SHA question

Andy Wardley abw at
Sat Jan 16 07:18:28 GMT 2010

On 15/01/2010 20:23, Roger Burton West wrote:
> And to calculate the checksum on each block of the file, it has to, um,
> read each block of the file... yes?

Sorry, I missed this bit in Philip's message:

 > if both source and destination are on a local file system

I was thinking about remote comparisons.  In which case the remote rsync
daemon computes the checksum.  Yes, it has to read the entire file, but not
transmit it.


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