OT: rsync on Mac OSX

Chris Maness chris at chrismaness.com
Tue Jul 2 22:11:51 UTC 2013

> Since you are going to wait anyway, why don't you try peeking at some of
> the file checksums while this is running?
> MacOS X comes with a shasum utility which implements SHA-256 checksums,
> so you should be able to look at a few random samples of these files,
> e.g. by running on the source disk:
>     shasum -a 256 source_directory/file/path/to/some/file.ext
>     shasum -a 256 copied_directory/file/path/to/some/file.ext
> If these are the same, then the applications look elsewhere, e.g. in the
> 'hidden' .DS_Store stuff some MacOS directories contain.
> But if the checksums are different, well, then there's your problem.
That could be the issue.  I did see some permission warnings with
.DS_Store.  However, to make space I had to dump all of it, so no files to
do a post mortem on.  I will have to check that out if things go awry this

Chris Maness

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