Adaptec Snap Server 700i Series User manual

Snap Server™700i Series
User’s Guide
for Adaptec OnTarget™-Powered Snap Servers

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Snap Server 700i User’s Guide 1
Contents
Preface ..................................................................................... 7
Chapter 1 About this Guide ................................................................................ 7
What’s Included in this User’s Guide .......................................................8
What You Need to Know Before You Begin .............................................8
Terminology Used in this Guide ..............................................................8
Service and Technical Support ................................................................9
Notes and Cautions .............................................................................10
Finding More Information ....................................................................11
Chapter 2 Planning Your IP SAN ....................................................................... 13
Introduction to Adaptec Storage Manager for iSCSI Storage ...................13
Understanding Adaptec Storage Manager’s Main Components...............16
Planning Your IP SAN Configuration and Setup .....................................18
Sample IP SAN Configurations .............................................................19
Building an IP SAN Without a DHCP Server...........................................24
System Requirements............................................................................25
Chapter 3 Installing Adaptec Storage Manager.................................................. 27
Before You Begin .................................................................................27
Installing on Windows..........................................................................27
Installing on Linux ................................................................................30
Using Adaptec Storage Manager with a Firewall....................................32
Chapter 4 Setting Up Your iSCSI Storage Appliance and IP SAN......................... 33
An Overview of the Setup Process .........................................................33
Before You Begin .................................................................................34

2 Snap Server 700i User’s Guide
Step 1: Starting Adaptec Storage Manager............................................35
Step 2: Configuring the iSCSI Storage Appliance ...................................36
Step 3: Creating RAID Pools .................................................................38
Step 4: Provisioning Storage to Your Systems.........................................40
Step 5: Continuing to Build Your IP SAN................................................46
Step 6: Logging in to the iSCSI Storage .................................................46
Step 7: Registering Your iSCSI Storage Appliance ..................................47
Beginning to Use Your IP SAN ..............................................................47
Chapter 5 Getting to Know Adaptec Storage Manager....................................... 51
Working in Adaptec Storage Manager..................................................51
Navigating the Main Window ..............................................................52
Checking System Status from the Main Window.....................................59
Getting Help........................................................................................60
Uninstalling Adaptec Storage Manager .................................................60
Chapter 6 Protecting Your Data......................................................................... 61
Protecting Your Data with Hot Spares ....................................................61
Backing Up Your Data with Snapshots...................................................64
Backing Up Your Data with Mirrored Volumes .......................................69
Chapter 7 Controlling Access to Your IP SAN ..................................................... 77
Limiting Discovery of iSCSI Targets with Auto-discovery Control Lists........77
Controlling Access to Your IP SAN with Authentication ...........................79
Limiting User Access to Your IP SAN with the Security Manager ..............80
Chapter 8 Modifying Your iSCSI Storage ........................................................... 85
Adding More Components to Your IP SAN ............................................85
Creating and Modifying Pools...............................................................88
Creating and Modifying Volumes..........................................................95
Creating and Modifying Logical Devices................................................98

Contents 3
Chapter 9 Maintaining Your iSCSI Storage Appliance .......................................101
Configuring the Uninterruptible Power Supply (UPS) Monitor ................ 101
Blinking Appliances, Enclosures, and Disk Drives ................................. 103
Shutting Down the iSCSI Storage Appliance ........................................ 104
Shutting Down and Restarting the iSCSI Storage Appliance .................. 104
Changing the iSCSI Storage Appliance’s Settings................................. 104
Updating the Adaptec OnTarget Operating System.............................. 105
Chapter 10 Monitoring Status and Activity .......................................................109
Monitoring Jobs in Progress ............................................................... 109
Viewing Status and Activity ................................................................ 112
Using Status and Drive Light Behavior to Monitor Components.............. 115
Notifying Users By Email About Status and Activity .............................. 120
Notifying Users By SNMP Trap About Status and Activity ..................... 124
Monitoring Your GuardianOS-Powered Snap Servers .......................... 126
Chapter 11 Updating and Customizing Adaptec Storage Manager....................133
Updating Adaptec Storage Manager .................................................. 133
Customizing Adaptec Storage Manager.............................................. 133
Creating and Working with Display Groups ........................................ 135
Chapter 12 Solving Problems...........................................................................137
General Troubleshooting Tips ............................................................. 137
Troubleshooting Questions and Answers ............................................. 138
Silencing an Alarm............................................................................ 142
Identifying Failed or Failing Components............................................. 143
Hot Swapping Disk Drives.................................................................. 144
Recovering from a Disk Drive Failure .................................................. 145
Rebuilding Pools................................................................................ 147
Recovering Snapshots After a Pool Capacity Failure............................. 148

