Dell PowerVault TL4000 Dell PowerVault TL4000 Failover Configuration Guide - Page 6

one host, two HBAs, two switches, two FC drives, Failover Reference Configuration 3

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Dell PowerVault™ TL4000/TL2000 Failover Guide Failover configuration (one host, two HBAs, two switches, two FC drives) Main Path Failover Path Figure 2: Reference Configuration 2 Failover Reference Configuration 3: One host with dual port SAS HBAs and one Dell PowerVault™ with two SAS drives In this configuration, failover occurs if one of the following occurs: ‐ One of the drives fails (hardware failure or is drive disconnected from the HBA port) ‐ One of the HBA ports fails ‐ One of the ports in a drive fails This configuration takes full advantage of path failover; it is protected via data and control path. The physical connection of this configuration is shown in Figure 3. Important Note: Dell Recommends Fibre Channel drives to be same generation. For Heterogonous configurations refer to section: Heterogonous Validated Configurations 6|Page 12/31/09 version 2.0 Always refer to www.dell.com\support for latest documentation and updates

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Dell PowerVault™ TL4000/TL2000 Failover Guide
6|
Page
12/31/09
version
2.0
Failover configuration
(one host, two HBAs, two switches, two FC drives)
Main Path
Failover Path
Figure 2: Reference Configuration 2
Failover Reference Configuration 3:
One host with dual port SAS HBAs and one Dell PowerVault™ with two SAS drives
In this configuration, failover occurs if one of the following occurs:
‐
One of the drives fails (hardware failure or is drive disconnected from the HBA port)
‐
One of the HBA ports fails
‐
One of the ports in a drive fails
This configuration takes full advantage of path failover; it is protected via data and control path.
The physical connection of this configuration is shown in Figure 3.
Important Note: Dell Recommends Fibre Channel drives to be same generation. For Heterogonous
configurations refer to section: Heterogonous Validated Configurations
Always refer to www.dell.com\support for latest documentation and updates