JPH11259322A - Maintenance terminal connecting system for computer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a maintenance terminal connecting system for computers with which the switching of a maintenance terminal or configuration control between computers is enabled without requiring any complicated hardware or software. SOLUTION: This system is provided with a main body 1 of computer having a service processor 3 and a central processing unit 2 having a maintenance terminal managing table to control the maintenance diagnostic function of a computer system, master maintenance terminal 11 and slave maintenance terminal 12 connected through a communication bus 13 to the service processor 3. A master maintenance terminal address and a slave maintenance terminal address are registered in the maintenance terminal managing table owned by the service processor 3 so as to reload the master/slave terminal address or name of the maintenance terminal managing table from the master or slave terminal.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection system between a service processor for operating and maintaining a computer and a maintenance terminal or another computer.

[0002]

2. Description of the Related Art In recent years, industrial computer systems have been increasing in scale, sophistication, or decentralization. A plurality of computers execute processing while controlling each other, or monitor other systems mutually. There is a tendency to adopt a dual system for controlling the system. In addition, with the advancement, each computer is provided with a dedicated service processor (hereinafter referred to as SVP) for performing operation and maintenance management of the computer independently of a central processing unit (hereinafter referred to as a CPU) for executing arithmetic processing by a program. A maintenance terminal is connected to the SVP, and controls and operations such as collecting, starting, and stopping internal data of the computer are performed by operating the maintenance terminal.

FIGS. 5 to 7 are explanatory diagrams showing various configurations of a conventional computer maintenance terminal connection system. FIG.
In the conventional example of (a), the CPU 2 and the SVP 3
And the I / O card 4, etc., and the SVP3
Is a fixed connection system in which the operator operates the maintenance terminal 5 to control and operate the internal data of the computer main body 1, such as collecting, starting or stopping. FIG. 5B shows an example in which a maintenance terminal 6 for remote operation is further connected to the maintenance terminal 5 to enable remote operation. Requires intervention. FIG. 6 shows SVPs 3 and 3 of a plurality of computer bodies 1 and 1a, respectively.
a is connected to the maintenance bus 7 and the maintenance terminal 5 connected to the maintenance bus 7 is operated so that one maintenance terminal 5 can operate each of the plurality of computer main bodies 1 and 1a. However, switching from the computer main body 1 to the computer main body 1a requires a program operation by the intervention of an operator.

FIG. 7 shows a case where a plurality of computers mutually control each other. In this conventional example, a plurality of computer main bodies 1 and 1a are used.
CPUs 2 and 2a, SVPs 3 and 3a, I / O
Cards 4 and 4a and communication cards 8 and 8a are provided, and SVPs 3 and 3a have maintenance terminals 5 and 5 respectively.
a is connected, and the I / O cards 4 and 4a
The communication cards 8 and 8a are connected to a data communication line 9 and a data way 10, respectively, and each computer has a dedicated configuration control program incorporated therein. In this conventional example, a configuration control program for performing mutual control between computers is incorporated in each computer. Therefore, by operating the maintenance terminal 5 or 5a, data communication between computers or I / O
The I / O input / output device is started, and mutual control such as collection and change of internal data of each computer or start / stop can be performed. However, a complicated configuration control program and extra hardware are required. Is what you do.

[0005]

The conventional maintenance terminal connection method for a computer is configured as described above, so that the connection between the maintenance terminal and the computer main body is fixed, or the maintenance terminal and the remote maintenance terminal are connected to each other. Switching required manual operation. In the case where a plurality of computers control each other and control the collection and change of internal data of other computers or the start and stop of the other computers, the state of the other computers is controlled between the computers. This requires complicated software and hardware such as a dedicated configuration control program, communication lines and dataways for inter-computer communication, and I / O input / output devices.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and there is provided a computer capable of switching between maintenance terminals and controlling the configuration between computers without requiring complicated hardware and software. The purpose is to obtain a maintenance terminal connection method.

