Worldwide Quarterly Disk Storage Systems Tracker
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IDC's Worldwide Quarterly Disk Storage Systems Tracker® greatly enhances clients' ability to quickly and effectively respond to today's dynamic storage market. Understanding which global markets and segments are growing and knowing the quarterly adoption curve for new products have become business-critical needs for disk storage vendors, supply chain partners, and the Wall Street financial community. This product provides insight into customer trends by delivering geography-specific vendor and product-line detail across all storage segments. IDC's Worldwide Quarterly Disk Storage Systems Tracker presents market data in an easy-to-use, interactive format that allows clients to easily view specific submarkets in customizable layouts. IDC's tracker products provide reliable, accurate, and independent market research as a base to create quantitative market analyses and study historical trends.

Technology Coverage and Data Segmentation

This tracker provides total market size and vendor share for the technology areas and segmentations that follow. Measurement for this tracker is in factory revenue, customer revenue, units, and terabytes.

Technologies and subtechnologies:

  • Topology: Direct, mainframe networked, and open networked
  • Installation: DAS, ESCON, NAS, and SAN
  • Protocol: DAS, ESCON-FICON, NAS, Fibre Channel, Fibre Channel over Ethernet, InfiniBand, iSCSI, and Switched SAS (SAS SAN)
  • Operating system: Linux, Unix, Windows, NOS, z/OS, i5/OS, and others
  • Redundancy: RAID and JBOD
  • Storage architecture: Multiprotocol and non-multiprotocol
  • Object-based storage: Object based and non-object based
  • Branded storage OS
  • Storage OS kernel
  • Scalability


  • Top vendors by product line
  • Price bands
  • Storage class: Entry, high-end, and midrange
  • Storage location: Internal or external
  • Time frame: Quarterly data as of 4Q01

Geographic Scope

  • Asia/Pacific (excluding Japan) available by 14 countries
  • Canada
  • Central/Eastern Europe available by 13 countries
  • Japan
  • Latin America available by 8 countries
  • Middle East/Africa available by 19 countries
  • United States
  • Western Europe available by 16 countries


This tracker is delivered on a quarterly basis via Excel pivot tables and/or Web-based query tools. For a complete delivery schedule, please contact an IDC sales representative. Deliverables for this tracker are:

  • Quarterly data files
  • One day of onsite training at any location in the United States and inquiry time for supporting questions regarding data usages
  • Quarterly press releases providing analysis into trends, products, or company insights

IDC's Tracker Methodology

IDC's tracker data is developed using a rigorous methodology that includes well-planned and well-coordinated local, regional, and worldwide data cross-checks combined with a proprietary advanced data consolidation and analysis data platform managed by IDC's Worldwide Tracker organization. Data sources used in the process of determining IDC's tracker numbers include, but are not limited to:

  • In-country local vendor interviews
  • Distribution data feeds
  • Worldwide and regional vendor guidance
  • ODM data
  • In-country local channel partner discussions
  • Import records
  • Feedback from component suppliers
  • Vendor briefings and public financial reports

Enabling Better Business Decisions Across the Organization

IDC trackers provide the accurate and timely market size, vendor share, and forecast information you need to identify market and product expansion opportunities, increase revenue, and win market share. IDC's tracker research is a critical input to the planning and monitoring cycles of the business process. Common uses of the tracker data include:

Planning Process

  • Regional-, state-, or city-level planning — setting regional-, country-, state-, or city-level sales targets based on market opportunity
  • Product marketing — creating a product strategy and road map based on currently available product features and expected growth
  • Production planning — using customer demand data as an input in the creation of production schedules
  • Product portfolio planning — accessing accurate and detailed data as an input into the product development process

Monitoring Process

  • Performance measurement — comparing vendor performance on prior fiscal periods
  • Competitive analysis — reviewing competitor performance across multiple dimensions: product, features, channel, segment, geography
  • Sales forecasting measurement — assessing internal sales forecast versus actual results
  • Price benchmarking — comparing vendor versus market pricing data by model
  • Marketing communications — using positive results for messaging in the press, at partner events, or in sales collateral

IDC's Global Tracker Process at Work


Meet the Experts
Hoang Nguyen
Program Vice President, Worldwide Tracker Program
Lidice Fernandez
Program Vice President, Worldwide Tracker Research
Liz Conner
Research Manager, PBBA, PELS, and Storage in the Cloud
Maura Fitzgerald
Research Analyst, Worldwide Disk Storage Systems Tracker