Barracuda Networks 4 User Manual
RECLAIM YOUR NETWORK™
Administrator’s Guide
Barracuda Backup Service
Barracuda Networks Technical Documentation
Version 4.0
Copyright Notice
Copyright 2004-2011, Barracuda Networks
www.barracuda.com
v4.0-110630-01-0630
All rights reserved. Use of this product and this manual is subject to license. Information in this document is subject to change without notice.
Trademarks
Barracuda Backup Service is a trademark of Barracuda Networks. All other brand and product names mentioned in this document are registered trademarks or
trademarks of their respective holders.
Contents
Chapter 1 – Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 5
Features of the Barracuda Backup Service. . . . . . . . . . . . . . . . . . . . . . 6
Barracuda Cloud Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Site-to-Site Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Deduplication for Backup Efficiency. . . . . . . . . . . . . . . . . . . . . . . . 6
Rate Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Microsoft Application Support . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Email Message-level Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Data Retention Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Web Interface for Management . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Restore-Focused . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Standard Network Protocols. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
The Barracuda Backup Service Interface . . . . . . . . . . . . . . . . . . . . . 8
The Web Interface for the Barracuda Backup Server . . . . . . . . . . . . . . . 8
The Administrative Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chapter 2 – Backup Deployment Options . . . . . . . . . . . . . 9
Deployment Options Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Deployment Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Chapter 3 – Getting Started . . . . . . . . . . . . . . . . . . . . . . 15
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Physically Installing the Barracuda Backup Server . . . . . . . . . . . . . . . 16
Configuring Your Corporate Firewall . . . . . . . . . . . . . . . . . . . . . . 16
Configuring the IP Address and Network Settings . . . . . . . . . . . . . . . 16
Creating an Account. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Linking Your Barracuda Backup Server to an Account . . . . . . . . . . . . . 17
Chapter 4 – Configuring Backups . . . . . . . . . . . . . . . . . 19
Overview of Backup Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 20
Where Data is Backed Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Options for Backing Up Data . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Microsoft Server Applications . . . . . . . . . . . . . . . . . . . . . . . 20
Microsoft Exchange Storage Group Backup . . . . . . . . . . . . . . . . 20
Microsoft SQL Server Backup . . . . . . . . . . . . . . . . . . . . . . . 21
Windows System State Backup . . . . . . . . . . . . . . . . . . . . . . 21
Message-Level Backup: Microsoft Exchange and Novell GroupWise . . . 22
Other File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Steps to Backing Up Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Backups for Mac OS X/Linux/Unix (SSH Connections) . . . . . . . . . . 24
1
Directory Based File Shares . . . . . . . . . . . . . . . . . . . . . . . . 24
Message-Level Backup: Microsoft Exchange and Novell GroupWise . . . 24
Chapter 5 – Site-to-Site Replication . . . . . . . . . . . . . . . 29
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Before Starting Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Configuring Destinations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Specifying Data Replication Destination . . . . . . . . . . . . . . . . . . . . 30
Disabling a Destination Temporarily. . . . . . . . . . . . . . . . . . . . . . . 30
Loss of Communication to Destination and Queue Size . . . . . . . . . . . . 30
Chapter 6 – Restoring Data . . . . . . . . . . . . . . . . . . . . . 31
Restoring from Local and Offsite Backups . . . . . . . . . . . . . . . . . . . . . 32
Restoring Data Backed up by the Barracuda Backup Agent . . . . . . . . . . 32
Restoring File Share Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Using the Restore Browser in the Barracuda Backup Server Web Interface . . 32
Using the Barracuda Restore Tool for Windows . . . . . . . . . . . . . . . . 33
Restoring an Exchange Storage Group . . . . . . . . . . . . . . . . . . . . . 33
Restoring a Microsoft SQL Database . . . . . . . . . . . . . . . . . . . . . . 34
Restoring an SQL User Database . . . . . . . . . . . . . . . . . . . . . 34
Restoring an SQL Master Database . . . . . . . . . . . . . . . . . . . . 34
Restoring Windows System State. . . . . . . . . . . . . . . . . . . . . . . . 34
Restoring Exchange and GroupWise Messages . . . . . . . . . . . . . . . . 35
Using FTPES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Using FTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Using Windows Explorer and WebDAV . . . . . . . . . . . . . . . . . . . . . 36
Chapter 7 – Securing Your Backups. . . . . . . . . . . . . . . . 39
Barracuda Backup Service Security . . . . . . . . . . . . . . . . . . . . . . . . 40
Communication and Configuration . . . . . . . . . . . . . . . . . . . . . . . 40
Data Transmission and Storage. . . . . . . . . . . . . . . . . . . . . . . . . 40
Management Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Monitor Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Restrict Logins by IP Address . . . . . . . . . . . . . . . . . . . . . . . 40
Secure Network Access . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Barracuda Cloud Storage Standards and Protection . . . . . . . . . . . . . . . . 42
Storage Facility Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Oversight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Backup Security and Site-to-Site Replication. . . . . . . . . . . . . . . . . . . . 43
