WO2022230116A1 - 電源供給制御装置、電源供給制御方法、及び電源供給制御プログラム - Google Patents
電源供給制御装置、電源供給制御方法、及び電源供給制御プログラム Download PDFInfo
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- WO2022230116A1 WO2022230116A1 PCT/JP2021/017001 JP2021017001W WO2022230116A1 WO 2022230116 A1 WO2022230116 A1 WO 2022230116A1 JP 2021017001 W JP2021017001 W JP 2021017001W WO 2022230116 A1 WO2022230116 A1 WO 2022230116A1
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- power supply
- power
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- 238000000034 method Methods 0.000 title claims description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 55
- 230000002159 abnormal effect Effects 0.000 claims description 36
- 230000000737 periodic effect Effects 0.000 claims 1
- 230000015654 memory Effects 0.000 description 34
- 238000004891 communication Methods 0.000 description 22
- 230000005856 abnormality Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000005401 electroluminescence Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Definitions
- the present invention relates to a power supply control device, a power supply control method, and a power supply control program.
- Non-Patent Document 1 in a redundant system having an active-standby (ACT-SBY) configuration, mutual monitoring between both devices so that both devices do not enter an active-active state due to a failure or the like is running.
- ACT-SBY active-standby
- the object of this invention is to ensure that the redundant system continues to operate normally even if mutual monitoring is interrupted and the device in the ACT state becomes abnormal.
- the power control apparatus of the present invention provides a first power supply and a second power supply that supply power to a first device and a second device that are mutually monitored by a mutual monitoring process in a redundant device system. and the power consumption patterns of the first power consumption of the first device and the second power consumption of the second device are normal. and the power control unit for switching the operation state of the device.
- the redundant system it is possible for the redundant system to operate normally even if mutual monitoring is interrupted and the device in the ACT state becomes abnormal.
- FIG. 1 is a schematic diagram showing an example of a redundant system including a redundant device system and a power supply control device.
- FIG. 2 is a block diagram showing an example of the hardware configuration of the 0-system device.
- FIG. 3 is a block diagram showing the functional configuration of the power supply control device.
- FIG. 4 is a flow chart showing an example of the power supply control operation of the power supply control device.
- FIG. 5 is a table showing power supply states in each state of the 0-system device and the 1-system device.
- FIG. 1 is a schematic diagram showing an example of a redundant system including a redundant device system 10 and a power supply control device 20. As shown in FIG. 1
- the redundant device system 10 includes a 0-system device 100 and a 1-system device 101 .
- the 0-system device 100 and the 1-system device 101 are devices having the same or similar processing capacity, and if one is in the ACT state, the other is in the SBY state.
- the 0-system device 100 and the 1-system device 101 monitor each other so that both devices do not enter the ACT state or the SBY state. A method of mutual monitoring will be described later.
- the 0-system device 100 and 1-system device 101 of the redundant device system 10 may be servers, for example. That is, the 0-system device 100 and the 1-system device 101 may provide services to other devices through the network. Also, the 0-system device 100 and the 1-system device 101 can shift from the SBY state to the ACT state according to the supplied power.
- the power supply control device 20 supplies power to the 0-system device 100 and 1-system device 101 of the redundant device system 10 .
- the power supply control device 20 includes a 0-system power supply 200 , a 1-system power supply 201 , a power monitoring unit 202 , and a power control unit 203 .
- the 0-system power supply 200 and 1-system power supply 201 can supply power to the 0-system device 100 and 1-system device 101, respectively.
- the 0-system power source 200 supplies power to the 0-system device 100
- the 1-system power source 201 supplies power to the 1-system device. 101 is powered.
- this example is merely an example, and it goes without saying that both the 0-system power supply 200 and the 1-system power supply 201 may supply power to the 0-system device 100 and the 1-system device 101 .
- the power monitoring unit 202 monitors the power supplied from the 0-system power supply 200 and 1-system power supply 201 to the 0-system devices 100 and 1-system devices 101, and detects the power consumption of the 0-system devices 100 and 1-system devices 101.
- the power monitoring unit 202 transmits power consumption information including information on the detected power consumption of the 0-system device 100 and the detected power consumption of the 1-system device 101 to the power control unit 203 .
- the power control unit 203 controls power supply from the 0-system power supply 200 and 1-system power supply 201 to the 0-system device 100 and 1-system device 101 .
