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WinBtrfs – an open-source btrfs driver for Windows

Screenshot of github.com captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 4 calendar years, with breakout response in 2 of them.

submissions
5
submitters
5
observed span
2016–2024
peak thread · 113 comments
311 pts
latest 20+ return · 2024-04-06
311 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

Wanted to use it for a while but a glance at the github issues was enough to nope out. BSODs, lockups, usage spikes, corruption. I so much wish for a stable btrfs/zfs driver, I'd gladly throw my credit card at it. I don't get why these things don't get more traction.

What's interesting to me is that there doesn't seem to be a modern filesystem that works across all major platforms. btrfs has Linux and this (unofficial) Windows driver; ZFS has Linux and OS X support but nothing for Windows. NTFS is pretty much Windows and Linux only for good write access, and APFS is macOS-only. I realize that designing a filesystem and writing drivers for it are very difficult tasks, but surely it would be extremely beneficial to have at…

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
474

reference only — not used in Hall rules or ranking

Total comments
213

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2016-02-22A Btrfs File-System Kernel Driver for Windowsspacey20
2016-02-23WinBtrfs v0.1guardian5x20
2017-09-05WinBtrfs – A Windows driver for the next-generation Linux filesystem BtrfsFirst breakoutdoener158100
2022-12-05WinBtrfs – an open-source btrfs driver for WindowsMaakuth10
2024-04-06WinBtrfs – an open-source btrfs driver for WindowsHall induction · Best thread · Latest 20+ point returnfrankjr311113