To: MS-Exchange Admin Issues
Subject: Re: Exchange 2010 Migration Planning - Database Size?
The database size recommendations are based on your RTO. If you're
relying on tape backup, keep the DBs under 200GB. If you have more than
3 copies of your DBs in a DAG, than the size recommendations
I've been getting conflicting suggestions on the sensible maximum database size
to use when we go to Exchange 2010.
Initially we should be going with a single HT/CAS/MBX box with a view to
perhaps bringing in a DAG pretty soon.
Some people are suggesting 200gb is the biggest they'd let a
Issues
Subject: Exchange 2010 Migration Planning - Database Size?
I've been getting conflicting suggestions on the sensible maximum database size
to use when we go to Exchange 2010.
Initially we should be going with a single HT/CAS/MBX box with a view to
perhaps bringing in a DAG pretty soon
The database size recommendations are based on your RTO. If you're relying
on tape backup, keep the DBs under 200GB. If you have more than 3 copies of
your DBs in a DAG, than the size recommendations will grow. Read this
http://msexchangeteam.com/archive/2009/11/09/453117.aspx and download the
I've read documentation indicating a fine tuned deleted
item retention policy and an enforceable mailbox quota policy should be
considered when looking at DB sizing as well.
Disclaimer: I'm not an exchange expert and currently have 3 DB's all under
200GB each. Also, interested in how other admins
