Patent ID: 8645654
Filing Date: 2014-02-04
Classification: G06F

Abstract:
1. A method for use in selecting physical storage in data storage systems, the method comprising: receiving, from a requesting entity, a request for allocation of a portion of storage area of a data storage system, the data storage system comprising a set of storage entities and a set of data buses for transferring data to and from the set of storage entities, wherein the set of storage entities are organized into a set of logical units, and wherein each logical unit of the set of logical units is subdivided into a set of slices; and in response to receiving the request for allocation, selecting a slice from a logical unit of the set of logical units for allocation for use by the requesting entity, wherein the selection is based on an optimum value indicating physical location of the logical unit within the set of storage entities during access to data to be stored in the data storage system, wherein the optimum value is an average value of identification numbers associated with logical units associated with a storage entity, wherein the optimum value indicates a physical location at the center of the storage entity.