The total disk storage in the world grew by 59.3 percent to reach 457 petabytes in 2005. This includes storage inside computers and in external storage devices. This phenomenal growth will continue through 2010, as key drivers of regulatory compliance, new storage-intensive applications, constantly improving storage costs and storage management capabilities remain throughout the planning period.

Compliance with government regulations such as Sarbanes-Oxley and HIPAA is generating significant demand for additional storage capacity. Significant new data is required to achieve compliance, with new retention policies being mandated. These regulations are generating significant emphasis as well on information lifecycle management (ILM), security and privacy capabilities along with the skills and staffing to plan for, and implement solutions in these areas.

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