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I/O errors on flash drives usually point to hardware failure in the flash drive device itself. This can happen when you overuse a flash drive, or if it is damaged some how (you sat on it and it became bent for instance, breaking internal components); this is known to happen also as a result of wear and tear on some drives over the lifetime of the flash ...


You seem to be using a USB 2.0 flash drive. In this form factor, it is not possible to obtain flash parameters by querying the device since USB bridges do not have support for sending query commands. More technical details: http://sg.danny.cz/sg/sdparm.html The flash bench tool can be used to guess device parameters by observing it's performance ...

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