Simple Failover Configuration - Qlogic SANsurfer FC HBA Manager User Manual

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Simple Failover Configuration

Figure 2-2
adapters (A and B), three dual-ported devices (0–2), and two single-ported
devices (3 and 4).
Host X
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.
SN0054651-00 G
shows a simple failover configuration consisting of one host (X), two
Adapter
A
P
0
Adapter
A
B
Figure 2-2 Simple Failover Configuration
P
A
P
1 2 3
A
P
P = Preferred path
A = Alternate path
System Overview
Configurations
Target
4
Devices
P
2-3