Improving Host Connectivity; Host Affinity; Figure 43 Host Affinity - Fujitsu ETERNUS AF250 Design Manual

1. Function

Improving Host Connectivity

Improving Host Connectivity

Host Affinity

The host affinity function prevents data from being damaged due to inadvertent storage access. By defining a
server that can access the volume, security can be ensured when multiple servers are connected.

Figure 43 Host Affinity

Server A
LUN#0
:
LUN#255
Server B
LUN#0
:
LUN#255
Server C
LUN#0
:
LUN#255
Server D
LUN#0
:
LUN#255
Permission for Server A
LUN#0 → Volume#0 ... LUN#255 → Volume#255
Permission for Server B
LUN#0 → Volume#256 ... LUN#255 → Volume#511
Switch
Permission for Server C
→
LUN#0 Volume#512 ... LUN#255
Permission for Server D
→
LUN#0 Volume#768 ... LUN#255
FUJITSU Storage ETERNUS AF250 S2, ETERNUS AF250 All-Flash Arrays Design Guide (Basic)
Copyright 2019 FUJITSU LIMITED
Volume#0
:
Volume#255
Port
Volume#256
:
Volume#511
Volume#512
:
Volume#767
Port
Volume#768
:
Volume#1023
→
Volume#767
→
Volume#1023
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ETERNUS AF
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