Am Montag, 14. Januar 2019, 06:49:58 CET schrieb Duncan:
[...]
> Unless you have a known reason not to[1], running noatime with btrfs
> instead of the kernel-default relatime is strongly recommended,
> especially if you use btrfs snapshotting on the filesystem.
[...]

The one reason I decided to remove noatime from my systems' mount options is 
because I use systemd-tmpfiles to clean up cache directories, for which it is 
necessary to leave atime intact (since caches are often Write Once Read Many).

-- 
Marc Joliet
--
"People who think they know everything really annoy those of us who know we
don't" - Bjarne Stroustrup