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CHAPTER

VMware ESX Servers

This chapter describes configuring virtual I/O for VMware ESX in the following

sections:

■ “Introducing Virtual I/O for VMware ESX” on page 179

■ “VMware ESX Support in XgOS” on page 180

■ “ESX Utilities” on page 181

■ “ESX Configuration” on page 182

■ “Caveats” on page 188

■ “Automatic Rescans in ESX” on page 189

Introducing Virtual I/O for VMware ESX

From the Oracle Fabric Interconnect’s viewpoint, a VMware ESX server appears and

works similar to a standard server. Simply add a server profile and a vNIC or vHBA.

All the configuration for vSwitches and attaching virtual machines to network

resources occurs within the VMware Infrastructure Client (provided by VMware as

part of the ESX server package).

The following comes into play when configuring the system:

■ Local ID—The identity of a vNIC on the ESX server. A local ID also applies to

vHBAs but it’s not as significant. The mapping of network interfaces (vNIC to

vSwitch) has security implications whereas the direct-mapping order of vHBAs is

still present but of lesser concern.

■ Predefined vNICs—The local ID maps vNICs into 32 predefined vNIC names

(vnic 1 through vnic 32) on the ESX server. Unlike on standard Linux servers, you

cannot pick your own vNIC name. A Local ID allows you to specify which of

those 32 pre installed vNICs you are going to use. Issue ifconfig after you

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