What is SaunaFS?

SaunaFS is a cutting-edge distributed POSIX file system tailored to modern storage needs. Developed primarily in C++, it draws inspiration from industry-leading innovations, delivering high-performance, security, and exceptional redundancy. Its architecture divides responsibilities among metadata servers, chunkservers, and a versatile client range, ensuring seamless data operation across diverse platforms. SaunaFS incorporates chunk-based storage, continuous CRC integrity checks, instant copy-on-write snapshots, and Reed-Solomon erasure coding for robust data protection and rapid recovery.

This platform empowers organizations to scale effortlessly, upgrade hardware with zero downtime, and conduct advanced security analysis through comprehensive, fast metadata logging. SaunaFS caters to backup and recovery, compliance archiving, big data analytics, media workflows, AI, HPC, IoT, and edge computing scenarios. Its flexible integrations and vendor-lock-in avoidance make it an ideal solution for enterprises, public sector, research institutions, and educational organizations looking for data freedom and efficiency.

Features

Chunk-Based Storage: Efficiently manages data in 64 MiB chunks split into 64 KiB blocks.
Reed-Solomon Erasure Coding: Provides robust redundancy and fast data recovery through parity generation.
Copy-on-Write Snapshots: Enables instant snapshots for data immutability and quick recovery.
Fast Metadata Logging: Offers detailed and rapid metadata tracking for advanced security and compliance analysis.
CRC Integrity Checks: Ensures data integrity at the block level with CRC checks on every write and read operation.
Seamless Hardware Scalability: Supports live hardware refresh and capacity expansion with zero downtime.
Native Multi-Platform Clients: Includes proprietary clients for Windows, MacOS, and open-source Linux support.
NFS and S3 Integration: Easily connects to existing infrastructures for flexible deployment.
Continuous Data Scrubbing: Automates integrity verification and rapid failure correction.

Use Cases

Enterprise data backup and recovery
Compliance-focused archiving and historical data retention
Big data analytics infrastructure
Media storage and video editing workflows
Accelerating AI and high-performance computing (HPC) workloads
Secure real-time data processing for IoT and edge deployments
Education sector digital content management
Government and public sector secure storage with regulatory compliance

FAQs

What platforms does SaunaFS support?

SaunaFS provides clients for Windows, MacOS, Linux, and supports integration with NFS and S3 Gateway environments.
How does SaunaFS ensure data integrity?

SaunaFS maintains data integrity through CRC checks for every 64 KiB block and regular data scrubbing with checksum verification.
Can SaunaFS process hardware upgrades or additions without downtime?

Yes, SaunaFS architecture allows hardware refreshes and capacity additions without interrupting data access.
Is metadata logging enabled by default?

Detailed metadata logging is available, but access time attribute logging is disabled by default for performance reasons.