Dell POWERVAULT MD1000 - Manual (Page 9)

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Figure 1. Supported Hardware Configuration
Figure 2. Max Configuration on a Single PERC 5/E or PERC 6/E Controller (both ports connected)
The PERC 6/E adapter can detect and use redundant paths to drives contained in an MD1000 enclosure. With
redundant paths, if one path fails, another path can be used to communicate between the controller and the
hard drive.
NOTE: Redundant Path connectivity is not supported on PERC 5/E
Host controller Host controller
Split Mode
Single-host configuration
Host controller Host controller
Two-host configuration
Host controller
Unified Mode
Unified Mode single-HBA host server