Patent ID: 6314503
Filing Date: 2001-11-06
Classification: G06F

Abstract:
A method of managing data storage in a computer system including a host computer and a storage system that is coupled to the host computer and stores data accessed by the host computer, the storage system defining a plurality of storage volumes including at least a first storage volume and a second storage volume, the storage system comprising a plurality of physical storage devices on which the plurality of storage volumes are stored, the plurality of physical storage devices including at least a first physical storage device and a second physical storage device, the method comprising steps of:(A) detecting, within the storage system, a performance condition wherein the performance of the computer system is impacted by a manner in which a subset of the data stored in the storage system is configured within the storage system; and(B) in response to the step (A), reconfiguring the subset of data within the storage system to alleviate the performance condition and improve the performance of the computer system, wherein the step of reconfiguring includes at least one of;moving at least some of the subset of data from the first storage volume to the second storage volume;moving at least some of the subset of data from a first position within the first storage volume to a second position within the first storage volume; andmoving at least some of the subset of data from the first physical storage device to the second physical storage device.