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Interface ports
The FAStT700 Storage Server has the following interface ports:
v Host mini hub
v Drive mini hub
v Ethernet
The mini-hub ports are used for data transfer between hosts or drive enclosures
and RAID controllers in the FAStT700 Storage Server. Ethernet ports are available
for storage subsystem-management. The FAStT700 Storage Server interface ports
are shown in Figure 16.
Host
mini-hub
ports
Figure 16. FAStT700 Storage Server interface ports
For more information about connecting the FAStT700 Storage Server and drive
enclosures (also referred to as expansion units) using the host and drive interface
ports, refer to the IBM FAStT700 Fibre Channel Storage Server Installation Guide.
Host interface ports
The FAStT700 Storage Server comes with host-side mini hubs 1 and 2 installed.
Each mini hub provides host loop connectivity and self-diagnostic features. Host
mini hubs connect to the controller in pairs. When fully configured, the FAStT700
Storage Server can accommodate four host-side mini hubs, two per controller. Mini
hubs 1 and 3 connect to the top controller (Controller A) and mini hubs 2 and 4
connect to the bottom controller (Controller B), as shown in Figure 17. To ensure
redundancy, you must connect each host to both controllers through the appropriate
mini hub.
Host
mini-hub
ports
Figure 17. Host-side mini-hub interface ports
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IBM
TotalStorage
FAStT700 Fibre Channel Storage Server: User's Guide
2 Gb/s
2 Gb/s
2 Gb/s
2 Gb/s
1 Gb/s
1 Gb/s
1 Gb/s
1 Gb/s
!
!
!
!
OUT
OUT
OUT
OUT
IN
IN
IN
IN
Host mini hubs
Controller A
Controller B
Controller A
Controller B
1
2
3
4
2 Gb/s
2 Gb/s
2 Gb/s
2 Gb/s
1 Gb/s
1 Gb/s
1 Gb/s
1 Gb/s
!
!
!
!
OUT
OUT
OUT
OUT
IN
IN
IN
IN
Ethernet interface ports
2 Gb/s
2 Gb/s
2 Gb/s
2 Gb/s
1 Gb/s
1 Gb/s
1 Gb/s
1 Gb/s
!
!
!
!
OUT
OUT
OUT
OUT
IN
IN
IN
IN
2 Gb/s
2 Gb/s
2 Gb/s
2 Gb/s
1 Gb/s
1 Gb/s
1 Gb/s
1 Gb/s
!
!
!
!
OUT
OUT
OUT
OUT
IN
IN
IN
IN
Drive
mini-hub
ports
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