4 Snap Server 700i User’s Guide
Using the Reset Button to Perform a Limited Reset of the Appliance.........148
Recovering from an iSCSI Storage Appliance Failure............................149
Appendix A Configuring iSCSI Initiators .......................................................... 155
Configuring iSNS with the CLI.............................................................155
iSCSI Configuration for Microsoft Windows .........................................157
iSCSI Configuration for Red Hat or SUSE Linux ....................................169
iSCSI Configuration for VMware.........................................................173
iSCSI Configuration for Solaris............................................................174
Appendix B Using the CLI................................................................................ 177
Accessing the CLI...............................................................................177
Access Levels and Passwords ..............................................................178
Using the Wizard to Configure Your iSCSI Storage Appliance...............179
About CLI Commands and Parameters.................................................181
About the Command Format in This Guide ..........................................182
Command Completion .......................................................................182
Command Line Editing .......................................................................183
Viewing Long Reports.........................................................................184
The CLI and Adaptec Storage Manager ...............................................184
Getting Help......................................................................................185
Appendix C Your Snap Server 700i Series....................................................... 187
Hardware Components ......................................................................187
Product Descriptions...........................................................................188
Identifying the Ethernet Ports ...............................................................189
Basic Hardware Shipped with Snap Server 700i Series.........................190
Snap Server and Expansion Array Hardware Checklists .......................192

Contents 5
Snap Server and Expansion Array Hardware Specifications ................. 196
Safety Precautions ............................................................................. 198
Appendix D RAID Quick Reference...................................................................199
Comparing RAID Levels ..................................................................... 199
Selecting a RAID Level by Size of Pool................................................. 200
Expanding Pool Capacity................................................................... 200
Changing from One RAID Level to Another.......................................... 200
Appendix E OS Support Quick Reference .........................................................201
iSCSI Initiator Support by OS ............................................................ 202
Adaptec Storage Manager Feature Support by OS ............................. 203
Appendix F Completing a Silent Windows Installation.......................................205
Completing a Silent Installation........................................................... 205
Available Properties and Values ......................................................... 206
Example Command Line Installations................................................... 208
Glossary................................................................................211
Index.....................................................................................219

6 Snap Server 700i User’s Guide

Snap Server 700i Series User’s Guide 7
Preface
About this Guide
When connected and configured as an iSCSI Storage Appliance, your Snap Server
700i Series contains storage space that can be shared by systems in an
IP Storage
Area Network (IP SAN)
.
Three software components are included with the Snap Server 700i Series:
•Adaptec OnTarget™ operating system: The Adaptec OnTarget software runs on
an embedded version of the Linux operating system in the Snap Server 700i
Series chassis. The Adaptec OnTarget software is primarily concerned with
virtualizing physical disks as iSCSI volumes; however, it can also be used to
create or manage the iSCSI storage through the Command Line Interface (CLI). It
should be updated whenever the Adaptec Storage Manager software is updated.
Refer to “Maintaining Your iSCSI Storage Appliance” on page 101 for
instructions on updating the Adaptec OnTarget software.
•Adaptec Storage Manager: Use Adaptec Storage Manager (included on the
Adaptec OnTarget User CD) to create and manage your iSCSI storage. You can
also use Adaptec Storage Manager to monitor any GuardianOS-powered Snap
Servers on your network, as well as any Adaptec direct attached storage (DAS)
RAID controllers. Adaptec Storage Manager is installed on workstations and
consists of three modules:
•GUI and agent: The ASM GUI. Install it on laptops or workstations to access the
ASM Management Service and manage storage remotely.
•Management Service: Install it along with the GUI to add and manage your
iSCSI Storage Appliances.
•Windows Support: This includes additional modules for Windows 2003 and
Vista systems that support automatic provisioning, mirroring, snapshots, and
storage management using third-party VDS-aware tools.
•Command Line Interface: The Command Line Interface (CLI) software allows you
to monitor and manage the iSCSI Storage Appliance. Use the CLI to create and
manage iSCSI targets that appear as local disk storage on your server and use the
event logging features to monitor the entire system.
Note In addition to the software components supplied with the Snap Server 700i
Series, you must also have software to support your iSCSI Initiator, and when
running on Microsoft Windows operating systems, Microsoft iSCSI Initiator must
be installed. See “Configuring iSCSI Initiators” on page 155 for more information.

