CONTROLLER, CONTROL SYSTEM, AND CONTROL PROGRAM

• US 20080282048A1
• Filed: 10/23/2007
• Published: 11/13/2008
• Est. Priority Date: 12/13/2006
• Status: Abandoned Application

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: MIURA, Hiroshi
• Application Number:
  US11/877,152
• Publication Number:
  US 20080282048A1
• Time in Patent Office: Days
• US Class Current: 711/162
• CPC Class Codes: G06F 11/1458 Management of the backup or restore process
• CPC Class Codes: G06F 11/1461 Backup scheduling policy
• CPC Class Codes: G06F 11/1464 for networked environments

Abstract

The controller of the present invention provides a transfer rate determiner determining a transfer rate of the backup data transmitted from a plurality of apparatuses through a communication link on the basis of the achievement of transfer rates in the past, a schedule adjuster generating a schedule by editing the transfer rates of the backup data determined with the transfer rate determiner, and a backup operation backing up the backup data in accordance with the generated schedule edited with the schedule adjuster.

Claims

1. A control apparatus connected to a plurality of apparatuses through a communication link and controlling execution of data backup from the apparatuses, comprising:

a controller

determining a transfer rate of backup data transmitted from the plurality of the apparatuses through the communication link based upon past achievement of data transfer rate,

generating a backup schedule by editing the transfer rate of the backup data determined with said transfer rate determining, and

backing up the backup data in accordance with the schedule edited and generated by the schedule adjusting.

2. The control apparatus according to claim 1, further comprising:

storing the backup schedule edited and generated with the schedule adjusting.

3. The control apparatus according to claim 1, wherein the transfer rate determining determines a transfer rate of the backup data from an average transfer rate of the backup data during a past constant period.

4. The control apparatus according to claim 1, wherein the transfer rate determining determines a transfer rate of the backup data from a transfer rate varying pattern of the backup data during a past constant period.

5. The control apparatus according to claim 1, wherein the transfer rate determining obtains a transfer rate of the backup data from history information of the backup data having completed the backing up.

6. The control apparatus according to claim 1, wherein the schedule adjusting domain-divides, in a constant time interval, the transfer rate of the backup data included in the schedule and edits the transfer rate based upon a transfer rate of the domain-divided backup data defined as one control unit.

7. The control apparatus according to claim 6, wherein the schedule adjusting edits the transfer rate to accommodate same transfer rate of the backup data within the schedule.

8. The control apparatus according to claim 7, wherein when the backup data domain-divided in the one control unit exists in a domain outside of range of the schedule, the schedule adjusting adjusts bandwidth of the backup data which is same in kind as the backup data domain-divided in the relevant one control unit in the domain outside of range of the schedule and is existing in the domain within the range of the schedule.

9. The control apparatus according to claim 8, wherein when any backup data, domain-divided in one control unit, exists outside of range of the schedule after adjustment of bandwidth of the backup data, the schedule adjusting adjusts the bandwidth of backup data existing within the range of the schedule and permitting adjustment of bandwidth.

10. The control apparatus according to claim 9, wherein the schedule adjusting deletes when an adequate backup data does not exist, a part of the backup data existing within the range of the schedule.

11. The control apparatus according to claim 1, comprising storing a log of an achieved transfer rate for the backing up of the back up data as the past achievement of data transfer rate.

12. The control apparatus according to claim 11, wherein the transfer rate determining determines, after the storing of the achieved transfer rate, a transfer rate of the backup data transmitted through the communication link from a plurality of the apparatuses based upon the past achievement of the data transfer rate of the backup data.

13. A control system, comprising:

a plurality of apparatuses, and

a controller in communication with the plurality of the apparatuses through a communication link and backing up data stored in the apparatuses

wherein the controller

determining a transfer rate of the data transmitted from the plurality of said apparatuses through the communication link based upon past achieved data transfer rate during past backing up of the data,

generating and adjusting a backup schedule based upon the determined data transfer rate of the data, and

backing up the data in accordance with information stored in the adjusted backup schedule.

14. The control system of claim 13, wherein the determining of the transfer rate of the data is based upon an average transfer rate of the data during a past constant backup period of time, a variation pattern of past transfer rates of the data during a past constant backup period of time, history information of the data, or any combinations thereof.

15. The control system according to claim 14, wherein the schedule adjusting comprises:

domain dividing, in a constant time interval, the transfer rate of the backup data included in the backup schedule, and

editing the transfer rate based upon a transfer rate of the domain-divided backup data defined as one control unit and/or editing the transfer rate to accommodate same transfer rate of the backup data within the schedule.

16. The control system according to claim 15, wherein when the backup data domain-divided in the one control unit exists in a domain outside of range of the schedule, the schedule adjusting adjusts bandwidth of the backup data which is same in kind as the backup data domain-divided in a relevant one control unit in the domain outside of range of the schedule and is existing in the domain within the range of the schedule, and/or when any backup data, domain-divided in one control unit, exists outside of range of the schedule after adjustment of bandwidth of the backup data, the schedule adjusting adjusts the bandwidth of backup data existing within the range of the schedule and permitting adjustment of bandwidth.

17. A computer readable medium storing a backup program controlling a computer, connected with a plurality of apparatuses through a communication link, according to operations comprising:

determining as a backup schedule a transfer rate of backup data transmitted from the plurality of the apparatuses through the communication link based upon past achievement of data transfer rate,

adjusting the backup schedule by editing the transfer rate of the backup data determined with said transfer rate determining, and

backing up the backup data in accordance with the edited backup schedule by the schedule adjusting.

18. The computer readable medium of claim 17, wherein the determining of the transfer rate of the backup data as the backup schedule is based upon an average transfer rate of the data during a past constant backup period of time, a variation pattern of past transfer rates of the data during a past constant backup period of time, history information of the data, or any combinations thereof.

19. A method of backing up data by a computer in communication with a plurality of apparatuses storing the data through a communication link, comprising:

determining a transfer rate as a backing up schedule of backup data transmitted from the plurality of said apparatuses through the communication link based upon past achieved data transfer rate during past backing up the data,

adjusting the determined data transfer rate of the backup data in the backing up schedule, and

backing up the backup data in accordance with information stored in the adjusted backing up schedule.

20. The method of claim 19, wherein the computer and/or the plurality of apparatuses determine the backing up schedule.

21. The method of claim 19, wherein the determination of the transfer rate as the backing up schedule is based upon an average transfer rate of the data during a past constant backup period of time, a variation pattern of past transfer rates of the data during a past constant backup period of time, history information of the data, or any combinations thereof.

22. The method according to claim 21, wherein the schedule adjusting comprises domain dividing, in a constant time interval, the transfer rate of the backup data included in the backup schedule and editing the transfer rate based upon a transfer rate of the domain-divided backup data defined as one control unit.

23. The method according to claim 22, wherein the schedule adjusting edits the transfer rate to accommodate same transfer rate of the backup data within the schedule.

24. The method of claim 23, wherein when the backup data domain-divided in the one control unit exists in a domain outside of range of the schedule, the schedule adjusting adjusts bandwidth of the backup data which is same in kind as the backup data domain-divided in a relevant one control unit in the domain outside of range of the schedule and is existing in the domain within the range of the schedule.

25. The method of claim 24, wherein when any backup data, domain-divided in one control unit, exists outside of range of the schedule after adjustment of bandwidth of the backup data, the schedule adjusting adjusts the bandwidth of backup data existing within the range of the schedule and permitting adjustment of bandwidth.