On Thu, Dec 4, 2008 at 1:10 AM, Mick <[EMAIL PROTECTED]> wrote:
> Almost every time I split a large file >1G into say 200k chunks, then ftp it
> to a server and then:
>
>  cat 1 2 3 4 5 6 7 > completefile ; md5sum -c completefile
>
> if fails.  Checking the split files in turn I often find 1 or two chunks that
> fail on their own md5 checks.  Despite that the concatenated file often works
> (e.g. if it is a video file it'll play alright).
>
> Can you explain this?  Should I be using a different check to verify the
> integrity of the ftp'd file?

Obviously something is going wrong... without knowing why that, I
suggest you emerge par2cmdline and use it to create some recovery
blocks. That way you can repair/reassemble the pieces when they get to
the other side.

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