Policy-Based Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Chapter 8 – Administering the Barracuda Backup Service45
Administrative Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Managing Your Account and Adding Users . . . . . . . . . . . . . . . . . . . 46
Edit User Settings Specific to the Barracuda Backup Service . . . . . . . . . 46
2 Barracuda Backup Service Administrator’s Guide
Verifying Your Barracuda Cloud Storage Service Plan Size. . . . . . . . . . . 46
Chapter 9 – Monitoring the Barracuda Backup Service . . 47
Monitoring Backup Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Backup Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
User Activity Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Managing Email Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Shutting Down a Barracuda Backup Server. . . . . . . . . . . . . . . . . . . 50
Wiping a Barracuda Backup Server . . . . . . . . . . . . . . . . . . . . . . . 50
Front Panel Indicator Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Appendix A – About the Hardware . . . . . . . . . . . . . . . . . 51
Hardware Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Notice for the USA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Notice for Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Notice for Europe (CE Mark) . . . . . . . . . . . . . . . . . . . . . . . . 51
Appendix B – Limited Warranty and License . . . . . . . . . 53
Barracuda Networks Limited Hardware Warranty (v 2.1) . . . . . . . . . . . . 53
Exclusive Remedy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Exclusions and Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Barracuda Networks Software License Agreement (v 2.1) . . . . . . . . . . . 54
Barracuda Networks Energize Updates and Other Subscription Terms . . . . 58
Barracuda Networks Software License Agreement Appendix . . . . . . . 58
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4 Barracuda Backup Service Administrator’s Guide
Chapter 1
Introduction
This chapter describes some of the features of the Barracuda Backup Service and the interfaces that
you can use to interact with it.
Features of the Barracuda Backup Service ........................................ .6
Interfaces ............................................................................................ .8
Introduction 5
Features of the Barracuda Backup Service
The Barracuda Backup Service provides a comprehensive way to back up your data. It includes
backup software, storage and replication in one solution. It employs a powerful deduplication
technology to reduce the backup storage footprint. It is easy to use, reliable and affordable.
Barracuda Cloud Storage
Barracuda Cloud Storage subscription plans provide diverse offsite storage that scales to meet your
changing data requirements. Barracuda Cloud Storage includes secure backup to two separate data
centers. Storage is allocated in 100 gigabyte increments and is all disk-based.
Site-to-Site Replication
You can choose to install multiple Barracuda Backup Servers that can synchronize data amongst
themselves on an ongoing basis. These Barracuda Backup Servers may be installed in multiple
geographical areas to increase the reliability of the data storage. Each Barracuda Backup Server can
send data to one or more other Barracuda. Only models 490 and higher can receive data from other
Barracuda Backup Servers.
Site-to-site replication provides secure backup to the number of data centers that you implement. You
can also choose to backup data to a combination of Barracuda Backup Servers and Barracuda Cloud
Storage.
Deduplication for Backup Efficiency
The Barracuda Backup Service employs certain techniques to decrease the amount of bandwidth
required to perform backups, keep backup windows as short as possible, and reduce your storage
costs. For example, after the initial backup of your computers is complete, the Barracuda Backup
Server targets added, changed, or deleted data only, skipping files that have previously been backed
up and are unchanged.
In addition, Barracuda Networks has developed an innovative deduplication method of "bit
differential analysis" that breaks backed-up data into parts, which are then fingerprinted and
compared to all parts on record. Unique binary data parts are kept. Duplicate parts are catalogued in
a database for reference and then discarded. For example, if two of your servers share some data, then
only one copy of that data is stored in each Barracuda Backup Server.
In order to perform deduplication, the Barracuda Backup Service breaks files down into parts that are
no larger than 1 megabyte in size so that they can be analyzed and compared. Those parts are AES
256-bit symmetrically encrypted and each part has its own encrypted key. The parts are stored in their
encrypted state in the backup location and remain encrypted until a restore is requested.
Rate Limit
The Barracuda Backup Service enables control over the rate at which data is replicated to the other
back up locations throughout the day. The rate control feature provides for the preservation of Internet
bandwidth during peak usage and optimizes offsite backup transfers during daily non-peak hours.
6 Barracuda Backup Service Administrator’s Guide
Microsoft Application Support
The Barracuda Backup Agent provides the ability to back up these Microsoft server applications:
Exchange, SQL, Hyper-V, System State and Sharepoint. In each case, a full restore of these
environments allows an organization to recover in the event that their environment has been corrupted
or destroyed. Additional restore options allow Exchange to be restored to a recovery group or
database or for Exchange or SQL to be restored to a flat file. The Barracuda Backup Agent also
provides support for open file backups and file attributes and permissions.
