Reliance 3.0 Offers a Seamless User Experience in Multimedia Devices

BOTHELL, Wash., – March 12, 2007 – Datalight Inc., the premier supplier of reliable
software for device data storage, announced today a major upgrade to Reliance™, the
fault-tolerant file system for mobile devices and embedded systems. Reliance 3.0,
available in April 2007 from Datalight and authorized resellers, adds the “no waiting”
benefit of multi-threading to the “instant on” fast boot times of its transactional file

For a smooth user experience on devices that support multi-tasking, such as listening to
music while sending a text message, multi-threading capabilities are a necessity. Without
a multi-threaded file system at the foundation of today’s converged devices, music
playback would halt or “stutter” while the file system processed the text message.
Multi-threading within Reliance is a new feature designed to reduce system latency when
used with multi-threaded operating systems.

The “instant on” capabilities of Reliance come from its ability to quickly determine the
state of the disk at boot time after reading only three blocks of data, avoiding the
time-consuming process of a CHKDSK or journal review required by other types of file
systems. As more storage capacity is added to a device, traditional FAT and journaling
file systems typically take longer and longer to boot. Reliance boots just as quickly on
an empty 1 MB disk as a full 4 GB one.

“Datalight has responded to the astounding growth of multimedia-capable devices by
adding features to Reliance that meet our customer’s needs for a seamless user experience.
Manufacturers who create devices with a reliable, multi-threaded file system deliver a
higher-quality product to their customers,” stated Cortney Jacobsen, Datalight product
manager. “Our customers are excited to learn that they do not have to sacrifice
performance in order to build a reliable device,” she added.

Reliance was designed from the ground up for embedded systems to eliminate data
corruption caused by unexpected interruptions (i.e. a device’s battery runs out),
effectively reducing warranty returns and increasing customer satisfaction. Its Dynamic
Transaction Point™ technology allows developers complete control of how and when data
is committed to disk: automatically, at specific time intervals, under application control
or any combination of the three. And while competing file systems sacrifice system
performance to improve reliability, Reliance can be configured on-the-fly for the most
competitive performance and reliability for specific use cases. When used in combination
with Datalight FlashFX Pro intelligent flash memory manager, Reliance supports the full
range of storage media and is especially designed for resident NAND flash, resident NOR
flash, flash cards, and hard disk drives.

Reliance is available to support Microsoft Windows CE, Wind River VxWorks, and Mentor
Graphics Nucleus. An RTOS porting kit is available to integrate Reliance into other 32-bit
operating systems.

Developers can download evaluation versions of Reliance 3.0 from the Datalight website: in early April.

About Datalight

Datalight, headquartered just north of Seattle, Wash., develops technologies to reliably manage data in embedded devices. Datalight’s file system, device drivers and operating system software ensures reliability, performance and flexibility and is available worldwide on many of today’s most well-known mobile devices. For more information, see or call 800.221.6630.

Contact Information


21520 30th Drive SE
Suite 110
Bothell, WA, 98021

tele: 425.951.8086 x100
fax: 425.951.8094

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