![]() ![]() For some time after creation, files can be laid out near-optimally. This means that the file system is able to place newly created files anywhere on the partition. When a file system is first initialized on a partition, it contains only a few small internal structures and is otherwise one contiguous block of empty space. It is recommended to not defragment solid-state storage, because this can prematurely wear drives via unnecessary write–erase operations. Solid-state drives do not physically seek, so their non-sequential data access is hundreds of times faster than moving drives', making fragmentation a non-issue. Fragmentation can be remedied by re-organizing files and free space back into contiguous areas, a process called defragmentation. File system fragmentation negatively impacts seek time in spinning storage media, which is known to hinder throughput. It is a special case of data fragmentation. In computing, file system fragmentation, sometimes called file system aging, is the tendency of a file system to lay out the contents of files non-continuously to allow in-place modification of their contents. ![]() Visualization of fragmentation and then of defragmentation ![]()
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