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vStart 1000m for Enterprise Virtualization using Hyper-V – Reference Architecture

Dell Inc. 22

to each of the two Compellent controllers. Domain 2 includes connections through the bottom 5100,

then to each of the two Compellent controllers. In this implementation, if one physical port fails, the

virtual port will move to another physical port within the same fault domain and on the same

controller.

6.6.9 Multi-pathing

For Windows Server 2008 R2, the built-in generic Microsoft DSM (MSDSM) provides functionality for Dell

Compellent. The multi-pathing solution uses the Round Robin load balancing algorithm to utilize all

available paths.

6.6.10 Fibre Channel Zoning

In the Dell vStart for Enterprise Cloud illustrated in Figure 10, FC zones are created on the Brocade

5100 FC SAN switches, such that each zone consists of one initiator (one HBA port per server) and the

Compellent FC ports.

Figure 10: SAN's FC Network and Zoning

6.6.11 iSCSI

In Dell vStart for Enterprise Cloud, iSCSI connectivity to SAN is presented to tenant VMs to create guest

clusters. The traffic separation is implemented by the VLAN.

6.6.12 Encryption and Authentication

Challenge Handshake Authentication Protocol (CHAP) is available for use on the Compellent Storage

Center.

B1 Fabric

B2 Fabric

Zone Node-16

Server Node 16 – WWN Port B1

Compellent Controller 1 – WWN Virtual Port 2

Compellent Controller 1 – WWN Virtual Port 4

Compellent Controller 2 – WWN Virtual Port 2

Compellent Controller 2 – WWN Virtual Port 4

Zone Node-1

Server Node 1 – WWN Port B1