JP3265540B2 - Operation control method of computer system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation control system for an electronic computer system, and more particularly to a large-scale operation system including a plurality of central processing units including a virtual computer system operable by being divided into a plurality of logical processors and a group of peripheral devices. The present invention relates to an operation control method for an electronic computer system.

[0002]

2. Description of the Related Art A conventional operation control system of an electronic computer system does not deal with state control inside a central processing unit including a virtual computer system. As a known document relating to the operation control system of this type of system, there is, for example, a system described in JP-A-59-128657. Further, state control inside the central processing unit including the virtual computer system is performed by a service processor connected to the central processing unit. Known documents related to this type of technology include, for example,
Japanese Patent Application Laid-Open No. 3-142424 discloses a "screen division method of a virtual machine console device".

[0003]

In the above-mentioned prior art, the physical processor and the logical processor in one central processing unit can be managed collectively on a service processor, but the physical processors and the logical processors in a plurality of central processing units can be managed. There is a disadvantage that the state control of the logical processor cannot be performed collectively. An object of the present invention is to provide a central processing unit (hereinafter abbreviated as a virtual computer (LPAR)) operable by dividing into one or more logical processors, and a central processing unit (hereinafter, abbreviated as a logical processor (LPAR)). A non-virtual computer is abbreviated.). Another object of the present invention is to divide a virtual machine operating in an operation mode (hereinafter abbreviated as LPAR mode) operating into one or more logical processors and one or more logical processors. It is an object of the present invention to provide a system operation support device that can control a virtual machine operating in an operation mode (hereinafter, abbreviated as a BASIC mode) that operates without being mixed. Another object of the present invention is to
An object of the present invention is to provide an operation control method of an electronic computer system that can centrally manage the operation modes of a plurality of central processing units in one system operation support device. Further, another object of the present invention is to provide a system operation support device, wherein an operator or a management host controlling an electronic computer system controls
An object of the present invention is to provide an operation control method of an electronic computer system that can easily and collectively control the entire electronic computer system in which the LPAR mode / BASIC mode and the virtual computer / non-virtual computer are mixed.

[0004]

To achieve the above object, the present invention provides an electronic computer having a system operation support device for controlling the operation of an electronic computer system having at least one central processing unit and a group of peripheral devices. In the system, first storage means for storing, in the system operation support device, CPU type identification information for identifying whether each central processing unit can be divided into one or more logical processors and is operable or indivisible physical processor type. And second storage means for storing operation mode identification information for discriminating whether or not the operation mode is such that each central processing unit operates by being divided into one or more logical processors. Accordingly, referring to the information in the first and second storage means, a state control command for a physical processor or a state control command for a logical processor is referred to. The selection, a central processing unit control section for sending generated by the corresponding central processing unit, and to perform the state control of the central processing unit. Further, the central processing unit control section of the system operation support device generates and responds to a command for instructing a change of the operation mode in response to an instruction for a change of the operation mode of the central processing unit from the host device. A command to be sent to the central processing unit is executed, and the operation mode identification information in the second storage means is updated when the command is executed. Further, the central processing unit control section of the system operation support device executes a command for generating a command for the central processing device to change the operation mode and for communicating the changed operation mode and sending the command to the system operation support device. When the command is received, the operation mode identification information in the second storage means is updated when the command is received.

[0005]

According to the operation control method of the electronic computer system of the present invention, the central processing unit is a virtual computer or a non-virtual computer by having CPU type identification information in the system operation support device. Even if the state control instruction is given without distinguishing between the two, the state control command is selected by determining whether the central processing unit is a virtual computer or a non-virtual computer based on the CPU type identification information in the system operation support device. To the central processing unit. In addition, by having the operation mode identification information inside the system operation support apparatus, even if the host gives a state control instruction without knowing the operation mode of the central processing unit, the state suitable for the operation mode can be obtained. A control command can be selected to instruct the central processing unit. In addition, an inquiry command is issued at the time of initial startup of the system operation support apparatus to initialize the operation mode identification information, and thereafter, when an operation mode change instruction is issued from the system operation support apparatus, the central processing is performed. Since the operation mode is updated when the operation mode is changed on the device side, the operation mode of a plurality of central processing units can be centrally managed by the system operation support device.
Also, a state control instruction can be issued without being aware of the operation mode / CPU type of the central processing unit at a higher level.

