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Tuxera NitroFS

High-performance file system for mission-critical data

Product overview

Ensure full data integrity, even during power interruptions

Tuxera NitroFS™ is a transactional file system that protects both metadata and user data from corruption through copy-on-write design. Run your applications at top speed while ensuring your data stays intact. Our file system works with all embedded flash memory types, like eMMC, UFS, and SSD. Paired with Tuxera FlashFX Tera, it works on top of any NAND or NOR device.

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KEY FEATURES

Dynamic Transaction Points™

Control exactly when your data gets committed to disk. Our Dynamic Transaction Point™ technology lets you control the timing based on your specific needs. This helps optimize write patterns, reduce write amplification, and extend the lifetime of your flash media.

Copy-on-write design

Prevent data corruption with a design that never corrupts your data. This approach ensures consistent mount times and complete user data integrity. After power interruptions, your applications will instantly return to a “known good state,” without journal replays or disk checks during reboot.

Hierarchical CRCs & full data integrity verification

Catch hidden data corruptions that standard file systems might miss. Our verification system uses an advanced tree structure. This advanced approach flags potential issues before they cause failures, giving you early warnings of media problems that typically go undetected until it’s too late.

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The tuxera difference

What our customers think

“We successfully completed our lifespan testing simulating more than 20 years of our product use with over 1.2 billion SQLite3 database write transactions. The excellent support [they] provided us during the selection process helped cement…

“The solution products have been very beneficial in achieving these challenging requirements. The product behaved as required. The close cooperation between our local development team, the Datalight* support team and Logic Technology during the entire…

“We successfully completed our lifespan testing simulating more than 20 years of our product use with over 1.2 billion SQLite3 database write transactions. The excellent support [they] provided us during the selection process helped cement…

“The solution products have been very beneficial in achieving these challenging requirements. The product behaved as required. The close cooperation between our local development team, the Datalight* support team and Logic Technology during the entire…

“We successfully completed our lifespan testing simulating more than 20 years of our product use with over 1.2 billion SQLite3 database write transactions. The excellent support [they] provided us during the selection process helped cement…

“The solution products have been very beneficial in achieving these challenging requirements. The product behaved as required. The close cooperation between our local development team, the Datalight* support team and Logic Technology during the entire…

We’ll help you find the right solution

Have a question or need guidance? Whether you’re searching for resources or want to connect with an expert, we’ve got you covered. Use the search bar on the right to find what you need.

The perfect solution for your industry

When to use Tuxera NitroFS

NitroFS is ideal for managing mission-critical data where failure isn't an option.

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Smart energy solutions

Secure your metering data and energy infrastructure with robust power-fail protection that keeps critical information intact during outages.

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Industrial solutions

Keep your operations running smoothly and prevent costly downtime with high-speed file transfers, file systems, and embedded software built for harsh conditions.

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Automotive & transportation

Drive reliable, instant-on performance in your infotainment, digital clusters, and autonomous systems where data integrity determines safety.

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Aerospace solutions

Launch with confidence using proven data resilience for mission-critical applications that operate in extreme environments—from satellites to exploration vehicles.

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Defense solutions

Protect your military-grade applications with the highest levels of data integrity.

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Which product is right for me?

Tuxera NitroFS Tuxera EdgeFS
Best suited for High-end systems (such as SoCs) Designed for complex use cases and heavier data workloads. Resource constraint systems like MCUs Designed for efficient resource consumption and real-time operations.
Use case examples Parallel data recording, Over-The-Air (OTA) updates, High Performance Computing (HPC) infrastructure FreeRTOS, SafeRTOS, INTEGRITY, MQX, ARM mbed, U-Boot, emcOS, Azure RTOS, portable to other RTOSes
Supported Media All block based media: eMMC, UFS, SSD, SD card, and CF Express card, NAND and NOR Flash – with flash translation layer All block based media: eMMC, UFS, SSD, SD card, and CF Express card, NAND and NOR Flash – with flash translation layer
Supported Hardware/Architecture 32-bit or 64-bit platforms (ARM, ARM64, Intel x86/x86_64 and compatible) 32-bit or 64-bit system, bare metal

Frequently asked Questions

Have questions about Tuxera NitroFS?

