Thanks for the quick responses; I appreciate it. I gather that is exactly what the message is telling, but It is very odd as I'm positive I was not doing anything with the files and it showed the same message for each of the subjects and for each of the tailrace files on X,Y,Z. 
In any case, it is reassuring to know those files have no use once everything has been run.
Cheers

On Wed, Jul 12, 2017 at 4:20 PM, Bruce Fischl <fischl@nmr.mgh.harvard.edu> wrote:
hmmm, that doesn't sound like it has anything to do with us unless you
were running a recon when you were tarring. That file is mostly irrelevant
in any case

cheers
Bruce


On Wed, 12 Jul 2017, Schumman
Resonance wrote:

> Hi freesurfers,
> I'm compressing FS files for storage, and while runnig TAR I got this
> message for all the files in the directory I'm compressing:
>
> "tar: data/sbj001_post_anat.nii.gz/mri/transforms/talairach.m3z.inv.y.mgz:
> file changed as we read it"
>
> Any thoughts on whether this message is making any changes on those tailrace
> files so that when I decompress the file I do not get the original
> information in those files.
>
> Thanks for your help/advice,
>
> Kev
>
>
>
>
>
>
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