Dell PowerVault TL4000 Dell PowerVault TL4000 Failover Configuration Guide - Page 14
Failover Reference Configuration 11
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Dell PowerVault™ TL4000/TL2000 Failover Guide Failover configuration (one host, one switch, two FC drives) Main Path Failover Path Figure 10: Reference Configuration 10 Failover Reference Configuration 11: One host with two dual port SAS HBAs and one PowerVault™ with one LT04 SAS and LT05 SAS drive In this configuration, failover occurs if one of the drives in the library fails (hardware failure or drive is disconnected from the HBA). In the event a single port in the SAS drive fails, failover will take effect and data will be streamed onto the same drive using the second SAS connection. In the event a SAS drive fails; failover will result on control path and data moved to the additional drive in the library The physical connection of this configuration is shown in Figure 11 14 | P a g e 12/31/09 version 2.0 Always refer to www.dell.com\support for latest documentation and updates
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