[0006]

FIG. 1 is a schematic block diagram showing an operation control method of an electronic computer system according to an embodiment of the present invention. FIG. 2 is an explanatory diagram showing CPU type identification information and the like in a system operation support device in this embodiment. FIG. 3 is an explanatory view showing the operation mode identification information and the like in the system driving support device, FIG. 4 is an explanatory diagram showing a control command format in the system driving support device, and FIG. FIG. 6 is an explanatory diagram showing a procedure for setting and updating the operation mode identification information, and FIG. 7 is a flowchart showing an IPL process.

First, the configuration of the operation control system of the computer system according to the present embodiment will be described with reference to FIG. The computer system according to the present embodiment includes at least one central processing unit (non-virtual computer 2 or virtual computer 3) to be controlled.
And a system operation support device (hereinafter abbreviated as CSC) 1 which is a processor for operation control and an operation unit 13 for an operator to instruct the system operation support device 1 or the entire computer system. The management host 14 is a processor. The service processor SVP4 is a part in the non-virtual computer 2 that performs state control such as IPL and reset of the non-virtual computer 2. When the operation mode of the virtual machine 3 is in the LPAR mode, the service processor SVP5 is provided in the virtual machine 3 via the hypervisor (firmware for managing a plurality of logical processors) 6.
a, 7b,..., 7c are controlled by IPL, reset, etc., and the operation mode of the virtual machine 3 is BASIC.
In the mode (at this time, the hypervisor 6 is not loaded), this is a part for performing state control such as IPL and reset of the physical processor 3. CSC1 is an SVP of the non-virtual computer 2 at the CPU control interfaces 101 and 102.
4. Connect to the SVP 5 of the virtual computer 3 to remotely control the operating state of the non-virtual computer 2 and the virtual computer 3. Also,
The CSC 1 is a host control unit 12 for performing input / output control between the operation unit 13 and the management host 14, and the SV of the non-virtual computer 2.
P4, which is composed of two logical blocks of the central processing unit control unit 8 for performing input / output control with the SVP 5 of the virtual machine 3,
In the SC1, a CPU information definition file 9 including CPU type identification information for identifying whether the type of the central processing unit is a non-virtual computer or a virtual computer, and the operation mode of the virtual computer is an LPAR mode , A CPU information management table 10 including operation mode identification information for identifying which one of the BASIC modes, a control command group for performing remote control of the operation state of the non-virtual computer 2 and the virtual computer 3 11 is stored. Then, the central processing unit control unit 8
Receives an operator's instruction from the operation unit 13 or an instruction from the management host 14, generates a control command by referring to the CPU type identification information, the operation mode identification information, and the control command group. Interface 101, 102
To the SVPs 4 and 5 to enable remote control of the operating state of the non-virtual computer 2 and the virtual computer 3.

Subsequently, the CPU stored in the CSC 1
The information definition file 9 and the CPU information management table 10 will be described with reference to FIGS. FIG. 2 shows an example of the format of a CPU information definition file held in the CSC. The system number 201 is the logical processor 7a, 7 of the non-virtual computer 2 or virtual computer 3 connected to CSC1.
b,..., 7c are serial numbers and system names 202 are unique names given to the physical processors 2 of the non-virtual computer 2 or the logical processors 7a, 7b,. The type 203 is CPU type identification information for identifying whether the central processing unit is the non-virtual computer 2 or the virtual computer 3. The trunk number 204 is address information indicating the connection position of the CPU control interfaces 101 and 102 in the CSC, and the LPAR number 205 is the inside of the virtual computer 3 assigned to the logical processors 7a, 7b,. Is the management number. These are all fixed information. The value of the CPU type 203 in FIG. 2 is “B”
In this case, the central processing unit is the non-virtual computer 2, and when the value of the CPU type 203 is “V”, the central processing unit is the virtual computer 3.

