JPH02224056A - Automatic selecting system for job executing system - Google Patents

Abstract

PURPOSE:To prevent the generation of an error by selecting automatically an execution system, based on peripheral equipment control information of each computer system for constituting a loose coupling computer system at the time of analyzing a job, use peripheral equipment information of its job and desired executing system information. CONSTITUTION:By referring to a second storage device, all computer systems that can execute a job are retrieved in an executing system deciding part 5, and also, in a system state monitoring part 7, an operating state of each computer system is monitored periodically, and information therefrom is controlled in a job description information part 13 and a job description information control part 8. In such a state, the computer system concerned is selected automatically and a job is started without obtaining a user's decision, and in the case of the system is abnormal, its selection is changed, and the contents of a secondary storage device are also brought to registration change. In such a way, the generation of an error caused by a fact that the job is executed by the computer system in which a peripheral equipment to be used is not constituted, or which is in an unuseable state can be prevented.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides execution system information designation at the time of inputting di,'f,
The job description information including the desired execution system information specified by the f control statement is held in a secondary storage device that can be shared among multiple computer systems, and the job description information can be executed on each computer system based on this job description information. By selecting and starting a job, it is possible to perform zip control between a plurality of computer systems and to make effective use of system resources.

It maintains a secondary storage device fluζ that can be shared among multiple computer systems, including the operating status and load status of each computer system, and manages peripheral devices for each computer system. Retaining information on the main memory for each computer 17 stems1. -τ, relates to an automatic job execution system selection method in a loosely coupled computer system.

[Conventional technology]

In the conventional sujiring shared function, the desired execution system information (giapf, system number indicating the computer system to be executed) is obtained by analyzing the execution system specification job control statement in the job description submitted by the user. , if you want to distribute the load to make effective use of system resources, information indicating which computer system should be used to run it)
The description information based on t- is held on a secondary storage device that can be shared among multiple computer systems, and the starting part of the reporting system is held on the secondary storage device. 7
．． Based on f description information, jobs that can be executed on the own computer system are selected and activated.

[Problems to be Solved by the Invention] In the conventional method described above, the job starting unit of each computer system selects a job that can be executed by its own computer system based only on the desired execution system information included in the description information. Because it is selected and started, if the peripheral device used by the computer system is not configured or is not available, it will be set in the desired execution system information. specified that the job could be executed on any computer system, so a certain computer system determined that the job could be executed on its own computer system, and the job was The drawback is that if a peripheral device used in a computer system is not configured or is in an unusable state, an error will occur if the job is started on that computer system.

Also, the ninth way to avoid the above-mentioned situation: The user should know the configuration and status of the peripheral devices of each computer system that makes up the loosely coupled computer system, and then execute the job specified by the execution system. The disadvantage is that the control statement must specify the computer system in which the device is configured and ready for use.

Additionally, if a computer system is not running or has a heavy load, jobs set to run on that computer system may have to wait for a long time to execute until the computer system recovers. It has the disadvantage of being

In view of the above-mentioned points, an object of the present invention is to provide peripheral device management information of each computer system that constitutes a loosely coupled computer system;
By making it possible to automatically select an executable computer system based on the peripheral device information used for the job and the desired execution system information, it is possible to automatically select an executable computer system based on the peripheral device information used for the job and the desired execution system information. To prevent the occurrence of an error caused by executing a code f on a computer system in a normal state, to reduce the burden on the user, and to have the execution automatically executed on another computer system when a specific system is abnormal. An object of the present invention is to provide an automatic selection method for such an execution system.

[Means to solve gland M]

The job execution system automatic selection method of the present invention is applicable to multiple ! 1' On a secondary storage device that can be shared between computer systems, job description information including the desired execution system information and used peripheral device information of the input computer system, the operating status and load status of each computer system, an execution system determination unit that registers and maintains a copy of peripheral device management information of each of the computer systems and determines an executable computer system; a system status monitoring unit that monitors the operating status and load status of each computer system; a job description information management unit that records the job description information and the execution system information obtained by the execution system determination unit on a secondary storage device, and updates/restores the job description information according to a notification from the system status monitoring unit; It has a job starting section that selects and starts programs that can be executed on its own computer system based on job description information.

[Effect]

Referring to the secondary storage device, the execution system determining unit searches for all executable computer systems for The information and job description information are managed in the job description information management section, and the corresponding computer system is automatically selected and started without the user's judgment. Also, in the case of system abnormality, automatic You can also change the selection and change the registration of the contents of the secondary storage device.

