Data Lifecycles: Managing Data for Strategic Advantage

271 Pages·2007·4.24 MB·English

by  Roger Reid

Data Lifecycles
Managing Data for Strategic
Advantage
Roger Reid
Symantec Corporation, USA
Gareth Fraser-King
Symantec Corporation, UK
W. David Schwaderer
Symantec Corporation, USA

Data Lifecycles

Data Lifecycles
Managing Data for Strategic
Advantage
Roger Reid
Symantec Corporation, USA
Gareth Fraser-King
Symantec Corporation, UK
W. David Schwaderer
Symantec Corporation, USA
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LibraryofCongressCataloginginPublicationData
Reid,Roger(RogerS.)
Datalifecycles:managingdataforstrategicadvantage/RogerReid,GarethFraser-King,
andW.DavidSchwaderer.
p. cm.
Includesbibliographicalreferencesandindex.
ISBN-13:978-0-470-01633-6(cloth:alk.paper)
ISBN-10:0-470-01633-7(cloth:alk.paper) 1. Databasemanagement. 2. Productlifecycle.
3. Informationretrieval. 4. Informationstorageandretrievalsystems—Management.
I. Fraser-King,Gareth. II. Schawaderer,W.David,1947– III. Title.
QA76.9.D3R427482007
005.74—dc22
2006032093
BritishLibraryCataloguinginPublicationData
AcataloguerecordforthisbookisavailablefromtheBritishLibrary
ISBN-10:0-470-01633-7
ISBN-13:978-0-470-01633-6
Typesetin11/13ptPalatinobyIntegraSoftwareServicesPvt.Ltd,Pondicherry,India
PrintedandboundinGreatBritainbyAntonyRoweLtd,Chippenham,Wiltshire
Thisbookisprintedonacid-freepaperresponsiblymanufacturedfromsustainableforestryinwhichat
leasttwotreesareplantedforeachoneusedforpaperproduction.
Contents
Preface ix
Whoshouldreadthisbook ix
Purposeofthisbook x
1 IntroducingUtilityComputing 1
1.1 Realproblemsandrealsolutions 5
1.1.1 Realissuesidentified–regulation,legislationandthelaw 5
1.1.2 Moreregulation,legislationandthelaw 6
1.1.3 Currentstoragegrowth 8
1.2 Newstoragemanagement 9
1.2.1 Whatarethethingsorganisationsneedtoconsider? 11
1.2.2 Whatdoesdatalifecyclemanagementmean? 13
1.2.3 WhyisITlifecyclemanagementimportant? 15
1.2.4 Goalsofdatalifecyclemanagement 16
2 TheChangingITImperative 19
2.1 Introductiontoutilitycomputing 22
2.2 Generalmarkethighlights 25
2.2.1 Currentstoragegrowth 26
2.2.2 EnterprisesforwhichDLMiscritical 30
2.3 Realchallengesandopportunities 36
2.3.1 Realissuesidentified 36
2.3.2 Datacompliance 37
2.3.3 Casestudyinineffectivestoragereporting 39
2.4 Summary 40
3 BeingCompliant 43
3.1 Sowhataretheregulations? 46
3.2 Financialservicescompanies 49
3.2.1 Crimeinthefinancesector 52
DataLifecycles:ManagingDataforStrategicAdvantage RogerReid,GarethFraser-Kingand
W.DavidSchwaderer ©2007VERITASSoftwareCorporation.Allrightsreserved.
vi CONTENTS
3.3 Telecommunicationscompanies 54
3.4 Utilitiescompanies 58
3.5 Publicauthoritiesandgovernment 59
3.6 Managingdataforcomplianceisjustaspecialisedformof
datamanagement 61
3.7 Justplainjunkdata! 63
3.8 Thebottomline–whatismandated? 64
3.8.1 Recordretentionandretrieval 65
3.8.2 Auditableprocess 68
3.8.3 Reportinginrealtime 69
3.8.4 Integrating data management from desktop to data
centretooffsitevault 72
3.8.5 Challenge–thedatadilemma 72
4 DataTaxonomy 75
4.1 Anewdatamanagementconsciousnesslevel 77
4.1.1 De-mystifyingdataclassification 79
4.1.2 Definingdataclassification 81
4.1.3 Classificationobjectives 81
4.1.4 Variousapproachestodataclassification 82
4.2 Datapersonification 83
4.2.1 Businessinfrastructuremappinganalysis 84
4.3 Classificationmodelandframework 87
4.4 Customerreporting 97
4.4.1 Summaryreports 98
4.4.2 Detailedreports 100
4.4.3 Summarygraphs 104
4.5 Summary 105
5 EmailRetention 107
5.1 Emailmanagementtoachievecompliance 108
5.2 Whatisarchiving? 109
5.2.1 Emailarchivingrequirements 110
5.3 Howshouldorganisationsmanagetheiremailrecords? 111
5.4 Emailretentionpoliciesareforlife–notjustforChristmas 113
5.5 Howcompaniescangaincompetitiveadvantageusingcompliance 114
5.5.1 Compliancemakesgoodbusinesssense 115
5.6 Whatlawsgovernemailretention? 117
5.6.1 Howlongdowehavetokeepemailrecords? 118
5.7 Writeonce,secureagainsttampering 119
5.8 Storagerecommendationsforemail 121
5.9 Conclusion 124
6 Security 125
6.1 Alertingorganisationstothreats 125
6.1.1 Vulnerabilityidentifiedandearlywarnings 129
6.1.2 Earlyawarenessofvulnerabilitiesandthreatsinthewild 130
6.1.3 Listeningposts 132
CONTENTS vii
6.2 ProtectingdataandITsystems 133
6.2.1 Threatsblockedusingvulnerabilitysignaturestoprevent
propagation 134
6.2.2 Preventinganddetectingattacks 135
6.2.3 Managingsecurityinadatacentre 136
6.2.4 Monitoring and identification of systems versus
vulnerabilitiesandpolicies 137
6.2.5 Responding to threats and replicating across the
infrastructure 138
6.2.6 Patchesandupdatesimplementedacrossinfrastructure 139
6.2.7 Keepinginformationsecureandavailable 140
6.3 Conclusions 140
Reference 143
7 DataLifecyclesandTieredStorageArchitectures 145
7.1 Tieredstoragedefined 145
7.1.1 SerialATAbackground 147
7.1.2 SerialATAoverview 148
7.1.3 SerialATAreliability 150
7.1.4 Biterrorrate(BER) 151
7.1.5 Meantimebeforefailure(MTBF) 152
7.1.6 Failureratebreakdown 154
7.1.7 Nofreelunch 155
7.2 RAIDreview 156
7.2.1 RAID5review 156
7.2.2 RAID6overview 158
7.3 Tape-basedsolutions 159
7.3.1 Virtualtapelibraryprimer 160
7.4 Recoverabilityofdata:yougetwhatyoupayfor 163
7.5 Conclusion 166
Bibliography 167
8 ContinuousDataProtection(CDP) 169
8.1 Introduction 169
8.2 CDPdata-taps 171
8.2.1 Applicationdata-tap 172
8.2.2 Filesystemdata-tap 172
8.2.3 Volumedata-tap 172
8.3 CDPoperations 175
8.3.1 CDPstore 177
8.3.2 CDPstakeholders 180
8.4 Conclusion 182
9 WhatistheCostofanITOutage? 185
9.1 Failureisnotanoption 185
9.1.1 Tangiblecosts 187
9.1.2 Intangiblecosts 189
9.2 FindingtheelusiveROI 191