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RozoFS is a scale-out NAS file system. RozoFS aims to provide an open source high performance and high availibility scale out storage software appliance for intensive disk IO data center scenario. It comes as a free software, licensed under the GNU GPL v2. RozoFS provides an easy way to scale to petabytes storage but using erasure coding it was designed to provide very high availability levels with optimized raw capacity usage on heterogeneous commodity hardwares.
RozoFS provides a native open source POSIX filesystem, build on top of a usual out-band scale-out storage architecture. The Rozo specificity lies in the way data is stored. The data to be stored is translated into several chunks named projections using Mojette Transform and distributed across storage devices in such a way that it can be retrieved even if several pieces are unavailable. On the other hand, chuncks are meaningless alone. Redundancy schemes based on coding techniques like the one used by RozoFS allow to achieve significant storage savings as compared to simple replication.
Scale out storage deal with new big data storage challenge. Scientists, coporates, need availibility as much as scalability. Proprietary products limits benefits of the cost killer scale-out model on commodity hardwares. Great existing open source projects use replication for availability and erasure coding is a hot topic on itself and needs its own platform. Rozofs aims to provides:
- high scalability ;
- high availability ;
- high robustness ;
- ease of use.
The project was first initiated by Fizians which acts as core team provider (first releases, commiters and so on) and help moving the product from labs to end users.
RozoFS is a full open source project GNU GENERAL PUBLIC LICENSE Version 2. Not only the appliance sit on top of linux OS, but also we want to rely on improve and robust technologies complementary with our skills in distributed storage technologies. RozoFS aims to gather a highly skilled community to provide a high quality robust software, open source is the ultimate model for this, and rozofs.org is that for.
###RozoFS User's Guide
###Release Notes and Roadmap
- Release Notes
- Roadmap (coming soon)
###Man pages