Microsoft Exchange 2010 on Dell Systems: Simple Distributed Configurations
5
Introduction
Overview
This Microsoft
®
Exchange 2010 solution architecture manual contains possible configurations that can
be used to architect your Exchange 2010 infrastructure. Samples in the manual are intended to serve as
a reference or example for organizations whose requirements are similar. Each organization’s
requirements can differ significantly, though, and include items not accounted for in these
configurations (e.g. message hygiene or third-party archiving). For a configuration sized to your
specific requirements, please contact your Dell representative or use the Dell Exchange 2010 Advisor
tool at Dell.com/Exchange.
Finding Your Solution
Sample configurations for Microsoft Exchange on Dell server and storage hardware are provided in
three manuals available from the Dell.com/Exchange landing page to help you find an appropriate
solution for your needs. The three documents, which correspond to the three Dell Exchange 2010
architecture models, each contain multiple configurations of varying sizes, requirements and hardware
choices.
Small and Branch Office Model Configurations ideal for small and branch offices with up to
1,000 mailboxes.
Simple Distributed Model (this manual): Configurations that are streamlined, dedicated to
Exchange, use internal server storage or direct-attached storage (DAS) and take the most
advantage of the new high availability (HA) and replication features of Exchange 2010.
Agile Consolidated Model: Configurations optimized for a shared, consolidated, and possible
virtualized infrastructure.
About the Simple Distributed Model
These configurations have been designed for larger organizations (1000+ mailboxes) primarily
interested in simplicity and ease of management. The model leverages the high-availability and
disaster recovery features native to Exchange Server 2010 to help deliver robust, highly available
Exchange environments in a simple, cost-effective manner. In particular, the simple distributed model
utilizes Exchange 2010 Multi-role (Mailbox,HUB,CAS) server and storage ―bricks‖ that can be combined
to cost-effectively deliver performance and high availability. A brick can be either a single storage-
dense rack server, such as the Dell PowerEdge 12th generation PowerEdge™ R720xd, or the R620
combined with direct attached storage (DAS), such as the Dell PowerVault™ MD1200/1220 enclosure.
The External Storage Distributed model uses disk enclosures attached as DAS via a RAID controller to
the Mailbox or Multi-role server. Compared to the Internal Storage Distributed Model, this model
provides additional growth in terms of both capacity and IO per server by increasing the number of
arrays connecting to each server. This model can make maximum use of server resources with multiple
storage enclosures before scaling out the configuration for future expansion needs. This option
typically fits the needs of large or growing organizations that require larger mailboxes and large IO
requirements.
(24 pages)
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