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Chapter 1. Version 2.0

1.1. Introduction

The DX Storage Cluster Services Node (CSN) streamlines installation and configuration of both the

network services required to run a DX Storage cluster and the Dell software used to interface with

it into a single integrated server. These release notes contain late-breaking information about DX

Storage CSN 2.0.

1.2. Changes in Release 2.0

This release enhances and extends the previous major release of the CSN in the following ways:

• The CSN now automatically configures all DX Storage nodes in multi-process mode with the

optimal number of processes for each node allocated at boot time. Please reference the 'Adding

DX Storage Nodes' section of the Installation and Configuration Guide for additional details.

• An option to choose a larger range for IP addresses on the internal/private network has been

added to support environments with a large number of DX Storage nodes. Existing installations

may take advantage of a larger network space by running the 'changeinternalnetwork' script

described in the Installation and Configuration Guide.

• The CSN now includes a reset script that can be used to return a server to a clean state after

installation, configuration or upgrade issues. Please refer to the CSN-Reset section of the

Installation and Configuration Guide for complete details.

• The CSN is now certified to install and run on Red Hat Enterprise Linux 5.5.

• The CSN now supports upgrade from version 1.0 or 1.0.1.

• The CSN will now check to see if log files need to be rotated hourly instead of daily to ensure files

do not become too large within 24 hours.

• The CSN now supports configuration of multiple subscriptions for a Replicator on the Replicator

configuration page of the Content Router tab on the CSN Console.

• A defect that prevented setting the power saving mode for the DX Storage cluster via SNMP has

been resolved.

1.3. Release 1.0 Features

This release includes the following features:

• The CSN provides installation and configuration of required network services to support a DX

Storage cluster, including DHCP, PXE, TFTP, syslog, NTP and several others.

• An integrated PXE network boot and configuration server is provided for DX Storage nodes that

are booted onto the CSN's internal network.

• Content Router is integrated and pre-configured as part of the CSN bundle to support replication

between two or more DX Storage clusters.

• The SCSP Proxy is integrated into CSN installation and configuration, providing a gateway for

SCSP clients on the external network, including remote clusters using Content Router, to send

and receive SCSP requests to and from DX Storage nodes on the CSN's internal network.

Version 2.0

December 2010