It is a portion of the Hard disk that cannot be used any more. If a part of the disk get bad sector which contains data then those data is to be recovered before use. When you format a disk, the OS will mark all the unusable sector as bad sector, however, this does not affect the overall performance of the disk as the damaged space is considered unusable.
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A Hard Drive can suffer from logical or physical damage. An instance of logical damage includes virus attack, operating system corruption, or file deletion. In cases of logical damage special disk imaging procedures are used. They help to recover readable data from the hard drive surface. Data loss which occurs due to these factors can be overcome using Hard Disk recovery software. Recover Data for Linux is best Linux data recovery software to recover deleted, lost or formatted data and files from Ext2 and Ext3 based Linux operating System. Linux recovery software restore Linux data, files and folder from crashed hard disk. A hard disk is venerable for mechanical damages and the data in the hard disk gets lost or corrupted. Hard drive is a primary storage device of a computer. It comprises of magnetic disks upon which the information and data is recorded. These magnetic tapes are segmented into partitions and blocks. Normally, when the computer crashes due to a mechanical failure then data loss occurs segment wise. Or if you delete some data then the new data that you save gets written over the deleted data. |
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