Partition alignment
Appearance
Partition alignment is the proper alignment of partitions to the boundaries available in a data storage device.
Examples include:
- 4 KB sector alignment with harddisks supporting Advanced format
- Track partition alignment, partitions starting on track boundaries on harddisks
- Cylinder partition alignment, partitions starting on logical or physical cylinder boundaries on harddisks
- SSD page partition alignment, partitions starting on NVM page boundaries (with pages typically 4 to 16 KB in size) on SSDs and other flash memory drives
- SSD block partition alignment, partitions starting on NVM block boundaries (typically blocks á 128 to 512 pages) on SSDs and other flash memory drives
- 1 MB partition alignment, partitions starting on 1 MB boundaries
- RAID stripe alignment, partition alignment based on stripe boundaries