User guide

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Dell PowerVault™ TL4000/TL2000 Failover Guide
Failover configuration
(one host, one switch, two FC drives)
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Main Path
Failover Path
Figure 1: Reference Configuration 1
Failover Reference Configuration 2:
One Host with one dual port Fibre Channel HBA, two Fibre Channel switches and one Dell
PowerVault^*^ with two Fibre Channel drives
In this configuration, failover occurs if one of the following occurs:
- One of the drives in the library fails (hardware failure or drive is disconnected from the Fibre
Channel switch)
- One of the switches fails
- One of the HBA ports fails
The physical connection of this configuration is shown in Figure 2.
Important Note: Dell Recommends Fibre Channel drives to be same generation. For Heterogonous
configurations refer to section: Heterogonous Validated Configurations
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