JPH0553841A - Virtual computer system - Google Patents

Abstract

PURPOSE:To use a terminal equipment as the virtual console device of a virtual computer system and to operate the virtual console device from a distant place. CONSTITUTION:In the case of operating the virtual console device at the terminal in the virtual computer system, the terminal equipment can be used as the console device by using a virtual computer connecting request processing means 3 and a virtual computer connection processing means 13, console display is executed by using a virtual console display data transfer means 15 and a terminal picture display means 5, and display/input control is executed to the virtual console device by using an input area open processing means 7, input message transmitting means 9 and input area close informing means 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is used in a virtual computer system. The present invention relates to a virtual console remote operation means that enables a terminal device to be used as a virtual console device of a virtual computer system.

[0002]

2. Description of the Related Art Conventionally, in a virtual computer system of this type, a sub-console device of a real computer is assigned to a virtual computer and used as a virtual computer console device.

[0003]

In such a virtual computer, it is necessary to arrange a sub-console device in the configuration of the real computer system as a console device for assigning to the virtual computer, and due to the nature of the console device. However, it has a drawback that it cannot be operated in a remote place.

The present invention eliminates such drawbacks, and an object of the present invention is to provide a virtual computer system having means for enabling a terminal device to be used as a virtual console device of a virtual computer system.

[0005]

The present invention provides a virtual computer system including a terminal having a session under a time-sharing system job, a virtual computer having a virtual console device, and a virtual computer monitor connecting the two. , The terminal has means for issuing a connection request for requesting connection with the virtual computer, and the virtual machine monitor has means for connecting the virtual console device and the terminal in response to the connection request and the connection The terminal has means for generating a connection end notification indicating termination, the terminal has means for receiving the connection end notification, and the virtual machine monitor stores display data to the virtual console device after connection with the virtual machine. A means for the terminal to output the transferred display data to the terminal is used as a means for extracting the display data from the virtual screen and transferring it to the terminal. Means for outputting all of the transferred display data on the screen and notifying that the next display data is waiting to be transferred, means for enabling this input when an input from the virtual console device occurs, and an input area Means for generating an input area opening notification indicating that the virtual machine is being opened, and the virtual computer monitor has means for stopping the display data transfer of the virtual screen from the virtual computer in response to the input area opening notification. , The terminal is means for transmitting a message input after the input area is opened to the virtual computer, and the virtual computer monitor is means for requesting the virtual computer to process an input message from the terminal and transmitted from the terminal. The terminal confirms the message reception notification by means for generating a message reception notification indicating that the message has been received by the virtual computer. Means for closing the input area of the terminal after this confirmation and means for generating a closing end notification indicating that the closing is completed, the virtual computer monitor displays the display data from the virtual screen in response to the closing end notification. To start the transfer again,
The terminal has means for issuing a disconnection request for disconnecting the virtual machine from the self-terminal when the use of the self-terminal as a virtual console is stopped, and the virtual machine monitor responds to the disconnection request by the virtual machine. And means for disconnecting the virtual console device from the terminal.

[0006]

When the virtual console device is operated by the terminal, the terminal device is used as the virtual console device by using the virtual computer connection request processing means 3 and the virtual computer connection processing means 13, and the virtual console display data transfer means is also used. Console display is performed using 15 and the terminal screen display means 5, and display / input control for the virtual console device is performed using the input area opening processing means 7, the input message transmission means 9 and the input area closing notification means 11. As a result, the terminal device can be used as a virtual console device even from a remote location without disposing the sub-console device in the real computer system.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing the configuration of the present invention.
In the session (terminal device) 1, virtual computer connection request processing means 3, virtual computer connection confirmation processing means 4, terminal screen display means 5, terminal screen display end notification means 6, input area opening processing means 7, input area opening notification. A means 8, an input message transmitting means 9, a message transmission confirming means 10, an input area closing notifying means 11 and a virtual machine disconnection request processing means 12 are arranged. Further, in the virtual machine monitor 2, the virtual machine connection processing means 13, the virtual machine connection notification means 14, the virtual console display data transfer means 15, the virtual console display data transfer stop means 16, the virtual machine message transmission means 17, the message reception notification. A means 18, an input area closing notification receiving means 19 and a virtual machine disconnection processing means 20 are arranged.

