JP3186728B2 - Remote power control system and method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a remote power supply control system and method in a communication system in which a plurality of computer systems are connected via a network.

[0002]

2. Description of the Related Art Hitherto, as a communication system, a cluster system in which a plurality of computer systems share one hard disk system and the computer systems are connected via a network has been known. Exclusive control in accessing a disk system from a plurality of computer systems is performed between the computer systems via a network. Therefore, when an abnormal operation of the OS occurs such that the network driver cannot operate in a certain computer system, it becomes difficult to exclusively control access to the hard disk system.

At this time, in order to prevent the computer system in which the abnormality has occurred from accessing the disk system, the conventional remote power supply control system has an intelligent function for managing each computer system connectable to a network. Card (management card) is connected to each computer system, and the power of the computer system in which an abnormality has occurred is turned off from another computer system using the function of the management card.

[0004]

However, in the conventional remote power control system, it is necessary to turn off the power of the computer system in which an abnormality has occurred by using the function of the management card from another computer system. There is a problem that it is expensive.

SUMMARY OF THE INVENTION An object of the present invention is to make it easy to turn off the power of a computer system in which an abnormality has occurred,
Another object of the present invention is to provide an inexpensive remote power supply control system and method.

[0006]

According to an aspect of the present invention, a plurality of computer systems share at least one hard disk system, and the computer systems are connected via a network. In a remote power control system in a communication system, each computer system includes a power-off pattern transmitting unit that transmits power-off pattern data for instructing power-off of another computer system to the other computer system via the network,
Communicate with other computer systems via work
Communication control means for
Within Le means, a power supply OFF pattern receiving means for receiving a power OFF pattern data sent over the network from another computer system, its own power supply O
The self-power-off pattern holding means holding the FF pattern data, and determines whether or not the power-off pattern data from the power-off pattern receiving means matches the own power-off pattern data of the self-power-off pattern holding means. A power-off pattern coincidence determining means for determining whether the power-off pattern data from the power-off pattern receiving means matches the own power-off pattern data of the self-power-off pattern holding means. A power-off instruction signal generating means for generating a power-off instruction signal for instructing power-off.

According to a second aspect of the present invention, in the first aspect, the power-off instruction signal generating means is also used as a cold reset signal generating means for generating a cold reset signal of the computer system. .

According to a third aspect of the present invention, in a remote power supply control system in a communication system in which a plurality of computer systems share at least one hard disk system and the computer systems are connected via a network, each computer system includes: Power off to instruct power off of another computer system
A power-off pattern transmitting unit for transmitting pattern data to the other computer system via the network;
An LA controller having an AN controller and a power controller connected to the LAN controller for controlling a power supply;
The N controller includes a reception buffer for receiving power-off pattern data transmitted from another computer system via a network, a pattern storage unit holding its own power-off pattern data, and a power-off from the reception buffer. A pattern matching unit that determines whether the pattern data matches its own power-off pattern data in the pattern storage unit, and the pattern matching unit that uses the power-off pattern data from the reception buffer and the own power-off in the pattern storage unit A power-off instruction signal generating unit that generates a power-off instruction signal for instructing power-off when it is determined that the pattern data matches, and supplies the power-off instruction signal to the power controller.

According to a fourth aspect of the present invention, in the third aspect of the present invention, the power-off instruction signal generating section is also used as a cold reset signal generating means for generating a cold reset signal of the computer system. .

According to a fifth aspect of the present invention, there is provided a remote power control method in a communication system in which a plurality of computer systems share at least one hard disk system and the computer systems are connected via a network. A power-off pattern transmitting step of transmitting power-off pattern data for instructing power-off of the computer system to the other computer system via the network;
A power supply OF transmitted from another computer system via a network by a power supply off pattern receiving means provided in a communication control means for performing communication.
A power-off pattern receiving step for identifying and receiving the F pattern data , and provided in the communication control means.
Self power OFF by the self power OFF pattern holding means.
A self-power-off pattern holding step for holding the FF pattern data, and power-off pattern data and self-power-off pattern from the power-off pattern receiving means by the power-off pattern matching determining means provided in the communication control means. A power-off pattern matching determining step of determining whether or not the power-off pattern data of the means itself matches; and power-off from the power-off pattern receiving means by the power-off pattern matching determining means.
When it is determined that the pattern data and the own power-off pattern data of the self-power-off pattern holding means match, a power supply OF provided in the communication control means is provided.
A power-off instruction signal generating step of generating a power-off instruction signal for instructing power-off by an F-instruction signal generating means.

