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Chapter 3 Connections
3.1 Host Connections
ETERNUS DX80 S2/DX90 S2 Disk storage system User’s Guide -Site Planning-
Copyright 2013 FUJITSU LIMITED P3AM-4822-12ENZ0
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■ Configurations that satisfy the system requirements
System requirements should be taken into consideration for a connection configuration between the HBAs on
the server and the host interface ports on the ETERNUS DX Disk storage system.
The following figure shows a connection configuration for availability:
Figure 3.5 Connection that satisfies the system requirements (for availability)
The following figure shows a connection configuration for enhanced performance:
Figure 3.6 Connection that satisfies the system requirements (for enhanced performance)
When the ETERNUS DX Disk storage system is accessed from both of the servers, performance can be secured
by connecting to the ETERNUS DX Disk storage system using one host interface port on each of the four host
interfaces.
Server
HBA
HBA
Server
HBAHBA
ETERNUS DX Disk storage system
CM#0
PortPort
CA#0 CA#0
CM#1
Port Port
Server
HBA
HBA HBA
Server
HBA
ETERNUS DX Disk storage system
Port
CM#0
Port
Port
CA#0 CA#1 CA#0 CA#1
CM#1
PortPort
Port
Port
Port