Exchange 2013 DAG backup

Experts out there,
How is the log being truncated in a DAG environment?
Do we have to perform a full backup to truncate the logs in DAG or copy backup?
LVL 2
sara2000Asked:
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RoninCommented:
You backup single node.
The long answer.
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sara2000Author Commented:
Does DAG truncate logs without full backup?
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RoninCommented:
Not that I ever saw.
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MASEE Solution Guide - Technical Dept HeadCommented:
Event ID 2005
Event ID 9811
Event ID 224
Event ID 9780
Can you see these logs?
These are the events logged when backing up and purging the logs.
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sara2000Author Commented:
I am not running the backup yet, I am researching about the backup whether we need full/copy backup for Exchange 2013 in DAG where circular logging disabled.
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Daryl GawnSystem AdministratorCommented:
you should take a semi regular full backup then inbetween use a differential or incremental depending on what your recovery objectives etc are and resources available.

Most incremental backups should clear the logs if that is what you are wanting to achieve without running a full backup.

In your dag, when you backup 1 of the copies of 1 database. It will if it works properly clear the logs on the other copies.

I prefer to use the passive database to backup.

What product will you be using to backup?
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