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Chapter 3  Notes
  3.2  VMware ESX Operating Notes
ETERNUS DX Disk storage systems User’s Guide -Server Connection- (iSCSI) for VMware® ESX
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Copyright 2012 FUJITSU LIMITED
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3.1.2
For VMware Infrastructure 3
Dedicated IP addresses must be allocated to the iSCSI LAN. An IP address must be allocated to 
each VMkernel that corresponds to an iSCSI Initiator, and a LAN card and VMkernel must be 
connected via a virtual switch. For example, a total of six IP addresses are required by the follow-
ing iSCSI connection setup.
Example connection configuration
3.2
VMware ESX Operating Notes
Refer to the following web-site for the number of LUNs that VMware ESX can recognize.
When Windows® is used on the Virtual Machine, the registry will need to be modified after 
Windows® is installed. For details, refer to 
The VMware ESX multipath function supports path failover, meaning that server access can 
continue unaffected by any problems that might arise in the iSCSI cables or LAN switches.
It should be noted that path failover can fail to occur when multiple SCSI sense codes are 
repeatedly and simultaneously received.
Set the "Path Selection Policy" (per-LUN) as follows: 
-
For VMware vSphere: "RoundRobin" is recommended
-
For VMware Infrastructure 3: "Fixed"
ETERNUS Multipath Driver and GR Multipath Driver do not need to be installed on the 
VMware ESX Virtual Machine. Multipath function of VMware ESX provides path redundancy.
VMware ESX server
IP address
for iSCSI port (5)
LAN card
LAN switch
IP address
for iSCSI port (6)
LAN card
LAN switch
ETERNUS DX Disk storage system
VMkernel (iSCSI Software Initiator)
IP address (1) 
IP address for Service Console (2)
VMkernel (iSCSI Software Initiator)
IP address (3) 
IP address for Service Console (4)