Chapter 9 Connectivity Management
9.1 Connectivity Status
ETERNUS Web GUI User’s Guide
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Copyright 2011 FUJITSU LIMITED P2X0-1090-02ENZ0
9.1.1 Connectivity (Basic Information)
A list of the host affinity groups is displayed.
Host affinity is a group that defines the association between a "Host Group", a "Port Group", and
a "LUN Group".
The host affinity function is used when connecting a specific host group (multiple servers) via
switches. By defining the association between a "Host Group", a "Port Group" and a "LUN
Group", security is improved since the volumes that the host recognizes can be limited. In addi-
tion, by configuring the groups of hosts (HBAs) and ports that access the same LUN group, GUI
operation can be simplified.
LUN Group XX
LUN#1 LUN#2 LUN#3
LUN Group YY
LUN LUN
The procedure to define the Host Affinity is as follows:
1. Define Host Group.
2. Define Port Group.
3. Define LUN Group.
4. Allocate the Host Group, the Port Group, and the LUN Group.
Port Group X
Port Group Y
ETERNUS DX Disk storage system
Switch
Switch
Port#1
Port#0
Port#2
Port#3
Host Group A
Host Group B
Switch
Multipath
Multipath
Multipath
Multipath
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