User guide

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
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