![]() ![]() A side-effect of wear-leveling is that a file's data blocks aren't always kept adjacent to one another but could be distributed and disjointed. To address this problem on solid-state drives, manufacturers use wear-leveling algorithms that evenly distribute data among SSD blocks, which means that data is constantly moved around on the drive so the blocks will be worn at an equal rate. ![]() This number is typically over 10,000, but it's still possible a user could hit that limit over the life of the storage device. Flash storage has an inherent limitation in that data may only be written to and erased from a given location a certain number of times. To securely erase data, hard disk drives fill the occupied space on the drive with a file consisting of zeroes or execute multiple writes of different characters for more, see Securely wipe disk drives. Standard methods of secure drive erasure do not work with solid-state drives (SSDs). ![]() Secure drive erasure is the process of erasing all or part of a storage device so that the data it contained is difficult or impossible to recover. Verify that the drive has been securely erased. ![]()
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