Xsan 2 Administrator Guide - Xsan 2 Administrator Guide

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Administrator Guide

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Apple Inc.

K

© 2009 Apple Inc. All rights reserved.

Under the copyright laws, this manual may not be
copied, in whole or in part, without the written consent
of Apple.

The Apple logo is a trademark of Apple Inc., registered
in the U.S. and other countries. Use of the “keyboard”
Apple logo (Option-Shift-K) for commercial purposes
without the prior written consent of Apple may
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Every effort has been made to ensure that the
information in this manual is accurate. Apple is not
responsible for printing or clerical errors.

Apple
1 Infinite Loop
Cupertino, CA 95014
408-996-1010
www.apple.com

Apple, the Apple logo, Mac, the Mac logo, Macintosh,
Mac OS, Xsan, and Xserve are trademarks of Apple Inc.,
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and other countries, and is being used under license.

Intel, Intel Core, and Xeon are trademarks of Intel Corp.
in the U.S. and other countries.

PowerPC

and the PowerPC

logo are trademarks of

International Business Machines Corporation, used
under license therefrom.

UNIX

®

is a registered trademark of The Open Group.

Other company and product names mentioned herein
are trademarks of their respective companies. Mention
of third-party products is for informational purposes
only and constitutes neither an endorsement nor a
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regard to the performance or use of these products.

The product described in this manual incorporates
copyright protection technology that is protected
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Apparatus Claims of U.S. Patent Nos. 4,631,603, 4,577,216,
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Simultaneously published in the United States and
Canada.

019-1287/2009-08-01

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9

Preface: About This Book

10

What’s New in Xsan 2

10

Version Compatibility

11

Upgrading from an Earlier Version of Xsan

11

Getting Additional Information

12

Notation Conventions

13

Chapter 1: Overview of Xsan

14

Xsan Storage Area Networks

15

Shared SAN Volumes

15

Metadata Controllers

15

Clients

15

Network Connections

16 How Xsan Storage Is Organized
16

LUNs

17

Storage Pools

17

Affinities and Affinity Tags

18

Volumes

18

Folders with Affinities

19

How Xsan Uses Available Storage

19

Metadata and Journal Data

19

Striping at a Higher Level

19

Security

20 Expanding Storage
20 Xsan Capacities

21

Chapter 2: Planning a Storage Area Network

21 Hardware and Software Requirements
21

Supported Computers

22

Supported Storage Devices

22

Fibre Channel Fabric

23

Ethernet TCP/IP Network

24

Directory Services

3