What’s Included in this User’s Guide
8 Snap Server 700i Series User’s Guide
What’s Included in this User’s Guide
This User’s Guide describes how to use Adaptec Storage Manager to configure your
iSCSI Storage Appliance and
create an IP SAN, modify and monitor iSCSI storage,
maintain your iSCSI Storage Appliance, and monitor any GuardianOS-powered
Snap Servers on your network. It also provides instructions for installing and
configuring iSCSI initiators in the systems that will be accessing iSCSI storage.
For advanced users, this Guide also provides detailed instructions for using the iSCSI
Storage Appliance’s
CLI (see page 177).
Additionally, this Guide describes the hardware features and specifications for your
Snap Server 700i Series and S50 expansion array (see page 187).
Note For more information about using Adaptec Storage Manager with Adaptec
direct attached storage, refer to the Adaptec Storage Manager User’s Guide for Direct
Attached Storage on the installation CD that came with your Adaptec DAS RAID
controller.
What You Need to Know Before You Begin
This Guide is written for system or network administrators who want to create an IP
SAN. Advanced knowledge of storage networks is not required, but you should be
familiar with computer hardware, data storage, and network administration
terminology and tasks, and have knowledge of Internet SCSI (iSCSI) and
Redundant Array of Independent Disks (RAID) technology.
Terminology Used in this Guide
In this Guide, these terms will be used to differentiate between your Snap Server
700i Series and any other Snap Servers you may be monitoring with Adaptec
Storage Manager:
•iSCSI Storage Appliance—Snap Server 700i Series or Adaptec OnTarget-powered
Snap Server
•GuardianOS-powered Snap Server—Non-700i Series Snap Server
In this Guide, when the term ‘Adaptec Storage Manager’ is used, it refers to the
graphical user interface (GUI)—the window that opens on your monitor when you
run the software.
For efficiency, the term “component” or “components” is used when referring
generically to the physical and virtual parts of your IP SAN, such as systems, disk
drives, pools, and logical devices.

Service and Technical Support
About this Guide 9
Many of the terms and concepts referred to in this Guide are known to computer
users by multiple names. In this Guide, this terminology is used:
• Disk drive (also known as hard disk, hard drive, or hard disk drive)
• Logical device (also known as logical drive)
• System (also known as a workstation or machine)
• Enclosure (also known as a JBOD, disk enclosure, or storage enclosure)
Service and Technical Support
For an immediate response to a service inquiry, use our Expert Knowledge Base
System at http://www.snapserver.com/kb. Simply type in your question to view a
list of possible resolutions to known issues. However, if none of the listed topics
resolves your inquiry, you can forward the question to our Technical Support
department who will then e-mail you with a response. To obtain additional service
or technical support for your Snap Server 700i Series, call 408-934-7274.
Additional Resources
Resource Description
Knowledge Base Search for solutions to specific issues by clicking the Knowledge
Base link on the Adaptec support page:
http://www.snapserver.com/kb
Hardware
Components
Purchase additional hardware components from authorized Adaptec
resellers. To locate a reseller in your area, select the Where to Buy
tab on the Adaptec home page:
http://www.snapserver.com
Field Service
Documents
Find a list of the hardware components available for your Snap
Server 700i Series or S50 expansion array and instructions for
installing or replacing components by going to the Snap Server
support page, clicking Documentation Center and then navigating to
the server or expansion array model:
http://www.snapserver.com/support

Notes and Cautions
10 Snap Server 700i Series User’s Guide
Notes and Cautions
Conventions used to call out useful or important information are described below:
Note A note presents time-saving shortcuts related to the main topic.
Caution A caution alerts you to potential hardware or software issues or hazards in
the configuration or operation of Snap Server 700i Series. Consider cautions
carefully before proceeding with any operation.
Typographical Conventions
Convention Usage
Italic • Emphasis
• The introduction of new terms
• File names
• Settings you select or enter in the Administration Tool
Arial Bold Navigational paths, command buttons, and navigational
links.
Arial • Text you type directly into a text field, a command line,
or a Web page
• Buttons on a keyboard
Arial Italic A variable for which you must substitute a value
Arial Commands you enter in a command-line interface

