Storage management system and storage management method

A management computer coupled to a storage system and a host computer,

• wherein the storage system comprises a storage device and provides a virtual volume to the host computer;
• wherein the host computer runs a virtual machine, provides a logical drive which is a unit of backup by the virtual machine, provides an image file which comprises the logical drive, provides a data store which comprises the image file, and provides a host volume which configures the data store and is recognized as the virtual volume;
• the management computer stores:
• a copy function management information which includes an identifier (ID) of devices in the storage management system;
• and
• a configuration information which includes an ID of the virtual volume, the virtual machine, the logical drive, the data store, the image file and the host volume;
• and
• configures to determine a way of backup based on a relationship among the image file, the data store, the host volume and a target data of backup by referring to the copy function management information and the configuration information.

A method for determining a way of backup in a storage management system including a storage system, a host computer and a management computer,

• wherein the storage system comprises a storage device and provides a virtual volume to the host computer;
• wherein the host computer runs a virtual machine, provides a logical drive which is a unit of backup by the virtual machine, provides an image file which comprises the logical drive, provides a data store which comprises the image file, and provides a host volume which configures the data store and is recognized as the virtual volume;
• and
• wherein the management computer stores a copy function management information which includes an identifier (ID) of devices in the storage management system and a configuration information which includes an ID of the virtual volume, the virtual machine, the logical drive, the data store, the image file and the host volume;
• the method comprising a step of
• determining a way of backup based on a relationship among the image file, the data store, the host volume and a target data of backup by referring to the copy function management information and the configuration information.