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Avamar® Data Store Gen4T Comprehensive Reference Guide 302-002-893 REV 03 Copyr

Avamar® Data Store Gen4T Comprehensive Reference Guide 302-002-893 REV 03 Copyright © 2016 Dell Inc. or its subsidiaries All rights reserved. Published December 2016 Dell believes the information in this publication is accurate as of its publication date. The information is subject to change without notice. THE INFORMATION IN THIS PUBLICATION IS PROVIDED “AS-IS.“ DELL MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WITH RESPECT TO THE INFORMATION IN THIS PUBLICATION, AND SPECIFICALLY DISCLAIMS IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. USE, COPYING, AND DISTRIBUTION OF ANY DELL SOFTWARE DESCRIBED IN THIS PUBLICATION REQUIRES AN APPLICABLE SOFTWARE LICENSE. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be the property of their respective owners. Published in the USA. EMC Corporation Hopkinton, Massachusetts 01748-9103 1-508-435-1000 In North America 1-866-464-7381 www.EMC.com 2 Avamar Data Store Gen4T Comprehensive Reference Guide Introduction 5 Important Avamar terms and concepts.........................................................6 Nodes..............................................................................................6 Utility node...................................................................................... 7 Storage nodes................................................................................. 7 Single-node servers......................................................................... 7 NDMP accelerator node.................................................................. 7 Node resource database (probe.xml)...............................................7 Avamar Downloader Service............................................................ 7 Local downloader service.................................................................7 Avamar FTP site.............................................................................. 8 Avamar Installation Manager........................................................... 8 Avamar login manager..................................................................... 8 Packages......................................................................................... 8 EMC repository............................................................................... 8 Local repository...............................................................................8 Manifest file.................................................................................... 9 Segregated networks...................................................................... 9 Bonded network interfaces..............................................................9 High-availability network................................................................. 9 ConnectEMC...................................................................................9 Email home.....................................................................................10 Data deduplication......................................................................... 10 Replication......................................................................................11 Avamar clients................................................................................ 11 Encryption......................................................................................12 Information for customers...........................................................................12 Fundamental Avamar principles......................................................13 Avamar 7.x installation features overview................................................... 13 How long will the Avamar software installation take?.....................13 Avamar Installation Manager.......................................................... 13 Process flow.................................................................................. 14 Log files......................................................................................... 15 In-flight encryption........................................................................ 15 Avamar Downloader Service...........................................................15 Hardware Specifications 17 Multi-node server component locations...................................................... 18 Hardware specifications..............................................................................19 Utility node.....................................................................................19 M600 (2.0 TB licensed capacity)................................................... 19 M1200 (3.9 TB licensed capacity)..................................................19 M2400 (7.8 TB licensed capacity)..................................................19 Avamar Business Edition/S2400 node (7.8 TB licensed capacity).... 20 NDMP accelerator node................................................................ 20 Service port connectivity........................................................................... 20 Node components.......................................................................................21 Chapter 1 Chapter 2 CONTENTS Avamar Data Store Gen4T Comprehensive Reference Guide 3 Networking 25 Overview.................................................................................................... 26 Default port configuration.......................................................................... 26 Multi-node servers........................................................................ 26 Single-node servers....................................................................... 27 Basic networking configuration.................................................................. 28 Multi-node servers.........................................................................28 Supported network configurations............................................................. 29 Multi-node servers........................................................................ 29 Single-node servers.......................................................................32 Advanced network configuration – dpnnetutil utility.............................34 Features provided by dpnnetutil...............................................35 Replication................................................................................................. 36 Single-node servers.......................................................................36 Multi-node servers.........................................................................38 Installation and Beyond 41 Avamar "installation" process.....................................................................42 Siting............................................................................................. 42 Installation..................................................................................... 42 Implementation..............................................................................42 Everyday use of Avamar servers.................................................................42 Maintenance of the server..........................................................................43 Chapter 3 Chapter 4 CONTENTS 4 Avamar Data Store Gen4T Comprehensive Reference Guide CHAPTER 1 Introduction The following topics introduce Avamar and the Avamar Data Store (ADS) Gen4T family of hardware components: l Important Avamar terms and concepts................................................................ 