Patent ID: 9563555
Date: 2017-02-07
CPC Classifications: G06F,G11C

Claim:
1. An apparatus, comprising: a storage controller configured to manage a logical address space of a storage device, and to translate logical identifiers of the logical address space to data stored on the storage device, wherein the storage controller is configured to segment the logical address space into a plurality of different regions, the regions having different respective allocation granularities that determine a capacity of storage resource allocations within the respective regions, and wherein the storage controller is further configured to allocate storage resources within the regions of the logical address space in accordance with the respective allocation granularities of the regions, such that the storage controller allocates resource units of a first capacity responsive to allocation operations within a first region of the logical address space and allocates resource units of a second, different capacity responsive to allocation operations within a second region of the logical address space.