Q-Logic 8100 SERIES 用户手册

下载
页码 348
8–Configuring FCoE in a Linux Environment
Boot-from-SAN
FE0254601-00 A
8-33
Figure 8-12. Single-Path Topology
Multipath Topology
The multipath topology provides fault tolerance through redundant SAN 
components: two adapter ports, two converged networking switches, and access 
to the boot LUNs through two independent storage array controllers. 
shows the SAN components and their connections. The server has access to the 
primary and alternate boot LUNs through two independent paths. A single point of 
failure is unlikely with this configuration. You can enhance this configuration 
further by adding more adapter ports that connect to the converged networking 
switches. This added level of redundancy protects against adapter board failures.
Server
Adapter Port 1
Converged 
Networking Switch
Controller A
Storage Array
LUN 1 Primary Boot Device
LUN 2 Alternate Boot Device
LUN 3 Alternate Boot Device
LUN 4 Alternate Boot Device