HAMMER2
HAMMER2 is a successor to the HAMMER filesystem, redesigned from the ground up to support enhanced clustering. HAMMER2 supports online and batched deduplication, snapshots, directory entry indexing, multiple mountable filesystem roots, mountable snapshots, a low memory footprint, compression, encryption, zero-detection, data and metadata checksumming, and synchronization to other filesystems or nodes. It lacks support for extended file attributes (xattr).
| Developer(s) | Matthew Dillon |
|---|---|
| Full name | HAMMER2 |
| Introduced | June 4, 2014 with DragonFly BSD 3.8 |
| Features | |
| File system permissions | UNIX permissions |
| Transparent compression | Yes |
| Transparent encryption | Planned |
| Data deduplication | Live |
| Other | |
| Supported operating systems | DragonFly BSD |
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