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Storage System Hardware Components

111Enterprise Virtual Array 3000 User Guide

HSV100 Controllers

This section describes the major features and function of the HSV100 controllers.

See Figure 49. Each Enterprise Storage System includes a pair of HSV100

controllers.

Figure 49: HSV100 controller

High Availability Features

Two interconnected HSV100 controllers ensure that the failure of a controller

element (such as transceiver, cable, Fibre Channel port, and so forth) does not

disable the system. The complete data redundancy includes two Loop A data

paths.

A single controller can fully support an entire system until the defective controller,

or controller element, is repaired.

If a blower or power supply fails, it can be replaced without shutting down the

system.

Each controller has two lead-acid cache battery assemblies that provide power to

the cache memory dual in-line memory modules (DIMMs). Each battery

assembly has three lead-acid, nonspillable cells. When both battery assemblies are

fully charged, they can provide power to the DIMMs for up to 96 hours.

CXO8054B

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Hp 3000 Enterprise Virtual Array Manual do Utilizador Página 111