3/30

# Preface

This guide describes Oracle Big Data Appliance, which is used for acquiring, organizing, and analyzing very large data sets. It includes information about hardware operations, site planning and configuration, and physical, electrical, and environmental specifications.

This preface contains the following topics:

- Audience

- Documentation Accessibility

- Related Documentation

- Conventions

- Backus-Naur Form Syntax

## Audience

This guide is intended for Oracle Big Data Appliance customers and those responsible for data center site planning, installation, configuration, and maintenance of Oracle Big Data Appliance.

## Documentation Accessibility

For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at `http://www.oracle.com/pls/topic/lookup?ctx=acc&id=docacc`.

Access to Oracle Support

Oracle customers that have purchased support have access to electronic support through My Oracle Support. For information, visit `http://www.oracle.com/pls/topic/lookup?ctx=acc&id=info` or visit `http://www.oracle.com/pls/topic/lookup?ctx=acc&id=trs` if you are hearing impaired.

## Related Documentation

The following Oracle libraries contain hardware information for Oracle Big Data Appliance. Links to these libraries are available through the Big Data library at

`http://docs.oracle.com/cd/E55659_01/index.htm`

- Sun Server X4-2L library:

  `http://docs.oracle.com/cd/E36975_01/`

- Sun Rack II 1042 and 1242 library:

  `http://docs.oracle.com/cd/E19844-01/`

- Sun Network QDR InfiniBand Gateway Switch library:

- `http://docs.oracle.com/cd/E26699_01/index.html`

- Sun Datacenter InfiniBand Switch 36 library:

  `http://docs.oracle.com/cd/E26698_01/index.html`

- Oracle Integrated Lights Out Manager (ILOM) 3.1 library:

  `http://docs.oracle.com/cd/E24707_01/index.html`

## Conventions

The following text conventions are used in this document:

Convention | Meaning
--- | ---
boldface | Boldface type indicates graphical user interface elements associated with an action, or terms defined in text or the glossary.
italic | Italic type indicates book titles, emphasis, or placeholder variables for which you supply particular values.
`monospace` | Monospace type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, or text that you enter.
`#` prompt | The pound (`#`) prompt indicates a command that is run as the Linux `root` user.

## Backus-Naur Form Syntax

The syntax in this reference is presented in a simple variation of Backus-Naur Form (BNF) that uses the following symbols and conventions:

Symbol or Convention | Description
--- | ---
[ ] | Brackets enclose optional items.
{ } | Braces enclose a choice of items, only one of which is required.
| | A vertical bar separates alternatives within brackets or braces.
... | Ellipses indicate that the preceding syntactic element can be repeated.
delimiters | Delimiters other than brackets, braces, and vertical bars must be entered as shown.
boldface | Words appearing in boldface are keywords. They must be typed as shown. (Keywords are case-sensitive in some, but not all, operating systems.) Words that are not in boldface are placeholders for which you must substitute a name or value.