HP Xw460c - ProLiant - Blade Workstation Overview - Page 7

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Controlling components

The BladeSystem Onboard Administrator uses embedded management interfaces to provide detailed

information and health status for all bays in the enclosure (Figure 4). The BladeSystem Onboard

Administrator also reports firmware versions for most components in the enclosure and can be used to

update those components.

Figure 4. Management communications between the BladeSystem Onboard Administrator and other components

in an HP BladeSystem c7000 Enclosure

c7000 internal management interfaces

The BladeSystem Onboard Administrator monitors and communicates with several hardware

interfaces to each bay in the c7000 enclosure. The management hardware interfaces include unique

presence pins, Inter-Integrated Circuit (I2C), serial, and Ethernet connections. These management

interface connections are completely isolated from the server blade connections to interconnect

modules.

c7000 external management interfaces

Each c7000 enclosure has several external management interfaces connected to the BladeSystem

Onboard Administrator as shown in Figure 4. The primary external management interface is the

management port for each BladeSystem Onboard Administrator, which is an RJ-45 jack providing

Ethernet communications not only to each BladeSystem Onboard Administrator, but also to every

device or interconnect bay with a management processor. This includes ProLiant Onboard

Administrator (iLO 2) communication for the server blades and any interconnect module using the

c-Class embedded Ethernet management network, such as Virtual Connect Manager. For redundant

BladeSystem Onboard Administrators, both BladeSystem Onboard Administrator management ports