Implementing SharePoint Server 2010 on Dell vStart Solution - A Reference Architecture for a
SharePoint Server 2010 farm on vStart 100 Hyper-V Solution
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while the failback process is in progress. To avoid disruption of service for any critical applications, the
automatic failback was configured to occur only during non-peak hours. However, live migration can be
performed manually to failback the virtual machines to the preferred node without causing any service
disruption.
As shown in Figure 2, the two EqualLogic PS6100X storage arrays were used as two different storage
pools to isolate the VM store from SharePoint databases. In this architecture, the first EqualLogic array
was used for storing Clustered Shared Volume Quorum, Clustered Shared Volume for storing virtual
machine configuration, virtual machine hard disk files, SharePoint search query index, and as a backup
location for the SharePoint content stored on the second array. The second array—along with
production SharePoint content —was used to store the mirrored copies of the search query index. This
allows data protection by separating the VM store from where the SharePoint production databases are
stored. Also, these arrays are equipped with redundant storage controllers and power supplies to
protect against any power or controller failures.
NOTE: Backup and recovery procedures or tools are not a part of the vStart infrastructure or discussed
in this paper. This needs careful planning to protect the SharePoint farm against any unexpected
failures at the storage subsystem.
In this SharePoint farm deployment, RAID 10 was configured on the EqualLogic storage arrays. It is also
the recommended
RAID type for storing SharePoint content. RAID 10 generally provides better
performance in random I/O situations and provides efficient disk rebuild process in the case of a drive
failure scenario.
Network architecture
The network traffic in this Sharepoint 2010 solution is comprised of eight distinct types:
Pre-Configured Hypervisor Networks
o Live Migration network
o Hyper-V Cluster Private Network
o Hyper-V Host Management Network
o Out-of-Band Management network
VM networks for SharePoint
o SharePoint Farm network
o SQL Cluster Private communication
o iSCSI network for SQL Database, Search Index, and CSV access
o Web Front-End NLB cluster communication
The vStart infrastructure provides two separate networks created to support the network types
described above:
LAN – Local Area Network - This network supports Hyper-V host management, Farm network, Live
Migration, Hyper-V Cluster Private, SQL Cluster Private Communication, WFE NLB Communication, and
Choosing RAID types for SharePoint 2010 SQL Storage: http://technet.microsoft.com/en-
us/library/cc298801.aspx#Section33
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