Dot Hill Awarded Patent for Read-Cache Operation

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Invention Provides More Efficient Managment of Read-Cache to Deliver Greater Intelligence and Performance for Company's Real-Time Hybrid Storage Solutions

Invention Provides More Efficient Managment of Read-Cache to Deliver Greater Intelligence and Performance for Company's Real-Time Hybrid Storage Solutions

LONGMONT, Colo., Sept. 15, 2015  -- Dot Hill Systems Corp. ($HILL) , the real-time hybrid storage company, today announced that it has been awarded a patent that provides more efficient management of read-cache operations. The patented technology is used by the storage controller to intelligently optimize cache memory, resulting in lower than average data read times compared to traditional storage controllers. The technology is an integral component of RealStor™, Dot Hill's real-time storage operating system, and is now available in Dot Hill's AssuredSAN® 3004, 4004 and 6004 hybrid storage arrays.

"The Internet of Things and rise of real-time, read-intensive computing has created a need for storage technologies that can quickly and intelligently manage growing data traffic workloads," said Ken Day, chief technology officer, Dot Hill. "Our patented RealStor technology is core to meeting these demands with greater predictive intelligence. Recent test results published by Demartek illustrate the performance advantage of our hybrid storage with real-time tiering that delivers nearly 5x performance over all-HDD configurations. This demonstrates our ongoing efforts to push the frontiers of storage innovation by optimizing every aspect of how we manage, profile and tier data to address changing application and end-user requirements."

Dot Hill's AssuredSAN arrays are built with robust active-active high availability controllers that deliver performance, reliability and resilience for demanding storage applications in server-centric applications in data centers and purpose-built vertical market applications. This patented technology optimizes read cache utilization resulting in faster access to critical data. This invention utilizes complex profiling processes to accurately predict if data currently in a read cache memory is likely to be read in the near future. If it is, the data is maintained in the read cache. If it is not, the processes replace the data least likely to be read with data in the storage devices that is most likely to be read. The result is a very efficient utilization of the cache for improved performance.

The company's 106th U.S. patent, numbered 9,053,038, joins a growing portfolio of Dot Hill innovations behind its AssuredSAN hybrid arrays, delivering low-cost, high-performance storage systems to meet the challenges of IoT and third-platform computing applications.

About Dot Hill

Leveraging its proprietary AssuredSAN family of hybrid storage solutions with RealStor, the next generation real-time storage operating system, Dot Hill solves today's storage workload challenges created by the Internet of Things and third platform technologies. In today's interconnected world, Dot Hill storage solutions support people accessing information, and machines collecting sensor data, all in real time. Dot Hill's solutions combine innovative intelligent software with the industry's most flexible and extensive hardware platform and simplified management to deliver best-in-class solutions. Headquartered in Longmont, Colo., Dot Hill has offices and/or representatives in the United States, Europe, and Asia. For more information, contact Dot Hill at or @Dot_Hill.


Statements contained in this press release regarding matters that are not historical facts are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act. Because such statements are subject to risks and uncertainties, actual results may differ materially from those expressed or implied by such forward-looking statements. For a discussion of such risks and uncertainties that Dot Hill may face, please consult the Company's most recent Forms 10-Q and 10-K filed with the Securities and Exchange Commission. All forward-looking statements contained in this press release speak only as of the date on which they were made. Dot Hill undertakes no obligation to update such statements to reflect events that occur or circumstances that exist after the date on which they were made.

Marty Querzoli
Davies Murphy Group (for Dot Hill Systems)
(781) 418-2433

Company Contact:
Ruth Macdonald
Dot Hill Systems
(303) 845-3364



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