- the power control unit 203 determines whether the power consumption pattern based on the power consumption included in the power consumption information is normal or abnormal. Determination as to whether the power consumption pattern is normal or abnormal will be described later.
- the power control unit 203 determines whether the 0-system device 100 is in the ACT state by comparing the power consumption of the 0-system device and the power consumption of the 1-system device. For example, when the power consumption of the 0-system device is greater, the power control unit 203 determines that the 0-system device 100 is in the ACT state.
- the power control unit 203 determines whether the operating state of the 0-system device 100 or 1-system device 101 in the ACT state is normal based on the power consumption. For example, when system 1 device 101 is in the ACT state, power control unit 203 determines whether the operating state of system 1 device 101 is normal based on whether the power consumption of system 1 device 101 is within a certain range. judge.
- the power control unit 203 controls whether the 0-system power supply 200 or 1-system device 101 in the ACT state is normal or abnormal. It controls power supply to the system 1 device 101 . A control method will be described later. 1, the power control unit 203 transmits control signals to the 0-system device 100 and the 1-system device 101, so that the 0-system device 100 and the 1-system device 101 change from the SBY state to the ACT state. may be controlled to transition to .
- FIG. 2 is a block diagram showing an example of the hardware configuration of the 0-system device 100.
- the 1-system device 101 constitutes a redundant system together with the 0-system device, and has the same or similar hardware as the 0-system device.
- the 0-series device 100 has a hardware processor 1001 such as a CPU (Central Processing Unit) or an MPU (Micro Processing Unit).
- a program memory 1002 , a data memory 1003 , a communication interface 1004 and an input/output interface 1005 are connected to the processor 1001 via a bus 1006 .
- "input/output interface” is described as "input/output IF”.
- the program memory 1002 includes storage media such as EPROM (Erasable Programmable Read Only Memory), HDD (Hard Disk Drive), SSD (Solid State Drive) and other non-volatile memories that can be written and read at any time, and ROM (Read Only Memory) can be used in combination with non-volatile memory.
- the program memory 1002 stores programs necessary for executing various processes. That is, each of the processing function units in the 0-system device 100 or 1-system device 101 can be realized by reading and executing a program stored in the program memory 1002 by the processor 1001 .
- the program stored in the program memory 1002 performs mutual monitoring with another system device (in this case, the first system device 101), and a mutual monitoring program for transitioning the ACT state/SBY state of the own device according to the state of the other system device. include.
- the data memory 1003 is storage that uses, as a storage medium, a combination of a non-volatile memory that can be written and read at any time, such as an HDD or memory card, and a volatile memory such as a RAM (Random Access Memory).
- the data memory 1003 is used to store data acquired and generated while the processor 1001 executes programs and performs various processes.
- the communication interface 1004 includes one or more wired or wireless communication modules.
- communication interface 1004 includes a communication module for wired or wireless connection with other devices.
- the communication interface 1004 may include a wireless communication module that wirelessly connects with Wi-Fi access points, base stations, and the like.
- communication interface 1004 may include a wireless communication module for wirelessly connecting to other devices using short-range wireless technology. That is, the communication interface 1004 may be a general communication interface as long as it can communicate with other devices under the control of the processor 1001 and transmit and receive various kinds of information.
- An input unit 1007 and a display unit 1008 are connected to the input/output interface 1005 .
- the input unit 1007 is, for example, an input detection sheet that employs an electrostatic method or a pressure method and is arranged on the display screen of a display device that is the display unit 1008.
- the administrator's touch position is output to the processor 1001 .
- the display unit 1008 is a display device using, for example, liquid crystal, organic EL (Electro Luminescence), etc., and displays images and messages according to signals input from the input/output interface 1005 .
- FIG. 3 is a block diagram showing the functional configuration of the power supply control device 20. As shown in FIG.
- the power supply control device 20 has a hardware processor 2001 such as a CPU and MPU.
- a program memory 2002 a data memory 2003 , a communication interface 2004 , an input/output interface 2005 , a 0-system power supply 200 and a 1-system power supply 201 are connected to the processor 2001 via a bus 2006 .
- the "input/output interface” is written as "input/output IF”.
- the program memory 2002 can use, as a storage medium, a combination of a non-volatile memory such as an EPROM, HDD, SSD, etc., which can be written and read at any time, and a non-volatile memory such as a ROM.
