2009/7/5 Alex Yu <xshadowfire@xxxxxxxxx>: > linux : dd if=/dev/zero of=/media/P3/test bs=1M count=10 conv=fdatasync > windows: usbdeview Please try other block size(such as 64K, 128K) and count size to do the write test again. In fact, writing 1MB per scsi command is not common. > > please use reply to all, thanks. > > On Sun, Jul 5, 2009 at 2:22 AM, Ming Lei<tom.leiming@xxxxxxxxx> wrote: >> 2009/7/5 Alex Yu <xshadowfire@xxxxxxxxx>: >>> resending as plaintext due to rejection from linux-usb@xxxxxxxxxxxxxxx >>> >>> On Sat, Jul 4, 2009 at 8:51 PM, Alex Yu <xshadowfire@xxxxxxxxx> wrote: >>>> >>>> I am getting very low write speeds to a Samsung P3 pmp - about 450KB/s. On windows, it is 4MB/s. I have tested this on 3 different machines and obtained similar results. >> >> How do you test the write speed on windows and linux? Would you mind >> posting the test step in detail? >> Thanks. >> >> -- >> Lei Ming >> > -- Lei Ming -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
