John Carter wrote, On 02/03/09 17:19:
On Mon, 2 Mar 2009, Craig Falconer wrote:time dd if=/dev/zero of=/file.dd bs=16k count=16k onto sda (4GB) that took 11.34 seconds (27.9 MB/sec) However onto sdb it took 55.93 seconds (4.8 MB/sec)
time dd if=/dev/zero of=/file.dd bs=8k count=64k sda 39.2 sec 13.7 MB/sec sdb 77.2 sec 6.9 MB/sec
Again you're probably testing the speed of ram, not flash.
Can you replicate my results? Using whatever tests you like. -- Craig Falconer