--On Thursday, February 10, 2022 11:08 PM -0500 Jon LaBadie <jcu at labadie.us> wrote: > Are you reading that as "atime gets updated every 24 hrs"? If so you > are missing "if needed". I.e. if the file's data blocks have been read. > > Checking time-stamps and sizes are not operations that cause atime > updates. Those are inode operations, not data reads. That I got. I was concerned with the case where rsync does a checksum to verify that the file's contents didn't change without changing the timestamp.