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1© Copyright 2011 EMC Corporation. All rights reserved.
Remote/Branch Office
Backup and Recovery
ADITYA VENKATESH
Technical Specialist(BACKUP/STORAGE)

Agenda
• Today’s data protection reality
• The usual answers
• Avamar overview
• -How it works
• -Flexible deployment
• Remote/Branch Office (ROBO) Research
• Primary Storage Solutions
• Addressing Backup and Recovery
• EMC Solves ROBO Challenges
• Q&A

Today’s Data Protection Reality
• Data growth is immense
• Companies want more data protected
• Time required for backup is expanding
• Backup hampered by tape’s unreliability and poor performance
• Virtual machines pose unique backup challenges
• Increasing volume of data at remote offices
• More data stored locally on desktops and laptops

The Usual Answers
• Backup to tape, or stage to disk, and then archive to
tape
• Manually move tapes offsite for disaster recovery
Traditional backup and recovery
• Inefficient and slow, ~200% of primary data moved
across the network weekly
• Tedious, multi-step recovery process
• Risks the loss or theft of unencrypted tapes in transit
• Data is difficult to recover and leverage

Avamar Overview

Avamar Overview
Backup and recovery software with integrated global,
source data deduplication
 Reduces the size of backup data at the source—
before it is transferred across the network
 Delivers fast, daily full backups using existing infrastructure
 Reduces network bandwidth for backup by up to 500 times
 Deduplicates across sites and servers, reducing total
backup disk storage by up to 50 times
 Cost-effectively stores daily full backups on disk—reducing
or eliminating the need for tape
 Ideal for protecting VMware environments, remote offices,
LAN/NAS servers, and desktop/laptop systems
Avamar Software
Avamar Data Store
Avamar Virtual
Edition for VMware
Avamar
server
deployed as
a virtual
appliance
Agent-only
or deployed
on qualified,
industry-
standard
servers
Fully integrated
software/hardware
offering

Number of Remote Offices
Source: Enterprise Strategy Group, Remote Office/Branch Office Technology Trends, July 2011
Lots of remote offices and growing quickly
 67% of midmarket firms have 10 or fewer ROBOs
 57% of enterprise firms have 50 or more ROBOs

Data at Remote Offices
 On average: 39% have < 1 TB; 24% have 1-5 TB

Purpose-Built Backup Appliances
Open Systems + Mainframe
EMC
IBM
HP
Oracle
Quantum
Sepaton
FalconStor
Dell
Others
2010 Total Market
$1.69B
EMC:
64.2%
Source: Worldwide Purpose-Built Backup Appliance 2011–2015 Forecast and 2010 Vendor Shares, May 2011, IDC.
Chart: Worldwide Supplier Revenue, Total PBBA Market

Gartner Report
EMC:
64.2%
.

ROBO Backup and Recovery Challenges
• Reasons to consider ROBO backup via WAN to a
centralized location
– Concerns about backup data security at ROBO
– Storage system costs
– ROBO backup quality is poor (speed, reliability, frequency)
– Lack of qualified IT resources at ROBO
– Concerns about regulatory compliancy
– Administrative staff costs
– Storage media costs, Tape islands at each location
– Offsite courier costs

Deduplication Is the Key
• Relieves congested networks
• Contains backup storage
growth
• Reduces backup time
• Provides more effective
disaster recovery
• Enables daily full backups

Network
B
A
C C
D
D
B
A
B
A
C
B
A C
B
C
D
DA
B
A
B
A
C
D
Deduplication Is the Enabler
Move and store less data
1. Divides data into variable-length sub-file segments
2. Determines if segments are unique or duplicate
3. Backs up only unique data
4. Sends data compressed and encrypted

Remote
Site 2 Modified Instance
EMC Avamar
Never Backup the Same Data Twice
Data
Center
Only unique data
segments are
backed up
 First Instance
New data segment
identified and
backed up
Avamar: How it Works
Simple example of global, sub-file deduplication
Remote
Site 1 Duplicate Instance
Data already backed up,
so only unique IDs stored
(20 byte pointers)
Deduplication server
(stored backup data)
A B C D
A
B
C
D
E
E

Real-World Results
Avamar Daily Full Backups vs. Traditional Fulls
Data Type
Amount of Primary
Data Backed Up
Amount of Data
Moved Daily
Windows file systems 4 TB 6 GB
Mix of Windows, Linux, and UNIX file systems 5 TB 12 GB
Engineering files on NAS (NDMP backups) 3 TB 24 GB
Mix of 20% databases, 80% file systems (Windows and UNIX) 10 TB 80 GB
Mix of Linux file systems and databases 8 TB 104 GB
Source: EMC
While results will vary by data type and mix, Avamar can dramatically
improve backup performance and efficiency

Shorten Backup/Recovery Times
Avamar shrinks backups and speeds data recovery
TRADITIONAL BACKUP AVAMAR BACKUP
Meet strict SLAs and RPO/RTO
Long backup cycles
Laborious restore process
Up to 90% faster backups
Simple, one-step recovery

Simplify with Scalable Management
• Intuitive, web-based interface
for centralized management
• At-a-glance dashboards
• Capacity reporting and alerting
• Simple interface for desktop
and laptop clients
Policy-based management over existing network bandwidth

