Method for processing backup, backup processing device, and storage medium storing program

• US 20070214330A1
• Filed: 03/12/2007
• Published: 09/13/2007
• Est. Priority Date: 03/10/2006
• Status: Active Grant

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: Minami, Eiji, Wada, Harutoshi
• Granted Patent: US 7,698,520 B2
• Time in Patent Office: Days
• US Class Current: 711/162
• CPC Class Codes: G06F 11/1456 Hardware arrangements for backup
• CPC Class Codes: G06F 11/1458 Management of the backup or restore process

Abstract

A method for processing backup in the invention calculates a necessary capacity of a second storage medium when backing up in a plurality of divided sessions backup target data stored on a first storage medium, decides the number of dividing into the sessions based on the calculated necessary capacity and an available capacity of the second storage medium, and copies the backup target data from the first storage medium to the second storage medium, the backup target data being divided according to the number of dividing into the sessions.

Claims

1. A method for processing backup, comprising:

calculating a necessary capacity of a second storage medium when backing up in a plurality of divided sessions backup target data stored on a first storage medium;

deciding the number of dividing into the sessions based on the calculated necessary capacity and an available capacity of the second storage medium; and

copying the backup target data from the first storage medium to the second storage medium, the backup target data being divided according to the number of dividing into the sessions.

2. A method for processing backup according to claim 1, wherein:

the second storage medium is controlled by a battery-powered apparatus; and

remaining battery level of the battery-powered apparatus is monitored.

3. A method for processing backup according to claim 2, wherein:

when it is determined that the remaining battery level is sufficient to back up the backup target data onto the second storage medium, the number of dividing into the sessions is decided to be zero.

4. A method for processing backup according to claim 2, wherein:

when it is determined that the remaining battery level is not sufficient to successfully copy backup target data corresponding to one session, the backup target data corresponding to the one session is not copied.

5. A method for processing backup according to claim 4, wherein:

after backup target data corresponding to a certain session has been successfully copied, before copying of backup target data corresponding to another session is started, whether or not the remaining battery level is sufficient to successfully copy the backup target data corresponding to the other session is determined.

6. A method for processing backup according to claim 1, wherein:

information relating to a session of the backup target data that has been successfully copied is stored, and the information is updated every time the backup target data has been successfully copied on a session-by-session basis.

7. A method for processing backup according to claim 1, wherein:

before the backup target data is copied to the second storage medium, an attribute of the backup target data stored on the first storage medium is changed to Read-only; and

after the backup target data has been successfully copied to the second storage medium, the attribute of the backup target data stored on the first storage medium is changed to an attribute that is deletable on a session-by-session basis.

8. A method for processing backup according to claim 1, wherein:

the number of dividing into the sessions is decided for dividing the backup target data into the sessions using a sub-directory on a first level, which is located on a root directory, as a unit of dividing.

9. A method for processing backup according to claim 8, wherein:

the number of dividing into the sessions is decided for further dividing into the sessions using a sub-directory on or below a second level, which is below the sub-directory on the first level, as a unit of dividing.

10. A method for processing backup according to claim 8, wherein:

when a plurality of files is included in a same directory, the number of dividing into the sessions is decided for further dividing into the sessions according to a creation date of each of the files.

11. A method for processing backup according to claim 8, wherein:

when a plurality of image files taken by a digital camera are included in a same directory, the number of dividing into the sessions is decided for further dividing into the sessions according to accompanying information that relates to a picture-taking condition, which is included in each of the image files.

12. A method for processing backup according to claim 1, wherein:

the second storage medium is according to a CD-ROM file system.

13. A backup processing device for backing up backup target data stored on a first storage medium onto a second storage medium, comprising:

a dividing section that calculates a necessary capacity of the second storage medium when backing up the backup target data in a plurality of divided sessions, and that decides the number of dividing into the sessions based on the calculated necessary capacity and an available capacity of the second storage medium; and

a copying section that copies the backup target data from the first storage medium to the second storage medium, the backup target data being divided according to the number of dividing into the sessions.

14. A storage medium storing a program for operating a backup processing device, the program comprising:

a code for calculating a necessary capacity of a second storage medium when backing up in a plurality of divided sessions backup target data stored on a first storage medium;

a code for deciding the number of dividing into the sessions based on the calculated necessary capacity and an available capacity of the second storage medium; and

a code for copying the backup target data from the first storage medium to the second storage medium, the backup target data being divided according to the number of dividing into the sessions.