〔Example〕

Next, the present invention will be explained with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of the automatic selection method of the zip execution system of the present invention. Referring to FIG. 1, this embodiment includes job description analysis section 1. Execution system determination unit 5° Peripheral device management information copying unit 6. System status monitoring unit 7. Job description information management section 8°, f startup section 9.8 side device management information area 10. Peripheral device management information Cheagle 11. Ji! lf
Startup table 12. System Status Cheagle 19. Ji, f
Input section 20. It is composed of an execution management section 21. Ji,! The description analysis section 1 is composed of a desired execution system information analysis section 2, a used peripheral device information analysis section 3, and an other job description analysis section 4. The start table 12 consists of entries that hold the job description information 13 for each job that is waiting to be started and is currently being executed. System information 1
5, execution system information @16, peripheral device information used 17
and 7″ status 18.

Furthermore, as shown in FIG. 2, a loosely coupled computer system is configured by sharing the secondary storage device 22 between II number of computer systems, and stores a peripheral device management information table 11, a job startup table 12, and a system status table. 19 is held on a secondary storage device 22 that is shared among a plurality of computer systems. In addition, m (natural number) is the system number of 1 computer system. It is assumed that 1 (a natural number) indicates the system number of another arbitrary computer system.

Figure 3 shows the execution system specification -) w program control statement (SNEED
It is a figure which shows the meaning of the system parameter of sentence). Here, the system parameter value k (natural [missing]) indicates the system number of the computer system (desired execution system) that executes the job. 9, system, dP parameter value ANY is di,! This indicates that it can be executed on any computer system.

Next, the operation of this embodiment will be explained with reference to the drawing fr:.

The peripheral device management information copying unit 6 copies peripheral device management information settings or updates of one computer system in the peripheral device management information area 10 on the main storage device onto a secondary storage device 22 that is shared among a plurality of computer systems. Peripheral device management information Daigle 1
Copy it to the area for your own computer system in 1.

When a command is input, the job input section 20 inputs the execution system specification command control statement and the 7-aisle definition statement.

The job description 23 including the request statement etc. is read in the peripheral device assignment, and the job description analysis section 1 sends it to the desired execution system information analysis section 2, the used peripheral device information analysis section 3, and the others, 17' description analysis. Analyze using section 4. After all job descriptions are analyzed, the job description analysis unit 1 calls the execution system determination unit 5f and uses its functions to set executable system information 15 and execution system information 16. By making this setting, the 7' description information 13 is completed.

The job description analysis unit 1 sends a job input notification to the job description information management unit 8 and passes job description information 13 thereto.

As shown in FIG. 4, the desired execution system information analysis unit 2 specifies the execution system specified in the description.

2 Analyze the control statement (INEJD statement). If system parameters are specified (process 401).

The parameter value is obtained (process 402), its validity is checked (process 403), and it is set in the desired execution system information 14 (process 404).

The used peripheral device information analysis unit 3 analyzes the file definition statement and the device allocation request statement in the j, f description 23, obtains used peripheral device information such as the device type of the peripheral device necessary for execution,
It is set in the used peripheral device information 17 in the job description information 13.

The execution system determination unit 5 is as shown in FIG.

First, peripheral device information 17 and peripheral device management information...
Based on the peripheral device configuration information in Guru 11.

Search for all computer systems in which all the peripheral devices necessary to execute the above steps are configured and available, that is, all computer systems that can execute the above step 2, and enter their system numbers in the executable system information 15. Setting process 501
), determine the number of executable computer systems (process 5
02). If the executable system is -, the system number of the searched computer system is stored in the execution system information 16.
(processing 503). If there are multiple executable systems, it is determined whether a specific system number or ANY is set in the desired system information 14 (processing 504). If it is set, it is determined whether the desired execution system number 14 is included in the executable system information 15 (processing 505), and if it is included, the desired execution system information 14 is set in the execution system information 16. Process 506), if it is not included, all of the executable system information 15 is set in the execution system information IG (process 507), and it is set as a target of load distribution. In process 504, the desired execution system person information 14 is set to ANY
If it is set, all of the executable system information 15 is set to the executable system information 16 (step 507), and is subject to load distribution.

In process 502, if there are no executable systems, the job is deleted as an error (process 508), and the user is notified of this (process 508).

The system status monitoring unit 7 is! As shown in Figure 6, the operating status of each computer system is periodically obtained from the system status team 19 (process 601), and if computer system h is not operating (process 602) or computer system h
is in an overload state (process 603), a system n abnormality occurrence notification fc is sent to the description information management unit 8 (process 6
04) If the computer system AB is operating and there is sufficient load, a system n normal operation notification is sent to the description information management unit 8 (process 605).

As shown in FIG. 7, when the 7F description information management unit 8 receives one notification (process 701), it determines all its types (process 702).

-) If it is a job input notification, all job description information 13,
2 Processing to register in the startup table 12 7o3)%Jo2''
A registration notification is sent to the job starting unit 9 (process 704).

