Dell DR4000 Restore Manager Service manual

Dell DR4000 System
Administrator Guide
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Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of
your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data if
instructions are not followed.
WARNING: A WARNING indicates a potential for property damage, personal
injury, or death.
____________________
Information in this publication is subject to change without notice.
© 2011 Dell Inc. All rights reserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc.
is strictly forbidden.
Trademarks used in this text: Dell™, the DELL logo, Dell Precision™, OptiPlex™, Latitude™,
PowerEdge™, PowerVault™, PowerConnect™, OpenManage™, EqualLogic™, KACE™,
FlexAddress™ and Vostro™ are trademarks of Dell Inc. Intel
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2011 - 12 Rev. A00
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Contents iii
Contents
1 Introduction to the Administrator Guide . . . 1
About this Guide . . . . . . . . . . . . . . . . . . . . . . 1
Other Information You May Need . . . . . . . . . . . . . 1
2 Understanding the DR4000 System . . . . . . 3
About the DR4000 System . . . . . . . . . . . . . . . . . 4
Data Storage Terminology and Concepts . . . . . . . . . 4
Data Deduplication and Compression . . . . . . . . 4
Replication . . . . . . . . . . . . . . . . . . . . . . 6
Supported File System Protocols . . . . . . . . . . . 7
Supported Software and Hardware . . . . . . . . . . . . 8
DR4000 System and Data Operations . . . . . . . . . . . 8
3 Setting Up the DR4000 System . . . . . . . . 11
Interacting with the DR4000 System. . . . . . . . . . . 11
Networking Preparations for the DR4000 System . . 11
Connections for a DR4000 System . . . . . . . . . . . . 12
Initializing the DR4000 System. . . . . . . . . . . . . . 13
Default IP Address and Subnet Mask
Address for Set Up . . . . . . . . . . . . . . . . . 14
Local Console Connection . . . . . . . . . . . . . 14
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iv Contents
iDRAC Connection . . . . . . . . . . . . . . . . . 15
Logging in and Initializing the DR4000 . . . . . . . 16
Logging on Using a Web Interface. . . . . . . . . . . . 18
About the Dashboard Page and Options. . . . . . . . . 21
Understanding the Dashboard Options. . . . . . . 21
Alerts . . . . . . . . . . . . . . . . . . . . . . . . 21
Events . . . . . . . . . . . . . . . . . . . . . . . . 21
Health . . . . . . . . . . . . . . . . . . . . . . . . 22
Usage . . . . . . . . . . . . . . . . . . . . . . . . 23
Statistics: Container . . . . . . . . . . . . . . . . 24
Statistics: Replication. . . . . . . . . . . . . . . . 25
About the Storage Page and Options . . . . . . . . . . 25
Understanding the Storage Options . . . . . . . . 26
Containers. . . . . . . . . . . . . . . . . . . . . . 26
Replication . . . . . . . . . . . . . . . . . . . . . 27
Compression . . . . . . . . . . . . . . . . . . . . 27
About the Schedule Page and Options . . . . . . . . . 27
Understanding the Schedule Options . . . . . . . 28
About the System Configuration Page and Options . . . 28
Understanding the System
Configuration Options. . . . . . . . . . . . . . . . 28
System Configuration Page Options Bar . . . . . . 29
About the Support Page and Options . . . . . . . . . . 29
Understanding the Support Page Options . . . . . 30
Diagnostics . . . . . . . . . . . . . . . . . . . . . 30
Software Upgrade . . . . . . . . . . . . . . . . . 30
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Contents v
4 Configuring the DR4000 System Settings 33
Configuring Networking Settings . . . . . . . . . . . . 33
Networking Page: Ethernet Port Values . . . . . . 36
Managing the DR4000 System Password . . . . . . . . 37
Modifying the System Password . . . . . . . . . . 38
Resetting the Default System Password . . . . . . 38
Shutting Down the DR4000 System . . . . . . . . . . . 39
Rebooting the DR4000 System . . . . . . . . . . . . . . 39
Configuring Compression Level Settings . . . . . . . . 40
Configuring Active Directory Settings . . . . . . . . . 40
Configuring Email Alert Settings . . . . . . . . . . . . 41
