JP3131844B2 - Terminal device and memory dump transfer method for terminal device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal device for transferring a memory dump via a communication line and a method for transferring a memory dump of the terminal device.

[0002]

2. Description of the Related Art A first terminal device, which is constituted by a plurality of terminal devices connected by a communication line, is a communication device having a line control memory loaded with a communication line control program. An adapter and a main memory for storing a dump program for controlling a memory dump are provided, but there is no room for the memory capacity, while the second terminal device, which is one of the other terminal devices, has at least a large capacity. In the system including the storage medium of, when an event such as a software error or a hardware failure occurs in the first terminal device, transferring its own memory dump to the storage medium of the second terminal device, Conventionally, it is widely performed.

[0003] In this case, the first terminal device has a dump
The memory dump is transferred to the second terminal device while interfacing the program with the communication line control program loaded in its own communication adapter.

[0004]

However, in the conventional memory dump transfer method, if the communication line control program in the communication adapter of the first terminal device cannot operate for some reason, the second method will be described. It becomes impossible for the terminal device to collect data.

[0005] Even if this program is operable, if a memory dump is collected by the second terminal device, the first terminal device may retain the state at the time of the memory dump. There was a problem that could not be done.

The present invention has been made in view of the above background, and is capable of transferring a memory dump irrespective of the state of a communication line control program, and further grasping the state at the time when the memory dump is issued. An object of the present invention is to provide a terminal device that can obtain the same.

Another object of the present invention is to provide a memory dump transfer method capable of accurately and reliably transferring a memory dump from one terminal device to a storage medium of the other terminal device.

[0008]

According to the present invention, there is provided a communication line control program having a main memory and a communication adapter having a line control memory connected to the main memory. Transferring a memory dump of its own to a storage medium of another terminal device through a communication line controlled by a sub-memory connected to the main memory and the line control memory and an address for controlling an address of the sub-memory A memory adapter having a control circuit, and further storing the communication line control program and a dump program for controlling its own dump memory in the main memory. Activate the dump program, and execute the communication line control program loaded in the line control memory. Is transferred to the memory adapter, and the communication line control program stored in the main memory is reloaded into the line control memory.Based on the reloaded communication line control program, the own memory dump is copied to another. There is obtained a terminal device adapted to transfer the data to the storage medium of the terminal device.

[0009] Specifically, the dump program includes:
A first dump program that defines a procedure for transferring the contents of the line control memory to the memory adapter; and a communication line control program stored in the main memory after the execution of the first dump program. A second dump program that defines a procedure for loading the memory, a third dump program that defines a procedure for executing the communication line control program loaded into the line control memory after the execution of the second dump program, Consists of

Further, according to the present invention, the first terminal device, which is composed of a plurality of terminal devices connected by a communication line, is a line control device loaded with a communication line control program. A communication adapter having a memory, a main memory storing a dump program and a communication line control program for controlling a memory dump, and a memory adapter having a sub-memory connected to the line control memory; The second terminal device, which is one of the terminal devices, is a method including at least a large-capacity storage medium, and when a memory dump transfer event occurs in the first terminal device, the second terminal device is stored in the main memory. A dump program is started, the contents of the line control memory are once transferred to the memory adapter, and the contents stored in the main memory are transferred. A terminal for reloading the line control program into the line control memory and transferring its own memory dump to the storage medium of the second terminal device according to the reloaded communication line control program The transfer method of the memory dump of the device is obtained.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a system configuration diagram for realizing a memory dump transfer system according to an embodiment of the present invention. Normal,
Although this type of system consists of multiple terminal devices,
In the present embodiment, a system including two terminal devices will be described for convenience. In the figure, 10 is a first terminal device,
Reference numeral 20 denotes a second terminal device.
0 is connected by a communication line 30.

The first terminal device 10 has a main memory 11
And the line control memory 1 connected to the main memory 11.
2 and a memory adapter 14 connected to the main memory 11 and the line control memory 12
It has.

FIG. 2 is a block diagram of the memory adapter 14 of the first terminal device 10, wherein 14a denotes a sub-memory and 14b denotes a memory control circuit for controlling an address of the sub-memory 14a. The memory control circuit 14b
For example, it is configured by a firmware LSI.

The main memory 11 stores a communication line control program and three types of dump programs, and the line control memory 12 is loaded with a communication line control program in advance.

[0016] Specifically, the dump program includes:
A first dump program A for determining a procedure for transferring the contents of the line control memory 12 to the memory adapter 14, and a main memory 11 after the execution of the first dump program A
And a communication line loaded in the line control memory 12 after the execution of the second dump program B. The second dump program B defines a procedure for loading the communication line control program stored in the line control memory 12. And a third dump program C that defines a procedure for executing the control program.

The communication line control program is a program for controlling the communication line as in the conventional case.

