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Dell PowerVault™ TL4000/TL2000 Failover Guide

Failover configuration

(Host with dual port HBAs, two FC switches, and two FC drives)

Main Path

Failover Path

Figure 4: Reference Configuration 4

Failover Reference Configuration 5:

Two hosts with dual Fibre Channel HBAs, two Fibre Channel switches and one Dell

PowerVault^*^ with two Fibre Channel drives

In this configuration, failover occurs if one or more of the following occurs:

- One of the drives fails (hardware failure or is drive disconnected from the HBA port)

- One of the HBA controllers fails

- One of the switches fails

The physical connection of this configuration is shown in Figure 5.

Important Note: Dell Recommends Fibre Channel drives to be same generation. For Heterogonous

configurations refer to section: Heterogonous Validated Configurations

8|Page 12/31/09 version 2.0

Always refer to www.dell.comXsupport for latest documentation and updates

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