Partition alignment is the proper alignment of

partitions Partition may refer to: Computing Hardware * Disk partitioning, the division of a hard disk drive * Memory partition, a subdivision of a computer's memory, usually for use by a single job Software * Partition (database), the division of a ...

to the boundaries available in a

data storage Data storage is the recording (storing) of information (data) in a storage medium. Handwriting, phonographic recording, magnetic tape, and optical discs are all examples of storage media. Biological molecules such as RNA and DNA are conside ...

device. Examples include the following: * 4 KB sector alignment with hard disk drives supporting Advanced Format (AF) *

Track partition alignment A master boot record (MBR) is a special type of boot sector at the very beginning of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond. The concept of MBR ...

, partitions starting on track boundaries on hard disk drives *

Cylinder partition alignment A master boot record (MBR) is a special type of boot sector at the very beginning of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond. The concept of MBR ...

, partitions starting on logical or physical cylinder boundaries on hard disk drives *

SSD page partition alignment A solid-state drive (SSD) is a solid-state storage device that uses integrated circuit assemblies to store data Persistence (computer science), persistently, typically using flash memory, and functioning as secondary storage in the Computer ...

, partitions starting on NVM page boundaries (with pages typically 4 to 16 KB in size) on SSDs and other flash-based memory devices *

SSD block partition alignment A solid-state drive (SSD) is a solid-state storage device that uses integrated circuit assemblies to store data persistently, typically using flash memory, and functioning as secondary storage in the hierarchy of computer storage. It is a ...

, partitions starting on NVM block boundaries (typically blocks of 128 to 512 pages) on SSDs and other flash-based memory devices * 1 MB partition alignment, partitions starting on 1 MB boundaries *

RAID stripe alignment Raid, RAID or Raids may refer to: Attack * Raid (military), a sudden attack behind the enemy's lines without the intention of holding ground * Corporate raid, a type of hostile takeover in business * Panty raid, a prankish raid by male college ...

, partition alignment based on stripe boundaries

See also