Re: Unique files

[jerry <jerry@tr2.com>]

On 10/25/2014 12:21, Scott Robison wrote:
> Is there a means to determine what is "new" between two "full"
> archives? I do a full archive of an entire partition each day, and am
> a little surprised by how much new data exists. I would like to 
> "diff"

*** Do you have the "noatime" option on your filesystem?  Without that, 
the
filesystem will track, for each file, not only when it is modified, but
when it is *read*.  So every read anywhere produces a write.  This is
for Linux, I don't know if it holds for other OS's.

                 - Jerry Kaidor




> the two archives, and am hoping there is something built in that is
> relatively more efficient than a brute force approach. I can brute
> force it if need be, but would rather not. Thanks!
>
> --
>
> Scott Robison