What Are Extents in Linux?
Contents Extents Are Contiguous Blocks on the Hard Disk That Are Used to Keep Files Close Together and Prevent Fragmentation. Fragments Occur When Parts of a...
Extents are contiguous blocks on the hard disk that are used to keep files close together and prevent fragmentation. Fragments occur when parts of a file are scattered across a hard disk and do not exist in contiguous blocks.
What are LVM extents?
LVM breaks up each physical volume into extents. A logical volume consists of a set of extents. Each extent is either wholly unused, or wholly in used by a particular logical volume: extents cannot be subdivided. Extents are the elementary blocks of LVM allocation.
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What is an extent in a file system?
In computing, an extent is a contiguous area of storage reserved for a file in a file system, represented as a range of block numbers, or tracks on count key data devices. A file can consist of zero or more extents; one file fragment requires one extent.
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