Patent ID: 7921093
Filing Date: 2011-04-05
Classification: G06F

Abstract:
1. An information processing apparatus comprising: a processor configured to create a virtual file system tree including a plurality of files and directories that are accessible by a target user and are belonging to a file system, copy the plurality of files and directories that are accessible by the target user to a backup server coupled to the information processing apparatus, and determine whether the target user is an owner of each of the plurality of files and directories that are copied to the backup server, wherein when the target user is not the owner of a file or directory among the plurality of files and directories that are copied to the backup server and the update time and/or version of the backup file or directory is older than that of the corresponding present file or directory, the processor creates a special directory under a home directory of the target user and restores the file or directory whose owner is not the target user into the special directory that is accessible by the target user while maintaining the tree structure of the original virtual tree; and wherein when the target user is the owner of the file or directory among the plurality of files and directories that are copied to the backup server, the processor restores the file or directory whose owner is the target user into the home directory.