Patent ID: 8843439
Filing Date: 2014-09-23
Classification: G06F

Abstract:
1. A non-transitory, computer-readable medium storing therein a snapshot collection program that causes a computer to execute a process, wherein the computer is able to control a plurality of data storage apparatuses respectively storing therein a plurality of data, and a storing apparatus storing therein metadata that includes, for each of the data, attribute information and storage location information indicating in which data storage apparatus the respective data is stored, the process comprising: receiving a snapshot collection request for a given group of the data having specified attribute information; determining, with respect to each of the data storage apparatuses, whether any of data of the given group is stored therein based on the attribute information and the storage location information of the metadata when the collection request is received; generating, with respect to each of the data storage apparatuses that has been determined to be storing data of the given group, a snapshot of all of the plurality of data stored in the data storage apparatus and including the data of the given group and other data without performing quiesce operation on the other data, and generating a snapshot of the metadata; and setting access permission for only the data of the given group in the snapshot by deleting from the metadata, information indicating location of the other data.