System Overview
Configurations
SN0054651-00 G 2-3
A
Simple Failover Configuration
Figure 2-2 shows a simple failover configuration consisting of one host (X), two
adapters (A and B), three dual-ported devices (0–2), and two single-ported
devices (3 and 4).
Figure 2-2 Simple Failover Configuration
In this configuration, connections marked P are preferred paths to a device, and
connections marked A are alternate paths. Alternate paths to devices are typically
hidden from the operating system and file system layers to keep them from being
interpreted as two distinct devices.
Host X
A
B
01234
Target
Devices
P
P
P
P
P
A
A
A
P = Preferred path
A = Alternate path
Adapter
Adapter
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