According to a sixth aspect of the present invention, there is provided a remote power control method in a communication system in which a plurality of computer systems share at least one hard disk system and the computer systems are connected via a LAN. and a power OFF pattern transmission step of sending to the other computer system power OFF pattern data indicating OFF of power to the computer system via a network, LA
To communicate with other computer systems via N
A receiving step of receiving power-off pattern data transmitted from another computer system via a network by a receiving buffer provided in the LAN controller, and a pattern storage unit provided in the LAN controller Pattern storing step of storing its own power-off pattern data by a LAN controller
A determining step of determining whether or not the power-off pattern data from the reception buffer matches its own power-off pattern data in the pattern storage unit by a pattern matching unit provided in the unit; When it is determined that the power-off pattern data matches its own power-off pattern data in the pattern storage unit, a power-off command to instruct power-off by a power-off instruction signal generator provided in the LAN controller. A power-off instruction signal generating step of generating an instruction signal.

[0012]

Next, embodiments of the present invention will be described in detail with reference to the drawings. As shown in FIG. 1, a remote power control system according to one embodiment of the present invention includes a plurality of computer systems 1 and 2 connected via a LAN 3 which is a network, and a plurality of computer systems 1 and 2 have at least one computer system. It controls the power supply of the computer systems 1 and 2 in a communication system sharing two hard disk systems (not shown).

The computer system 1 has a power supply OFF pattern transmitting section 4 connected to the LAN 3, a LAN controller 5, and a power controller 6 connected to the LAN controller 5 and controlling the power supply. L
The AN controller 5 includes a reception buffer 7, a pattern storage unit 8, a pattern matching unit 9, and a power-off instruction signal generation unit 10. The reception buffer 7 is a LAN 3
It is connected to the. The pattern matching unit 9 is connected to the reception buffer 7 and the pattern storage unit 8. The power-off instruction signal generation unit 10 is connected to the pattern matching unit 9 and the power controller 6.

The power supply OFF pattern transmitting section 4 of the computer system 1 is provided with a power supply OF for instructing to turn off the power supply of another computer system such as the computer system 2.
The F pattern data is sent to the other computer system via the LAN 3. The reception buffer 7 is connected to a LAN from another computer system such as the computer system 2.
3 is received. The pattern storage unit 8 stores its own power-off pattern data in advance. Pattern matching unit 9
Determines whether the power-off pattern data from the reception buffer 7 matches the power-off pattern data in the pattern storage unit 8. The pattern matching unit 9 performs the power-off pattern data from the reception buffer 7 and the power-off pattern data of the pattern storage unit 8.
When it is determined that the pattern data matches the pattern data, a pattern data match signal is generated and supplied to the power-off instruction signal generation unit 10. The power-off instruction signal generating unit 10 generates a power-off instruction signal for instructing power-off when receiving the pattern data matching signal from the pattern matching unit 9, and provides the power-off instruction signal to the power controller 6. The power controller 6 sends a power OFF signal from the power OFF
When the F instruction signal is received, the power of the computer system 1 is turned off.

The computer system 2 has a power supply OFF pattern transmitting section 11 connected to the LAN 3, a LAN controller 12, and a power controller 13 connected to the LAN controller 12 and controlling the power supply. The LAN controller 12 has a reception buffer 14, a pattern storage unit 15, a pattern matching unit 15, and a power-off instruction signal generation unit 17. The reception buffer 14 is connected to the LAN 3. The pattern matching unit 16 is connected to the reception buffer 14 and the pattern storage unit 15. Power OFF instruction signal generator 17
Are connected to the pattern matching unit 16 and the power controller 13.

The power supply OFF pattern transmission unit 11 of the computer system 2 has a power supply O for instructing to turn off the power supply of another computer system such as the computer system 1.
The FF pattern data is sent to the other computer system via the LAN 3. The reception buffer 14 is connected to another computer system such as the
The power off pattern data transmitted via AN3 is received. The pattern storage unit 15 is powered off by itself.
The pattern data is held in advance. The pattern matching unit 16 stores the power-off pattern data from the reception buffer 14 and the own power supply O in the pattern storage unit 15.
It is determined whether or not the FF pattern data matches. When the pattern matching unit 16 determines that the power-off pattern data from the reception buffer 14 matches the power-off pattern data of its own in the pattern storage unit 15, the pattern matching unit 16 generates a pattern data match signal and
The signal is supplied to the FF instruction signal generator 17. The power-off instruction signal generation unit 17 generates a power-off instruction signal for instructing power-off when receiving the pattern data match signal from the pattern matching unit 16 and provides the power-off instruction signal to the power controller 13. The power controller 13 turns off the power of the computer system 2 when receiving the power-off instruction signal from the power-off instruction signal generator 17.

Accordingly, the computer systems 1, 2
Regardless of the operating status of the OS operating on the above, the power of the computer system in which the abnormality has occurred can be turned off by another computer system via the network.

In the above embodiment of the present invention, the power-off instruction signal generators 10 and 17 can also be used as a cold reset signal generator for generating a cold reset signal of a computer system.

