On Sat, Apr 25, 2026 at 05:32:40PM +0000, Public Netizen wrote: > In the man page for tunefs(8) under option "-m minfree" I read: [...] > Is this for both reads and writes? Is it even still the case? And does > someone understand why and what's going on? I have a hard time wrapping > my head around why a soft space reservation will affect storage speeds > to such a high degree.
See also option -o in tunefs(8). More or less, every filesystem shows peculiar behaviours when space is scarce: some, such as UFS and descendants, get just slow (actually, very slow) until space usage drops under the ceiling; others (CoW filesystems, I'm looking at you) crawl to death and are difficult to recover. -- f <talking about horrible policy statements> "It is an offense to the eye and a burden upon the spirit. That means it's a perfect job for Perl." -- Michael W. Lucas, Sudo Mastery 2nd Edition, Tilted Windmill Press 2019
