New SPC-1 Result Demonstrates Dot Hill AssuredSAN Pro 5000 Storage System Delivers Exceptional, Affordable Transaction

New SPC-1 Result Demonstrates Dot Hill AssuredSAN Pro 5000 Storage System
Delivers Exceptional, Affordable Transaction Performance

Real-Time Tiering Solution Shown to Achieve More Than 39,000 IOPS as Reported
by Vendor-Neutral Storage Performance Council

LONGMONT, Colo., Feb. 25, 2013 (GLOBE NEWSWIRE) -- Dot Hill Systems Corp.
(Nasdaq:HILL), a leading provider of SAN storage solutions, today announced
that its AssuredSAN™ Pro 5000 Series real-time tiering solution produced
39,041.81 SPC-1 IOPS (input/output operations per second) as part of a new
SPC-1 benchmark result submission to the Storage Performance Council (SPC).[1]
The SPC-1 Total Price of $115,407.15, or $2.96 per SPC-1 IOP, for the
benchmark configuration illustrates exceptional value for midrange customers.

The SPC is a non-profit corporation founded to define, standardize and promote
storage benchmarks and to disseminate objective, verifiable storage
performance data to the computer industry and its customers. The
organization's strategic objectives are to empower storage vendors to build
better products as well as to stimulate the IT community to more rapidly trust
and deploy multi-vendor storage technology.

The SPC-1 benchmark is a true appraisal of enterprise storage performance and
measures total IOPS, price-performance (cost per IOPS), and total cost of
ownership (which includes three years of warranty support). The AssuredSAN Pro
5000 demonstrated the best combination of SPC-1 Price-Performance for midrange
systems (priced between $30,000 and $200,000) at $2.96 per IOPS, with the
lowest cost per GB at $6.48 [2], proving that a high performance tiered
storage system can be cost-effective. The Dot Hill AssuredSAN Pro 5000 SPC-1
Result also reported very low average latency of 6.95 milliseconds with the
SPC-1 mix of 39.42% reads and 60.58% writes.

During the test performed by Dot Hill, the effect of Dot Hill's real time
tiering was demonstrated as the storage array autonomically adapted to the
SPC-1's dynamic workload: there was an 85% increase in performance when
comparing the reported performance (21,134.27 SPC-1 IOPS @ 73.83ms) at the
start of the Ramp-Up Test Run's measurement interval to the reported
performance (39,050.08 SPC-1 IOPS @ 7.32ms) of the Sustainability Test Run.

"Dot Hill is committed to leading innovation and technology in our chosen
segments," said Ken Day, vice president of engineering, Dot Hill. "We designed
the AssuredSAN Pro 5000 Series with real-time tiering to fully exploit the
performance benefits of SSD drives, while storing less frequently accessed
data on more cost-effective hard disk drives. Equipped with Dot Hill RealStor™
software for all configurations, the AssuredSAN Pro 5000 Series achieved
exceptional performance on the SPC-1 benchmark, by prioritizing data files,
volumes or blocks between storage tiers using built-in analysis and data

SPC-1 benchmark results provide a source of comparative storage performance
information that is objective, relevant, and verifiable. SPC-1 consists of a
single workload designed to demonstrate the performance of a storage subsystem
while performing the typical functions of business critical applications.
Those applications are characterized by predominantly random I/O operations
and require both queries as well as update operations. Examples of those types
of applications include OLTP, database operations, and mail server

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

The AssuredSAN Pro 5000 Series with RealStor software takes tiered storage to
a new level — beyond competitors' 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.

The AssuredSAN Pro 5000 configuration used for the SPC-1 testing consisted of
three 2U chassis, 39.2 TB of raw capacity with 8 SSD drives and 64 HDD drives.
RealStor software and three year warranty support was factored into a total
price of $115,407.15.

[1] The Executive Summary and Full Disclosure Report for the AssuredSAN 5000
Pro Series is available at the Storage Performance Council web site at

[2] "Cost per GB" was calculated by Dot Hill as follows: SPC-1 Total Price
divided by Total ASU Capacity equals "Cost per GB" … or …
$115,407.15 / 17,801.996 GB = $6.48

SPC, SPC Benchmark 1, SPC-1, SPC-1 IOPS and SPC-1 Price-Performance are
trademarks of the Storage Performance Council

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

The Dot Hill Systems Corporation logo is available at

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 theSecurities and Exchange CommissionbyDot Hill. Forward-looking
statements speak only as of the date they were made andDot Hillundertakes no
obligation to update such statements to reflect changes in
circumstances.Storage Performance Counsel is an entity independent of Dot
Hill, and Dot Hill is not responsible for any statements made by such SPC.


CONTACT: Steve Sturgeon
         Lutz PR (for Dot Hill Systems)
         Company Contact:
         Ruth Macdonald
         Dot Hill Systems

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