Avamar for Remote / Branch Offices
Fast, daily full backups via existing WAN links
Direct to Local Single Node or AVE
Replicate to Main Data Store
LARGE REMOTE OFFICE
• Small remote offices
simply deploy Avamar
agents on the servers
(clients)
• Large remote offices with
strict SLAs for recovery
may deploy Avamar Data
Store or Avamar Virtual
Edition servers
Direct to Avamar Data Store
in the Data Center
SMALL REMOTE OFFICE

Avamar Streamlines Enterprise
Backup and Recovery
SECONDARY SITE
PRIMARY DATA CENTER
Avamar Protects at the
Guest and the Image Level
Direct to Local
Avamar Data Store
Replicate to Main Data Store
Avamar Agents Only
Direct to Main Data Store
SMALL REMOTE OFFICE
DESKTOPS AND LAPTOPS LARGE REMOTE OFFICE
VIRTUALIZED ENVIRONMENTS
Virtual Infrastructure

Architecture with(EMC AWAMAR)

Optimized for Virtual Environments
• Fast, daily full Guest & Image backups
• One-step, file-level recovery from image backup
• VMware environments
– Supports vStorage API for Data Protection (VADP)
– Changed Block Tracking, VM load balancing
– vCenter Server integration
• Microsoft Hyper-V environments
– Federated Hyper-V Cluster Shared Volumes backup and
recovery
– Recover VMs to alternate Hyper-V servers
– Granular Level Recovery (GLR) for faster restores

Optimized for Virtual Environments

Avamar Protects ROBO Data
• Fast, daily full backups via existing
LAN/WAN
• Integrated data deduplication
• One-step recovery
• Simple, centralized management
• Built-in high availability and
reliability
• Single, scalable solution
• Integrated with EMC Data Domain
and NetWorker

EMC AVAMAR FOR
DESKTOPS AND
LAPTOPS
Protecting enterprise data at the edge

Customer Pain Points
• Data outside corporate backup policies
• Users define how to backup data – security
and reliability issues
• Slow and cost prohibitive to backup laptop
data via WAN
• Backups are too time and resource intensive
on user system

More Data Now Residing Outside the
Traditional Data Center
• 1.78 billion personal computers will
be in use by 2015*
• 946 million mobile workers
worldwide in 2009 and...**
• ...growing to 1.19 billion by 2015 or
about 35% of global workforce**
“While edge devices can be a tremendous boon to productivity,
they pose significant risks.”***
*Source: “Gartner Highlights Key Predictions for IT Organizations and Users in 2010 and Beyond,” Gartner press
release, January 13, 2010
**Source: “Worldwide Mobile Worker Population 2009–2013 Forecast,” IDC, December 2009
***Source: Buyer’s Guide: Enterprise Desktop and Laptop Data Protection, IDC, September 2010

Key Remote Data Challenges

End-user initiated
restore
Windows or Mac OS X
Avamar Data Store
All benefits of Avamar data
deduplication plus...
• Convenient, nondisruptive
backups
• End-user self-service recovery
• Document-level search engine
• Supports thousands of users
• Enhanced security
• Multi-language support
• Cross-platform restore
• And no “per client” fees
Avamar for Desktop/Laptop Backup
A single solution to protect from the edge to the data center

Simple and Secure
• Integrates with domain and
file system security
• No additional login required
• Flexible options
– End-users can only restore
their own files
– Domain users can restore
from alternate computer
– Authorized users can modify
backup dataset and
schedule

Self-Service Recovery—
Restore by Search

Self-Service Recovery—
Restore by Browse

Activity History

Client Management

THANK YOU

THANK YOU
EMC Avamar DEDUP analysis

Summary: Avamar for Desktops/Laptops
• Self-service recovery without IT help desk
• Automatic and transparent to end users
• Enhanced security
• Scales to support thousands of end users
• Single solution from edge to data center
– Fast, daily full backups via existing IP
networks
– Integrated data deduplication
– Scalability, high availability, reliability
– Single-step recovery
– Flexible deployment options

USE CASE
St. Peter’s Health Care Services
Backing up a VMware infrastructure
Before Avamar
 Data center redesign focused on server consolidation
and virtualization
 Concern about traditional, tape-based backup in
VMware environment
 Backup windows strained; physical resources
overburdened
With Avamar
 Deployed agents within virtual machines
 95% reduction in data moved
 90% reduction in backup times
 Major reductions in NIC, CPU, and memory usage
 Centralized management and control
“Avamar provides a huge
time and cost savings
for backup of multiple
virtual machines.”
With Avamar, we can
centrally manage all of
our backups, and we
also gain the ability to
rapidly restore data
down to the file level.”
— Curtis Damhof,
Network Manager,
St. Peter’s Health Care Services

USE CASE
Virginia Department of Motor
Vehicles
Remote-office/branch-office backup
Before Avamar
 73 remote offices, backup to local, direct-attached
tape drives
 No local IT staff
 Daily backup required five hours per site; six hours to
restore entire server
With Avamar
 Four hours to back up all 73 offices through existing
WAN (56k-T1) to central Avamar server
 45 minutes to restore entire servers; files restored in
seconds
 Centralized management and control
“Avamar enabled us to
reduce administrative
support requirements
by 80%, reduce backup
windows by 90%, and
recover lost files and
servers in minutes
rather than hours.”
— Mike DePhillip,
Backup Administrator,
Virginia DMV

THANK YOU

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