FIG. 3 shows an example of a format of a CPU information management table provided in the CSC. In this table, except for the operation mode, the CPU information definition file shown in FIG.
The system name 207 and the CPU type 208 are the system number 201, the system name 202, and the CPU
This is a copy of the type 203. Also, the trunk number 210,
The LPAR numbers 211 are respectively the trunk numbers 2 in FIG.
04, a copy of LPAR number 205. The operation mode 209 is operation mode identification information for identifying whether the operation mode of the virtual machine 3 is the LPAR mode or the BASIC mode. When the value of the operation mode 209 in FIG. 3 which is variable information is "B", it means that the virtual machine 3 is in the BASIC mode, and the value of the operation mode 209 is "L". In this case, it means that the virtual machine 3 is in the LPAR mode. When the virtual machine 3 is in the power-off state, the value of the operation mode 209 becomes "N", indicating an uncertain state. The setting of the operation mode identification information will be described later.

Next, the format of the control command group 11 for performing CPU control and the conditions for its determination will be described with reference to FIGS. FIG. 4 shows the format of a control command for performing remote control of the operating states of the non-virtual computer 2 and the virtual computer 3. C
The SC1 has two types of control commands for remote control of the operating states of the non-virtual computer 2 and the virtual computer 3. Format 1 is a control command format for the non-virtual computer 2, and is an operation code (CODE) for designating a requested operation.
301 and its additional information (AINF) 302.

A format 2 is a control command format for the virtual machine 3 and is an operation code (COD) for designating a requested operation.
E) 303, command length (LENGTH) 304 for designating the length of the control command, operation code (CODE) 30
, An additional information AINF1 (305) of the virtual machine 3 and an LPAR number (LP) that designates a management number in the virtual machine 3 assigned to the logical processors 7a, 7b,.
RNO) 306, hypervisor 6 is logical processor 7
.., 7c for additional state control (AINF2) 307.

FIG. 5 shows conditions for determining the control command format. When the value of the CPU type 203 is “B” (step 401)
In the case of (1), the central processing unit is the non-virtual computer 2, and uses the command of the format 1 (step 403).

When the value of the CPU type 203 is "V" (step 401) and the value of the operation mode 209 is "B" (step 402), the central processing unit is the virtual computer 3 but the BASIC. Since the mode is a mode and a function equivalent to the non-virtual computer 2 is realized, a format 1 command is used (step 404). When the value of the CPU type 203 is "V" (step 401) and the value of the operation mode 209 is "L" (step 402), the central processing unit is the virtual computer 3 and is in the LPAR mode. , A format 2 command is used (step 405).

Next, the procedure for setting / updating the operation mode identification information indicated as the operation mode 209 of the CPU information management table 10 in the central processing unit control section 8 of the CSC 1 will be described with reference to FIG. In FIG. 6, when the power of the CSC 1 is turned on (P.on) 510, the power is turned off (P.off) 51.
1 shows the conditions under which the operation mode identification information 10 of the virtual machine 3 inside the CSC 1 changes. When the power of the CSC 1 is turned on (P.on) 510, the central processing unit control unit 8 sends an operation mode to all the virtual machines 3 connected to the CSC 1.
An operation mode inquiry command for inquiring a mode is issued (501). This command is of the form 2
The operation code (CODE) may be specified using the control command of (1). When the virtual machine 3 is in the power-off state, the operation mode identification information 10 is set to "N" (undefined state). Of course, when the virtual machine 3 is in the power-on state, "B" or "L" is set in response to the operation mode inquiry command. Next, virtual machine 3
When the central processing unit control unit 8 detects a change in the power state of the virtual machine 3 (P.on) at power-on (P.on) 512 (502) (502), the central processing unit control unit 8 executes Then, an operation mode inquiry command is issued to the device 3 (503), and the response is received (504) to update the operation mode identification information. In the example of FIG. 6, the virtual machine 3 is L
Since the operation is started in the PAR mode, "L" is set in the operation mode identification information (operation mode 209). Next, when the operation mode of the virtual machine 3 is changed from the CSC1, an operation mode change command for instructing the change of the operation mode is issued from the CSC1 (505), and the response is received. (506), the operation mode identification information is updated when the operation ends normally. In the example of FIG.
Is changed to the BASIC mode, "B" is set in the operation mode identification information. When the operation mode is changed on the virtual machine 3 side instead of the change instruction from the central processing unit control unit 8, the virtual machine 3 notifies the operation mode change result from the virtual machine 3 side. The operation mode change notification command is received (507), and the operation mode identification information is updated. In the example of FIG. 6, since the virtual machine 3 is changed to the LPAR mode, "L" is set in the operation mode identification information. Next, when the virtual machine 3 is powered off (P.off) 513, the central processing unit control unit 8 detects a change in the power state of the virtual machine 3 (P.off) (508). 8 updates the operation mode identification information to "N" (undefined state). As mentioned above,
When the power of the CSC 1 is turned on, the operation mode of each virtual machine 3 is constantly updated and stored as the operation mode identification information inside the CSC 1.

