HAMMER - 64-bit file system built on B-trees . Designed by Matthew Dillon for the DragonFlyBSD operating system.
FS capabilities HAMMER [1] [2]
- Save file system history (with customizable wiping of old data)
- Large supported volume (up to 1 Exabyte )
- Ability to work with pseudo-file systems and mirroring at the level of pseudo-file systems
- Enhanced data integrity monitoring ( CRC metadata checking)
- Minimize recovery time in case of incorrect unmounting of the file system (there is no need to run fsck )
- FS is optimized for working with clusters and remote access to information.