Data Protection for Photographers

Data Protection for Photographers

-

English
177 Pages

Description

All photographers, both amateur and professional, are faced with the important issues of data protection and storage. Without knowledge of the options, tools, and procedures for safe and effective image protection and storage, photographers run the serious risk of losing their image files. This book offers critical information about the best hardware, software, procedures, and practices for capturing, storing, and preserving images and other data.

This book explains current data protection and storage technologies in everyday terms. It describes effective procedures for protecting data, from capture to backup and archiving. Descriptions of specific products applicable to Windows, MacOS, and Linux systems are provided.


Subjects

Informations

Published by
Published 27 February 2014
Reads 3
EAN13 9781492001423
Language English
Document size 11 MB

Legal information: rental price per page €. This information is given for information only in accordance with current legislation.

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Data Protecon for Photographers
Pa t r i c k H . C o r r i g a n DataProtectionf o r P h o t o g r a p h e r s A Guide to Storing and Protecting Your Valuable Digital Assets
Patrick Corrigan (www.dpworkflow.com)
Editor: Joan Dixon Project Editor: Maggie Yates Copyeditor: Maggie Yates Layout: Cora Banek Cover Design: Helmut Kraus, www.exclam.de Printer: Everbest Prinng Co. Ltd through Four Colour Print Group, Louisville, Kentucky Printed in China
ISBN 978-1-937538-22-4
1st Edion 2014 © 2014 by Patrick Corrigan Rocky Nook Inc. 802 East Cota St., 3rd Floor Santa Barbara, CA 93103
www.rockynook.com  Library of Congress Cataloging-in-Publicaon Data
Corrigan, Patrick H. Data protecon for photographers : a guide to storing and protecng your valuable digital assets / by Patrick H. Corrigan.  pages cm ISBN 978-1-937538-22-4 (soſtcover : alk. paper) 1. Computer storage devices. 2. Photography--Digital techniques. 3. Image files--Security measures. 4. Data protecon. I. Title. TK7895.M4C67 2014 770.285’58--dc23  2013038269
Distributed by O‘Reilly Media 1005 Gravenstein Highway North Sebastopol, CA 95472
All rights reserved. No part of the material protected by this copyright noce may be reproduced or ulized in any form, electronic or mechanical, including photocopying, recording, or by any informa-on storage and retrieval system, without wrien permission of the publisher.
Many of the designaons in this book used by manufacturers and sellers to disnguish their products are claimed as trademarks of their respecve companies. Where those designaons appear in this book, and Rocky Nook was aware of a trademark claim, the designaons have been printed in caps or inial caps. All product names and services idenfied throughout this book are used in editorial fash-ion only and for the benefit of such companies with no intenon of infringement of the trademark. They are not intended to convey endorsement or other affiliaon with this book. While reasonable care has been exercised in the preparaon of this book, the publisher and author assume no responsibility for errors or omissions, or for damages resulng from the use of the infor-maon contained herein or from the use of the discs or programs that may accompany it.
This book is printed on acid-free paper.
T a b l e o f C o n t e n t s
| vi |
Introducon xii Major Causes of Data Loss                                           xiii Data Storage Basics                                                 xiii
1Image Capture Media What is Flash Media?                                                 How Flash Media Works. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Who Makes Flash Memory? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Causes of Memory Card Failure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Causes of Data Corrupon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Counterfeit Memory Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Backward Compability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Flash Memory Data Retenon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Formang Flash Memory Cards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Best Pracces for Flash Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 What to Do If You ExperienceMemory Card Damage, Data Loss, or Corrupon9                           Image Recovery Soſtware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Image Recovery Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Selecng the Right Memory Card                                       12 CompactFlash (CF). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 . Secure Digital (SD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Memory Sck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2Interfaces  PCI and PCIe                                                       21 Laptop Mini PCIe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 ExpressCard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 SATA                                                               SATA Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 SAS                                                                24 SAS Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 SAS Host Adapters (HBAs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
USB25                                                                USB Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 USB Performance and Limitaons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 IEEE  (FireWire)                                        27         Thunderbolt                                                        27 Thunderbolt 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Ethernet                                                           28 Ethernet Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 . WiFi29                                                              
 Storage Technologies

