On Thu, Mar 4, 2021 at 9:50 AM Matthew Miller <mattdm(a)fedoraproject.org> wrote:
On Wed, Mar 03, 2021 at 05:40:19PM -0800, Samuel Sieb wrote:
> There are a few different types of full-disk backup, but if it's
> file-based and the atimes are modified, that's the intent of the
> backup process. The atimes are used to determine which files to
> backup. A scrub is not a backup and shouldn't modify the atimes.
I can't imagine why you would use atime instead of ctime for backups.
Also, this seems really easy to game. Why not maintain a checksum
record instead? That makes it possible to maintain more efficient
deltas. Using atimes/mtimes is just asking for trouble.
--
真実はいつも一つ!/ Always, there's only one truth!