INTRODUCTION
EXECUTIVE SUMMARY
Storage Array Subsystems
Fabric Components
Management Software
New Developments In Product Design
SAN And NAS Convergence
The User’s View
MARKET OVERVIEW
High Demand for Storage Capacity
The Total Cost of Ownership
Universal Access and Continuous Data Availability
Higher Performance
Tighter Security
Outsourced Services
ARCHITECTURES AND TECHNOLOGIES
Interfaces and Interconnects
Local I/O Expansion Interface
IPC Interface
LAN Interface
DAS/Storage Peripheral (drive, tape, optical) Interface
Infiniband
System Area Networking with InfiniBand
VI or Virtual Interface protocol
SAN Interface
IP-storage
Internet Fibre Channel Protocol
iSCSI
Network Interconnects
Quality of Connection
Host Bus Adapters
Hubs
Switches
Directors
Intelligent, Multi-Protocol, Routing Switches
File Switches
Enterprise Management and Storage Infrastructure
Data Management
Storage Resource Management
Storage Network Management
File Systems and File System Sharing
Shared Storage Model
Devices and Arrays
Disk Drive Technology
Disk Arrays and Controllers
More on RAID
Possible Approaches to RAID
Storage Servers and Appliances
Storage Servers
Appliances
Data Accelerators
Caching
Solid State Disks
TOE
Parallel Processing
Virtualization
Storage Virtualization
Aggregation
CDN
Content Distribution Networking
Content Management
Security and Security Management
SAN and NAS Convergence
Defining SAN and NAS
Convergence of SAN and NAS
APPLICATIONS
Backup in a Storage Networking Environment
Archiving
Replication
Resource and Data Sharing
Web Serving
Vertical Applications
E-Commerce
Non-Traditional Applications for Data Storage
THE USER’S VIEW
Survey Results
Site Demographics
SAN Selection Criteria and Benefits
Planning, Installation, Vendors and Products
Future and Newer Technologies
Conclusions
VENDORS AND PRODUCTS
Major Acquisitions
Key Participants
Product Feature Matrices
REVENUES AND FORECASTS
Revenues
Forecasts
Disk Arrays
SAN And NAS– Market Penetration And Revenue
Fibre Channel Components
COMPANY PROFILES AND STRATEGIC DIRECTIONS
GLOSSARY
E-1 EXTERNAL STORAGE REVENUE PROJECTION
E-2 EXTERNAL STORAGE
E-3 2001- NAS REVENUE MARKET SHARE
E-4 2001- SAN REVENUE MARKET SHARE
E-5 OPEN SYSTEM SAN AND NAS - DISK SHIPMENT REVENUES
E-6 SAN MARKET SUMMARY RECAP
E-7 INFRASTRUCTURE SAN COMPONENTS
E-8 2001 SWITCHES- REVENUE MARKET SHARE
E-9 STORAGE MANAGEMENT REVENUE
E-10 2001 OPEN SYSTEM STORAGE SOFTWARE: MARKET SHARE
E-11 FIBRE-SAN AND IP-SAN REVENUE PROJECTION
E-12 SAN INSTALLATIONS
E-13 NAS INSTALLATIONS
E-14 GENERAL STORAGE CHARACTERISTICS
E-15 SAN- MOST PLEASANT SURPRISE
E-16 MAJOR MEASURED BENEFIT OF SAN
1-1 STORAGE DRIVING FORCES
1-2 ESTIMATED DATA SIZES
1-3 NETWORK BANDWIDTH
1-4 AFFORDABLE BANDWIDTH & INFORMATION SHARING
1-5 DATA DISTRIBUTION
1-6 STORAGE NETWORKING SAVES MONEY
1-7 AVERAGE COST OF SYSTEM FAILURE
1-8 STORAGE AFFECTING AVAILABILITY
2-1 STORAGE I/O AND INTERCONNECT INTERFACES
2-2 STORAGE I/O AND INTERCONNECT INTERFACES (CONTINUED)
2-3 INTERFACES IN TRANSITION
2-4 INFINIBAND DEVICES IN A SIMPLE CONFIGURATION
2-5 VI ARCHITECTURE DATA FLOW
2-6 INFINIBAND USED TO CLUSTER PROCESSORS
2-7 TOTAL COMMUNICATIONS LATENCY
2-8 IP STORAGE: TWO DISTINCT MEANINGS
2-9 IP STORAGE: ISCSI, FCIP, IFCP
2-10 IP STORAGE PROTOCOLS: ISCSI, IFCP AND FCIP
2-11 ISCSI PROTOCOL
2-12 EVOLUTION OF NETWORK STORAGE CHOICES
2-13 ELEMENTS OF A SAN
2-14 HOST BUS ADAPTER FUNCTIONAL DIAGRAM
2-15 FC-AL ACTIVE HUB
2-16 SAN INTERCONNECT COMPARISON
2-17 SWITCHES VS. DIRECTORS
2-18 NETWORKING APPROACH GUARANTEES FAULT-TOLERANCE