- the program memory 2002 stores programs necessary for executing various processes. That is, all of the processing function units in the power supply control device 20 can be realized by reading and executing the programs stored in the program memory 2002 by the processor 2001 .
- Programs stored in the program memory 2002 include a power supply control program according to one embodiment.
- the data memory 2003 is a storage that uses, as a storage medium, a combination of a non-volatile memory that can be written and read at any time, such as an HDD or memory card, and a volatile memory such as a RAM.
- the data memory 2003 is used to store data acquired and generated while the processor 2001 executes the program and performs various processes.
- the communication interface 2004 includes one or more wired or wireless communication modules.
- communication interface 2004 includes a communication module for wired or wireless connection with other devices. That is, the communication interface 2004 may be a general communication interface as long as it can communicate with other devices and transmit and receive various information under the control of the processor 2001 .
- the processor 2001 can transmit control signals to the 0-system device 100 and the 1-system device 101 via the communication interface 2004 .
- An input unit 2007 and a display unit 2008 are connected to the input/output interface 2005 .
- the input unit 2007 is, for example, an input detection sheet that employs an electrostatic method or a pressure method and is arranged on the display screen of a display device that is the display unit 2008. Through the input/output interface 2005, the power supply control device 20 administrator's touch position is output to the processor 2001 .
- the display unit 2008 is a display device using, for example, liquid crystal, organic EL, etc., and displays images and messages according to signals input from the input/output interface 2005 .
- the 0-system power supply 200 and 1-system power supply 201 can supply power to the 0-system device 100 and 1-system device 101, respectively, as described with reference to FIG.
- the 0-system power supply 200 and 1-system power supply 201 are power supplies that supply power to the 0-system device 100 and 1-system device 101, and may be configured as separate power supply devices, or may be configured as a single power supply device. It may be composed of the power supply device and a switch for power supply/cutoff arranged in the power supply path to the 0-system device 100 and the 1-system device 101 .
- a processor 2001 that executes a power supply control program controls whether power is supplied from the 0-system power supply 200 and 1-system power supply 201 to the 0-system device 100 and 1-system device 101 via a bus 2006 . Furthermore, the processor 2001 acquires information on the amount of power supplied by the 0-system power supply 200 and 1-system power supply 201 to the 0-system device 100 and 1-system device 101 via the bus 2006, and , the power consumption of the 0-system device 100 and the 1-system device 101 can be detected.
- FIG. 4 is a flowchart showing an example of the power supply control operation of the power supply control device 20.
- the processors 1001 of the 0-system devices 100 and 1-system devices 101 read and execute the programs stored in the program memories 1002, respectively, and the processors 2001 of the power supply control device 20 execute the power supply control programs stored in the program memory 2002.
- the operation of this flow chart is realized by reading and executing.
- this flowchart shows operations that are repeated at a constant cycle while the 0-system device 100 and the 1-system device 101 are operating.
- the 0-system device 100 may operate by being supplied with power from the 0-system power supply 200, or by being supplied with power by both the 0-system power supply 200 and the 1-system power supply 201. Also good.
- the 1-system device 101 may operate by being supplied with power from the 1-system power supply 201 or may be operated by being supplied with power from both the 0-system power supply 200 and the 1-system power supply 201 . good.
- the power supply monitoring unit 202 detects the power consumption of the 0-system device 100 and the 1-system device 101 (step ST101).
- the power monitoring unit 202 detects the amount of power supplied from the 0-system power supply 200 and 1-system power supply 201 to the 0-system device 100 and 1-system device 101, respectively. Then, the power monitoring unit 202 detects the power consumption of the 0-system device 100 and the 1-system device 101 from the detected power amount.
- the power monitoring unit 202 can detect the power consumption of the 0-system device 100 and the power consumption of the 1-system device 101 separately.
- the power monitoring unit 202 detects the power supplied by the 0-system power supply 200. , the power consumption of the 0-system device 100 is detected, and the power consumption of the 1-system device 101 is detected from the power supplied by the 1-system power supply 201 . Further, when the 0-system power supply 200 and the 1-system power supply 201 supply power to both the 0-system device 100 and the 1-system device 101 respectively, the power monitoring unit 202 The power consumption of the 0-system device 100 is detected from the sum of the power supplied to the system device 100 .
- the power monitoring unit 202 detects the power consumption of the 1-system device 101 from the sum of the power supplied to the 1-system device 101 by the 0-system power source 200 and the 1-system power source 201 .