Email Message-level Backup
The message-level backup of email feature stores every email message from each user mailbox at the
time of backup. If messages are accidentally deleted or corrupted they can be quickly located and
restored. Individual email messages, entire folders of emails, or all of the emails for a specific user
can be restored to the email server without having to restore the entire server. The restored emails can
be sent directly back to their original location in the user’s mailbox or to an alternate location. You
can view individual messages that were backed up on a certain date using the Barracuda Backup
Service Web interface.
Message-level backup of email is not for use in a disaster recovery situation. This feature should be
used in conjunction with full backups of the email system to provide both convenience and complete
protection.
Security
There are a number of different security features provided by the Barracuda Backup Service. These
are described in Securing Your Backups on page 39.
Data Retention Policies
The Barracuda Backup Service provides a configurable and flexible data retention policy based on a
traditional grandfather-father-son snapshot rotation model.
Web Interface for Management
The Barracuda Backup Service and the individual Barracuda Backup Servers are managed by an easyto-use Web-based interface.
Restore-Focused
The Barracuda Backup Service provides multiple ways to restore your backed-up data. You can
restore single files, individual email messages and entire systems.
Standard Network Protocols
Introduction 7
The Barracuda Backup Service can use standard network protocols like CIFS and SSHFS.
Interfaces
The Barracuda Backup Service Interface
The Web Interface for the Barracuda Backup Server
There are three administrative interfaces to the Barracuda Backup Service:
• The hosted Web interface of the Barracuda Backup Service,
• The local Web interface for the Barracuda Backup Server, and
• The administrative console for the Barracuda Backup Server.
This is the primary interface you will use to manage all of your linked Barracuda Backup Servers and
everything associated with backups.
To access the Web interface of the Barracuda Backup Service, log into your Barracuda Networks
account and click Backup Service at the top of the screen.
Network settings for the Barracuda Backup Server can be configured remotely using its Web
interface. You can also reboot or shut down the system, or open a tunnel that allows access by
Barracuda Networks Technical Support.
To access this interface, type the IP address of the Barracuda Backup Server in a Web browser. Log
in using your Barracuda Networks account.
The Administrative Console
Use the administrative console to specify network settings on the Barracuda Backup Server at setup.
Plug a keyboard and monitor into the Barracuda Backup Server to use this interface.
8 Barracuda Backup Service Administrator’s Guide
Chapter 2
Backup Deployment Options
This chapter describes the Barracuda Backup Service deployment options. It includes the following
topics:
Deployment Options Overview ......................................................... .10
Deployment Options ......................................................................... .11
Backup Deployment Options 9
Deployment Options Overview
The Barracuda Backup Service includes a full local data backup, which is performed by the Barracuda
Backup Server, and multiple options for offsite data storage. The local backup can be sent to the
Barracuda Cloud Storage, which replicates data at two offsite locations, or one or more other private
Barracuda Backup Servers for site-to-site replication. Or, a hybrid approach may be taken where the
data is sent to a combination of the Barracuda Cloud Storage and one or more Barracuda Backup
Servers. All of these approaches provide the best of both worlds – onsite backups for fast restore times
and secure offsite storage for disaster recovery.
10 Barracuda Backup Service Administrator’s Guide
Deployment Options
In all deployment scenarios, the Barracuda Backup Server is positioned between the firewall and the
systems to be backed up, and the data from your client and server systems is first backed up to the
Barracuda Backup Server.
As shown in Figure 2.1, the data can then be backed up again to:
• Barracuda Cloud Storage, which is maintained by Barracuda Networks.
• One or more Barracuda Backup Servers, which ideally would be located in different sites. This
option is called site-to-site replication.
• Or even a combination of the two.
Figure 2.1: Backup Options
Figure 2.2 shows an example of site-to-site replication, where a Barracuda Backup Server acts as a
backup to three Barracuda Backup Servers. Each Barracuda Backup Server can send data to one or
more other Barracuda Backup Servers. Only models 490 and higher can act as a back up to other
Barracuda Backup Servers, although any model can send data to a Barracuda Backup Server.
Backup Deployment Options 11
Figure 2.2: Site-to-Site Replication
Figure 2.3 shows the Barracuda Backup Server located in a network and its backups being stored on
the Barracuda Cloud Storage.
Figure 2.3: Using Barracuda Cloud Storage
Figure 2.4 shows a Barracuda Backup Server storing its backups on a Barracuda Backup Server
located in a different office.
12 Barracuda Backup Service Administrator’s Guide
Figure 2.4: Site-to-Site Deployment
Backup Deployment Options 13
14 Barracuda Backup Service Administrator’s Guide
Chapter 3
Getting Started
Use this chapter as a guide to installing your Barracuda Backup Servers and linking them to the
Barracuda Backup Service.
