Fujitsu ETERNUS DX100 S3 - Improving Host Connectivity; Host Affinity; Figure 67 Host Affinity

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 67 Host Affinity
Permission for Server A
LUN#0 ® Volume#0 ... LUN#255 ® Volume#255
Permission for Server B
LUN#0 ® Volume#256 ... LUN#255 ® Volume#511
Permission for Server C
LUN#0 ® Volume#512 ... LUN#255 ® Volume#767
Permission for Server D
LUN#0 ® Volume#768 ... LUN#255 ® Volume#1023
Switch
Server A
LUN#0
:
LUN#255
Server B
LUN#0
LUN#255
Server D
LUN#0
:
LUN#255
Server C
LUN#0
:
LUN#255
Volume#0
:
Volume#255
Volume#256
:
Volume#511
Volume#512
:
Volume#767
Volume#768
Volume#1023
:
Port
Port
:
ETERNUS DX
3. SAN Functions
Improving Host Connectivity
120
Fujitsu Storage ETERNUS DX100 S4/DX200 S4, ETERNUS DX100 S3/DX200 S3 Hybrid Storage Systems
Design Guide (Basic)
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