6 l Information for customers.................................................................................. 12 l Avamar 7.x installation features overview........................................................... 13 Introduction 5 Important Avamar terms and concepts Avamar solves the challenges associated with traditional backup, enabling fast, reliable backup and recovery for remote offices, data center LANs, and VMware environments. Avamar is backup and recovery software that uses patented global data deduplication technology to identify redundant sub-file data segments at the source, reducing daily backup data by up to 500x - before it is transferred across the network and stored to disk. This enables companies to perform daily full backups even across congested networks and limited WAN links. Key Avamar differentiators are: l Deduplication of backup data at the source - before transfer across the network l Enabling of fast, daily full backups across existing networks and infrastructure l Reduction of required daily network bandwidth by up to 500x l Up to 10x faster backups l Encryption of data in flight and at rest l Patented RAIN technology that provides fault tolerance across nodes and eliminates single points of failure l Scalable grid architecture l Reduction of total backup storage by up to 50x due to global data deduplication l Daily verification of recoverability - no surprises l Centralized web-based management l Simple one-step recovery l Flexible deployment options, including the Avamar Data Store package The remainder of this section provides descriptions of key terms used in this guide and other Avamar core software guides. Nodes The primary building block in any Avamar system is a node. Each node is a self- contained, rack-mountable, network-addressable server that runs Avamar software on the Linux operating system. All Avamar nodes are Domain Name System (DNS) clients. Note The term "server" in the previous definition is used in the typical industry context (that is, a computer that provides services to other computers or devices). However, for the remainder of this guide, unless otherwise specified, the term "server" is used to refer to a single node or multi-node Avamar system. The term "node" is used to refer to the individual computer/storage platforms that make up an Avamar server. All nodes run the Linux operating system and use RAID data protection. Nodes have 2, 4, 6, 8, or 12 hard drives, depending on node type and storage capacity. The primary differences between node types are: l The amount of internal data storage (if any) l How internal data storage is configured and allocated (that is, RAID level, number of logical units [LUNs] and so forth) Introduction 6 Avamar Data Store Gen4T Comprehensive Reference Guide l The Avamar application software that is installed on each node type Hardware Specifications on page 17 provides additional information. Utility node In scalable multi-node Avamar servers, a single utility node provides essential internal services for the server (for example, administrator server, replication, external authentication, network time protocol [NTP], and Web access). Because utility nodes are dedicated to running these essential services, they cannot be used to store backups. Storage nodes The remaining nodes in scalable multi-node Avamar servers are storage nodes, which store the actual backups. There are three storage node models, the primary difference being the amount of usable storage available: the M600, M1200, and M2400. They are also offered as single node Avamar servers. Single-node servers Single node Avamar servers combine all the features and functions of utility and storage nodes on a single node. There are four single-node server models: the M600, M1200, M2400, and S2400. The S2400 (the Avamar Business Edition) is offered only as a single-node server and features no requirement for replication. NDMP accelerator node An Avamar NDMP accelerator (accelerator node) is a dedicated single-node Avamar client that, when used as part of an Avamar system, provides a complete backup and recovery solution for supported EMC Isilon, Unity, VNX, VNXe, and Celerra systems, Oracle NAS systems, and NetApp filers by using Network Data Management Protocol (NDMP) to communicate with these storage devices. It is not part of the ADS server. For installation instructions, refer to the EMC Avamar NDMP Accelerator User Guide. Node resource database (probe.xml) An XML file that stores the types and IP addresses of Avamar server nodes. In addition, probe.xml stores the types and IP addresses of optional nodes, and supports both Network Address Translation (NAT) and multiple network interfaces. Avamar Downloader Service A Windows-based file distribution system that delivers software installation packages to target Avamar systems. Avamar Downloader Service on page 15 provides more information. Local downloader service A component integrated into the Avamar Installation Manager. The local downloader service (LDLS) allows administrators to check the EMC repository for updated software packages by using the Avamar Installation Manager web interface. The LDLS supports environments where local Windows hosts are unavailable, removing the requirement to copy files directly to the local repository. Introduction Utility node 7 Avamar FTP site An EMC FTP site that provides anonymous access to Avamar hotfixes and operating system (OS) patches. The FTP site is ftp://ftp.avamar.com. Typically, access to this site is for EMC personnel (there may be exceptions). The contents of the FTP site are not browsable. Avamar Installation Manager A web interface that manages installation, upgrade, and maintenance packages. Avamar Installation Manager on page 13 provides more information. Avamar login manager A process that provides access to an external authentication database, which enables the Avamar system to use existing username and password information for Avamar authentication. Without the login manager, Avamar can only use its internal authentication mechanism. An Avamar server installation or upgrade installs the login manager, and then starts it. The login manager uses the domains configuration file to identify the supported domains. Packages Avamar software installation files, hotfix patches, and operating system (OS) patches available from the EMC repository. Packages comprise three types: l Client - A release of Avamar file system or application backup software. l Server - A new release of Avamar server software, a service pack, or a patch for the operating system, management console, or Avamar software. l Workflow - A package that runs operations such as replacing a node or changing the session security configuration. Package files use the extension .avp. EMC repository A repository that contains server installation packages, client installation packages, and manifest files. The EMC repository currently spans two locations: ftp:// ftp.avamar.com and EMC Subscribenet: l High urgency packages such as hot fixes and OS patches are available from ftp:// ftp.avamar.com. l Low urgency packages that have security and entitlement considerations are available from EMC Subscribenet. The actual source location uploads/Litterature/ gen4t-reference-guide 1 .pdf