[TriLUG] copying files

[Joseph Mack NA3T]

On Fri, 22 Jun 2012, Joseph Mack NA3T wrote:

> On Fri, 22 Jun 2012, Alan Porter wrote:
>
>> Maybe this example will clarify things:
>> 
>> ssh joe at trilug.org "md5sum cdimage.iso" <- not much data over the wire
>> md5sum mnt/sshfs/trilug/cdimage.iso <- several GB transferred over the wire
>
> got this and agree.
>
> In the case of rsync, I assume to do the file compare, something like this is 
> happening.
>
> get_filestamps_sizes_perms mnt/sshfs/trilug/cdimage.iso
>
> just doing an fstat() (or similar) on the other end?

following Alexy's comment, I see that several RTT's are 
involved. However I'm still not transferring cdimage.iso 
just the timestamps etc

Joe

-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
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