Details storage models such as Network Attached Storage (NAS), Storage Area Network (SAN), Object Based Storage along with virtualization at various infrastructure comp
Table of Contents
Foreword xxvii
Introduction xxix
Section I Storage System 1
Chapter 1 Introduction to Information Storage 3
1.1 Information Storage 4
1.2 Evolution of Storage Architecture 9
1.3 Data Center Infrastructure 11
1.4 Virtualization and Cloud Computing 14
Chapter 2 Data Center Environment 17
2.1 Application 18
2.2 Database Management System (DBMS) 18
2.3 Host (Compute) 19
2.4 Connectivity 27
2.5 Storage 29
2.6 Disk Drive Components 31
2.7 Disk Drive Performance 36
2.8 Host Access to Data 40
2.9 Direct-Attached Storage 41
2.10 Storage Design Based on Application Requirements and Disk Performance 43
2.11 Disk Native Command Queuing 45
2.12 Introduction to Flash Drives 46
2.13 Concept in Practice: VMware ESXi 48
Chapter 3 Data Protection: RAID 51
3.1 RAID Implementation Methods 52
3.2 RAID Array Components 53
3.3 RAID Techniques 53
3.4 RAID Levels 57
3.5 RAID Impact on Disk Performance 64
3.6 RAID Comparison 66
3.7 Hot Spares 68
Chapter 4 Intelligent Storage Systems 71
4.1 Components of an Intelligent Storage System 72
4.2 Storage Provisioning 79
4.3 Types of Intelligent Storage Systems 85
4.4 Concepts in Practice: EMC Symmetrix and VNX 87
Section II Storage Networking Technologies 93
Chapter 5 Fibre Channel Storage Area Networks 95
5.1 Fibre Channel: Overview 96
5.2 The SAN and Its Evolution 97
5.3 Components of FC SAN 98
5.4 FC Connectivity 102
5.5 Switched Fabric Ports 106
5.6 Fibre Channel Architecture 106
5.7 Fabric Services 113
5.8 Switched Fabric Login Types 114
5.9 Zoning 115
5.10 FC SAN Topologies 118
5.11 Virtualization in SAN 122
5.12 Concepts in Practice: EMC Connectrix and EMC VPLEX 125
Chapter 6 IP SAN and FCoE 131
6.2 FCIP 142
6.3 FCoE 145
Chapter 7 Network-Attached Storage 157
7.1 General-Purpose Servers versus NAS Devices 158
7.2 Benefi ts of NAS 159
7.3 File Systems and Network File Sharing 160
7.4 Components of NAS 162
7.5 NAS I/O Operation 163
7.6 NAS Implementations 163
7.7 NAS File-Sharing Protocols 168
7.8 Factors Affecting NAS Performance 171
7.9 File-Level Virtualization 174
7.10 Concepts in Practice: EMC Isilon and EMC VNX Gateway 175
Chapter 8 Object-Based and Unified Storage 179
8.1 Object-Based Storage Devices 180
8.2 Content-Addressed Storage 187
8.3 CAS Use Cases 188
8.4 Unifi ed Storage 190
8.5 Concepts in Practice: EMC Atmos, EMC VNX, and EMC Centera 192
Section III Backup, Archive, and Replication 199
Chapter 9 Introduction to Business Continuity 201
9.1 Information Availability 202
9.2 BC Terminology 205
9.3 BC Planning Life Cycle 207
9.4 Failure Analysis 210
9.5 Business Impact Analysis 213
9.6 BC Technology Solutions 213
9.7 Concept in Practice: EMC PowerPath 214
Chapter 10 Backup and Archive 225
10.1 Backup Purpose 226
10.2 Backup Considerations 227
10.3 Backup Granularity 228
10.4 Recovery Considerations 231
10.5 Backup Methods 231
10.6 Backup Architecture 233
10.7 Backup and Restore Operations 234
10.8 Backup Topologies 236
10.9 Backup in NAS Environments 239
10.10 Backup Targets 242
10.11 Data Deduplication for Backup 249
10.12 Backup in Virtualized Environments 252
10.13 Data Archive 254
10.14 Archiving Solution Architecture 255
10.15 Concepts in Practice: EMC NetWorker, EMC Avamar, and EMC Data Domain 257
Chapter 11 Local Replication 263
11.1 Replication Terminology 264
11.2 Uses of Local Replicas 264
11.3 Replica Consistency 265
11.4 Local Replication Technologies 269
11.5 Tracking Changes to Source and Replica 281
11.6 Restore and Restart Considerations 282
11.7 Creating Multiple Replicas 283
11.8 Local Replication in a Virtualized Environment 284
11.9 Concepts in Practice: EMC TimeFinder, EMC SnapView, and EMC RecoverPoint 285
Chapter 12 Remote Replication 289
12.1 Modes of Remote Replication 289
12.2 Remote Replication Technologies 292
12.3 Three-Site Replication 300
12.4 Data Migration Solutions 304
12.5 Remote Replication and Migration in a Virtualized Environment 306
12.6 Concepts in Practice: EMC SRDF, EMC MirrorView, and EMC RecoverPoint 307
Section IV Cloud Computing 311
Chapter 13 Cloud Computing 313
13.1 Cloud Enabling Technologies 314
13.2 Characteristics of Cloud Computing 314
13.3 Benefi ts of Cloud Computing 316
13.4 Cloud Service Models 316
13.5 Cloud Deployment Models 318
13.6 Cloud Computing Infrastructure 322
13.7 Cloud Challenges 326
13.8 Cloud Adoption Considerations 327
13.9 Concepts in Practice: Vblock 329
Section V Securing and Managing Storage Infrastructure 331
Chapter 14 Securing the Storage Infrastructure 333
14.1 Information Security Framework 334
14.2 Risk Triad 334
14.3 Storage Security Domains 338
14.4 Security Implementations in Storage Networking 346
14.5 Securing Storage Infrastructure in Virtualized and Cloud Environments 358
14.6 Concepts in Practice: RSA and VMware Security Products 361
Chapter 15 Managing the Storage Infrastructure 365
15.1 Monitoring the Storage Infrastructure 366
15.2 Storage Infrastructure Management Activities 376
15.3 Storage Infrastructure Management Challenges 384
15.4 Developing an Ideal Solution 384
15.5 Information Lifecycle Management 386
15.6 Storage Tiering 388
15.7 Concepts in Practice: EMC Infrastructure Management Tools 391
Appendix A Application I/O Characteristics 395
Appendix B Parallel SCSI 399
Appendix C SAN Design Exercises 405
Appendix D Information Availability Exercises 409
Appendix E Network Technologies for Remote Replication 411
Appendix F Acronyms and Abbreviations 413
Glossary 427
Index 465