The second terminal device 20 includes a communication adapter 21 and a large-capacity disk device 22.

Next, referring to the flowchart of FIG.
The memory dump transfer method in the above system will be described.

When a memory dump transfer event occurs in the first terminal device 10, the first dump program A in the main memory 11 is activated and all the line control memories including the communication line control program of the communication adapter 12 are executed. Is temporarily saved (transferred) to the sub memory 14a of the memory adapter 14 (40).

Subsequently, the second dump program B is started, and the communication line control program stored in the main memory 11 is reloaded into the line control memory 11 of the communication adapter 13 (50). As a result, the communication adapter 12 becomes operable. Finally, the third dump program C is activated, and the communication adapter 12 executes the reloaded communication line control program (60). Thereby, the memory dump of the first terminal device 10 is transferred to the disk device 22 of the second terminal device 20 through the communication line 30. The transferred memory dump may be stored not in the disk device 22 of the second terminal device 20 but in the main memory of the second terminal device 20 (not shown).

As described above, in the present embodiment, the dump program A,
A terminal device (first terminal device 10) storing the communication line control program with B and C is configured. When a memory dump transfer event occurs in this terminal device 10, a dump
By sequentially starting the programs A, B, and C, the communication line control program stored in the line control memory 12 is saved in the memory adapter 14, and the communication line control program stored in the main memory is saved in the line control memory 12
The memory dump is transferred to the disk device of another terminal device (second terminal device 20) based on the reloaded communication line control program. It is possible to realize a terminal device that can reliably transfer a memory dump even if the terminal cannot operate due to some cause.

When a memory dump is transferred, the contents immediately before the transfer are stored (saved) in the memory adapter 14.
The state at the time when the memory dump was issued can be confirmed.

[0024]

As described above, according to the present invention,
When a memory dump transfer event occurs, the contents of the line control memory of the communication adapter are temporarily saved to the memory adapter, and the operable communication line control program is reloaded from the main memory. It is possible to provide a terminal device that can transfer a memory dump irrespective of the state of a program and can confirm the state at the time of issuing the memory dump with a memory adapter.

Also, according to the present invention, at least one terminal device is constituted by the terminal device, and a large-capacity storage medium is provided in at least one of the other terminal devices. It is possible to provide a memory dump transfer method capable of transferring a dump to a storage medium of another terminal device accurately and reliably.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram for realizing a memory dump transfer method according to an embodiment of the present invention.

FIG. 2 is a block diagram of a memory adapter used in the system configuration of the embodiment.

FIG. 3 is a flowchart illustrating a processing procedure of a memory dump transfer method according to the embodiment;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 First terminal device 11 Main memory 12 Line control memory 13, 21 Communication adapter 14 Memory adapter 14a Sub memory 14b Memory control circuit 20 Second terminal device 22 Disk device (storage medium)

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G06F 13/00 G06F 11/30-11/34

Claims (3)

(57) [Claims] 1. A terminal device comprising a main memory and a communication adapter having a line control memory connected to the main memory, wherein the terminal device is controlled by a communication line control program loaded in the line control memory. In a device for transferring its own memory dump to a storage medium of another terminal device through a communication line, the main memory and the sub memory connected to the line control memory and an address control circuit for controlling an address of the sub memory A memory adapter provided with the communication line control program and a dump program for controlling its own dump memory in the main memory. Is started, and the communication line control program loaded in the line control memory is stored in the memory. At the same time as transferring to the adapter, the communication line control program stored in the main memory is reloaded into the line control memory, and based on the reloaded communication line control program, its own memory dump is stored in another terminal device. A terminal device for transferring data to a storage medium. 2. The dump program according to claim 1, wherein the first dump program defines a procedure for transferring the contents of the line control memory to the memory adapter.
A second dump program that defines a procedure for loading the communication line control program stored in the main memory into the line control memory after execution of the program, and a second dump program that executes the second dump program. 2. The terminal device according to claim 1, further comprising a third dump program that defines a procedure for executing the loaded communication line control program. 3. A communication adapter comprising a plurality of terminal devices connected by a communication line, and a first terminal device as one of these terminal devices includes a line control memory loaded with a communication line control program. And a main memory for storing a dump program and a communication line control program for controlling a memory dump, and a memory adapter having a sub-memory connected to the line control memory. A second terminal device is a memory dump transfer method of a terminal device having at least a large-capacity storage medium, and the main memory is used when a memory dump transfer event occurs in the first terminal device. The dump program is started, and the contents of the line control memory are temporarily transferred to the memory adapter and stored in the main memory. Reloading the communication line control program into the line control memory, and transferring its own memory dump to the storage medium of the second terminal device according to the reloaded communication line control program. Memory dump transfer method of the terminal device to perform.