A method and system for disk I/O (input output) command splitting in a computer system. The method includes tracking a head position of a disk drive. Upon receiving a request for data from the disk drive, a first split access is executed to read a first portion of the data and a second split access is executed to read a second portion of the data. The second split access is executed after a rotation of the disk drive. The first split access and the second split access are used to fulfill the request for data.