Dell PowerVault MD3000i Upgrading Your Dell PowerVault MD3000i From Simplex

Dell PowerVault MD3000i Manual

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Upgrading Your Dell™

PowerVault™ MD3000i From

Simplex to Duplex Mode

The Dell PowerVault MD3000i RAID enclosure supports both duplex

(dual-controller) and simplex (single-controller) configurations.

A

duplex

configuration allows for full redundancy between RAID controller

modules, non-I/O components, virtual disk paths, and physical disk paths.

A

simplex

configuration offers no redundancy between RAID controller

modules or physical disk paths.

Figure 1 illustrates both types of configuration.

Figure 1.

Simplex vs. Duplex MD3000i RAID Storage Array (With Expansion)

This document describes the steps used to upgrade your storage array from a

simplex configuration to a duplex configuration without taking the existing

storage array offline.

slot 0

Duplex MD3000i Storage Array

slot 1

slot 0

slot 1

Simplex MD3000i Storage Array

expansion

enclosures (2)

July 2007