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Dell DX6004S DX Object Storage Getting Started Guide - Page 21

can be problematic. For example, DX Storage might create all replicas on the other side of

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When you retire a volume, you must make sure that sufficient space exists in the LAR subcluster that contains the retiring volumes if you want the separation to persist. Because DX Storage must maintain the correct number of replicas in the subcluster, retiring a volume without sufficient space can be problematic. For example, DX Storage might create all replicas on the other side of the subcluster, and might ultimately result in filling up that side of the subcluster. Copyright © 2010 Caringo, Inc. All rights reserved 18 Version 5.0 December 2010

Section	Page
DX Object Storage Getting Started Guide	1
Table of Contents	3
Chapter 1. Welcome to DX Storage	4
1.1. Components	4
1.2. About this Document	4
1.2.1. Audience	4
1.2.2. Scope	4
Chapter 2. Network Infrastructure and Recommendations	5
2.1. About DX Storage in the Network	5
2.1.1. Sample Networks	5
2.1.2. Layer 3 Switching and Routing	7
2.1.3. Switching Hardware	7
2.1.4. Internet Deployments	9
2.2. Setting Up the Network for DX Storage	9
2.2.1. Network Summary	10
2.2.2. Recommended Infrastructure	10
2.3. Setting Up Network Services	10
2.3.1. Setting Up NTP for Time Synchronization	11
2.3.2. Setting Up DNS for Name Resolution	11
2.3.3. Preparing for Named Objects	12
2.3.4. Setting Up SNMP for Monitoring	12
2.3.5. Setting Up Network Load Balancing	13
2.4. Setting Up PXE Booting	13
2.4.1. Setting Up the DHCP Server for PXE Booting	13
2.4.2. Configuring the TFTP Server	14
2.4.2.1. Installing and Configuring TFTP	14
2.4.2.2. Creating the tftpboot Directory Hierarchy	14
2.4.2.3. Copying kernel and fsimage	14
2.4.2.4. DHCP and Boot Server Redundancy	15
2.5. Setting Up a Configuration File Server	15
2.6. Network Devices and Priority	16
2.7. Proxying the Admin Console	17
2.8. IGMP Snooping Support	17
Chapter 3. Hardware Considerations	18
3.1. Hardware Requirements and Recommendations	18
3.2. Hardware Setup	18
3.3. About Memory Effects on Node Storage	18
3.4. Stream Size Guidance	19
3.5. Adaptive Power Conservation	19
3.6. Proactive Power Conservation	20
3.7. Local Area Replication Using Subclusters	20
Chapter 4. Installing and Configuring DX Storage	22
4.1. Licensing	22
4.1.1. How Licensing Works	22
4.1.2. About licenseFileURL	23
4.1.3. About Licensed Capacity Monitoring	23
4.1.4. About Other Licensing Checks	23
4.1.5. Sample License	24
4.2. Configuring DX Storage	24
4.2.1. Editing node.cfg	25
4.2.2. Storage Volume Configuration	25
4.2.3. DHCP or Static Network	26
4.2.4. Administration Password	26
4.3. Booting DX Storage Nodes	26
4.4. Using Syslog	27

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Version 5.0

December 2010

When you retire a volume, you must make sure that sufficient space exists in the LAR subcluster

that contains the retiring volumes if you want the separation to persist. Because DX Storage must

maintain the correct number of replicas in the subcluster, retiring a volume without sufficient space

can be problematic. For example, DX Storage might create all replicas on the other side of the

subcluster, and might ultimately result in filling up that side of the subcluster.