2-19 STORAGE SOFTWARE MARKET SEGMENTATION
2-20 MODEL FOR MULTIVENDOR, CROSS-PLATFORM MGMT
2-21 THE SHARED STORAGE MODEL
2-22 ACCESS, ROTATIONAL AND SEEK TIME TRENDS
2-23 DATA RATE TRENDS FOR ENTERPRISE AND MOBILE STORAGE
2-24 COMPARISON OF OSD TO TRADITIONAL STORAGE DEVICE
2-25 RAID ARCHITECTURE TODAY
2-26 RAID ARCHITECTURE WITH A "BACKEND" SWITCH
2-27 RAID ARCHITECTURE SCALED TO AN SBOD
2-28 ULTIMATE RAID ARCHITECTURE: BACKEND SWITCH WITH SBOD
2-29 STORAGE SERVER: PARALLELISM APPLIED TO STORAGE
2-30 A SAN "APPLIANCE"
2-31 ACCELERATING NAS
2-32 ACCELERATING NAS THROUGH PARALLELISM
2-33 STORAGE VIRTUALIZATION
2-34 STORAGE VIRTUALIZATION- THREE APPROACHES
2-35 FABRIC-LEVEL STORAGE VIRTUALIZATION
2-36 VIRTUALIZATION DESIGNS
2-37 STEP TWO - LUN VIRTUALIZATION
2-38 STEP THREE - SAN FILE SYSTEM
2-39 NETWORKING THE NETWORKS
2-40 CURRENT SITUATION: WITHOUT PROXY
2-41 CONTENT DATA MANAGEMENT WITH PROXY SERVERS
2-42 AVAILABILITY MEANS RISK™
2-43 NETWORK SECURITY
2-44 THE EVOLUTION TO SAN
2-45 SAN AND NAS: SAME STACK, DIFFERENT PLACES
2-46 SAN AND NAS: IT’S A QUESTION OF OWNERSHIP
2-47 APPLICATIONS
2-48 STORAGE NETWORK DIRECTIONS
2-49 SAN/NAS CONVERGENCE
2-50 APPLYING NAS AND SAN
2-51 e² - ETHERNET EVERYWHERE
2-52 TODAY’S STORAGE ENVIRONMENT
2-53 DESIRED STORAGE ENVIRONMENT
2-54 MIXED ENVIRONMENTS
2-55 SAN AND NAS CONVERGE
3-1 LAN-LESS BACKUP
3-2 SERVER-LESS BACKUP
3-3 KEY APPLICATIONS – REPLICATION
3-4 KEY APPLICATIONS – CONTENT DISTRIBUTION
3-5 APPLICATIONS – SERVER DATA THROUGHPUT RANGE
3-6 APPLICATIONS – SERVER I/O PERFORMANCE RANGE
3-7 APPLICATION STORAGE REQUIREMENTS
3-8 HIGH RESOLUTION IMAGES – A BIG DRIVER
4-1 SAN INSTALLATIONS
4-2 NAS INSTALLATIONS
4-3 AVERAGE ANNUAL GROWTH RATE FOR STORAGE
4-4 NUMBER OF STORAGE AREA NETWORKS AT BUSINESS
4-5 SAN CAPACITY AT INSTALLATION
4-6 GENERAL STORAGE CHARACTERISTICS
4-7 MAJOR MEASURED BENEFIT OF SAN (OVERALL)
4-8 SUCCESS IN ACHIEVING SAN GOALS
4-9 BIGGEST FRUSTRATION IN SAN PLANNING/
4-10 MOST PLEASANT SURPRISE FROM SAN
4-11 OUTSOURCED APPLICATIONS INSTALLATION
4-12 MOST IMPORTANT FACTOR IN SAN PRODUCT VENDOR DECISION
4-13 MAJOR CONCERNS REGARDING IP-STORAGE
4-14 SWITCH FROM FC TO IP-STORAGE
6-1 DISK ARRAY SYSTEMS TOTALS
6-2 ARRAY SYSTEMS PRICE EVOLUTION
6-3 DISK ARRAY MARKET SHARES, INTERNAL / EXTERNAL
6-4 FIBRE CHANNEL HOST CONNECTION PENETRATION
6-5 NAS, AND SAN REVENUE FORECAST
6-6 NAS, SAN, AND DAS REVENUE PROJECTIONS
6-7 OPEN SYSTEM SAN AND NAS DISK SHIPMENT REVENUES
6-8 2001 SAN MARKET SHARE BY COMPANY
6-9 2001 NAS MARKET SHARE BY COMPANY
6-10 NAS, SAN, AND DAS REVENUE PROJECTION
6-11 NAS, SAN, AND DAS PERCENT REVENUE PROJECTION
6-12 SAN, NAS, DAS EXTERNAL STORAGE FORECAST
6-13 INTERNAL VERSUS EXTERNAL STORAGE TRENDS
6-14 FIBRE CHANNEL AND IP SAN REVENUE PROJECTIONS
6-15 MIRRORING, RAID, JBOD REVENUE PROJECTIONS
6-16 STORAGE MANAGEMENT REVENUE
6-17 STORAGE MANAGEMENT REVENUE IN PERCENT
6-18 OPEN SYSTEM STORAGE SOFTWARE MARKET SHARES
6-19 OPEN SYSTEM BACKUP SOFTWARE MARKET SHARES
6-20 OPEN SYSTEM REPLICATION SOFTWARE MARKET SHARES
6-21 OPEN SYSTEM SRM SOFTWARE MARKET SHARES
6-22 INFRASTRUCTURE SAN COMPONENTS
6-23 AVERAGE PRICE PER PORT- SWITCHES AND HUBS
6-24 SAN, AND FC COMPONENTS REVENUE PROJECTIONS
6-25 2001 HBA REVENUE MARKET SHARES
6-26 2001 SWITCHES REVENUE MARKET SHARES
6-27 SAN MARKET SUMMARY RECAP
2-1 COMPARISONS OF FC, ETHERSTORAGE, AND IB
2-2 FIBRE CHANNEL LAYERS
2-3 QOC LEVELS
2-4 PRICING PER PORT OF FIBRE CHANNEL COMPONENTS (1999 - 2001)
2-5 SWITCH ATTRIBUTE COMPARISON
2-6 DAS, SAN, AND NAS – PROS AND CONS