Finding More Information
About this Guide 11
Finding More Information
Product documentation related to the Adaptec OnTarget-powered Snap Server 700i
Series and SANbloc S50 expansion array are listed below. The current versions of all
these documents are always available from http://www.snapserver.com/support.
Source and Location Content
700i Series Quick Start Guide
Product Packaging and Web
Details package contents, identifies server
hardware components, and provides complete
instructions for installing the server to a rack,
connecting the server to the network, and
configuring the iSCSI Storage Appliance. Also
contains the EULA and warranty.
SANbloc S50 Quick Install Guide
Product Package and Web
Details package contents, identifies expansion
array hardware components, and provides
complete instructions for installing the SANbloc S50
to a rack and connecting it to a Snap Server.
Snap Server 700i Series
User Guide
User CD and Web
Adaptec Storage Manager Online
Help
Provides an overview of the configuration and
maintenance of the Snap Server 700i Series, gives
detailed instructions on using Adaptec Storage
Manager to configure and manage your iSCSI
storage, and provides hardware specifications for
the Snap Server 700i Series and the SANbloc S50
expansion array.
Readme.txt
User CD
Contains late-breaking information, corrections, and
known issues concerning the Snap Server 700i
Series.
Field Service Documentation
Service CD and Web
Provides detailed instructions for the replacement of
disk drives, adapter cards, power assemblies, slide
rails, and other hardware components.

Finding More Information
12 Snap Server 700i Series User’s Guide

Snap Server 700i Series User’s Guide 13
Chapter 2
Planning Your IP SAN
This chapter introduces the Adaptec Storage Manager software and provides a guide
to planning your IP SAN configuration and setup.
It also provides important instructions for using your iSCSI Storage Appliance on a
network without a DHCP server.
Introduction to Adaptec Storage Manager for iSCSI
Storage
Adaptec Storage Manager is a software application that helps you build and
manage storage for your online data. From the ‘one-view’ user interface, you can
use Adaptec Storage Manager to:
• Create, monitor, and manage iSCSI storage
• View and monitor any GuardianOS-powered Snap Servers on your network
• Create, monitor, and manage direct attached storage
This Guide describes how to use Adaptec Storage Manager to set up, monitor, and
manage iSCSI storage, and monitor GuardianOS-powered Snap Servers.
Note For more information about managing direct attached storage, refer to the
Adaptec Storage Manager User’s Guide for Direct Attached Storage on the installation
CD that came with your Adaptec DAS RAID controller.
DAS
iSCSI
LAN
Manage iSCSI storage
(described in this Guide)
System running Adaptec
Storage Manager GUI
Manage direct attached storage

Introduction to Adaptec Storage Manager for iSCSI Storage
14 Snap Server 700i Series User’s Guide
You can use Adaptec Storage Manager to:
• Combine physical disk drives into virtual storage pools (pools) that are protected
with RAID, and increase the capacity or change the RAID level of existing pools.
• Protect and control access to your IP SAN and data.
• Monitor your IP SAN, using activity notifications and the event viewer in the
main window.
• Maintain your iSCSI Storage Appliances.
• Provision storage to the systems on your network automatically (supported on
some operating systems only) or manually.
• Create application-consistent snapshots of provisioned storage, for extra data
protection (supported on some operating systems only).
• Create synchronous mirrors of provisioned storage, for an extra layer of data
protection and increased data availability (supported on some operating systems
only).
Note Synchronous mirroring requires a minimum of two iSCSI Storage
Appliances.
Adaptec Storage Manager provides wizards to guide you through many of these
tasks.
iSCSI Storage Feature Support
Support for Adaptec Storage Manager’s iSCSI storage features varies by operating
system (OS)
—depending on which OS is running on an individual system, either
the full set or a subset of Adaptec Storage Manager iSCSI storage features is
available on that system.
Additionally, the storage provisioning process may be automatic or manual for an
individual system depending on which OS is installed.
Systems running Windows 2003 to which you provision storage are referred to in
Adaptec Storage Manager as iSCSI Storage Hosts.
The table on page 15 lists the features available for a system running one of the
supported OSs.