Installation .........................................................................................16
Getting Started 15
Installation
Before installing your Barracuda Backup Server, verify that you have the necessary equipment and
information:
Physically Installing the Barracuda Backup Server
1. Fasten the Barracuda Backup Server to a 19-inch rack or place it in a stable location.
2. Connect an Ethernet cable from your network switch to the Ethernet port on the back panel of
3. Connect the power cord, VGA monitor, and a PS2 keyboard to the Barracuda Backup Server.
4. Press the POWER button on the front panel to turn the unit on.
• Barracuda Backup Server (check that you have received the correct model)
•AC power cable
• Ethernet cables
• VGA monitor (recommended)
• PS2 keyboard (recommended)
• Barracuda Backup Server serial number and linking code (on both the side of the
Barracuda Backup Server and the included Quick Start Guide)
• Connectivity and access information for servers to be backed up
the Barracuda Backup Server.
Configuring Your Corporate Firewall
If the Barracuda Backup Server is located behind a corporate firewall, you may need to open the
following ports to allow communication between the Barracuda Backup Server and the Internet.
• Ports 1194 and 5120-5129 outbound for both TCP and UDP traffic. The ports are used to
transfer data to either Barracuda Cloud Storage or to another Barracuda Backup Server over the
Internet.
If you would like to restrict the outbound network traffic on these ports to Barracuda Cloud
Storage, contact Barracuda Networks Technical Support for a list of the IP addresses to allow.
• Ports 80 and 443 outbound for TCP traffic. The Barracuda Backup Server uses port 80 as a fail
over in the event that port 1194 is closed.
Configuring the IP Address and Network Settings
By default, the Barracuda Backup Server is configured to obtain an IP address on your network using
DHCP. If you want to assign it a static IP address instead, you can configure it using the console
administration interface. If not, skip the following steps.
To configure the Barracuda Backup Server to use a static IP address:
1. Connect a monitor and keyboard to the Barracuda Backup Server.
2. Use your arrow keys to highlight the DHCP/Static field.
3. Using the spacebar select Static for your IP address assignment preference.
16 Barracuda Backup Service Administrator’s Guide
Enter the IP Address, Netmask, Default Gateway, Primary DNS Server and Secondary DNS
4.
Server (optional) as appropriate for your network.
5. Click Enter on the Commit Changes box.
If the Barracuda Backup Server is not able to connect to the Internet using the assigned address, it will
switch to Smart-mode. When in Smart-mode, the Barracuda Backup Server discovers an unused IP
address in its subnet and uses that address. This is intended to be a temporary measure of establishing
network connectivity. Once the connectivity issue is resolved, the DHCP/Static field should be
changed to DHCP or static IP address using the console administration interface.
The LAN and Internet boxes on the console administration interface will be green when the Barracuda
Backup Server is determined to be online. The Barracuda box will remain red until it is linked to an
account later in the installation process.
Creating an Account
You must have a Barracuda Networks account to use the Barracuda Backup Service. If you already
have a Barracuda Networks account, skip to the next step.
If you do not already have an account, follow these steps:
1. Go to the following URL:
http://login.barracudanetworks.com
2. Complete the fields on the Create New Account page and click Submit.
Linking Your Barracuda Backup Server to an Account
Your Barracuda Backup Server must be linked to your Barracuda Networks account before you can
initiate data backups.
To link your Barracuda Backup Server to your Barracuda Networks account:
1. Go to this URL:
http://login.barracudanetworks.com
2. Sign in with your Username and Password.
3. If the Barracuda Backup Service is your default or only Barracuda Networks product, then the
Barracuda Backup Service Web interface appears. If not, click Backup Service at the top of the
screen.
4. Click Start Backup Service Setup, and then select the STATUS tab.
5. Click Link a Barracuda Backup Server.
6. Enter your Serial Number and Linking Code from the sticker attached to the Quick Start
Guide that shipped with your Barracuda Backup Server. These values are case sensitive. The
Serial Number can also be found on a sticker on the back of the unit. Follow the on-screen
prompts to complete linking and to supply your account information.
The linking process could take a few minutes to complete. Wait until the
appears, indicating that the Barracuda Backup Server was successfully linked to your account. A
green light next to the Barracuda Backup Server on the
Barracuda Backup Server has successfully connected.
STATUS page indicates that your
STATUS page
Getting Started 17
18 Barracuda Backup Service Administrator’s Guide
Configuring Backups
This chapter describes how to configure backups of your data.
Overview of Backup Configuration ...................................................20
Steps to Backing Up Data.................................................................. 23
Chapter 4
Configuring Backups 19
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