Adding a Recipient Email Address . . . . . . . . . 41
Editing or Deleting a Recipient Email Address . . . 42
Sending a Test Message . . . . . . . . . . . . . . 43
Configuring Administrator Contact Information. . . . . 43
Adding Administrator Contact Information. . . . . 44
Editing Administrator Contact Information . . . . . 44
Configuring Relay Hosts . . . . . . . . . . . . . . . . . 45
Adding a Relay Host . . . . . . . . . . . . . . . . 45
Editing a Relay Host . . . . . . . . . . . . . . . . 46
Managing System Date and Time Settings . . . . . . . 46
Editing System Date and Time Settings. . . . . . . 47
Creating Containers . . . . . . . . . . . . . . . . . . . 48
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vi Contents
5 Managing DR4000 Storage Operations . 49
Managing Container Operations. . . . . . . . . . . . . 49
Creating Containers. . . . . . . . . . . . . . . . . 49
Editing Containers. . . . . . . . . . . . . . . . . . 51
Deleting Containers . . . . . . . . . . . . . . . . . 54
Moving Data into a Container. . . . . . . . . . . . 54
Displaying Container Statistics . . . . . . . . . . . 55
Managing Replication Operations. . . . . . . . . . . . 56
Creating Replication Relationships . . . . . . . . . 56
Editing Replication Relationships . . . . . . . . . . 58
Deleting Replication Relationships . . . . . . . . . 58
Starting and Stopping Replication . . . . . . . . . 59
Setting the Replication Bandwidth . . . . . . . . . 59
Displaying Statistics . . . . . . . . . . . . . . . . 60
Creating a Replication Schedule . . . . . . . . . . 61
6 Monitoring the DR4000 System . . . . . . . 63
Monitoring Operations using the Dashboard Page . . . 63
System Status Bar . . . . . . . . . . . . . . . . . 63
DR4000 Capacity-Storage Savings-Throughput . . 64
System Information Pane . . . . . . . . . . . . . . 64
Monitoring System Alerts . . . . . . . . . . . . . . . . 65
Using the Dashboard Page . . . . . . . . . . . . . 65
Using the Dashboard Alerts Option. . . . . . . . . 65
Monitoring System Events . . . . . . . . . . . . . . . . 66
Using the Dashboard Page . . . . . . . . . . . . . 66
Using the Dashboard Events Option . . . . . . . . 66
Monitoring System Health . . . . . . . . . . . . . . . . 67
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Contents vii
Using the Dashboard Page . . . . . . . . . . . . . 67
Using the Dashboard Health Option . . . . . . . . 67
Monitoring System Usage . . . . . . . . . . . . . . . . 69
Monitoring System Usage . . . . . . . . . . . . . 70
Setting a Latest Range Value . . . . . . . . . . . . 70
Setting a Time Range Value . . . . . . . . . . . . 71
Monitoring Container Statistics . . . . . . . . . . . . . 71
Displaying the Statistics: Container Page . . . . . 72
Monitoring Replication Statistics . . . . . . . . . . . . 72
Displaying the Statistics: Replication Page . . . . 73
Displaying Replication Statistics . . . . . . . . . . 73
7 Using the DR4000 System
Support Options . . . . . . . . . . . . . . . . . . . 75
About the Support Information . . . . . . . . . . . . . 75
About the Diagnostics Page and Options . . . . . . . . 76
Downloading Diagnostics Log Files . . . . . . . . 76
Generating a Diagnostics Log File . . . . . . . . . 77
Deleting a Diagnostics Log File. . . . . . . . . . . 78
About the Software Upgrade Page and Options . . . . 78
Verifying the Current Software Version . . . . . . 78
Upgrading the DR4000 System Software . . . . . . 79
About Restore Manager . . . . . . . . . . . . . . . . . 79
Downloading the Restore Manager . . . . . . . . 80
Creating the RM USB key. . . . . . . . . . . . . . 80
Running the Restore Manager . . . . . . . . . . . 81
Hardware Removal or Replacement . . . . . . . . . . 82
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viii Contents
Shutting Down/Starting Up a DR4000 System . . . 82
DR4000 System NVRAM. . . . . . . . . . . . . . . 83
8 Troubleshooting and Maintenance . . . . 85
DR4000 System Alert and Event Messages . . . . . . . 86
About the Diagnostics Service . . . . . . . . . . . . 112
Understanding the Diagnostics
Collection Process . . . . . . . . . . . . . . . . 113