- the power monitoring unit 202 also transmits power consumption information including the detected power consumption to the power control unit 203 .
- the power control unit 203 determines whether the power consumption pattern of power consumption caused by the mutual monitoring process is normal (step ST102). Specifically, for example, the power control unit 203 determines whether the mutual monitoring process in the redundant device system 10 is normal based on the power consumption in the power consumption information received from the power monitoring unit 202 .
- a normal mutual monitoring process for example, encrypts and transmits information such as the operating state and various statuses of the device on the sending side, and decrypts it in the device on the receiving side to detect the state of the device on the sending side. This mutual monitoring process is performed, for example, in synchronization with the heartbeat cycle.
- the power control unit 203 determines whether the power consumption pattern is normal based on the power consumption included in the power consumption information.
- the power supply control unit 203 supplies power to the 0-system devices 100 and 1-system devices 101 using the 0-system power sources 200 and 1-system power sources 201 . is supplied (step ST103). Specifically, for example, when it is determined that the power consumption changes in a constant cycle according to the mutual monitoring process, that is, the power consumption pattern is normal, the power supply control unit 203 controls the 0-system device 100 and the 1-system device 100. The 0-system power supply 200 and the 1-system power supply 201 are controlled so as to supply power to both of 101 .
- the mutual monitoring process when the mutual monitoring process is operating normally, power is supplied from the 0-system power supply 200 and 1-system power supply 201, and the 0-system device 100 and 1-system device 101 operate in the ACT state or SBY state.
- the 0-system device 100 operates in the ACT state
- the 1-system device 101 operates in the SBY state.
- the mutual monitoring process detects an abnormal state of the 0-system device 100 operating in the ACT state in the 1-system device 101 in the SBY state
- the 1-system device 101 transitions to the ACT state and It can take over the operation that 100 was doing.
- the power supply control unit 203 determines whether the 0 system is in the ACT state (step ST104). Specifically, for example, the power control unit 203 compares the power consumption of the 0-system device 100 and the power consumption of the 1-system device 101 included in the power consumption information, and determines that the device with the higher power consumption is in the ACT state. do. Since a device in the ACT state consumes a large amount of power, the power control unit 203 determines that a device with a large power consumption is in the ACT state.
- the power supply control section 203 determines whether the operating state of the 1-system device 101 is normal (step ST105). If the 1-system device 101 in the ACT state is operating normally, the power consumption of the 1-system device 101 does not change significantly. Therefore, the power consumption per unit time of the system 1 device 101 is within a predetermined range. On the other hand, the 1-system device 101 is in an abnormal state, for example, power consumption increases due to infinite loop processing, or power consumption decreases because a certain processing operation stops, for example. can be considered. In this case, the power consumption of the 1-system device 101 increases or decreases, so the power consumption deviates from the predetermined range.
- the power control unit 203 determines that the 1-system device is operating normally. On the other hand, if the power consumption of the 1-system device 101 is outside the predetermined range, the power control unit 203 determines that the 1-system device 101 is in an abnormal state.
- the power control unit 203 cuts off the power supply to the 0-system device 100 and supplies power only to the 1-system device 101 (step ST106). Since the mutual monitoring process is abnormal, for example, even if an abnormality occurs in the 1-system device 101, the 0-system device 100 in the SBY state cannot be switched to the ACT state by the mutual monitoring process. Therefore, the power control unit 203 uses the 0-system power supply 200 and the 1-system power supply 201 to stop the power supply to the 0-system device 100 in the SBY state and to reduce the power consumption. 101 is controlled to operate.
- the power supply control unit 203 cuts off the power supply from the 0-system power supply 200 , that is, stops the 0-system power supply 200 and continues the power supply from the 1-system power supply 201 .
- the power control unit 203 receives power from the 0-system power source 200 to the 0-system devices 100 and 1 It cuts off the power supply to the system device 101 and controls to continue the power supply from the 1-system power source 201 to the 0-system device 100 and the 1-system device 101 .
- the power control unit 203 further transmits a control signal including a shutdown instruction to the 0-system device 100, as indicated by the dashed arrow in FIG.
- the power supply control unit 203 cuts off the power supply from the 0-system power supply 200 and the 1-system power supply 201 to the 0-system device 100, and stops the power supply from the 0-system power supply 200 and the 1-system power supply 201 to the 1-system device 101. to continue. By cutting off the power supply (and transmitting the control signal), the 0-system device 100 in the SBY state shuts down.
- the power control section 203 supplies power only to the 0-system device 100 and cuts off the power supply to the 1-system device 101 (step ST107). Specifically, for example, when power is supplied to the 0-system device 100 from the 0-system power supply 200 and power is supplied to the 1-system device 101 from the 1-system power supply 201, the power control unit 203 causes the 0-system power supply 200 to , and cuts off the power supply from the 1-system power supply 201 .
- the power control unit 203 receives power from the 1-system power source 201 to the 0-system devices 100 and 1 Power supply to the system device 101 is started, and power supply from the 0-system power supply 200 to the 0-system device 100 and the 1-system device 101 is cut off.
- the 1-system device 101 since the 1-system device 101 is in an abnormal state, there is a possibility that the 1-system device 101 will not accept the control signal even if the power control unit 203 transmits a control signal including a shutdown instruction to the 1-system device 101. be.
- the 0-system device 100 and the 1-system device 101 are supplied with power from the 0-system power supply 200 and the 1-system power supply 201, respectively, and have a configuration for interrupting power supply in the middle of each power supply path. If so, the power control unit 203 cuts off the power supply from the 0-system power supply 200 and 1-system power supply 201 to the 1-system device 101, and cuts off the power supply from the 0-system power supply 200 and 1-system power supply 201 to the 0-system device 100.
- the 1-system device 101 in which an abnormality such as a failure has occurred is shut down, and the 0-system device 100 which has been in the shutdown state is activated in the SBY state.
- the 0-series device 100 which is a server, is set to start up when power is supplied from a shutdown state by BIOS (Basic Input/Output System) or UEFI (Unified Extensible Firmware Interface) settings.
- the processor 1001 of the 0-system device 100 switches the 0-system device 100 from the SBY state to the ACT state (step ST108).
- the power control unit 203 transmits a control signal including an instruction to transition from the SBY state to the ACT state to the 0-series device 100, as indicated by the dashed arrow in FIG.
- the processor 1001 of the 0-series device 100 transitions from the SBY state to the ACT state based on the control signal. If the 0-system device 100 and the 1-system device 101 are configured to receive power from the 0-system power source 200 and the 1-system power source 201, respectively, the power supply from the 1-system power source 201 is cut off in step ST107.
- the processor 1001 of the 0-system device 100 Upon detecting that power is being supplied only from the system power supply 200, the processor 1001 of the 0-system device 100 switches the 0-system device 100 from the SBY state to the ACT state. In this way, the processor 1001 of the 0-system device 100 stops the power supply from the 1-system power supply 201 and receives the power supply only from the 0-system power supply 200, thereby mutually notifying that the 1-system device 101 is in an abnormal state. It can be sensed without depending on the monitoring process, and based on the sensing, the 0-series device 100 is switched from the SBY state to the ACT state.
- the power control unit 203 monitors the power consumption of the 0-system power supply 200 and/or the 1-system power supply 201 that supplies power to the 1-system device 101, and detects that the 1-system device 101 in the ACT state is abnormal. Immediately after entering the state, the power supply to the 1-system device 101 is cut off, the power supply to the 0-system device 100 in the cut-off state is started, and the 0-system device 100 can be switched to the ACT state.
- step ST109 the power supply control section 203 determines whether or not the 0-system device 100 is operating normally (step ST109). If the 0-system device 100 in the ACT state is operating normally, the power consumption of the 0-system device 100 falls within a predetermined range. On the other hand, if the 0-system device 100 is in an abnormal state, the power consumption of the 0-system device 100 increases or decreases, so the power consumption deviates from the predetermined range. Therefore, when the power consumption of the 0-series device 100 in the ACT state is within a predetermined range, the power control unit 203 determines that the 0-series device 100 is operating normally. On the other hand, if the power consumption of the 0-system device 100 is outside the predetermined range, the power control unit 203 determines that the 0-system device 100 is in an abnormal state.
- the power control unit 203 cuts off the power supply to the 1-system device 101 and supplies power only to the 0-system device 100 (step ST110). Since the mutual monitoring process is abnormal, for example, even if an abnormality occurs in the 0-system device 100, the 1-system device 101 in the SBY state cannot be switched to the ACT state by the mutual monitoring process. Therefore, the power control unit 203 uses the 0-system power supply 200 and the 1-system power supply 201 to stop the power supply to the 1-system device 101 in the SBY state and to reduce the power consumption. 100 only to operate.
