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Formatting Hard Drive Myths part 5
April 21st, 2008
It is true that formatting will eliminate the bad sectors and will be replace with good sector on the spare section that part of every hard disk. But the performance will suffer because the heads will seek on the spare section in replacements of bad sectors. Bad sectors are signs of bad hard disk. Basically, it means that there something wrong with the hard disk. Bad sectors create debris on the platter and can cause to damage the hard drive.
Additionally, spare sectors are limited on any hard drive. Then once the hard disk runs out of spare sectors, formatting can not replace those bad sectors.