I Am Using UltimateDefrag And Even Though My Hard Drive Hasn Accessed a File For A Few minutes, My Computer Response Is Instant Next Time I Launch A Program. Why?
The answer to this lies in the answer to “Where Does My Hard Drive Head Rest After It Has Accessed A File?”. It’s a question you’ve probably never asked. The answer to this is that generally your hard drive read/write heads rest at the last place from where they read or wrote a file. As a result of UltimateDefrag’s file optimization, your hard drive heads pretty much come to rest on those outer tracks – usually at a distance confined to within 5% of the radius of your drive platters. So when you go to access a file after a file hasn’t been access for a while that initial seek is just 1 to 3 milliseconds compared with up to 20 milliseconds. Tiny numbers, yes, but the 1 to 3 milliseconds is far less than 20 milliseconds and therefore the instant response is preceived. Of course when your computer is turned off or hard drives turned off by Windows Power saving options, your heads are parked “off” the platters to protect your data.
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