Improving Host Connectivity; Host Affinity; Figure 70 Host Affinity - Fujitsu ETERNUS DX500 S4/DX600 S4 Design Manual

3. SAN Functions

Improving Host Connectivity

*5: Decryption of volumes is performed by specifying "Unencrypted" for the migration destination when mi-
grating the volumes.
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 70 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
FUJITSU Storage ETERNUS DX500 S4/DX600 S4, ETERNUS DX500 S3/DX600 S3 Hybrid Storage Systems Design Guide (Basic)
Permission for Server A
LUN#0 → Volume#0 ... LUN#255 → Volume#255
Permission for Server B
LUN#0 → Volume#256 ... LUN#255 → Volume#511
Port
Switch
Port
Permission for Server C
LUN#0 Volume#512 ... LUN#255
→
Permission for Server D
LUN#0 → Volume#768 ... LUN#255
120
Copyright 2019 FUJITSU LIMITED
Volume#0
:
Volume#255
Volume#256
:
Volume#511
Volume#512
:
Volume#767
Volume#768
:
Volume#1023
Volume#767
→
→ Volume#1023
ETERNUS DX
P3AM-7722-25ENZ0