[0007]

According to the present invention, there is provided a computer maintenance terminal connection method, comprising: a computer main body having a service processor having a maintenance terminal management table, having a maintenance terminal management table, and having a central processing unit; The processor includes a master maintenance terminal and a slave maintenance terminal connected to the processor via a communication bus, and a master maintenance terminal address and a slave maintenance terminal address are registered in a maintenance terminal management table of the service processor. In this case, both maintenance terminal addresses or names in the maintenance terminal management table can be rewritten.

Further, a computer main body having a service processor and a central processing unit which is responsible for a maintenance diagnosis function of the computer system and has a maintenance terminal management table, a master maintenance terminal connected to the service processor via a communication bus, and a slave maintenance terminal A terminal and a supervisor terminal are provided, and a master maintenance terminal address and a slave maintenance terminal address are registered in a maintenance terminal management table of the service processor,
Re-registration of the maintenance terminal management table from the supervisor terminal,
And collection and modification of computer internal data, or
Start and stop operations can be performed.

Further, a plurality of computer main units each having a service processor and a central processing unit which are responsible for the maintenance diagnosis function of the computer system and have a maintenance terminal management table, a communication bus to which the service processor of each computer main unit is connected, A master maintenance terminal connected to the communication bus, and the master maintenance terminal address and the service processor address of the second computer are registered in the maintenance terminal management table of the service processor of the first computer; According to the processing program of the central processing unit from the service processor, an operation command is output to the service processor of the first computer with the same protocol as the maintenance terminal, so that the internal data of the computer can be collected and changed, or the operation of starting and stopping can be performed. It is like that.

Further, a plurality of computer main units each having a service processor, a central processing unit, and a communication device which are responsible for a maintenance diagnosis function of the computer system and have a maintenance terminal management table, a service processor and a communication device of each computer main unit, And a master maintenance terminal connected to the communication bus, wherein the master maintenance terminal address and the address of the communication device of the second computer are stored in the maintenance terminal management table of the service processor of the first computer. Registered, according to the processing program of the central processing unit from the communication device of the second computer, outputs an operation command to the service processor of the first computer with the same protocol as the maintenance terminal, and collects and changes internal data of the computer, or , Start and stop operations.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is an explanatory diagram showing a configuration of a maintenance terminal connection method for a computer according to Embodiment 1 of the present invention. FIG. 1A shows a normal connection, and FIG. 1B shows a connection change by a change command from the terminal. At this time, FIG. 1C shows a state after the connection is changed, and the same parts as those in the conventional example shown in FIGS. 5, 6 and 7 are denoted by the same reference numerals. In the figure, reference numeral 1 denotes a computer main body. The computer main body 1 has a CPU 2 as a central processing unit, a service processor SVP3 which manages a computer maintenance diagnosis function and has a maintenance terminal management table.
The SVP 3 is connected to a communication bus 13, and a maintenance terminal 11 and a maintenance terminal 12 are connected to the communication bus 13.
The master maintenance terminal address and the slave maintenance terminal address are registered in the maintenance terminal management table.

In the computer maintenance terminal connection system of the first embodiment configured as described above, the maintenance terminal 11 is usually used as a master maintenance terminal for operation control of the computer main unit 1 as shown in FIG. , The maintenance terminal 12 is a slave maintenance terminal. Switching between the master maintenance terminal and the slave maintenance terminal is performed by outputting a terminal change command from one of the maintenance terminals and rewriting the maintenance terminal management table of the SVP 3, and FIG. This shows a state where an instruction is output and the address is changed. According to this result, as shown in FIG.
The maintenance terminal 12 becomes the master maintenance terminal, and the maintenance terminal 11 switches to the slave maintenance terminal. As described above, according to the computer maintenance terminal connection method of the first embodiment of the present invention,
By a terminal change command from the maintenance terminal 11 or 12,
The address or name of the maintenance terminal management table of SVP3 is changed and the maintenance terminal can be switched between the master maintenance terminal and the slave maintenance terminal. The maintenance terminal can be switched by a simple procedure without the need for complicated hardware and software. It is what becomes.

