Exchange 2007 Storage Group Design
Hi, Our current Exchange 2007 environment consists of 2 x Mailbox Servers (SAN Boot, SAN Exchange Storage) & 1 x HUB / CAS server (SAN Boot & SAN Storage). We are experiencing performance issues for users on one of the mailbox server that hosts a disproportionate number of mailboxes (2.5 TB v 0.75 TB on the second server). Our plan is to stand up 3 new mailbox servers (the user base is due to expand in the near future) and disperse the mailboxes across the servers in a more proportional manner. I'm now considering my options for designing the storage groups for the new mailbox servers. Traditionally I would gather performance counters from the current infrastructure (number of emails sent/received, average message size and mailbox quota limits) and would run these figures through the Exchange Calculator. From here I would work out how many mailboxes could be hosted on a 150GB LUN and design the layout as such. My question is whether this is the best approach? Is there a better approach to follow? Any advice would be appreciated! Thanks in advance. Andrew
April 26th, 2012 9:58am

Recommendation is, keep on database in one storage group. What kind of performance issue you are facing?Gulab Prasad, MCITP: Exchange Server 2010 | MCITP: Exchange Server 2007 MCITP: Lync Server 2010 | MCITP: Windows Server 2008 My Blog | Z-Hire Employee Provisioning App
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April 26th, 2012 11:07am

Hi Andrew, About how to caluate the mailbox server for your requirement, you could refer to below: http://blogs.technet.com/b/exchange/archive/2009/11/09/exchange-2010-mailbox-server-role-requirements-calculator.aspx Regards!Gavin TechNet Community Support
April 30th, 2012 6:08am

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