Next, the processing in this embodiment will be described with reference to FIG. FIG. 7 shows an example of an IPL processing flow of a specific central processing unit (non-virtual computer 2 or virtual computer 3) by the management host. First, the management host 14 specifies the name of the central processing unit (non-virtual computer 2 or virtual computer 3) to be controlled (step 601), and furthermore, IP which is one of the CODE types
CODE "IPL" indicating L is designated (step 602), and CSC1 is started (step 603). C
In SC1, the host controller 12 receives this and sends it to the central processing unit controller 8. In the central processing unit controller 8,
First, the CPU information management table is stored in the system name 207.
Are searched as a key, and the CPU type 208 and the operation mode 209 are determined (step 604). Next, it is checked whether the control type received from the upper control unit 12 is a command executable in the CPU type 208 and the operation mode 209 of the central processing unit to be controlled. Here, if the command is invalid in the CPU type or the operation mode (step 605), a response indicating an invalid command is created, and the response is generated via the higher-level control unit 12 to the management host 14.
(Step 606). As an example of the illegal command, when an operation mode change command for instructing the non-virtual computer 2 to change the operation mode is specified,
In addition, when the operation mode of the virtual machine 3 is the LPAR mode, an operation mode change command for instructing to change the operation mode to the LPAR mode is specified. If the command is valid in the CPU type or the operation mode (step 605), the following processing route changes depending on the CPU type and the operation mode (steps 607 and 608). The CP
If the value of the U type is "B", that is, the non-virtual computer 2 (step 607), first, the CPU information management table is searched using the system name 207 as a key, and the trunk number 210 is determined (step 607). Step 609), a control command is created in format 1 using this (step 610), and S
This is sent to the VP 4 to perform state control (step 611), and receives a control result (normal end / abnormal end) from the SVP 4, creates a response, and returns the response to the management host 14 via the upper control unit 12 (step 611). Step 612).

Next, when the value of the CPU type is "V", that is, the virtual machine 3 (step 607), and the value of the operation mode is "B", that is, the BASIC mode (step 608). Similarly, when the value of the CPU type is “B”, that is, the non-virtual computer 2 (step 607),
The CPU information management table is searched using the system name 207 as a key, the trunk number 210 is determined (step 609), and a control command is created in the format 1 using the trunk number 210 (step 610). This is sent to cause state control (step 611), a response is received in response to the control result (normal end / abnormal end) from the SVP 5, and a response is created and returned to the management host 14 via the upper control unit 12 (step 612). ). If the value of the CPU type is "V", that is, the virtual machine 3 (step 607), and the value of the operation mode is "L", that is, the LPAR mode (step 608), the CPU The information management table is searched using the system name 207 as a key, and the trunk number 210,
The LPAR number 211 is determined (step 613), and using this, a control command is created in format 2 (step 6).
14) Send this to the SVP 5 to control the state (step 615), receive a control result (normal end / abnormal end) from the SVP 5, create a response, and create a response.
It returns to the management host 14 via 2 (step 616). As described above, the central processing unit control unit 8 of the CSC 1
CPU type 208 set in the PU information management table,
By referring to the operation mode 209 updated as necessary, control can be performed by selecting an appropriate control command format according to the CPU type 208 of the central processing unit and the operation mode 209. . Therefore, according to the operation control method of the computer system of the present embodiment, the virtual computer /
Central processing unit different from non-virtual computer and BAS
The operation control of an electronic computer system in which virtual computers having different IC modes / LPAR modes and operation modes coexist can be realized.

Although the present invention has been described based on the embodiments, it is needless to say that the present invention is not limited to the above-described embodiments and can be variously modified without departing from the gist thereof. For example, in the operation control method of the computer system according to the present embodiment, the operation unit 13 for the operator and the management host 14 are connected as upper devices, but either one of them may be used, or the network may be used. -May be connected to the network.