About the DR4000 Maintenance Mode . . . . . . . . 114
About the DR4000 Support Mode . . . . . . . . . . . 115
Scheduling DR4000 System Operations . . . . . . . . 117
Creating a Cleaner Schedule . . . . . . . . . . . . . 117
Displaying Cleaner Statistics . . . . . . . . . . . 119
9 Getting Help . . . . . . . . . . . . . . . . . . . . . . 121
Before Contacting Dell Support . . . . . . . . . . . . 121
Contacting Dell. . . . . . . . . . . . . . . . . . . . . 122
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
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Introduction to the Administrator Guide 1
DELL CONFIDENTIAL – PRELIMINARY 1/10/12 - FOR PROOF ONLY
1
Introduction to the Administrator
Guide
About this Guide
This guide explains how to use the Dell DR4000 system to perform data
storage operations and manage storage and replication containers.
This guide introduces and describes the DR4000 system graphical user
interface (GUI) that you can use to manage your backup and replication
operations. A comprehensive set of GUI-based procedures allow you to access
all management features and capabilities using a web-browser.
If any important administrative task or operation is not supported from the
DR4000 system GUI, this guide provides and describes the corresponding
command line interface (CLI) commands.
Other Information You May Need
WARNING: See the safety and regulatory information that shipped with your
system. Warranty information may be included within this document or as a
separate document.
•The Dell DR4000 System Owner's Manual provides information about
solution features, describes how to troubleshoot the system, and how to
install or replace system components. This document is available at
support.dell.com/manuals .
•The
Dell DR4000 System Command Line Reference Guide provides
information about managing DR4000 system data backup an replication
operations using the command line interface (CLI). This document is
available at
support.dell.com/manuals.
•The Dell DR4000 System Getting Started Guide provides an overview of
setting up your system, and includes technical specifications. This
document is available at
support.dell.com/manuals .
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2Introduction to the Administrator Guide
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•The Dell DR4000 System Interoperability Guide provides information
on the supported hardware and software. This document is available at
support.dell.com/manuals .
• Any media that ships with your system that provides documentation and
tools for configuring and managing your system, including those
pertaining to the operating system, system management software, system
updates, and system components that you purchased with your system.
NOTE: Always check for documentation updates on support.dell.com/manuals,and
read the documentation updates first, because they often supersede information in
other documents.
NOTE: Always check for release notes on support.dell.com/manuals and read the
release notes first, because they contain the most recently documented information
about known issues with a specific product release.
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Template Last Updated - 2/7/2007 Understanding the DR4000 System 3
DELL CONFIDENTIAL – PRELIMINARY 1/10/12 - FOR PROOF ONLY
2
Understanding the DR4000 System
The DR4000 system is a high-performance, disk-based backup and recovery
appliance that is simple to deploy and manage, and offers unsurpassed Total
Cost of Ownership benefits. Features such as innovative firmware and an all-
inclusive licensing model ensure optimal functionality and the assurance of
no hidden costs for desired future features.
NOTE: Unless otherwise noted, later references to "the system" or "DR4000 system"
in this guide are used interchangeably to represent the Dell DR4000 system.
The system has a simple installation process with full, intuitive remote setup
and management capabilities and is available in three usable capacity
points—2.70 Terabytes (TB), 5.4TB, or 9TB, and is ideal for small enterprise
and remote office environments.