If it is a system n normal operation notification, multiple system numbers including the system number n are set in the execution system number 16 from the startup table 12, and multiple system numbers including the system number n are set in the executable system information 15. If the system number is set and the status 1 is
8- Process 705) to search all the job description information 13 that is “waiting to start” 705), and search the retrieved job description information 13
Set the executable system information 15 excluding the system number n in the execution system information 16 (process 706), process to register the f description information 13 to the job startup team 12 (including the changed execution system information 16ft) 703
), sends a job registration notification to the job starting unit 9 (process 70
4), 11 If it is a system n normal operation notification, multiple system numbers including system number n are set in the executable system information 15 from the job startup team 12, and the job status 18 = 6 Waiting for startup. , f description information 13
707), the execution system determination unit 5t
7' Descriptive information 1
Executable system information 15 and execution system information 1 in 3
6. Process to reset 708), process to reset and register the relevant jump description information 13 including executable system information 15 and execution system information 16-i to job startup team 12 703), job registration notification is sent to the 17W startup unit 9 (process 704).

As shown in FIG. 8 and FIG.
When a notification is received (process 801), its type is determined (
Processing 802). If it is a job registration notification, the load status of the own computer system is obtained from the internal Cheagle, there is a margin in the negative situation of the own computer system (process 803), and furthermore, the job activation Cheagle 12 indicates the job that can be executed on the own computer system. , that is, the system number of the own computer system is included in the execution system information 16, and the status 18 is
;1 If a shore that is "waiting for startup" is registered (processing 804), a suitable software is selected from among them (processing 8
05) Start, send job start notification to execution management unit 21 (process 806), and set job status 1 of started
81-"In execution" process 807), and the multiplicity counter in the internal team is incremented by 1'j (process 808).

In the example of FIG. 9, J), pu b, ji, gu d, //@'. are the selection targets for zo, f activation. In this case, job 11 is selected and activated. In addition, when the storage unit 21 receives the completion notification, the shore description information 13tl of the job is deleted from the start team 12 (809), and the multiplicity counter in the internal database is Decrease by 1 (processing 810), and the same processing is performed thereafter (processing 803 to 5OS).

〔Effect of the invention〕

As explained above, the present invention allows a loosely coupled computer system to be used during digital analysis, including the peripheral device management information of each computer system (indicated by By automatically selecting an execution system based on execution system information, the following effects can be expected.

Even if a job is submitted that uses a peripheral device that is not configured or is not available on one computer system, it may be executed on another computer system where the device is configured and available. Can be done.

Users can effectively utilize a loosely coupled computer system without knowing the peripheral device management information of each computer system.

Furthermore, even if a certain computer system is not running or has a heavy load, other computers can be Can be made to run on executable computer systems in winter.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing the configuration of an embodiment of the job execution system automatic selection method of the present invention. FIG. 2 is a diagram showing an example of a loosely coupled computer system to which the job execution system automatic interpretation method of the present invention is applied. FIG. 3 shows the meaning of the system meter as an example of one control statement specifying the execution system. @Figure 4 is a diagram showing the flow of processing of the desired execution system information analysis section in Figure 1. FIG. 5 is a diagram showing the processing flow of the execution system determining section in FIG. Figure 6 is a diagram showing the processing flow of the system status monitoring section in Figure 1. FIG. 7 is a diagram showing the processing flow of the shore description information management section in FIG. 1. Figure 8 shows the flow of processing in the job start section in Figure 1).
・This is an acceptable diagram. FIG. 9 is a diagram showing an example of a job activation table. 1... zo, l12"' description analysis section, -2... desired execution system information analysis section 1.3... use 1B'H factor 1゛, lso saka゛・t°・"・24th 1jL4...and others lol! Description analysis unit, 5... Execution system determination unit,
6... Peripheral device management information copy unit, 7... System status monitoring unit, 8... Shore description information management unit, 9... Ji, 2 startup unit, 1o... Peripheral device management information area, 11・
... Peripheral device management information table, 12... Job startup table, 13... Zip description information, 14... Desired execution system information, 15... Executable system information @,
16...Execution system information, 17...Peripheral device information used, 18...Job status, 19...System status team! 20... Zip input section, 21...
・Execution management department. Agent Patent Attorney Jo Taira Yamashita Figure 8-1

Claims (1)

[Claims] In a loosely coupled computer system in which peripheral device management information of each computer system is held on the main storage device for each system, input information is stored on a secondary storage device that can be shared among multiple computer systems. job description information including the desired execution system information and used peripheral device information for the job, the operating status and load status of each computer system, and a copy of the peripheral device management information of each computer system, and execute the job. an execution system determination unit that determines possible computer systems; a system status monitoring unit that monitors the operating status and load status of each computer system; and a secondary system that uses the job description information and execution system information obtained by the execution system determination unit. A job description information management unit that is registered on the storage device and updated/restored based on notifications from the system status monitoring unit, and a job startup that selects and starts jobs that can be executed on the own computer system based on the job description information. An automatic job execution system selection method comprising: