Difference between sector and clustor

□ Sector

○ It is physical storage unit. It is divided track on disk(512Byte)
○ It is at least physically addressable storage unit
○ Bad sector is a fault occured sector, it can't be stored data

□ Cluster

○ Logical storage unit. Collection of sectors
○ It is at least logically addressable storage unit
○ Number of Data input and output is reduced rather than the number of processing on a sector unit basis
○ If NTFS volume size is over 2GB, default cluster size is 4KB(=8 Sectors)