- the power supply control unit 203 cuts off the power supply from the 1-system power supply 201 and continues the power supply from the 0-system power supply 200 .
- the power control unit 203 controls the 0-system power source 200 and the 1-system power source 201 to 1 It cuts off the power supply to the system device 101 and controls to continue the power supply from the 0-system power supply 200 and the 1-system power supply 201 to the 0-system device 100 .
- the power control unit 203 further transmits a control signal including a shutdown instruction to the 1-system device 101, as indicated by the dashed arrow in FIG.
- the power control unit 203 cuts off the power supply from the 0-system power supply 200 and the 1-system power supply 201 to the 1-system device 101 and stops the power supply from the 0-system power supply 200 and the 1-system power supply 201 to the 0-system device 100. to continue. Due to such interruption of the power supply, the 1-system device 101 in the SBY state is shut down.
- the power control unit 203 supplies power only to the 1-system device 101 and cuts off the power supply to the 0-system device 100 (step ST111). Specifically, for example, when the 0-system device 100 is supplied with power from the 0-system power source 200 and the 1-system device 101 is supplied with power from the 1-system power source 201, the power control unit 203 controls the 1-system power source 201 , and cuts off the power supply from the 0-system power supply 200 .
- the power control unit 203 receives power from the 0-system power source 200 to the 0-system devices 100 and 1 Power supply to the system device 101 is started, and power supply from the 0-system power supply 200 to the 0-system device 100 and the 1-system device 101 is cut off.
- the 0-system device 100 since the 0-system device 100 is in an abnormal state, there is a possibility that the 0-system device 100 will not accept the control signal even if the power control unit 203 transmits a control signal including a shutdown instruction to the 0-system device 100. be.
- the 0-system device 100 and the 1-system device 101 are supplied with power from the 0-system power supply 200 and the 1-system power supply 201, respectively, and have a configuration for interrupting power supply in the middle of each power supply path. If so, the power control unit 203 cuts off the power supply from the 0-system power supply 200 and 1-system power supply 201 to the 0-system device 100, and cuts off the power supply from the 0-system power supply 200 and 1-system power supply 201 to the 1-system device 101.
- the 0-system device 100 in which an abnormality such as a failure has occurred is shut down, and the 1-system device 101 which was in the shutdown state is activated in the SBY state.
- the system 1 device 101 which is a server, is set to start up when power is supplied from the shutdown state by BIOS or UEFI settings.
- the processor 1001 of the 1-system device 101 switches the 1-system device 101 from the SBY state to the ACT state (step ST112).
- the power control unit 203 transmits a control signal including an instruction to transition from the SBY state to the ACT state to the 1-system device 101, as indicated by the dashed arrow in FIG.
- Processor 1001 of system 1 device 101 transitions from the SBY state to the ACT state based on the control signal. If the 0-system device 100 and the 1-system device 101 are configured to receive power from the 0-system power source 200 and the 1-system power source 201, respectively, the power supply from the 0-system power source 200 is cut off in step ST111.
- the processor 1001 of the 1-system device When detecting that only the system power supply 201 is receiving power supply, the processor 1001 of the 1-system device switches the 1-system device 101 from the SBY state to the ACT state. In this way, the processor 1001 of the 1-system device 101 stops receiving power from the 0-system power supply 200 and receives power only from the 1-system power supply 201, thereby mutually monitoring whether the 0-system device 100 is in an abnormal state. It can be sensed process-independently, and switches the 1-system device 101 from the SBY state to the ACT state based on the sensed.
- the power control unit 203 monitors the power consumption of the 0-system power supply 200 and/or the 1-system power supply 201 that supplies power to the 0-system device 100, and detects that the 0-system device 100 in the ACT state is abnormal. Immediately after entering the state, power supply to the 0-system device 100 is cut off, power supply to the 1-system device 101 in the cut-off state is started, and the 1-system device 101 can be switched to the ACT state.
- FIG. 5 is a table showing power supply states in each state of the 0-system device 100 and the 1-system device 101.
- FIG. 5 shows whether the operation of the 0-system device 100 and the 1-system device 101 is ACT or SBY, whether mutual monitoring is normal or abnormal, and whether the operation state is normal or abnormal. indicates how power is supplied.