Through the use of Dell deduplication and compression algorithm
technology, this system can achieve data reduction levels ranging from 10:1 to
50:1. This reduction in data means less incremental storage needs and a
smaller backup footprint. By removing redundant data, the system provides
deduplication and compression that delivers:
• Fast, reliable backup and restore functionality.
• Reduces media usage and power and cooling requirements.
• Improves overall data protection and retention costs.
The benefits of data deduplication can be extended across the enterprise—
through the deduplicated replication function—to provide a complete
backup solution for multi-site environments.
Shorter Recovery Time Objectives (RTO) and more attainable Recovery
Point Objectives (RPO) can also be assured as critical backup data remains on
disk and online longer. Capital and administrative costs are diminished at the
same time as internal service level agreements (SLAs) are more easily met.
The system includes the following:
• Advanced data protection and disaster recovery
• Simple management interface (using the system GUI)
• Wide variety of data backup installations and environments
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4Understanding the DR4000 System
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The Dell DR4000 system contains data backup and management software
pre-installed on a Dell hardware appliance, which provides you with a robust
disk-based data backup capability installed on a deduplication-enabled
appliance. The system supports two interface types, and the system software
manages the storage containers using the following interfaces:
• A command line interface (CLI)
• A graphical user interface (GUI)
About the DR4000 System
The Dell DR4000 system is a solution designed to reduce your backup data
footprint using file-aware and content-aware backup and deduplication
operations that optimize storage savings. The system consists of:
•Software —the system software supports record linkage and context-based
lossless data compression methods.
•Hardware
—the system appliance includes twelve 3.5-inch SAS or Nearline
SAS chassis drives that are hot-swappable, two power supplies for power
redundancy, and two cabled 2.5-inch SAS drives for the operating system.
NOTE: The operating system is installed on two internal drives in a RAID 1
configuration.
Data Storage Terminology and Concepts
Data Deduplication and Compression
The DR4000 system design draws upon a wide variety of data-reduction
technologies that include the use of advanced deduplication algorithms, in
addition to the use of generic and custom compression solutions that are
effective across a large number of differing file types.
The system uses a concept of content-awareness where it analyzes data to
better learn and understand the structure of your files and data types. Once
this is learned, it uses this method to improve your data reduction ratios while
reducing resource consumption on the host.
The system uses block deduplication to address the increasing data growth,
and this is well suited to providing the best results for routine and repeated
data backups of structured data.
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Understanding the DR4000 System 5
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Block-level deduplication works efficiently where there are multiple duplicate
versions of the same file. This is because it looks at the actual sequence of the
data–the 0s and 1s–that comprise the data.
Whenever a document is repeatedly backed up, the 0s and 1s stay the same
because the file is simply being duplicated. The similarities between two files
can be easily identified using block deduplication because the sequence of
their 0s and 1s remain exactly the same. In contrast to this, there are
differences in online data.
Online data has few exact duplicates. Instead, online data files include files
that may contain a lot of similarities between each file. For example, a
majority of files that contribute to increased data storage requirements come
pre-compressed by their native applications, such as:
• Images and video (such as the JPEG, MPEG, TIFF, GIF, PNG formats)
• Compound documents (such as .zip files, E-mail, HTML, web pages, and
PDFs)
• Microsoft Office application documents (including Powerpoint, MS-Word,
Excel, and Sharepoint)
NOTE: The DR4000 system experiences a reduced savings rate when the data it
ingests is already compression-enabled by the native data source. It is highly
recommended that you disable data compression used by the data source, and
especially for first-time backups. For optimal savings, the native data sources need
to send data to the DR4000 system in a raw state for ingestion.
Block deduplication is not as effective on existing compressed files due to the
nature of file compression because its 0s and 1s change from the original
format.
Data deduplication is a specialized form of data compression that eliminates
a lot of redundant data. The compression technique improves storage
utilization, and it can be used in network data transfers to reduce the number
of bytes that must be sent across a link. Using deduplication, unique chunks
of data, or byte patterns, can be identified and stored during analysis.