As shown in FIG. 1, this embodiment comprises a terminal having a session under the time-sharing system job, a virtual computer 23 having a virtual console device, and a virtual computer monitor 2 connecting both of them. The terminal includes a virtual computer connection request processing unit 3 that issues a connection request for requesting connection with the virtual computer 23, and the virtual computer monitor 2 connects the virtual console device and the terminal in response to the connection request. The virtual machine monitor 2 includes a computer connection processing unit 13 and a virtual computer connection notification unit 14 that generates a connection end notification indicating the end of this connection. The terminal includes a virtual computer connection confirmation unit 4 that receives the connection end notification.
Comprises a virtual console display data transfer means 15 for taking out display data from the virtual screen in which the display data for the virtual console device is stored after the connection with the virtual computer 23 and transferring the display data to the terminal. Terminal screen display means 5 for outputting data to the terminal, terminal screen display end notifying means 6 for outputting all the transferred display data on the screen and notifying that the next display data is waiting to be transferred,
When an input from the virtual console device occurs, an input area opening processing means 7 that enables this input and an input area opening notification means 8 that generates an input area opening notification indicating that the input area is being opened. The virtual computer monitor 2 includes a virtual console display data transfer stop means 16 for stopping the display data transfer of the virtual screen from the virtual computer 23 in response to the input area opening notification, and the terminal inputs after opening the input area. The virtual computer monitor 2 is provided with an input message transmitting means 9 for transmitting the generated message to the virtual computer.
The virtual computer message transmission means 17 for requesting the virtual computer 23 to process an input message from the terminal and the message reception communication means 18 for generating a message reception notification indicating that the message transmitted from the terminal has been received by the virtual computer 23 are provided. The terminal includes message transmission confirmation means 10 for confirming the message reception notification, and input area closing notification means 11 for closing the input area of the terminal after this confirmation and generating a closing end notification indicating that the closing is completed. The virtual machine monitor 2 includes an input area closing notification receiving means 19 for starting transfer of display data from the virtual screen again in response to the closing end notification, and the terminal stops using its own terminal as a virtual console. Request virtual calculation that issues a disconnection request to disconnect the above virtual machine from its own terminal Comprising a disconnection request processing unit 12, a virtual machine monitor 2, the virtual machine 2 in response to the disconnection request
3 and virtual computer disconnection processing means 20 for disconnecting the virtual console device from the terminal.

Next, the operation of this embodiment will be described. TS
When it becomes necessary to operate the virtual console device of the virtual machine in session 1 under the S job, the virtual machine connection request processing means 3 requests the virtual machine system to connect to the virtual machine 23. When this event is notified to the virtual computer system, in the virtual computer monitor 2, the virtual computer connection processing means 13 connects the session 1 to the virtual computer system, the virtual computer 23, and the virtual console device. After the mutual connection, the session 1
To notify. In session 1, the virtual computer connection confirmation processing means 4 receives and confirms this event. This makes it possible to use the terminal device as a virtual console device. In virtual machine monitor 2, session 1
After connecting the virtual console device to the virtual console device, the virtual console display data transfer means 15 extracts the unoutput data from the virtual screen 21 in which the display data for the virtual console device is stored and transfers it to the session 1. In session 1, after the terminal screen display means 5 outputs this data to the terminal screen and displays all the transferred data, the terminal screen display end notifying means 6 prompts the virtual computer system to transfer the non-output data. .. Further, when it becomes necessary to input from the virtual console device, in the session 1, the input area opening processing means 7 opens an input area on the terminal device, and the input area opening notifying means 8 opens the virtual computer system. Notify that session 1 is opening an input area. When the virtual machine monitor 2 receives this notification, the virtual console display data transfer stopping means 16 causes the virtual console display data transfer means 15 to stop the transfer processing of the virtual console display data from the virtual machine monitor 2 to the session 1. In session 1,
After opening the input area, a message is input, and the input message transmitting means 9 transmits the input message to the virtual computer system. When the virtual computer monitor 2 receives an input message from the terminal device, the virtual computer message sending means 17 sends it to the virtual computer 23 as a message from the virtual console device. Virtual computer 23
Processes the input message and outputs the result to the virtual console device. When the virtual console device is connected to the terminal device of session 1, the virtual computer monitor 2 displays the remote virtual console input / output conversion 2
2 outputs to the virtual screen 21. In the virtual machine monitor 2, the message reception notifying means 18 notifies the session 1 that the input message from the terminal device has been received and transmitted to the virtual machine 23. In session 1, the message transmission confirmation means 10 confirms that the input message is received by the virtual computer monitor 2. After that, the input area on the terminal device is closed, and the input area closing notifying means 11 notifies the virtual computer system to that effect. This event is accepted by the input area closure notification receiving means 19 of the virtual computer monitor 2, and is not output to the virtual console display data transfer means 15 again from the virtual screen 21 in which the display data for the virtual console device is stored. The process of taking out minute data and transferring to session 1 is started.

