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Chapter 4 Operation of the Server 4-27

Caution – IMPORTANT - An XSCF reset or failover might prevet the above setting

operation from completing. If a reset or failover occurs during the operation, log in to the

active XSCF to determin if the operation succeeded. If not, try it again. For details on DR,

see the Dynamic Reconfiguration User’s Guide.

4.9 Displaying State of an External I/O

Expansion Unit and Administration

This section describes the management overview of an External I/O expansion unit

connected to the server, components in the External I/O Expansion Unit such as I/O boards,

link cards, and power supply units (PSUs), and downlink cards mounted in PCI slots in the

server, and cards that contain Energy Storage Modules (ESM) and are attached to the host

system.

Note – For the hardware configuration of an External I/O Expansion Unit, see the External

I/O Expansion Unit Installation and Service Manual or the Service Manual for your server.

For details and examples of use of commands, see the XSCF Reference Manual and the

ioxadm(8) man page.

TABLE 4-4 lists terms used in External I/O Expansion Unit administration.

TABLE 4-4 External I/O Expansion Unit Administration Terms

Term Description

Host path Device path. A device name and device number are used to represent the layer

location of a component in the component layer structure. (Example:

IOU#1-PCIE#4)

Downlink card path A downlink card that is mounted in a PCI slot in an I/O unit of the server and

connected to an External I/O Expansion Unit. An External I/O Expansion Unit is

connected to one or two downlink cards. A downlink card path represents the

layer location indicating which downlink card is connected to the External I/O

Expansion Unit in the layer structure. (Example: IOU#1-PCIE#2)

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Cooper M3000 Guía de usuario Pagina 277