Patent ID: 8504764
Filing Date: 2013-08-06
Classification: G06F

Abstract:
1. A method of managing object-based data in an information system which includes an application server and a storage system, the storage system having a plurality of storage devices, the method comprising: receiving a write command including a first data to be written into a virtual volume; identifying an object to which the first data corresponds; checking if a second data corresponding to the object has been stored in the virtual volume; if the second data has been stored in a page of the virtual volume, checking if the page which stores the second data has a vacancy area; and if the page has a vacancy area, writing the first data in the page which stores the second data; and wherein the object is one of a plurality of objects; wherein the virtual volume has a plurality of pages and each page corresponds to one of a plurality of tiers, the plurality of tiers corresponding to different types of storage media; and wherein the method further comprises maintaining relationships between objects and files, between files and virtual volumes, between virtual volumes and logical volumes, and between logical volumes and tiers.