Deployment Guide

Adding or Removing an Expansion Enclosure

This section describes how to add an expansion enclosure to a storage system and how to remove an expansion enclosure from a

storage system.

Adding Multiple Expansion Enclosures to a Storage System Deployed

without Expansion Enclosures

Use caution when adding expansion enclosures to a live Storage Center system to preserve the integrity of the existing data.

Prerequisites

Install the expansion enclosures in a rack, but do not connect the expansion enclosures to the storage system.

About this task

Make sure that your data is backed up before adding expansion enclosures to an existing chain. For maximum data protection, add

expansion enclosures during a planned maintenance window.

NOTE: When adding an expansion enclosure to a Storage Center with an existing expansion enclosure, add the new

expansion enclosure to the end of the SAS chain.

Steps

1. Cable the expansion enclosures together to form a chain.

2. Use the Dell Storage Manager Client to connect to the Storage Center.

3. Check the disk count of the Storage Center system before adding the expansion enclosures.

4. Click the Hardware tab and select Enclosures node in the Hardware tab navigation pane.

5. Click Add Enclosure. The Add New Enclosure wizard starts.

a. Click Next to validate the existing cabling.

b. Select the enclosure type and click Next.

c. If the drives are not installed, install the drives in the expansion enclosures.

d. Turn on the expansion enclosures. When the drives spin up, make sure that the front panel and power status LEDs show

normal operation.

e. Click Next.

f. Add the expansion enclosures to the A-side chain. Click Next to validate the cabling.

g. Add the expansion enclosures to the B-side chain. Click Next to validate the cabling.

h. Click Finish.

6. Label the new back-end cables.