- the operation of the 0-system device 100 is in the ACT state, the mutual monitoring process is normal, and the operation status is abnormal, and the operation of the 1-system device 101 is SBY, the mutual monitoring process is normal, and the operation state is abnormal. If the status is normal, both the 0-system device 100 and the 1-system device 101 are supplied with power. This is due to the normal mutual monitoring process, referring to the flow chart of FIG.
- the operation of the 0-system device 100 is ACT
- the mutual monitoring process is abnormal
- the operating state is abnormal
- the operation of the 1-system device 101 is SBY
- the mutual monitoring process is abnormal
- the power supply to the 0-system device 100 is cut off and only the power to the 1-system device 101 is supplied.
- both the 0-system device 100 and the 1-system device 101 are never in the ACT state or in the SBY state. Furthermore, there is no case where the mutual monitoring process is different between the 0-system device 100 and the 1-system device 101 .
- the power consumption is reduced by cutting off the power supply to the 0-system device 100 or the 1-system device 101 in the SBY state. can be reduced. Then, as soon as the device in the ACT state becomes an abnormal state, power supply to the device in the cutoff state can be started to switch the device to the ACT state.
- this invention is not limited to the said embodiment.
- the present invention can also be applied to the redundant device system 10 with three or more devices.
- the power monitoring unit 202 detects the power consumption of the 0-system device 100 and the 1-system device 101 based on the power supplied from the 0-system power source 200 and the 1-system power source 201 to the 0-system device 100 and the 1-system device 101. I have to. If the 0-system device 100 and 1-system device 101 have means for measuring their own power consumption, the power monitoring unit 202 can be omitted by inputting the measurement result to the power control unit 203. .
- the detection of abnormalities in the mutual monitoring process in the redundant device system 10 and the detection of abnormalities in the 0-system devices 100 and 1-system devices 101 are performed by a different method that is not based on the power consumption of the 0-system devices 100 and 1-system devices 101. I don't mind if you go.
- step ST106 or step ST110 in addition to controlling the 0-system power supply 200 and 1-system power supply 201, a warning of the occurrence of an abnormality in the mutual monitoring process may be issued.
- step ST107 or ST111 in addition to controlling the 0-system power supply 200 and 1-system power supply 201, a warning of the occurrence of an abnormal operation in the 0-system device 100 or 1-system device 101 may be issued.
- steps ST108 and ST112 can be performed. The operation may be omitted.
- the method described in the above embodiment can be executed by a computer (computer) as a program (software means), such as a magnetic disk (floppy (registered trademark) disk, hard disk, etc.), an optical disk (CD-ROM, DVD , MO, etc.), semiconductor memory (ROM, RAM, flash memory, etc.), etc., or can be transmitted and distributed via a communication medium.
- the programs stored on the medium also include a setting program for configuring software means (including not only execution programs but also tables and data structures) to be executed by the computer.
- a computer that realizes this apparatus reads a program stored in a storage medium, and in some cases, constructs software means by a setting program, and executes the above-described processes by controlling the operation of the software means.
- the storage medium referred to in this specification includes storage media such as magnetic disks, semiconductor memories, etc. provided in computers or devices connected via a network, without being limited to those for distribution.
- the present invention is not limited to the above embodiments, and can be modified in various ways without departing from the gist of the invention at the implementation stage.
- each embodiment may be implemented in combination as much as possible, and in that case, the combined effect can be obtained.
- the above-described embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent elements.