[0019]

According to the present invention, it is possible to provide an inexpensive remote power supply control system and method which can easily control the power supply of a computer system in which an abnormality has occurred to be turned off.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a remote power control system according to one embodiment of the present invention.

[Explanation of symbols]

 1, 2 Computer system 3 LAN 4, 11 Power off pattern transmission unit 5, 12 LAN controller 6, 13 Power controller 7, 14 Receive buffer 8, 15 Pattern storage unit 9, 16 Pattern matching unit 10, 17 Power off instruction signal generation Department

Claims (6)

(57) [Claims] 1. A remote power control system in a communication system in which a plurality of computer systems share at least one hard disk system and the computer systems are connected via a network, wherein each of the computer systems is another computer system A power-off pattern transmitting unit for transmitting power-off pattern data for instructing power-off of the computer to the other computer system via a network, and another computer system via the network.
Communication control means for performing communication, wherein the communication control means includes a power-off pattern receiving means for receiving power-off pattern data transmitted from another computer system via the network; Self-power-off pattern holding means for holding power-off pattern data of
Power-off pattern matching determining means for determining whether or not the power-off pattern data from the F-pattern receiving means matches the own power-off pattern data of the self-power-off pattern holding means;
When the pattern match determination unit determines that the power-off pattern data from the power-off pattern reception unit matches the self-power-off pattern data of the self-power-off pattern holding unit, the power supply is turned off.
Power off to generate power off instruction signal to instruct F
A remote power control system comprising: an instruction signal generating unit. 2. The remote power control system according to claim 1, wherein said power-off instruction signal generating means is also used as a cold reset signal generating means for generating a cold reset signal of a computer system. Power control system. 3. A remote power control system in a communication system in which a plurality of computer systems share at least one hard disk system and the computer systems are connected via a LAN, wherein each of the computer systems is another computer system. A power-off pattern transmission unit for transmitting power-off pattern data for instructing power-off of the computer to the other computer system via a network, a LAN controller, and a power controller connected to the LAN controller and controlling the power supply. The LAN controller turns off the power transmitted from another computer system via the network.
A reception buffer for receiving pattern data, a pattern storage unit holding its own power-off pattern data, and the power-off pattern data from the reception buffer and the own power-off pattern data in the pattern storage unit A pattern matching unit for determining whether or not they match each other, and a power supply when the pattern matching unit determines that the power-off pattern data from the reception buffer matches the own power-off pattern data in the pattern storage unit. A power-off instruction signal generating section for generating a power-off instruction signal for instructing the power controller to turn off the power and giving the power-off instruction signal to the power controller. 4. The remote power control system according to claim 3, wherein the power-off instruction signal generating unit is also used as a cold reset signal generating unit that generates a cold reset signal of the computer system. Power control system. 5. A remote power control method in a communication system in which a plurality of computer systems share at least one hard disk system and the computer systems are connected via a network, wherein each of the computer systems controls another computer system. A power-off pattern transmitting step of transmitting power-off pattern data for instructing power-off to the other computer system via the network, and transmitting the power-off pattern data to the other computer system via the network.
A power-off pattern receiving step of identifying and receiving power-off pattern data transmitted from another computer system via the network by power-off pattern receiving means provided in communication control means for performing communication ; A self-powered OF provided in the communication control means;
A self-power-off pattern holding step of holding its own power-off pattern data by an F-pattern holding means; and a power-off pattern from the power-off pattern receiving means by a power-off pattern coincidence determining means provided in the communication control means. A power-off pattern matching determining step of determining whether or not the data and the self-power-off pattern data of the self-power-off pattern holding means match;
When it is determined that the power-off pattern data from the FF pattern receiving means and the self-power-off pattern data of the self-power-off pattern holding means match, a power supply O provided in the communication control means is provided.
A power-off instruction signal generating step of generating a power-off instruction signal for instructing power-off by FF instruction signal generating means. 6. A remote power control method in a communication system in which a plurality of computer systems share at least one hard disk system and the computer systems are connected via a LAN. A power-off pattern transmitting step of transmitting power-off pattern data instructing power-off to the other computer system via the network, and communicating with the other computer system via the LAN
A receiving buffer provided in the LAN controller for performing a receiving step of receiving power-off pattern data transmitted from the other computer system via the network, and a pattern storage unit provided in the LAN controller. A pattern storing step of storing its own power-off pattern data, and the power-off pattern data from the receiving buffer and the own power supply of the pattern storage unit by a pattern matching unit provided in the LAN controller.
A determining step of determining whether or not the FF pattern data matches; and determining by the pattern matching unit that the power-off pattern data from the reception buffer matches the own power-off pattern data in the pattern storage unit. A power-off instruction signal generating step of generating a power-off instruction signal for instructing power-off by a power-off instruction signal generating unit provided in the LAN controller when the power supply is performed. .