AS with One FC HBA Direct Connection
Typically, the sixteen host ports of the controller subrack connect directly without using an FC
switch. The application scenarios prove that the controller with a four-port FC module can
support more ASs, reduce the number of FC switches and cut down on the costs.
Figure 2-1
shows the networking of AS with one FC HBA+ direct connection.
Figure 2-1
Networking of AS with one FC HBA direct connection
AS 2
AS 1
HBA 1
HBA 2
Controller B
Controller A
S5600 controller subrack (FC host ports)
FC HBA 2 port1
FC HBA 1 port1
FC host port
Optical fiber
13
12
11
10
13
12
11
10
03
02
01
00
03
02
01
00
In this networking, the sixteen FC host ports can support sixteen ASs that use one FC HBA.
Each AS has only one FC HBA and the networking does not use a FC switch. Therefore, the AS
uses only one path to connect to the S5600 controller subrack (FC host ports). You do not need
to install the UltraPath.
NOTE
In this networking, if the UltraPath is installed on the AS, the I/O performance of the AS falls.
In this networking, when you create a logical unit number (LUN), you need to set the ascription
controller of the LUN on the controller that connects to the host path.
NOTE
host
displayed On the OSM3.0 main interface is a virtual one created for easy management.
After you add a port to the virtual host, the host can be mapped to a physical AS.
l
To match each AS with one virtual host, you must add the information about the physical ports of
the ASs to the virtual hosts.
l
The storage device identifies each AS through the information about the physical port of the AS.
2 Setting Up the Management Environment
OceanStor S5600 Storage System
Initial Configuration Guide
2-6
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 02 (2009-09-30)
