So I used dd to write a .img file to a floppy disk. The command completed instantly, and the floppy drive didn't turn on or make any noise. I'm sure that I specified the correct block device, so what happened?
asked Jun 12, 2017 at 17:17
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1 Answer
Because the .img file was only 1.44MB, it was written entirely into the RAM cache without any of it being actually written to the floppy.
After running the dd command, you'll want to run this command to ensure that the FS cache has been written to disk:
sync
After running the above command, the floppy drive came alive and wrote the cached data to the floppy.
answered Jun 12, 2017 at 17:17