Information processing apparatus, failure monitoring method and failure monitoring computer program

• US 7,212,954 B2
• Filed: 04/13/2005
• Issued: 05/01/2007
• Est. Priority Date: 01/28/2005
• Status: Expired due to Fees

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Amano, Kazuhiko
• Primary Examiner(s): WACHSMAN, HAL D
• Application Number:
  US11/104,606
• Publication Number:
  US 20060173655A1
• Time in Patent Office: 748 Days
• Field of Search: 702/185, 702 57- 62, 702/64, 702/65, 702/117, 702/118, 702/127, 702/182, 702/183, 702/186, 702/187, 702/189, 702/188, 702/193
• US Class Current: 702/185
• CPC Class Codes: G01R 31/31721 Power aspects, e.g. power supplies for test circuits, power saving during test for scan test G01R31/318575
• CPC Class Codes: G06F 11/24 Marginal checking or other specified testing methods not covered by G06F11/26, e.g. race tests

Abstract

An information processing apparatus including a plurality of modules that are provided for each information processing feature, a plurality of switches that are provided respectively for the modules so as to turn on and off the power supply to the respective modules connected to them, a power supply metering section that meters the power supply to the modules, a memory section that stores a normal range of power supply in advance and a control section that controls the switches so as to turn off the power supply to a specific module when the outcome of the metering by the power supply metering section is out of the normal range of power supply as stored in the memory section.

Claims

1. An information processing apparatus that monitors failures comprising:

a plurality of modules that are provided for an information processing feature;

a plurality of switches that are provided respectively for the plurality of modules so as to turn on and off a power supply to the respective modules;

a power supply metering section that meters the power supply to the plurality of modules;

a memory section that stores a normal range of power supply in advance; and

a control section that controls the plurality of switches so as to turn off the power supply to a specific module when the outcome of the metering by the power supply metering section is out of the normal range of power supply as stored in the memory section, wherein

the memory section stores a normal range of power supply for each of the plurality of modules in advance; and

the control section computes the normal range of power supply for the power supply metering section on the basis of the normal range of power supply for each of the plurality of modules and the configuration of the plurality of modules in the information processing apparatus,

while the memory section stores the normal range of power supply for the power supply metering section.

2. The information processing apparatus according to claim 1, wherein the control section recognizes the configuration of the plurality of modules in the information processing apparatus by communicating with the plurality of modules.

3. The information processing apparatus according to claim 1, wherein

the memory section stores a first normal range of power supply and a second normal range of power supply that is broader than the first normal range of power supply in advance as the normal range of power supply;

and

the control section turns off the power supply to all the plurality of modules when the metered power supply is out of the second normal range of power supply but identifies the an abnormal module and turns off the power supply to the abnormal module when the metered power supply is out of the first normal range of power supply.

4. The information processing apparatus according to claim 3, wherein,

when the power supply is out of the first normal range of power supply, the control section selects one of the plurality of modules operating under the power supply metering section for which the power supply is detected to be abnormal, turns off the power supply to the selected module and repeats the selection of one of the plurality of modules until the abnormal power supply is no longer detected on the basis of the outcome of the metering by the power supply metering section and the normal range of power supply stored in the memory section.

5. The information processing apparatus according to claim 1, wherein

the power supply metering section meters the electric current consumption of the plurality of modules;

and

the memory section stores the normal range of power supply as the electric current consumption.

6. The information processing apparatus according to claim 1, wherein

the memory section further stores a normal range of power supply for a change in the power supply to the power supply metering section and an outcome of past metering operations of the power supply metering section;

and

the control section controls the plurality of switches so as to turn off the power supply to a specific module when the change in the power supply as obtained from the outcome of the past metering operations of the power supply metering section is out of the normal range of power supply for changes in the power supply as stored in the memory section.

7. A failure monitoring method of monitoring failures of an information processing apparatus having a plurality of modules, the method comprising:

a storing step that stores a normal range of power supply to the plurality of modules in advance;

a power supply metering step that meters the power supply to the plurality of modules; and

a control step that turns off the power supply to a specific module when the power supply to the specific module is out of the normal range of power supply as stored in the storing step as a result of the metering in the power supply metering step, wherein

the storing step comprises storing a normal range of power supply for each of the plurality of modules in advance; and

the control step comprises computing the normal range of power supply for the power supply metering step on the basis of the normal range of power supply for each of the plurality of modules and the configuration of the plurality of modules in the information processing apparatus, while the storing step also comprises storing the normal range of power supply for the power supply metering step.

8. The failure monitoring method according to claim 7, wherein the control step comprises recognizing the configuration of the plurality of modules in the information processing apparatus by communicating with the plurality of modules.

9. The failure monitoring method according to claim 7, wherein

the storing step comprises storing a first normal range of power supply and a second normal range of power supply that is broader than the first normal range of power supply in advance as the normal range of power supply;

and

the control step comprises turning off the power supply to all of the plurality of modules when the metered power supply is out of the second normal range of power supply but identifying an abnormal module and turning off the power supply to the abnormal module when the metered power supply is out of the first normal range of power supply.

10. The failure monitoring method according to claim 9, wherein,

when the power supply is out of the first normal range of power supply, the control step comprises selecting one of the plurality of modules operating under the power supply metering step in which the power supply is detected to be abnormal, turning off the power supply to the selected module and repeating the selection of one of the plurality of modules until the abnormal power supply is no longer detected on the basis of the outcome of the metering in the power supply metering step and the normal range of power supply stored in the storing step.

11. The failure monitoring method according to claim 7, wherein

the power supply metering step comprises metering the electric current consumption of the plurality of modules;

and

the storing step comprises storing the normal range of power supply as electric current consumption.

12. The failure monitoring method according to claim 7, wherein

the power supply metering step is conducted for each of the plurality of modules or each group of modules formed by dividing the plurality of modules.

13. A failure monitoring method of monitoring failures of an information processing apparatus having a plurality of modules, the method comprising:

a storing step that stores a normal range of power supply to the plurality of modules in the information processing apparatus in advance;

a power supply metering step that meters the power supply to the plurality of modules; and

a control step that turns off the power supply to a specific module when the power supply to the specific module is out of the normal range of power supply as stored in the storing step as a result of the metering in the power supply metering step, wherein

the storing step further comprises storing a normal range of power supply for a change in the power supply in the power supply metering step and the outcome of the past metering operations of the power supply metering step; and

the control step comprises turning off the power supply to the specific module when the change in the power supply as obtained from the outcome of the past metering operations in the power supply metering step is out of the normal range of power supply for changes in the power supply as stored in the storing step.

14. A failure monitoring computer program embodied in a computer readable storage medium for causing a computer to execute a failure monitoring method of monitoring failures of an information processing apparatus having a plurality of modules, the method comprising:

a storing step that stores a normal range of power supply to the plurality of modules in the information processing apparatus in advance;

a power supply metering step that meters the power supply to the plurality of modules; and

a control step that turns off the power supply to a specific module when the power supply to the specific module is out of the normal range of power supply as stored in the storing step as a result of the metering in the power supply metering step, wherein

the storing step further comprises storing a normal range of power supply for a change in the power supply in the power supply metering step and the outcome of the past metering operations of the power supply metering step; and

the control step comprises turning off the power supply to a specific module when the change in the power supply as obtained from the outcome of the past metering operations in the power supply metering step is out of the normal range of power supply for changes in the power supply as stored in the storing step.