5-1 STORAGE NETWORKING KEY PARTICIPANTS
5-2 PRIVATE COMPANY MAJOR ACTIVITY
6-1 DISK SYSTEMS FACTORY REVENUE FORECAST
6-2 DISK ARRAY MARKET SHARES
6-3 NAS, AND SAN REVENUE FORECAST
6-4 NAS, SAN, AND DAS REVENUE PROJECTIONS
6-5 2001 SAN MARKET SHARE BY COMPANY
6-6 2001 NAS MARKET SHARE BY COMPANY
6-7 NAS, SAN, AND DAS REVENUE PROJECTIONS
6-8 SAN, NAS, DAS EXTERNAL STORAGE FORECAST
6-9 INTERNAL VERSUS EXTERNAL STORAGE TRENDS
6-10 FIBRE CHANNEL AND IP SAN REVENUE PROJECTIONS
6-11 STORAGE MANAGEMENT REVENUE FORECASTS
6-12 STORAGE MANAGEMENT REVENUE IN PERCENT
6-13 OPEN SYSTEM STORAGE SOFTWARE MARKET SHARES
6-14 INFRASTRUCTURE SAN COMPONENTS FORECAST
6-15 SAN AND FC REVENUE FORECAST
6-16 2000 HBA REVENUE MARKET SHARES
6-17 2001 SWITCHES REVENUE MARKET SHARES
6-18 SAN MARKET SUMMARY RECAP
Businesses throughout the world are adapting IT infrastructures to an increasingly dynamic information environment, driven by growing user adoption of the Internet. The Internet revolution is causing businesses to rethink every interaction with customers, suppliers and partners. Storage is at the heart of this revolution. Storage networking is looked upon as a data access enabler, and SAN and NAS architectures are capturing CIO's attention as the prime candidates for reliable and scalable data processing.
The objective of this report is to analyze the different implementation approaches, compare products functionality, identify the major players and assess their strategic direction and their market shares. The report also forecasts the market evolution. The following are some of the questions that this report will address:
Market Overview · What are the trends affecting storage, and what is prompting the changes? · Who are the winners and the losers in the economy downturn? · How have SAN and NAS evolved and what promises does the future hold?
Architecture and Technology · What are the recent technological advances in software management, in interconnecting techniques? · How does SAN compare to NAS? Are these architectures complementary or competing? · Will the new protocols (iSCSI, VI, InfiniBand) help or slow SAN expansion?
Applications, Users · What new applications are most likely to affect storage in the next two years? · How do the users perceive NAS and SAN? What are their motivation, their complaints, their wishes? · How have users priorities change with the economy slowdown? · What market share will Replication, Storage Resource Management and Virtualization capture?
Products · What are the product segments, and how are products differentiated in class levels? · How do competing products compare? What trends will most likely materialize?
Market Participants and Strategic Directions · What are the major vendors implementing or shipping? How are their products positioned? Who is leading the market, the technology? · Has the notion of service provider died with the economy downturn? · Who are the most significant new entrants, and how are their product likely to impact the market? · Who are the candidates for partnership?
The report is addressed to marketing managers, planning executives, and system designers from storage system component vendors, integrators, value-added resellers and application service providers. It also addresses Managers of Information Systems and Information Technology personnel responsible for re-architecting their enterprise Storage and Data Management system. The report will also benefit investors and venture capitalists.
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