Compaq HSG80 - StorageWorks RAID Array Controller Specifikace stáhnout pdf (Strana 46)

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Controller and Host Concepts

Terminology

When configuring the subsystem you will encounter the following terms and concepts

that you must understand:

■ Controller A and controller B

■ This controller and other controller

■ Unresponsive and surviving controller

Controller A and Controller B

Controllers and cache modules are designated either A or B depending on their

location within the storage enclosure as shown in.

Figure 2–1. Controller A and Controller B Locations

This Controller and Other Controller

Some CLI commands use the terms “this” and “other” to identify one controller or the

other in a dual-redundant pair. These designations are defined as follows:

■ This controller—the controller that you are currently connected, regardless of

whether it is controller A or controller B. It is the controller through which the

CLI commands are being entered. The maintenance terminal is connected to the

maintenance port of “this” controller.

Controller A

Controller B

Cache module A Cache module B

EMU

PVA

CXO6283A

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