Hacker ApprovedDepartments

Berkeley Fast File System (FFS)

Ranked 3 of 3 file systems by recommenders

Long-standing OpenBSD filesystem that many find reliable in daily use. Main caveat: it lacks journaling, which critics call outdated, and some report corruption.

Long-standing OpenBSD filesystem that many find reliable in daily use. Main caveat: it lacks journaling, which critics call outdated, and some report corruption.

8 people gave an opinion

recommend it
5
criticize it
3
approval share
63%
Each figure is one person. RecommendsCriticizes

Recommended in 3 of 13 months

  1. November 2025: recommended
  2. December 2025: not recommended
  3. January 2026: recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 5 people recommend itNeeds 10 or more, not met.
  • 1.6 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 3 of 13 monthsNeeds 4 or more, not met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

What people warn about

Each mark is one comment

  • No journaling, considered outdated

    “OpenBSD's pre-journaling FFS is ancient and creaky but also extremely robust”

    Comment from 25 Nov 2025 in “Moving from OpenBSD to FreeBSD for firewalls”

    “The lack of at least a journaling FS is inexcusable in a modern OS.”

    Comment from 27 Nov 2025 in “Moving from OpenBSD to FreeBSD for firewalls”
  • Reports of data corruption

    “it will be more reliable than FFS, for sure”

    Comment from 15 Sep 2026 in “GEFS on OpenBSD: A Early Preview”

    “FFS corrupted multiple times on me”

    Comment from 15 Sep 2026 in “GEFS on OpenBSD: A Early Preview”

Other file systems people recommend

The two most recommended other file systems, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Berkeley Fast File System (FFS) compared with 2 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
OpenZFS22581%9—Approved
mergerfs6186%5——
Berkeley Fast File System (FFS)This page5363%3——
See all 3 file systems, ranked

What people said

All 8 comments that mention it, newest first. Each links to the original comment.

“it has been fully reliable for me”

RecommendsComment from 20 Sep 2026 in “GEFS on OpenBSD: A Early Preview”

“FFS corrupted multiple times on me”

CriticizesComment from 15 Sep 2026 in “GEFS on OpenBSD: A Early Preview”

“FFS has so far never gone corrupt on me.”

RecommendsComment from 15 Sep 2026 in “GEFS on OpenBSD: A Early Preview”

“it will be more reliable than FFS, for sure”

CriticizesComment from 15 Sep 2026 in “GEFS on OpenBSD: A Early Preview”

“People may argue that zfs of xfs or jfs or ffs is better than ext4, but are they gunna jump in and fix it for free”

MixedComment from 24 Jan 2026 in “Internet Archive's Storage”

“The lack of at least a journaling FS is inexcusable in a modern OS.”

CriticizesComment from 27 Nov 2025 in “Moving from OpenBSD to FreeBSD for firewalls”

“OpenBSD's pre-journaling FFS is ancient and creaky but also extremely robust”

MixedComment from 25 Nov 2025 in “Moving from OpenBSD to FreeBSD for firewalls”

“ffs has never really let me down”

RecommendsComment from 16 Nov 2025 in “Why use OpenBSD?”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.