Backup without updating the access time

On 25.09.2015 13:57, hans van Leeuwen wrote:
> New question #271779 on Duplicity:
> https://answers.launchpad.net/duplicity/+question/271779
>
> By creating a backup the files are read and therefore the access time of the files are updated to the backup time.
> The disadvantage is that it is not possible any more to retrieve the date and time that the files are really read for the last time (beside the backup).
> Is it possible to create a backup without updating the access time to the backup time but to preserve to access time?
>

try remounting your filesystem with the 'noatime' mount option to another mount point and backup that instead.

..ede/duply.net

Remounting is only possible if the filesystem is not used.
It is not practical to stop all uses on the whole filesystem before the backup.

On 25.09.2015 16:22, hans van Leeuwen wrote:
> Question #271779 on Duplicity changed:
> https://answers.launchpad.net/duplicity/+question/271779
>
> hans van Leeuwen posted a new comment:
> Remounting is only possible if the filesystem is not used.
> It is not practical to stop all uses on the whole filesystem before the backup.
>

try bind mounting it. giving differing mount options can be tricky, but is possible. read here
 https://blog.iwakd.de/systemd-fstab-and-bind-mounts-with-options

..ede/duply.net