1. An application management support system, comprising: a host computer for executing one or more application programs; and a management computer for managing a storage system, wherein the storage system includes a plurality of logical volumes and a CDP (Continuous Data Protection) function for restoring data at an RPO (Recovery Point Objective) time stored in a specified logical volume among the plurality of logical volumes, wherein the application programs are configured to issue a write request specifying a logical volume among the plurality of logical volumes, wherein the management computer comprising: a volume update manager for acquiring from the storage system, either regularly or irregularly, information as to which logical volume has been updated at what time, and for registering the acquired information in a second information; an update management information acquisition unit for referencing first information denoting which logical volume is allocated to which application program and the second information, and acquiring update management information, which is information denoting which logical volume has been updated at what time, and to which application program this logical volume is allocated; and an update management information sending unit for sending acquired update management information to the host computer having the application program denoted in this update management information, and wherein the host computer comprising: a receiver for receiving the update management information from the management computer; and a host controller which, based on received update management information, is configured to display which logical volume has been updated at what time, and which application program is allocated to this logical volume, where said which logical volume and said which application program are displayed corresponding to each other on a displayed time axis.