Further, other control functions may be mounted together with the system driving support device 1, or another control target device may be connected.

[0019]

The following is a brief description of the typical effects obtained by the present invention. (1) The operation modes of a plurality of central processing units can be centrally managed from the system operation support device. (2) CPU type (virtual computer / non-virtual computer) and operation mode (LPAR mode / BA)
A plurality of central processing units having different SIC modes can be connected together. (3) The operator is a CPU type (virtual computer / non-virtual computer) and an operation mode (LPAR mode / BASIC mode).
The state of a plurality of central processing units can be remotely and centrally controlled from the system operation support device without distinction between the two. (4) The operation mode / CPU of the central processing unit at the management host
Automatic centralized control of a plurality of central processing units can be easily performed regardless of the type. (5) Since the management host can instruct the change of the operation mode of the central processing unit, the opportunity for manual intervention is reduced,
Labor saving can be achieved. (6) The system operation support device determines whether the command specified by the management host or the operator is valid in the current operation mode by distinguishing between the virtual computer and the non-virtual computer of the central processing unit. Since a command can be checked out, it is possible to eliminate the influence on the system due to an erroneous operation.

[Brief description of the drawings]

FIG. 1 is a schematic block diagram showing an operation control method of an electronic computer system according to an embodiment of the present invention.

FIG. 2 shows C in the system driving assistance device according to the embodiment.
FIG. 14 is a diagram showing a format of a CPU information definition file for indicating PU type identification information and the like.

FIG. 3 is a diagram showing a format of a CPU information management table for indicating driving mode identification information and the like in the system driving support device in the present embodiment.

FIG. 4 is a diagram showing a format of a control command in the system driving support device in the embodiment.

FIG. 5 is a diagram showing conditions for determining a control command format in the embodiment.

FIG. 6 shows setting and setting of operation mode identification information in the present embodiment.
It is a figure showing an update procedure.

FIG. 7 is a diagram showing a flowchart showing an IPL process in the embodiment.

[Description of Signs] 1 System operation support device (CSC) 2 Non-virtual computer 3 Virtual computer 4 SVP (SVP of non-virtual computer) 5 SVP (SVP of virtual computer) 6 Hypervisor 7a, 7b, ..., 7c Logical processor Reference Signs List 8 central processing unit control unit 9 CPU information definition file 10 CPU information management table 11 control command group 12 upper control unit 13 operation unit 14 management host 101 CPU control interface (non-virtual computer) 102 CPU control interface (virtual computer) )

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-5-158721 (JP, A) JP-A-6-19748 (JP, A) JP-A-3-202923 (JP, A) JP-A-2-202 210542 (JP, A) (58) Field surveyed (Int. Cl. ⁷ , DB name) G06F 1/00 370 G06F 9/46 350 G06F 15/163

Claims (3)

(57) [Claims] 1. A computer system comprising a system operation support device for controlling operation of an electronic computer system comprising at least one central processing unit and a peripheral device group, wherein the system operation support unit includes one central processing unit. The first storage means for storing CPU type identification information for identifying a type that can be divided into operable types and a physical processor type that cannot be divided, and each central processing unit is divided into one or more logical processors. The second storage means for storing the operation mode identification information for identifying whether the operation mode is the operation mode or not, and the information in the first and second storage means are referred to in response to an instruction from the host device. To select and generate a state control command for a physical processor or a state control command for a logical processor and send it to the corresponding central processing unit. It includes a processor control unit, the operation control method of the computer system and performs status control of each central processing unit. 2. The operation control method for an electronic computer system according to claim 1, wherein the central processing unit control unit of the system operation support device responds to an instruction from the host device to change the operation mode of the central processing unit. Generating a command for instructing the change of the operation mode and sending the command to the corresponding central processing unit, and updating the operation mode identification information in the second storage means when the command is executed. Operation control system of a computer system. 3. The operation control method for an electronic computer system according to claim 1, wherein the central processing unit control unit of the system operation support device changes the operation mode by the central processing unit and the changed operation mode. Operating command identification information in the second storage means is updated when a command for generating and sending a command to the system operation support device is executed, when the command is received. method.