JPH03255541A - Information processor - Google Patents

Abstract

PURPOSE:To automatize the fault diagnosis by each substrate unit and to execute the exchange of a substrate on which a fault part is present without interrupting a power source by providing a self-diagnostic function and a hot-line inserting/drawing-out function on each of a control substrate and an external connection interface substrate. CONSTITUTION:On respective control substrates 3 and respective external connection interface substrates 5, self-diagnostic functions 33, 53 for diagnosing abnormality of its own substrate and informing its result, and hot-line inserting/ drawing-out functions 31, 51 which can be inserted/drawn out into/from a control bus 7 in a hot-line state are provided. In such a state, respective control substrates 3 and respective external connection interface substrates 5 diagnose separately whether its own fault is generated or not, and when a fault is generated, the substrate in which the fault is generated informs its fact to an operator, etc. In such a manner, the fault diagnosis can be automatized by each substrate unit, and also, the change of the substrate on which a fault part is prevent can be executed without interrupting the power source of the device.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to an information processing device that allows continued operation of the device even if a failure occurs in each board.

(Prior Art) Conventionally, information processing devices applied to plant control devices, etc. have been equipped with multiple control boards to configure a multiprocessor device, and also have multiple external connection interface boards installed to connect each board. A configuration in which the controller is connected to a central controller via an internal control bus is known.

When a failure occurs in the above conventional information processing device, -
Once the equipment is out of operation, operators and others use a fault diagnosis tool to find the board with the faulty part.

In addition, in order to replace a faulty board, the power to the device must be turned off, and then the board must be removed and replaced.

(Problem to be solved by the invention) However, in the above-mentioned conventional information processing device, when a failure occurs, in order to find the board where the failure part is located, -
A separate backup function is required for devices that require continuous operation and that must be stopped once the device is in operation.

In addition, failure diagnosis is done by humans, which takes a lot of time and
This may result in increased workload and the possibility of replacing even normal equipment without being able to isolate the faulty part.

Furthermore, replacing a faulty board requires stopping the power supply as well as stopping the operation, and even if degeneracy is possible, it is unreasonable that continued operation must be stopped.

The present invention has been made in view of the above circumstances, and its purpose is to automate failure diagnosis on an individual board basis and to replace a board with a faulty part without stopping the power supply of the device. The purpose of this invention is to provide an information processing device that can perform the following tasks.

[Structure of the invention 55. ] (Means for Solving the Problems) In order to achieve the above object, the present invention mounts a plurality of control boards to configure a multiprocessor device, mounts a plurality of external connection interface boards, and connects each board. In an information processing device connected via a control bus, each of the control boards and each external connection interface board has a self-diagnosis function that diagnoses abnormalities in its own board and notifies the results, and the It is characterized by providing a hot-line insertion/removal function that allows insertion/removal of the control bus.

(Operation) In the present invention configured as described above, each control board and each external connection interface board are individually diagnosed for the occurrence of their own failure.

When a failure occurs, the failure board notifies an operator or the like of this fact.

Furthermore, a failed board can be replaced while the power supply is live, without stopping the power supply.

(Embodiment) FIG. 1 is a block diagram showing an embodiment of an information processing apparatus according to the present invention.

This information processing device 1 includes a central control device 2 as a control center, a multiprocessor device 4 made up of a plurality of control boards 3, 3, etc., and an interface board, and is connected to a printer, a communication control device, etc. A central control unit 2. The multiprocessor device 4, external connection interface device 5, and information storage device 6 are connected via a control hub 7.

Each control board 3311 configuring the multiprocessor device 4.
They each have the same configuration, including a hot-line insertion/extraction unit 31 consisting of a connector etc. that allows insertion and removal from the control bus 7 in an active state, and a hot-line insertion/extraction unit 31 that constantly monitors its own board failure and Control unit 3 that executes assigned arithmetic processing
2, a self-diagnosis unit 33 that executes self-diagnosis and outputs the result when a failure occurs, and a lamp, r, which outputs the self-diagnosis result.
It is provided with a failure notification section 34 that notifies the operator by means of a light or outputting a message, and an operator operation section 35 for inputting operations to the board 3 by the operator.

On the other hand, each of the external connection interface devices 5, 5, . A control unit 52 that constantly monitors its own board failures and controls data transmission to and from printers and communication control devices, a self-diagnosis unit 53 that performs self-diagnosis and outputs the results when a failure occurs, and a self-diagnosis It includes a failure notification section 54 that notifies the operator of the result by lighting a lamp, outputting a message, etc., and an operator operation section 55 for inputting operations to the board 5 by the operator.

Next, the operation of this embodiment will be explained using the control board 3 of the multiprocessor device 4 as an example.

Control board 3, 3. ... is in operation, the control unit 32 of each board
is constantly monitoring the occurrence of failures, and if any of the boards 3, 3
．． When a failure occurs in , the control section 32 of the corresponding board 3 outputs a failure occurrence command to the self-diagnosis section 33 and causes the self-diagnosis to be executed.

When the self-diagnosis section 33 detects that a failure has occurred in its own board, it lights up a lamp to notify the operator of the failure location, and displays information regarding the failure location on the failure notification section 34.

The operator checks the failure notification unit 5 of the board 3 whose lamp is lit.
If you look at the information about the faulty part displayed in 4 and recognize that it is necessary to disconnect this board from the control bus 7, operate the active insertion/extraction unit 31 to disconnect the live circuit board 3 from the control bus 7. separate from

As a result, only the faulty board 3 can be disconnected from the control bus 7 without stopping the device power and operation, and the information processing function can continue to be operated.

Note that commands can also be output to the self-diagnosis section 33 by manual input by the operator via the operator operation section 35.

The above explanation was based on the case where a failure occurred in the control board 3 in the multiprocessor 4, but the external connection interface devices 5, 5. . . . If a failure occurs, the same procedure can be used.

[Effects of the Invention] As explained above, according to the information processing device according to the present invention, since the control board and the external connection interface board are each provided with a self-diagnosis function and a hot-swap function, failure diagnosis can be performed on each of them. This can be automated on a board-by-board basis, and a board with a faulty part can be replaced without stopping the power to the device.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of an information processing apparatus according to the present invention. 1...Information processing device 2...Central control device 3...Control board 4...Multiple processor unit ff 5...External connection interface device 31.51...-Hot insertion/extraction unit 32.52...Control unit 33. 53...Self-diagnosis section 34.54...Failure notification section 35.55...Operator operation section

Claims (1)

[Claims] In an information processing device in which a plurality of control boards are mounted to configure a multiprocessor device and a plurality of external connection interface boards are mounted, and each board is connected via a control bus, each control board and each external Each of the connection interface boards is provided with a self-diagnosis function for diagnosing an abnormality in its own board and notifying the results, and a hot-line insertion/removal function for allowing the connection interface board to be inserted into or removed from the control bus in a live-line state. information processing equipment.