News for hackers. Stuff that matters.

A comment on ntfs2btrfs: In-place conversion of NTFS filesystem to Btrfs. Parent comment

Re:ntfs2btrfs: In-place conversion of NTFS filesystem to Btrfs by regularfry on Monday March 07, 2022 @12:09PM (#30590354)
It certainly used to be the case that BTRFS had some nasty behaviour patterns when it started to run low on space. It could well be that it has not presented any problem for you yet.

On the other hand, those days might be behind it. I haven't kept track.

[ Parent | on HN ]
Re:ntfs2btrfs: In-place conversion of NTFS filesystem to Btrfs by cmurf on Monday March 07, 2022 @02:40PM (#30592389)
There are still edge cases but I can count on one hand the number of users who have run into it since Fedora switched to Btrfs by default (on desktops) two years ago (and Cloud edition in the most recent Fedora release late last year).

The upstream maintainer of btrfs-progs also maintains btrfs maintenance https://github.com/kdave/btrfsmaintenance which is a set of scripts for doing various tasks, one of which is a periodic filtered balance focusing on data block groups. I don't run it myself, because well (a) I haven't run into such a bug in years myself (b) I want to run into such a bug so I can report it and get it fixed. The maintenance script basically papers over any remaining issues, for those folks who are more interested in avoiding issues than bug reporting (a completely reasonable position).

There's been a metric ton of work on ENOSPC bugs over the years, but a large pile were set free with the ticketed ENOSPC system quite a few years ago now (circa 2015? 2016?)

[ Parent | on HN ]