Chapter 1 What is Multipath Driver?
1.2 Connections
FUJITSU Storage ETERNUS Multipath Driver V2 User’s Guide for Linux
Copyright 2014 FUJITSU LIMITED
P2U3-0031-15ENZ0
33
1.2
Connections
Multipath Driver is used to set up and control multiple connections between the server's HBAs or NICs, and the
storage system's CAs.
Multipath connections provide greater system control and improve reliability.
The following figure illustrates a multipath connection.
●
Multi-path connection
Figure 1.1 Sample multipath connection
In a multipath connection, all HBAs or NICs must be of the same type.
Fibre Channel Hubs cannot be used.
HA Port Devices for ETERNUS3000 model 50 and ETERNUS GR710 can be used.
Storage system
HBA
HBA
CA
CA
HBA
HBA
CA
HBA
CA
Linux server