Flash Memory                                                       Hard Disk Drives                                                     Hard Disk Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Classes of Hard Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Hard Disk Performance Factors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Hard Disk Life. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Solid-State Disks (SSDs)                                               Solid-State Hybrid Disks                                               Disk Arrays and RAID                                                 Hardware-, Soſtware-, and Firmware-based RAID. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36 RAID Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 . . . . . . . . . . . . . . . Hot Swap, Hot Spare, and Automac Rebuild . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 RAID Issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 . . . . . . . . . . . . . . . . . . . . . . . . Standard and Non-Standard RAID. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 Opcal Disc                                                         40 Opcal Media Shelf Life. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Labeling Opcal Media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Handling Opcal Media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 . Removing Scratches from Opcal Media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Digital Magnec Tape42                                                 Linear Tape Open (LTO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Backward Compability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 LTO Tape Drive Interface and Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Linear Tape File System (LTFS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 LTO Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 LTO Tape Drive Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Tape Changers, Autoloaders, and Libraries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Tape Servers and Appliances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Which Is Faster—Disk or Tape?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Online (Cloud) Storage49                                               
| vii |
| viii |
4Image Ingeson and Organizaon

Metadata                                                          54 Where Metadata is Stored. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Metadata Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Reading and Wring Metadata. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Protecng Your Images. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56 Creang an Effecve Directory Structure and Naming Scheme               Rules for File and Directory Naming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56 Directory Structure and Naming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 The Bucket System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Image Naming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Which Files Go Where?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 . Image Ingeson                                                    59  Ingeson Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60 Ingeson Soſtware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61 A Sample Ingeson Workflow with Lightroom. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62 On-demand Import                                                   DNG                                                               Image Management                                                  Mul-user Image Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68 Choosing Image-Management Soſtware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68 Moving from One Image-Management System to Another. . . . . . . . . . . . . . . . . . . . . . .69 Working with Catalogs                                                Soſtware                                                          70 Ingeson Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 Browser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Catalog-based Image Managers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Mul-user Digital Asset Management (DAM) Programs. . . . . . . . . . . . . . . . . . . . . . . . . . 73
 Primary Data Storage

Internal Hard Disks75                                                   Mulple Internal Disks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76 External Hard Disks                                                   External Disk Arrays77                                                  SANs and NASes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 File Servers                                                        78 Planning For Growth                                                  79 Primary Storage Strategies                                            80 Three External SAN and NAS Devices                                    84 A Small Server for a Small Office. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
 Backup and Archiving

What to Back Up                                                    94 Creang a Data Protecon Plan                                         94 The -- Approach                                                  95 Backup Hardware Technologies                                         97 External or Removable Disk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 External Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Removable Hard Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Disk Cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 Opcal Disc. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 NAS or SAN Disk Array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Magnec Tape. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Online (Cloud) Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101 Backup Methods                                       102            File and Folder Backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102 File Synchronizaon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103 Image Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103 Cloning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 Full and Incremental Backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . 105 Connuous, Near-connuous Backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105 Versioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 Open File Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105 Compression and Deduplicaon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106 Encrypon                                                        107 Who Maintains the Keys?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107 Requirements for an Effecve Backup and Archiving System               107 Backup Tips                                                       108 Common Default Browser Cache File Locaons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109 Common Template, Profile, and Configuraon File Locaons . . . . . . . . . . . . . . . . . . . .110 Backing Up NAS and SAN Configuraons                               111 Backing Up Your Website                                        111    Archiving Data                                                     112 What to Archive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Retenon Period. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Maintaining Archive Integrity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Selecng Media for Archiving. . . . . . . . . . . . . . . . . . . . . . . . . . 113 . . . . . . . . . . . . . . . . . . . . Archive File Formats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115. . . . . . . . . . . . . . . . . . . . . . . . Storing Archive Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
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