I'm looking to improve my current setup:

I have a samba server (debian), that share a folder located in an ext4 partition, mounted with relatime option.

I'm using the files access time for various reasons on my windows and linux clients, and it's working well.

Now I'm regularly making a backup of that folder (with rsync), but, as you have guessed, that reset all the access times to the current time.

I tried many solution, but I think I've exhausted everything I could find...

Any ideas on how I could read those files to backup them without updating the acces time ? The solution I'm using is mount -o remount,noatime /mnt/hdd before each backup, and the opposite once the backup is done.

Thanks by advance :)

  • Maybe to rely on atime is the sole problem.
    – ppuschmann
    Feb 10, 2021 at 7:26

1 Answer 1


Why go with complicated stuff when rsync already has a command line option for this?

From the man page:

       --atimes, -U             preserve access (use) times
  • Oh, I didn't think rsync could do that, I tested and it works, thanks, but the exact option was --noatime for my version of rsync
    – Lapis
    Feb 9, 2021 at 17:43

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