Capacity-Optimized Nearline SAS Drives Challenge SATA Page 2 - EnterpriseStorageForum.com

Capacity-Optimized Nearline SAS Drives Challenge SATA Page 2

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Solid Investment Protection

Capacity-optimized SAS drives are supported with a strong roadmap to help assure organizations that capacity-optimized SAS drives can effectively keep pace with their data growth. With data retention requirements growing exponentially, capacity-optimized SAS drives are set to release increasing capacities over the coming years. Today’s capacities for 3.5-inch drives range from 250GB to 2TB. By the end of 2010, 3TB drives can be expected in the 3.5-inch form factor. With the growing popularity of 2.5-inch drives in the enterprise, these capacities are also increasing. In 2010, 2.5-inch drives are expected to offer capacities of up to 1TB. Contributing to this growth is the widespread adoption of SAS in the enterprise. IDC predicts that 70 percent of all enterprise drive shipments will be SAS by 20111 (IDC Worldwide Hard Disk Drive 2009-2012 Forecast: Navigating the Transitions for Enterprise Applications IDC Doc #216394 February 2009). While the majority of these drives today are of the 6Gbps SAS generation, the SCSI Trade Association has already added 12Gbps solutions to the industry roadmap for the 2013 timeframe.


SAS Roadmap

Low Power Consumption

One of the reasons that 2.5-inch drives have exploded onto the scene is the concern for energy efficiency in the data center. Small Form-factor (SFF) drives conserve energy by reducing power and cooling on average up to 70 percent over traditional 3.5-inch drives. In addition to lowering the Watts/GB, the smaller footprint allows more drives per system for greater performance density and redundancy.

Conclusion

The need for capacity-optimized drives is clear, based on the markets’ increasing need to store their secondary data cost-effectively. While SATA technology has been the leading option for years as the only capacity-optimized drive in the market, the introduction of capacity-optimized SAS drives provide multiple benefits and compelling reasons to be considered as the capacity-optimized drive-of-choice. SAS is designed and engineered for high availability, enterprise-class data storage where performance, reliability, and data integrity are paramount. With the introduction and adoption of SAS in the traditional capacity-optimized market segment, customers can now be confident that their secondary storage also meets the demanding criteria that enterprises demand.

Gina Geisel is the product marketing manager for the SAS-based storage arrays of LSI’s Engenio Storage Group. In her current role, Gina is responsible for generating collateral material, positioning literature and sales tools which are leveraged by LSI as well its OEM and channel partners. Gina joined LSI in 2006 and has more than nine years of storage experience.

John Szantho has been in product management within LSI’s Engenio Storage Group for more than six years and has more than ten years of storage industry experience. As the product manager for hard disk drives, SSDs and storage enclosures, John is responsible for helping define product roadmaps, developing market and product requirements, and championing products through development.

Barbara J. Craig is a senior product marketing manager on Seagate’s Enterprise Storage team. With more than 30 years in technology, she has spent the last 13 years focused on storage and storage networking. She attended the State University of New York, Pepperdine University, and Vanderbilt University.

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