Patent ID: 8909896
Filing Date: 2014-12-09
Classification: G06F

Abstract:
1. A method for controlling data for a storage system which is coupled via a network to one or more host computers, the method comprising: receiving, by the storage system, a write input/output (I/O) command of a data from a host computer, the write I/O command including an application ID identifying an application operating on the host computer which sends the write I/O command; maintaining a record of a relation between the application ID in the write I/O command and a storage location of the data to be written in a first volume of the storage system; determining, based on the application ID included in the write I/O command and the record, whether a data transfer function between the first volume and a second storage volume is to be performed on the data of the write I/O command in addition to writing the data to the storage location in the first volume; and if the data transfer function is to be performed on the data, then performing the data transfer function on the data to the second volume.