Bcachefs is an advanced new filesystem for Linux, with an emphasis on reliability and robustness. It has a long list of features, completed or in progress:
Copy on write (COW) - like zfs or btrfs
Full data and metadata checksumming
Multiple devices, including replication and other types of RAID
Caching
Compression
Encryption
Snapshots
Scalable - has been tested to 50+ TB, will eventually scale far higher
Already working and stable, with a small community of users
There are no reported vulnerabilities
30 Day SummaryNov 8 2025 — Dec 8 2025
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12 Month SummaryDec 8 2024 — Dec 8 2025
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