As the analysis continues, other chunks are compared to the stored copy and
when a match occurs, the redundant chunk is replaced with a small reference
that points to its stored chunk. This reduces the amount of data that must be
stored or transferred.
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6Understanding the DR4000 System
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By contrast, standard file compression tools identify short repeated substrings
inside individual files, with the intent of storage-based data deduplication
being to inspect large volumes of data and identify large amounts of data such
as entire files or large sections of files that are identical.
Once this has been done, this process allows for the system to store only one
copy of the specific data. This copy may be additionally compressed using
single-file compression techniques.
For example, there may be cases where an email system may contain 100 or
more emails where the same 1 megabyte (MB) file is sent as an attachment
and the following shows how this is handled:
• Without data deduplication, each time that email system is backed up, all
100 instances of the same attachment are saved, which requires 100 MB of
storage space.
• With data deduplication, only one instance of the attachment is actually
stored (all subsequent instances are referenced back to the one saved
copy), with the deduplication ratio being approximately 100 to 1).
NOTE: The DR4000 system does not support deduplication of any encrypted data,
so, there will be no deduplication savings derived from ingesting encrypted data.
The DR4000 system cannot deduplicate data that has already been encrypted
because it considers that data to be unique, and as a result, cannot deduplicate it.
Replication
Replication is the process by which the same saved data is saved from
multiple storage devices, with the goal of maintaining consistency between
redundant resources in data storage environments.
Data replication improves fault-tolerance, improving the reliability of
maintaining saved data, and permitting accessibility to the same stored data.
The DR4000 system uses an active form of replication that lets you configure
a primary-backup scheme in which the system processes data storage requests
from a specified source to a specified destination or replica.
NOTE: It is important to distinguish the difference between data that has been
processed by backup and data that has been processed by replication, since
backup saves a copy of data that remains unchanged for a long period of time.
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Understanding the DR4000 System 7
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Replicas on the other hand are frequently updated and can quickly lose any
historical state. The DR4000 system can be considered as a form of a storage
replication process in which the backup and deduplication data is replicated
in real-time or via a scheduled window in a network environment.
Supported File System Protocols
The DR4000 system supports two types of file system protocols:
• Network File System (NFS)
• Common Internet File System (CIFS)
NFS
NFS is a network file system protocol that is designated to be a file server
standard, and its protocol uses the Remote Procedure Call (RPC) method of
communication between computers.
Clients can access files via the network similar to the way that local storage is
accessed. NFS is a client-server application in which a client can view, store,
and update files on a remote system just like they are working on the local
system.
Administrators can mount all or a portion of a file system, and the file system
(or portion) that is mounted can be accessed using the privileges assigned to
each file. The NFS protocol supports UNIX, Macintosh, OpenVMS, and the
Microsoft Windows operating systems.
CIFS
CIFS is an alternative remote file access protocol and is also known as Server
Message Block (SMB). SMB occurs more commonly than NFS on systems
that run the Microsoft Windows operating system. CIFS allows programs to
request files or services on remote computers.
CIFS also uses the client-server programming model, whereby the client
requests access to a file or passes a message to a program running on the
server. Servers review all requested actions and return a response. CIFS is a
public (or open) variation of the SMB that was originally developed and used
by Microsoft.
NOTE: For details on CIFS feature restrictions, see the Dell DR4000 System
Interoperability Guide
, at support.dell.com/manuals.
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8Understanding the DR4000 System
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Supported Software and Hardware
For a list of supported software and hardware for the DR4000 system, see the
Dell DR4000 System Interoperability Guide at support.dell.com/manuals.
Terminal emulation applications used to access the DR4000 command line
interface inlcude:
–FoxTerm
– Win32 console
–PuTTY
–TeraTermPro
NOTE: The listed terminal emulation applications are not the only ones that
will work with the DR4000 system. This list is only intended to provide
examples of terminal emulation applications that can be used.
