ESG Lab Report Validates Seriously Smart Efficiency of AssuredSAN Pro 5000 Series With Real-time Tiering
Report Confirms Wicked Fast Performance of Dot Hill AssuredSAN Pro 5000 and 4000 Midrange Storage Systems

LONGMONT, Colo., Oct. 17, 2012 (GLOBE NEWSWIRE) -- Dot Hill Systems Corp. (Nasdaq:HILL), a leading provider of SAN storage solutions, today announced Enterprise Strategy Group (ESG) has recently issued a Lab Validation Report validating the wicked fast performance, rock solid reliability, and disruptively simple management interface of the new Dot Hill AssuredSAN™ Pro 5000 Series and AssuredSAN 4000 Series storage arrays, both now available to customers.

The ESG Lab Validation Report documents the results of expert, independent, hands-on testing of the Dot Hill AssuredSAN Pro 5000 Series and AssuredSAN 4000 storage solutions. Key findings of the report are summarized below:

AssuredSAN Pro 5000 Series RealStorTM Software—As Autonomic as Breathing

The report validates that AssuredSAN Pro 5000 Series' RealStor software with real-time tiering significantly reduces the cost and complexity of deploying and managing storage in midmarket organizations. "Our testing of Dot Hill's RealStor software showed significant improvements in response time for workloads mirroring typical business environments, such as email, database queries, and online ordering. RealStor software quickly adapted to rapidly changing workloads," said Brian Garret vice president, ESG Lab. "We believe customers will welcome the AssuredSAN Pro 5000's simply elegant approach to storage management that saves time and money, delivers impressive performance, and eliminates the hassle of dealing with RAID."

Like the autonomic nature of breathing, IT managers don't have to think about benefits of the RealStor software, concluded ESG Lab; capacity, performance and efficiency are automatically optimized in real-time. ESG Lab noted that after the system automatically configures storage into one or more pools, RealStor kicks in and works without user intervention to deliver seriously smart capabilities including: Automated Tiered Storage, Thin Provisioning and Quick RAID Rebuild.

Disruptively Simple Management Interface Configured in Five Minutes

The report validates that Dot Hill's new and disruptively simple management interface, found in both the AssuredSAN 4000 Series and the AssuredSAN Pro 5000 Series, can be used to dramatically reduce the time, effort, and potential for error inherent in managing complex storage environments. A wizard-driven configuration of a system from scratch was completed in only five minutes. Complex device creation and mapping was simplified with table-driven wizards. ESG Lab noted that it was "pleasantly surprised" with the integrated performance monitoring and trending capabilities supported by the management interface at no additional cost.

Testing Confirms 'Wicked Fast' Performance

Performance testing of AssuredSAN Pro 5000 Series quantified the benefits of tiering in real time. ESG Lab tested an industry-standard workload that simulates the activity of a typical OLTP database application in a pool with sixty 600GB RAID-10 RPM hard drives and eight 400GB RAID-1 solid-state drives. ESG Lab showed that real-time tiering kicked in and started migrating frequently accessed data to solid-state within minutes and aggregate performance increased approximately 2.5 times over the course of the next 14 hours.

Performance testing of the AssuredSAN 4000 Series measured the raw performance of the underlying hardware, emulating a typical Microsoft Exchange 2010 user in a VMware ESX 5.1 virtual server environment with a mailbox size of 200MB and target I/O rate of 0.13 IOPS per mailbox. ESG Lab reported that an impressive peak of 52,000 mailboxes was supported as the number of virtual machines running in parallel scaled from one to four. In each case, testing recorded average database response time under the Microsoft recommended limit of 20 milliseconds.

"Many storage vendors make grandiose claims about their products' performance, but few put their products under the microscope to undergo third-party performance evaluation," said Jim Jonez, senior director of marketing, Dot Hill. "This ESG Lab Validation Report offers independent validation of the performance and simplicity of Dot Hill's AssuredSAN Pro 5000 and AssuredSAN 4000 storage systems and the associated real-world benefits for midmarket organizations. These new products deliver demonstrated high availability with best-in-class price/performance. And the Pro 5000 delivers the world's most responsive storage with real-time tiering and a simplified interface for improved operational efficiency."

"As IT managers face the challenges of cost, complexity and performance, we believe our expanded AssuredSAN portfolio is extremely well-equipped to meet the needs of a broad range of customers from entry-level to the midrange, delivering up to 99.999 percent data availability across the board."

AssuredSAN 5000 Pro Series: Seriously Smart, Real-time Tiered Storage for the Midrange

The AssuredSAN Pro 5000 Series with RealStor™ software takes tiered storage to a new level — beyond competitors' automated batch migration, and into a new era of autonomic, real-time data tiering. With RealStor, businesses gain the advantage of very high performance SSDs, using them to their maximum benefit, while storing less frequently accessed data on slower, but much less expensive, hard disk drives. Designed for the midrange market, the AssuredSAN Pro 5000 Series is a high-performance, highly available, fully integrated storage solution that delivers consistently faster access to current data with built-in, real-time, autonomic tiered storage and virtualization.

Highly Reliable AssuredSAN 4000 Series Storage Solution Delivers Wicked Fast Performance

Sharing the same powerful architecture as Dot Hill's AssuredSAN Pro 5000 Series midrange system, the AssuredSAN 4000 Series provides superior streaming performance for bandwidth-intensive applications. The AssuredSAN 4000 Series sets a new Dot Hill performance standard -- delivering up to 5200 MB/s of sustained sequential read throughput and up to 3000 MB/s of sustained sequential write performance -- making it ideal for customers in the Media & Entertainment (M&E), Telecommunications, and High Performance Computing (HPC) markets.

About Dot Hill

Leveraging its proprietary Assured family of storage solutions, Dot Hill solves many of today's most challenging storage problems – helping IT to improve performance, increase availability, simplify operations, and reduce costs. Dot Hill's solutions combine breakthrough software with the industry's most flexible and extensive hardware platform and automated management to deliver best-in-class solutions. Headquartered in Longmont, Colo., Dot Hill has offices and/or representatives in China, Germany, India, Japan, Singapore, the United Kingdom, and the United States. For more information, visit us at www.dothill.com.

The Dot Hill Systems Corporation logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=13870

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 from those expressed or implied by the statements. For a discussion of risks and uncertainties that Dot Hill may face, please consult the Forms 10-K and 10-Q most recently filed with the Securities and Exchange Commission by Dot Hill. Forward-looking statements speak only as of the date they were made and Dot Hill undertakes no obligation to update such statements to reflect changes in circumstances. Dot Hill takes no responsibility for statements made by the Enterprise Strategy Group.

HILL-G

CONTACT:  Steve Sturgeon 
          Lutz PR (for Dot Hill Systems)
          858-472-5669
          steve@lutzpr.com

          Company Contact:
          Ruth Macdonald
          Dot Hill Systems
          303-845-3364
          ruth.macdonald@dothill.com
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