Zhen 15 hours 36 minutes ago
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July 16th, 2015 11:56am

Are you talking about backing up server OS or Exchange database?

I am primary interested in Exchange database backup. 

I hope that I can do backup of Exchange database and flush logs with both backup tools.(because one sometimes dont work)

Is that possible?


For database in DAG, you only need to backup a single copy. The transaction log on all copies will be truncated upon successful backup of a single copy.

Actually you'll most likely hit problem if you backup both copies seperately.
  • Edited by Li Zhen Thursday, July 16, 2015 3:53 PM
July 16th, 2015 3:52pm

Hi,

Exchange 2013 supports only Exchange-aware, VSS-based backups. To back up and restore Exchange 2013, you must use an Exchange-aware application that supports the VSS writer for Exchange 2013, such as Windows Server Backup (with the VSS plug-in), Microsoft System Center 2012 - Data Protection Manager, or a third-party Exchange-aware VSS-based application.

Why dont you use DPM too to backup both Exchange in Hyper-v and VM-ware? Here are some articles for your reference:

http://blogs.technet.com/b/meamcs/archive/2010/12/03/why-dpm-2010-and-hyper-v-are-better-together.aspx

https://technet.microsoft.com/en-us/library/dd876874.aspx

Regards,

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July 19th, 2015 10:54pm

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