Patent ID: 6611923
Filing Date: 2003-08-26
Classification: G06F,Y10S

Abstract:
A method of performing backup with a mirror copy of data including one or more logical volumes managed by a logical volume manager stored on a mass storage subsystem, wherein the data is used by an application that executes on a host computer that is separate from the mass storage subsystem, the method comprising the steps of:providing a backup server separate and apart from the host computer; and in response to a host computer request to backup data that is used by the application, the backup server managing backup for a mirror copy of data that includes one or more logical volumes managed by a logical volume manager and which is stored on the mass storage system and which represents the requested data and the backup server moving the requested data from the mass storage system to the backup server for servicing the request to backup data to the backup unit without communicating with the host computer while managing backup for-the mirror copy, and thereby relieving the host computer from managing backup operations.