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 68
Host Affinity
Permission for Server A
LUN#0
→
V olume#0 ... LUN#255
→
V olume#255
Permission for Server B
LUN#0
→
V olume#256 ... LUN#255
→
V olume#511
Permission for Server C
LUN#0
V olume#512 ... LUN#255
V olume#767
Permission for Server D
LUN#0
V olume#768 ... LUN#255
V olume#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
V olume#0
:
V olume#255
V olume#256
:
Volume#511
V olume#512
:
V olume#767
V olume#768
V olume#1023
:
Port
Port
:
ETERNUS DX
The host affinity can be set by associating "host groups", "CA port groups", and "LUN groups".
3. SAN Functions
Improving Host Connectivity
137
Design Guide
Содержание ETERNUS DX S5 Series
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