DR4000 System and Data Operations
Data is stored and resides on the Dell DR4000 system, which is a 2-Rack Unit
(RU) appliance, and the system software is pre-installed. The internal drives
of the system are configured as a Redundant Array of Independent Disks
(RAID) 1 on the RAID Controller, which is considered to be volume 1.
The data being backed up is stored on virtual disks that reside on the
appliance. The hot-swappable data drives that are attached to the RAID
controller are configured as:
• 11 drives operating as RAID 6, which act as virtual-disks for data storage.
• The remaining drive (drive 12) acts as the global hot-spare drive for the
system.
The DR4000 system supports RAID 6, which allows the appliance to continue
read and write requests to the RAID array virtual disks even in the event of
concurrent disk failures, providing protection to your mission-critical data.
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The system design supports double-data drive failure survivability if either of
the following service operations are performed:
• System board replaced
• Boot disks are reinitialized or system software is reinstalled
If the system detects an unconfigured drive, then the data is automatically
copied from the global hot spare. The global hot spare again behaves as a
spare. This scenario is usually encountered when a faulty data drive is
replaced.
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10 Understanding the DR4000 System
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Setting Up the DR4000 System 11
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3
Setting Up the DR4000 System
Interacting with the DR4000 System
You interact with the system using the web-based DR4000 system GUI using
a browser-based connection. The system provides a single, comprehensive
data management interface that lets you create new data containers, modify
or delete already existing containers, and perform a number of data-related
operations using its features and settings.
The containers you can manage is a defined space where you can store your
backup and deduplication data. A data container is a shared file system that is
imported using a client, and is accessible via NFS or CIFS filesystem
protocols.
The system provides real-time summary tables, detail tables, and graphs that
let you monitor the status of the data capacity, storage savings, and the
throughput of the containers you are managing using its features.
Networking Preparations for the DR4000 System
Before you can start using the system, ensure that:
• An active network is available using Ethernet cables and connections.
NOTE: If your DR4000 system is equipped with a 10-GbE NIC, you must use
CAT6 copper cables.
• IP addresses are assigned to the DR4000 system. The system ships with a
default IP address and subnet mask address, which should only be used
for an initial system configuration.
To perform an initial configuration, you need:
NOTE: Have an IP address available to replace the default IP address if you
choose the static mode of IP addressing, or select to use the DHCP mode of IP
addressing.
– An IP address for the system
– A subnet mask address
– A default gateway address
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12 Setting Up the DR4000 System
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DELL CONFIDENTIAL – PRELIMINARY 1/10/12 - FOR PROOF ONLY
–ADNSsuffixaddress
– A primary DNS server IP address
– (Optional) A secondary DNS server IP address
• NIC connection bonding: by default, the DR4000 system will configure
its NIC interfaces together as a bonded team
(and only one IP address is
needed because the bonded NICs assume the primary interface address).
NIC connection bonding can use either of these configurations:
– Adaptive load balancing (ALB), which is the default setting, does not
require any special network switch support. Ensure that the data
source system must be on the same subnet as the DR4000 system. For
more information, see "Configuring Networking Settings" on page 33.
– 802.3ad or dynamic link aggregation (using the IEEE 802.3ad
standard). 802.3ad requires special switch configuration before using
the system (contact your network administrator for 802.3ad
configuration).
NOTE: To configure a 10-GbE NIC bonded configuration, connect only the 10-
GbE NICs (1-GbE NICs are disbaled when 10-GbE NICs are present).
• DNS: you need a DNS domain available, and you need to know the
primary DNS server IP address (and a secondary DNS server IP address,
if you choose to configure one).
• Replication ports: the replication service in the system requires two
enabled fixed ports be configured to support replication operations
being performed across firewalls (ports 9915 and 9916).
Connections for a DR4000 System
There are two methods of connecting to the system to login and perform the
initial system configuration using the DR4000 system CLI:
•Local console connection: this is a local access connection between a
local workstation where one connection is made to a USB keyboard port
on the DR4000 front/rear chassis, and another connection is made to the
VGA monitor port on the system rear chassis. (See Figure 3-1 and "Local
Console Connection" on page 14.)
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