Wear leveling (also written wear levelling) is a technique for prolonging the service life of some kinds of erasable computer storage media, such as Flash memory used in solid-state drives (SSDs) and USB Flash drives. There are a few wear leveling mechanisms used in Flash memory systems, each with varying levels of longevity enhancement.
The term preemptive wear leveling (PWL) has been used by Western Digital to describe their preservation technique used on audio-video hard disks, but hard disk drives are not generally wear-leveled devices in the context of this article.
Read more about Wear Leveling: Rationale, Types, Techniques
Famous quotes containing the word wear:
“In all unmerciful actions, the worst of men pay this compliment at least to humanity, as to endeavour to wear as much of the appearance of it, as the case will well let them.”
—Laurence Sterne (1713–1768)