Sun Microsystems StorEdge T3+, Installation And Configuration Manual

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Chapter 12 Post-Installation Array Cabling 151
Enterprise Configurations
The following rules configuration rules apply to enterprise (partner group)
configurations (
FIGURE 12-3
):
■
The interconnect ports, which are used only in enterprise configurations, cannot
be used for host connections.
■
The FC-AL connection provides a data path to the application host.
■
The Ethernet connection provides a link to the management host.
■
The serial port is used solely for diagnostics and service by qualified service
personnel only.
■
Fiber-optic cable lengths between 2 and 500 meters, using short-wave laser and
50-micron fiber-optic cable, are supported.
This configuration is optimal because it provides full redundancy to the application
hosts. Failover mechanisms are provided within the arrays, but the application host
has to provide data-path failover mechanisms, such as Dynamic Multi-Pathing from
VERITAS Volume Manager or Alternate Pathing from Sun Enterprise Server
Alternate Pathing.
FIGURE 12-3
Enterprise Configuration
Application host
FC-AL connection
Interconnect
cables
LAN
Ethernet port
Ethernet
connection
Management host
Host-bus adapters
Ethernet
connection
Master
Alternate
master
controller
unit
controller
unit