No subject

>  strictatime
>      Allows to explicitly requesting full atime updates. This  makes  it
>      possible  for  kernel  to defaults to relatime or noatime but still
>      allow userspace to override it. For more details about the  default
>      system mount options see /proc/mounts.

I recently used this command when tracking down a problem with a somewhat
opaque an recalcitrant daemon.

mount  -o remount,strictatime,atime,norelatime  /

No need to reboot and reversible just as easilly.

Dave !