Failover configuration, Heterogeneous validated configurations – Dell PowerVault TL4000 User Manual
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Dell PowerVault^*^ TL4000/TL2000 Failover Guide
Failover configuration
(one host with three dual port NBAs, and three SAS drives)
Main Path
Failover Path
Figure 9: Reference Configuration 9
Important Note: This configuration can be extended up to four drives provided the host system can
support four dual SAs NBAs.
Heterogeneous validated configurations
Heterogonous configurations have some limitations, if the configuration contains LT04 and LT05 drives,
the Library must contain only LT04 media for proper operations.
Important Note: Heterogeneous configurations containing LT03 drives are not supported
Failover Reference Configuration 10:
One host, one Fibre Channel switch and one PowerVault^*^ library configured with one LT04
Fibre Channel and one LT05 Fibre Channel drive
In this configuration, failover occurs if one of the drives in the library fails (hardware failure or drive is
disconnected from the Fibre Channel switch). The physical connection of this configuration is shown in
figure 10
1 3 j P a g e
1 2 / 3 1 / 0 9 v e r s i o n 2 . 0