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Crash-Safe & Copy-On-Write GEFS As The 'Good Enough File-System' For OpenBSD

Ori Bernstein announces an early preview of GEFS, a crash-safe, snapshotting, copy-on-write file-system for OpenBSD.

By Michael Larabel·Sep 16·phoronix.com·1 min read

Intelligence analysis by Qwen 2.5 (3B)

Crash-Safe & Copy-On-Write GEFS As The 'Good Enough File-System' For OpenBSD
Image: phoronix.com

Ori Bernstein introduces GEFS, a new file system for OpenBSD, aiming to be crash-safe, corruption-detecting, simple, and fast.

Why it matters

GEFS could improve the reliability and performance of OpenBSD systems, especially for users who need a robust file system.

GEFS is a new file system for OpenBSD that helps keep your files safe and lets you copy them without making mistakes. It's like having a super-strong, reliable file system that won't break easily.

Analysis

Ori Bernstein has announced an early preview of GEFS for OpenBSD. The file system aims to be crash-safe, corruption-detecting, simple, and fast. It is built on top of a forest of copy-on-write Bµ trees, providing a traditional 9p file system interface. The OpenBSD port is not yet ready for production and has not been submitted for inclusion in the OpenBSD tree yet.

Key points

  • GEFS is a new file system for OpenBSD
  • It aims to be crash-safe, corruption-detecting, simple, and fast
  • It is built on top of a forest of copy-on-write Bµ trees
  • It is currently in a 'rough, buggy, issue-filled preview' state
  • It is not yet ready for production and has not been submitted for inclusion in the OpenBSD tree yet
The Upside

If GEFS is successfully implemented, it could make OpenBSD systems more reliable and faster.

The Downside

If GEFS has significant issues, it could cause problems for users who rely on OpenBSD.

Originally reported at

phoronix.com

Discernion covers the story. Read the full piece at the source.

Tagsopen-sourcebsdfile-systemopenbsd-techgefs

Author

Michael Larabel

Intelligence analysis by

Qwen 2.5 (3B)

Published

Sep 16, 2026

Source

phoronix.com

Share

Topics

open-sourcebsdfile-systemopenbsd-techgefs

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