[CentOS] Any downside to mount -o noatime?

Fri Feb 11 02:15:43 UTC 2022
Chris Adams <linux at cmadams.net>

Once upon a time, Kenneth Porter <shiva at sewingwitch.com> said:
> According to the man page for mount, relatime updates atime whenever
> mtime or ctime are updated, or if neither has been updated in the
> last 24 hours. Which is still prohibitive if you're doing an
> incremental (rsync) backup and checking file contents on the "full"
> backup weekly or monthly.

Unless you never write to the disk, that will still be lost in the noise
of writes.  But if it still bothers you, use rsync --open-noatime.

Chris Adams <linux at cmadams.net>