When it becomes unnecessary to operate the virtual computer 23 from the virtual console device, the session 1
Then, the virtual computer disconnection request processing means 12 requests the virtual computer system to disconnect from the virtual computer 23. The virtual machine monitor 2 receives this event, and disconnects the session 1, the virtual console device, the virtual machine 23, and the virtual machine system by the virtual machine disconnection processing means 20.

As described above, by connecting the session under the TSS to the virtual computer system, the virtual computer, and the virtual console device, it becomes possible to perform input / output operations using the terminal device as the console device of the virtual computer.

[0012]

As described above, the present invention provides the TSS.
When a subordinate session is connected to a virtual computer system, virtual computer, and virtual console device, the terminal device can be used as a virtual console device. There is an effect that the terminal device can be substituted as the virtual console device without arranging. Further, there is an effect that the virtual console device of the virtual computer can be operated from the terminal device at the remote place.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.

[Explanation of symbols]

1 session 2 virtual computer monitor 3 virtual computer connection request processing means 4 virtual computer connection confirmation processing means 5 terminal screen display means 6 terminal screen display end notification means 7 input area opening processing means 8 input area opening notification means 9 input message sending means 10 Message transmission confirmation means 11 Input area closing notification means 12 Virtual machine disconnection request processing means 13 Virtual machine connection processing means 14 Virtual machine connection notification means 15 Virtual console display data transfer means 16 Virtual console display data transfer stop means 17 Virtual machine message transmission means 18 message reception notification means 19 input area closure notification reception means 20 virtual machine disconnection processing means 21 virtual screen 22 reset virtual console input / output conversion (reset virtual console I / O conversion) 23 virtual computer

Claims (1)

[Claims] 1. A virtual computer system comprising a terminal having a session under a time-sharing system job, a virtual computer having a virtual console device, and a virtual computer monitor connecting the two, wherein the terminal is the virtual computer. Means for issuing a connection request for requesting connection with the virtual computer monitor, means for connecting the virtual console device and the terminal in response to the connection request, and a connection end notification indicating the end of the connection. The virtual computer monitor retrieves display data from the virtual screen in which the display data to the virtual console device is stored after connecting with the virtual computer. The means for transferring to the terminal, the terminal outputs the transferred display data to the terminal, the transferred display data A means to output everything on the screen and to notify that it is waiting for the transfer of the next display data, a means to enable this input when an input from the above virtual console device and an input area are open. The virtual computer monitor has means for generating a notification indicating that the input area is open, and means for stopping the display data transfer of the virtual screen from the virtual computer in response to the input area notification. The virtual computer monitor has means for transmitting a message input after opening to the virtual computer, the virtual computer monitor means for requesting the virtual computer to process an input message from the terminal, and the virtual computer receiving the message transmitted from the terminal. Means for generating a message receipt notification indicating that
The virtual machine monitor has means for confirming this message reception notification and means for generating a closing end notification indicating that the input area of the terminal has been closed and this closing has been completed. In response to the notification, a means for initiating the transfer of the display data from the virtual screen again, the terminal, when the terminal stops using the terminal itself as a virtual console, disconnection request to disconnect the virtual computer from the terminal itself. A virtual computer system, wherein the virtual computer monitor includes means for disconnecting the virtual computer and the virtual console device from the terminal in response to the disconnection request.