Abstract
Description
[構成]
図1は、冗長装置システム10と、電源供給制御装置20と、含む冗長システムの一例を示す模式図である。
0系装置100は、CPU(Central Processing Unit)やMPU(Micro Processing Unit)等のハードウェアプロセッサ1001を有する。そして、このプロセッサ1001に対し、プログラムメモリ1002、データメモリ1003、通信インタフェース1004及び入出力インタフェース1005が、バス1006を介して接続されている。なお、図2では、「入出力インタフェース」を「入出力IF」と記載している。
図4は、電源供給制御装置20の電源制御動作の一例を示すフローチャートである。0系装置100及び1系装置101のプロセッサ1001がそれぞれプログラムメモリ1002に格納されたプログラムを読み出して実行すると共に、電源供給制御装置20のプロセッサ2001がプログラムメモリ2002に格納された電源供給制御プログラムを読み出して実行することにより、このフローチャートの動作が実現される。
相互監視プロセスが故障によって動作しなくなり、且つACT状態である装置が異常状態になったとしても冗長システムは、SBY状態にある装置をACT状態に切り替えて動作を継続することができる。
なお、この発明は上記実施形態に限定されるものではない。例えば、2つの装置による冗長装置システム10についての例を示したが、3つ以上の装置による冗長装置システム10であっても本発明を適用することが可能である。
100…0系装置
101…1系装置
1001…プロセッサ
1002…プログラムメモリ
1003…データメモリ
1004…通信インタフェース
1005…入出力インタフェース
1006…バス
1007…入力部
1008…表示部
20…電源供給制御装置
200…0系電源
201…1系電源
202…電源監視部
203…電源制御部
2001…プロセッサ
2002…プログラムメモリ
2003…データメモリ
2004…通信インタフェース
2005…入出力インタフェース
2006…バス
2007…入力部
2008…表示部
Claims (8)
- 冗長装置システムにおいて、相互監視プロセスにより相互監視される第1の装置及び第2の装置に電力を供給する第1の電源及び第2の電源と、
前記第1の装置の第1の消費電力及び前記第2の装置の第2の消費電力の消費電力パターンが正常であるかどうかに基づいて前記第1の装置及び前記第2の装置の動作状態を切り替える前記電源制御部と、
を備える、電源供給制御装置。 - 前記第1の消費電力及び前記第2の消費電力は、前記相互監視プロセスに応じて周期的に変化し、前記電源制御部は、前記第1の消費電力及び前記第2の消費電力が一定の周期で変化する場合、前記消費電力パターンが正常であると判定し、前記第1の装置及び前記第2の装置に電力を供給するように前記第1の電源及び前記第2の電源を制御する、請求項1に記載の電源供給制御装置。
- 前記第1の装置及び第2の装置のいずれか一方は、アクティブ状態であり、且つ他方がスタンバイ状態であり、前記第1の消費電力及び前記第2の消費電力が一定の周期的で変化しない又は周期的に変化しない場合、前記電源制御部は、消費電力パターンが異常であると判定し、
前記消費電力パターンが異常である場合、前記電源制御部は、前記第1の消費電力及び前記第2の消費電力を比較することにより、前記第1の装置又は前記第2の装置のいずれがアクティブ状態であるかを判定し、前記第1の装置がアクティブ状態である場合、前記第1の消費電力に基づいて前記第1の装置が正常状態であるかどうかを判定し、その判定結果により前記第1の装置及び前記第2の装置の動作状態を切り替える、請求項2に記載の電源供給制御装置。 - 前記電源制御部は、前記第1の消費電力が一定の範囲内にある場合、前記第1の装置が正常状態であると判定し、前記第2の装置への電力供給を遮断する、請求項3に記載の電源供給制御装置。
- 前記第1の装置が異常状態であると判定した場合、前記電源制御部は、前記第1の装置への電力供給を遮断し、前記第1の電源及び前記第2の電源を用いて前記第2の装置にのみ電力供給を行う、請求項3又は4に記載の電源供給制御装置。
- 前記電源制御部は、前記第2の装置への電力供給を前記第2の電源のみから行うように制御する、請求項5に記載の電源供給制御装置。
- 装置が実行する電源供給制御方法であって、
冗長装置システムにおいて、第1の電源及び第2の電源を用いて、相互監視プロセスにより相互監視される第1の装置及び第2の装置に電力を供給することと、
前記第1の装置の第1の消費電力及び前記第2の装置の第2の消費電力の消費電力パターンが正常であるかどうかに基づいて前記第1の装置及び前記第2の装置の動作状態を切り替えることと、
を備える、電源供給制御方法。 - 請求項1乃至6のいずれか1項に記載の電源供給制御装置の前記各部としてプロセッサを機能させる電源供給制御プログラム。
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JP2017211917A (ja) * | 2016-05-27 | 2017-11-30 | オムロン株式会社 | システムおよび半導体装置 |
JP2019008718A (ja) * | 2017-06-28 | 2019-01-17 | 株式会社東芝 | 診断装置 |
JP2021077270A (ja) * | 2019-11-13 | 2021-05-20 | レノボ・シンガポール・プライベート・リミテッド | 情報処理装置および制御方法 |
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