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How to defrag a USB-stick ?

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Hi mjvanderwerf,


ISD will not show USB-stick flash drives, but will show and defrag USB hard drives.


You can defrag your USB-stick by copying the data (files) from there to your hard disk, after verifying the data, cleaning and/or formatting the USB-stick, then copy the files back to USB-stick.


Here is the quote from Wikipedia.


It is worth noting that while defragmentation utilities can be run against a flash drive, there is no point in doing so. Defragmentation is a process intended to optimize access to data on a drive with spinning platters and moving heads.


However, since flash memory is truly random-access (a read to an adjacent cell is no faster than a read from any other cell), there is no performance gain.


Further, the flash controller abstracts the physical memory location used for a given "sector", so that the host machine doesn't really know the layout of the data.


Finally, as the defragmentation process moves data around, attempting to optimize it, a small portion of the flash memory's wear life is consumed.

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