Re: Bug Report: very slow writing to Samsung P3

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On Sun, 5 Jul 2009, Alex Yu wrote:

> yes, but even with sync it should not be that slow. with other flash
> drives I get 2+MB/s.
> the main reason I started mounting it with sync was because of the
> slow writing: unmounting would take forever.

If you want to see where the time is going, use usbmon to monitor what 
happens during a test (see Documentation/usb/usbmon.txt for 
instructions).

You might also want to do the same thing with one of the other flash 
drives, for comparison.

Alan Stern

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