Embodiment 2 FIG. FIG. 2 is an explanatory diagram showing a configuration of a computer maintenance terminal connection method according to a second embodiment of the present invention. This embodiment has a maintenance terminal management table in the SVP 3 that performs the maintenance diagnosis function of the computer 1, A master maintenance terminal address, a slave maintenance terminal address, and a supervisor terminal address are registered in the maintenance terminal management table,
A supervisor terminal 14 is connected to a communication bus 13 connecting the SVP 3 and each maintenance terminal. Further, while the master maintenance terminal address and the slave maintenance terminal address in the maintenance terminal management table are set by the user, the supervisor terminal address is such that an address unique to the model of the computer is assigned.

With such a configuration, usually, as shown in FIG.
Is controlled, but when the master maintenance terminal address or the slave maintenance terminal address is not registered in the maintenance terminal management table, when the registration is changed, or when the registered master maintenance terminal or the slave maintenance terminal fails,
As shown in FIG. 2B, the supervisor terminal 14 is connected to the communication bus 13, and the operation command from the supervisor terminal 14 re-registers the maintenance terminal management table, collects and changes internal computer data, or starts up. Operation and control such as stop and stop are enabled.

Embodiment 3 FIG. 3 is an explanatory diagram showing a configuration of a computer maintenance terminal connection system according to a third embodiment of the present invention. In this embodiment, a first computer (A) 1, a CPU 16 and an SVP 17 are connected to a communication bus 13. I / O card 1
8 is connected to the second computer (B) 15 which has the master maintenance terminal address and the slave maintenance terminal address in the maintenance terminal management table held by the SVP 3 of the first computer 1, and is registered as the master maintenance terminal. The SVP of the second computer 15 is used as the maintenance terminal 11 as a slave maintenance terminal.
17 is registered, and an operation command is output to the SVP 3 of the first computer 1 by the SVP 17 according to the processing program of the CPU using the same protocol as that of the maintenance terminal.

With this configuration, the SVP 17 of the second computer 15 operates the first computer 1 to collect and change internal data of the computer 1 or execute operations and controls such as starting and stopping. It is possible to
A data way for data communication between computers, an I / O input / output device, a configuration control program, etc.
This makes it possible to control the state of another computer between computers without requiring complicated hardware and software. In the above description, the case where the first computer 1 is operated from the second computer 15 is described. However, the operation of the second computer 15 from the first computer 1 is similarly possible. It can be operated mutually.

Embodiment 4 FIG. 4 is an explanatory diagram showing a configuration of a computer maintenance terminal connection system according to a fourth embodiment of the present invention. In this embodiment, a first computer (A) 1 and a second computer ( B) 15 and a communication device (A) 19 in the first computer (A) 1;
The second computer (B) 15 includes a communication device (B) 20, and connects each of the communication devices 19 and 20 to the communication bus 13.
The master maintenance terminal address and the slave maintenance terminal address are registered in the maintenance terminal management table held by the SVP 3 of the first computer 1, and the maintenance terminal 11 is registered as the master maintenance terminal.
The communication device 20 of the second computer 15 is registered as a slave maintenance terminal, and the communication device 20 operates the SVP 3 of the first computer 1 with the same protocol as the maintenance terminal in accordance with the processing program of the CPU. Is output.

With this configuration, the first computer 1 is operated from the communication device 20 of the second computer 15 to collect and change internal data of the computer 1, or to operate and control operations such as starting and stopping. Becomes possible, and Embodiment 3
In the same manner as described above, the data way and I
It is possible to control the state of other computers between computers without the need for complicated hardware and software such as an I / O input / output device and a configuration control program. Further, by using the communication device 20 as a general-purpose communication device, The CPU can be controlled by a program having a general description. In the fourth embodiment, as in the third embodiment, the first computer 1 can operate the second computer 15 and the computers can operate mutually. You.

