Dell Micrsoft Hyper-V Server 2008 Manual do Utilizador descarregar pdf (Página 11)

Implementing SharePoint Server 2010 on Dell vStart Solution - A Reference Architecture for a

SharePoint Server 2010 farm on vStart 100 Hyper-V Solution

Figure 2 SharePoint 2010 on vStart - High level architecture overview

As shown in Figure 2, the SharePoint 2010 farm roles were placed across all three available hypervisor

servers in the Hyper-V cluster. This recommended placement of virtual machines enables equal load on

all the hypervisor servers. For each virtual machine in the Hyper-V cluster, preferred node

configuration ensures that the virtual machines always start on their preferred node. Also, the

preferred node configuration allows specification of the failover node to which the VM must move in

case of any Hyper-V host level failure. This configuration ensures the overall Hyper-V cluster is equally

loaded even in the case of a Hyper-V node failure. The following table shows the preferred owner and

failover node configuration for each SharePoint farm role in this architecture.

Table 3 SharePoint 2010 farm role placement and failover configuration

SharePoint farm role

Preferred owner

Preferred failover node

Web Front-End 1 (WFE1)

Hyper-V Host 1

Hyper-V Host 2

Web Front-End 2 (WFE2)

Hyper-V Host 3

Hyper-V Host 2

Application Server 1 (APP1)

Hyper-V Host 3

Hyper-V Host 1

Application Server 2 (APP2)

Hyper-V Host 2

Hyper-V Host 1

Database Server 1 (DB1)

Hyper-V Host 1

Hyper-V Host 3

Database Server 2 (DB2)

Hyper-V Host 2

Hyper-V Host 3

The failback configuration was enabled to ensure that the virtual machines (or SharePoint farm roles)

failback to the preferred nodes once the failed node state gets restored to normal state. This allows

movement of virtual machines back to the preferred nodes to balance the virtual machines across the

Hyper-V Cluster. However, failing back a virtual machine to a preferred node involves saving the state

of the virtual machine and restoring the same on preferred owner. This causes disruption in service

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Dell Micrsoft Hyper-V Server 2008 Manual do Utilizador Página 11