Patent ID: 8769241
Filing Date: 2014-07-01
Classification: G06F

Abstract:
1. A system, comprising: a solid state drive (SSD); a disk drive, wherein the SSD and the disk drive are virtualized as a single logical drive; and processor electronics to communicate with the drives and map logical block addresses in a logical address space of 0 to L, wherein L is greater than 0, wherein the processor electronics map logical block addresses of a first address range of the logical address space to the SSD and logical block addresses of a second, different address range of the logical address space to the disk drive, wherein the first address range includes addresses from 0 to K, wherein the second address range includes addresses from K+1 to L, wherein L is greater than K, and K is greater than 0, wherein the first address range is assigned to the SSD, wherein the second address range is assigned to the disk drive, and wherein the processor electronics are configured to perform operations comprising: