Problems while transferring big files

Shachar Shemesh shachar at
Sun Mar 8 12:48:43 GMT 2009

Wayne Davison wrote:
> We hypothesize that there can be an accidental match in the checksum
> data, which would cause the two sides to put different streams of data
> into their gzip compression algorithm, and eventually get out of sync
> and blow up.  If you have a repeatable case of a new file overwriting an
> existing file that always fails, and if you can share the files, make
> them available somehow (e.g. put them on a web server) and send the list
> (or me) an email on how to grab them, and we can run some tests.
> If the above is the cause of the error, running without -z should indeed
> avoid the issue.
If I understand the scenario you describe correctly, won't running 
without -z will merely cause actual undetected data corruption?


Shachar Shemesh
Lingnu Open Source Consulting Ltd.

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