[0019]

As described above, according to the computer maintenance terminal connection method of the present invention, the maintenance terminal that stores and manages the address of the connected maintenance terminal in the service processor that performs the maintenance diagnosis function of the computer. With a management table,
Also, by registering the address in the maintenance terminal management table, it is possible to give an operation instruction from a service processor or a communication device of the computer to a service processor of another computer with a protocol equivalent to that of the maintenance terminal.
Switching maintenance terminals, resetting maintenance terminal management tables from service processors or communication devices of other computers, and collecting and changing internal data of computers without the need for complicated software or complicated hardware Alternatively, mutual control for performing operations and controls such as starting and stopping can be performed.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a configuration of a maintenance terminal connection method for a computer according to a first embodiment of the present invention; FIG.
(B) shows a connection change by a change command from the terminal, (c)
Indicates the state after the connection is changed.

FIG. 2 is an explanatory diagram showing a configuration of a maintenance terminal connection method for a computer according to a second embodiment of the present invention, wherein
(B) shows the state when the supervisor terminal is connected.

FIG. 3 is an explanatory diagram showing a configuration of a maintenance terminal connection method for a computer according to a third embodiment of the present invention.

FIG. 4 is an explanatory diagram showing a configuration of a maintenance terminal connection method for a computer according to a fourth embodiment of the present invention.

5A and 5B are explanatory diagrams showing a configuration of a conventional maintenance terminal connection method for a computer, in which FIG. 5A shows a state in normal use, and FIG. 5B shows a state in which a remote maintenance terminal is connected.

FIG. 6 is an explanatory diagram showing a configuration of a conventional computer maintenance terminal connection method.

FIG. 7 is an explanatory diagram showing a configuration of a conventional computer maintenance terminal connection method.

[Explanation of symbols]

1,15 computer main unit, 2,16 central processing unit, 3,
17 service processor, 4, 18 I / O card,
11, 12 maintenance terminal, 13 communication bus, 14 supervisor terminal, 19, 20 communication device.

Claims (4)

[Claims] 1. A computer main body having a service processor having a maintenance terminal management table and having a central processing unit, in charge of a maintenance diagnosis function of a computer system, and a master maintenance terminal and a slave maintenance terminal connected to the service processor via a communication bus. A master maintenance terminal address and a slave maintenance terminal address are registered in the maintenance terminal management table of the service processor, and both the maintenance terminal addresses or the names of the maintenance terminal management table can be rewritten from the master or slave maintenance terminal. A computer maintenance terminal connection method, characterized in that: 2. A computer main unit having a service processor having a maintenance terminal management table and having a central processing unit, in charge of a maintenance diagnosis function of a computer system, and a master maintenance terminal and a slave maintenance terminal connected to the service processor via a communication bus. And a supervisor terminal, a master maintenance terminal address and a slave maintenance terminal address are registered in the maintenance terminal management table of the service processor, re-registration of the maintenance terminal management table from the supervisor terminal, and collection and internal data of the computer. A computer maintenance terminal connection method characterized in that a change or a start and stop operation can be performed. 3. A plurality of computer main units each having a service processor having a maintenance terminal management table and a central processing unit, which is responsible for a maintenance diagnosis function of the computer system, a communication bus to which a service processor of each computer main unit is connected,
A master maintenance terminal connected to the communication bus is provided, and a master maintenance terminal address and a service processor address of the second computer are registered in the maintenance terminal management table of the service processor of the first computer. According to the processing program of the central processing unit from the service processor of the computer, an operation command is output to the service processor of the first computer using the same protocol as the maintenance terminal, and the internal data of the computer is collected and changed, or the operation of starting and stopping is performed. A computer maintenance terminal connection method, characterized in that it is made possible. 4. A plurality of computer main units each having a service processor having a maintenance terminal management table, a central processing unit, and a communication device, in charge of a maintenance diagnosis function of the computer system, and a service processor and a communication device of each computer main unit. A communication bus to be connected, a master maintenance terminal connected to the communication bus, and a master maintenance terminal address and a communication device address of the second computer are registered in a maintenance terminal management table of a service processor of the first computer. And
According to the processing program of the central processing unit from the communication device of the second computer, an operation command is output to the service processor of the first computer with a protocol equivalent to that of the maintenance terminal, and collection and change of internal data of the computer, or startup and A computer maintenance terminal connection method characterized by being configured to be able to perform a stop operation.