Stackpole, Chris schreef: > His exact question was "how do I measure the speed while I am doing cp > command?" > > I took the 'while' to mean 'as the cp command runs' aka progress during > the transfer. As for benchmarking, when rsync finishes it prints out > messages like: > > sent 17580260 bytes received 50 bytes 11720206.67 bytes/sec > total size is 17577963 speedup is 1.00 > > That is perfect information for benchmarking. It gives how much was > transferred and at what speed in bytes/second. > > ~S~ For benchmarking, I'd use hdparm -tT /dev/yourdevice. Gives you both cached and uncached performance. If you want to know how long you still have to be patient, use the suggested rsync -P
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