![]() It is done totally through intelligent electronics (read: very fast). And this is not a mechanical arm moving a magnetic Read/Write head back and forth. It takes the exact same amount of time to gather up the whole file in the correct order. It does not matter if the pages are next to each other and in the correct order (not fragmented) or if the pages are scattered all over the place. ![]() It takes the same amount of time and effort to grab every page, regardless where it is located. You simply stand in front of the box and directly grab each page of the report in the right order. And remember, this is a mechanical arm (read: slow) moving back and forth, with friction generating heat and creating wear and tear too.įor a SSD, think of a mail sorting box. This takes a lot of time - especially if page 1 is in the front and page 2 is in the back then page 3 is somewhere near the middle, and so on. To retrieve all the pages in the right order, you have to stand in front of the file cabinet and rifle through the drawer sequentially, going back and forth, front to back many times (perhaps 100s!) across the entire drawer (platters) to each storage location, picking up the pages in the correct order. Click to expand.SSD's have no need for defragging because of the way they store data and seek the file segments - not because they are so quick.Ī hard drive is like a drawer in a file cabinet with the pages (file segments) of the report (file) you need scattered (fragmented) in no particular order from front to back.
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