Here are answers to what customers typically ask about NitroFS. Just reach out if your question isn’t listed here. 

Which operating systems does it support?

You can run NitroFS on Linux, VxWorks, or any other 32-bit or 64-bit real-time operating system (RTOS)—including your own proprietary systems.

Can I encrypt my data?

Yes, you can secure your data with NitroFS using fscrypt on Linux. On another operating systems, we’ll help you choose the right approach for your security and performance needs.

How do I set up NitroFS for my specific use case?

You can customize every aspect of NitroFS to fit your exact requirements. Choose how often to save data, how to use your cache, and how to optimize for your hardware. Our team will help you find the perfect configuration for your system.

Technical specifications

Detailed product specifications

DATASHEET

Data protection & integrity

Dynamic Transaction Point™ technology

Customize the balance between performance and data at risk. All writes are atomic. Copy-on-write design never corrupts your data, ensuring consistent mount times and complete user data integrity.

CRC32 for file data and metadata

Cyclic Redundancy Checks (CRCs) ensure complete metadata integrity, unlike many file systems that cover only partial metadata. Optional CRCs for file data offer added reliability.

Fscrypt

Linux file-based encryption support to enhance data security at the file level.

OEM attributes

Allows system developers to define custom attributes to define specific behavior on certain files.


Performance features

Multi-threaded architecture

Reduces latency between multiple file access requests for high-quality multi-media experience.

Smart discards

Powerful method for discarding to maintain long-term performance and ensure optimal housekeeping for the flash device.

FlashFX-friendly allocator

Built for seamless compatibility with FlashFX Tera, optimizing performance on flash storage.

Supports advanced storage features

Uses features in storage devices to gain performance and security advantages, such as secure delete.


Integration & Compatibility

SDKs and porting

Linux & VxWorks SDKs available. RTOS porting is supported, enabling deployment to any 32- or 64-bit RTOS, including proprietary operating systems.

POSIX interface

We support a POSIX-like interface, making it easy to integrate with your existing applications.

Highly configurable

Configure system behavior at build time, mount time, or run-time (e.g., transaction masks, and timing), and discard behavior.

NitroFS Tools for Windows

The NitroFS Tools for Windows are available for interoperability. Please contact our Support team at support@tuxera.com.


RELATED RESOURCES

More resources for inspiration

Effective power interruption testing – how best to fail

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How modern file systems detect and respond to SD and SSD media failures

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Troubleshooting corrupted data

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Data trends in the smart manufacturing industry and IIoT markets: implications for the storage stack

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Tuxera NitroFS

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Automotive data storage and handling—now, the future, the challenges, and the risks – Tuxera

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Business implications of an embedded software patent portfolio – Tuxera at embedded world 2021

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Data trends in industrial IoT

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FAT vs true transactional file systems

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Keeping device data safe with secure erase – Tuxera at Embedded World 2021

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What is write amplification and why is it bad for flash memory?

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What reliability means to you? – Keeping your embedded data safe – Tuxera at Embedded World 2021

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Our products

Your mission-critical systems demand uncompromising reliability. Tuxera products mean absolute data integrity. We specialize in file systems, software flash controllers, and secure networking and connectivity solutions. We are the perfect fit for data-intensive, mission-critical workloads. Using Tuxera’s time-proven solutions means that your data is safe and secure – always.

Proven success

Our solutions are trusted by major brands worldwide. When you need reliable, scalable, and lightening-fast data access and transfer across any system or device, Tuxera delivers. Our track record speaks for itself. We’ve been in this business for decades with a clear mission: to be the partner you can trust. Read on to find out more.

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