JPH09288655A - Processor extension method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To add the processor of a new kind on-line and to perform extension with improved maintenance operation efficiency in a multiprocessor system. SOLUTION: A master processor 8 receives processor extension signal transmitted from a terminal 1, and when the processor kind is new, the new kind is added and updated to a processor kind management table 3. Also, for an activation program for the new processor kind, a part in common with the activation program of an existing slave processor is diverted as it is, a different part intrinsic to an extension slave processor is newly added to an activation program individual part 7 and the title is written in an activation program management table 5. Then, by using the programs of both common part and intrinsic part, an extension processor is started.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of adding a processor in a switch or the like using a multiprocessor system, and more particularly to a method of adding a processor when adding a new processor different from the existing one.

[0002]

2. Description of the Related Art Conventionally, in a switching system having a multiprocessor structure, when a load is newly increased or a function is added and a processing capacity is insufficient, a corresponding processor is additionally installed.

FIG. 7 is a block diagram showing an example of the configuration of a system to which the conventional method for adding a processor is applied. Referring to FIG. 7, the terminal 1 is a maintenance terminal that inputs and outputs necessary signals and data. Slave processor 10
12 to 12 perform different functions and are connected to the master processor 17 via the bus 9. In this example, the slave processor 12 is an additional processor. The master processor 17 holds a type list 18 of slave processors under management in an internal storage unit (not shown) and controls the entire system.

The hard disk 13 stores data required when the system is restarted, and a processor mounting table 1 for holding slave processor mounting position information.
4 and a boot program management table 1 holding boot program name information for booting the slave processor
5, a boot program 6 commonly used for booting each slave processor, and a boot program individual section 16 corresponding to the type of each slave processor and used individually.

Next, the operation will be described. The master processor 17 receives the processor addition instruction signal from the terminal 1,
It is checked with the processor type list 18 to identify whether the type of the slave processor 12 to be added is an existing type or a new type. If it is the same as the existing type, the mounting position and processor type of the additional slave processor 12 are added to the processor mounting table 14, and the boot program management table 15, the boot program common unit 6, and the individual unit 16 are added.
Is used to start the additional processor, and the terminal 1 is notified of a response as a normal end. If the processor type is new,
The master processor 17 notifies the terminal 1 of abnormal termination.

As described above, in the conventional method of adding a processor, it is not necessary to rewrite the processor type incorporated in the program data of the master processor 17 and its boot program name only when adding a slave processor of the same type as the existing one. , Online expansion was possible.

[0007]

According to this conventional processor extension method, when a slave processor is added and a new type of processor different from the existing one is added, the processor type and its boot program name are added. The program data of the master processor must be rewritten to this, which makes it impossible to execute online.
Due to the update of the program data, it is necessary to restart the exchange, which is not preferable for maintenance and operation.

SUMMARY OF THE INVENTION An object of the present invention is to provide a processor extension method capable of adding a new type of slave processor on-line in a multiprocessor system and permitting an efficient maintenance operation.

[0009]

SUMMARY OF THE INVENTION In the processor adding method of the present invention, a master processor that manages and controls the entire system retains program data of a plurality of slave processors that are connected via a bus and perform processing with different functions. In the processor expansion method for executing the loading of the boot program to the slave processor when restarting the system and adding the slave processor to the system, a signal instructing the expansion of the slave processor is received from the terminal, and the slave processor When the type is determined and it is determined that the type is new, the name and type are added to the processor type management table provided in the external storage unit, and the processor mounting position added to the processor mounting table is added. Add a new type Of the boot programs for the added slave processor, the names of the boot programs of individual parts other than the programs common to the existing slave processors are added to the boot program management table, and the contents of the programs of these individual parts are added to the storage means. After that, to notify each slave processor managed by the master processor that a processor will be added, the slave processor to be added is started using the common program and the startup program of the individual part, When normally executed, the terminal is notified of a response indicating completion of startup.

[0010]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram of a system to which an embodiment of the method of adding a processor of the present invention is applied. A plurality of slave processors 10 to 12 are connected to a master processor 8 via a bus 9 and are connected to the master processor 8. A maintenance terminal 1 and a hard disk 2 used for reading and writing data such as programs are connected. In this case, the slave processor 12 is an additional processor. The slave processor corresponds to, for example, call processing, common line signal processing, and machine control in an exchange having a multiprocessor configuration, and the master processor 8 controls the entire system including these slave processors.

The hard disk 2 has a processor type management table 3, a processor mounting table 4, a boot program management table 5, a boot program common section 6, and a boot program individual section 7. The processor type management table 3 is a data file in which processor names and processor types are associated with each other, and is stored in the hard disk 2. When the system is started up, these data are read out, expanded in a memory (not shown) of the master processor 8, and saved in the hard disk 2 as needed with each additional update of the slave processor.

The processor mounting table 4 is a data file that clearly indicates at which position and what type of slave processor is mounted, and is stored in the hard disk 2. When the system is started up, these data are read out, expanded in a memory (not shown) of the master processor 8, and saved in the hard disk 2 as needed with each additional update of the slave processor.

The boot program management table 5 is a data file in which a boot program type indicating the name of a part commonly used by each slave processor and a unique part is clearly indicated in correspondence with the processor type, and is stored in the hard disk 2. There is. When the system is started up, these data are read out, expanded in a memory (not shown) of the master processor 8, and saved in the hard disk 2 as needed with each additional update of the slave processor.

The boot program common unit 6 stores the contents of a program commonly used by each slave processor, and the boot program individual unit 7 stores the program contents unique to each slave processor.

The processing procedure of the embodiment of the method for adding a processor of the present invention will be described below with reference to FIGS.

First, the master processor 8 receives the processor addition instruction signal transmitted from the terminal 1 (step 1: abbreviated as S1) and checks whether the slave processor 12 to be added is of the existing processor type. Yes (S2). A processor name, a processor type, a mounting position, and a startup program name are set in the processor addition instruction signal.

When the additional processor is of a processor type other than the existing one, the master processor 8 additionally updates the processor name and processor type to be added to the processor type management table 3 (S3), and determines whether or not the processing has been normally executed. Yes (S4).

After the addition and update to the processor type management table 3 is normally completed, the mounting position and the processor type of the processor are added and updated to the processor mounting table 4 to define the mounting of the additional processor 12 (S5). It is determined whether it has been normally performed (S6).

Next, the individual boot program data unique to the additional processor necessary for booting the additional processor 12 is added to the individual boot program section 7, and the individual name is additionally updated in the boot program management table 5 (S
7), it is determined whether or not the process has been normally performed (S
8). Then, it notifies each slave processor 10, 11 managed by the master processor 8 that the slave processor 12 will be added. At this time, it is determined whether or not the processor to be added is installed in the exchange (S9). If it is not installed, the processor to be added is not started up, and only the terminal 1 is normally terminated. If the notification is made (S11), and if it is already installed in the exchange, the additional processor 12 is started up using the common part of the startup program and the individual part corresponding to the additional processor (S10), and the normal termination is made a response as a response 1 is notified (S11).

If an abnormal termination occurs during the processing up to this point, the master processor 8 sets the processor type management table 3, the processor mounting table 4, the startup program management table 5, and the startup program individual section 7 to the state before updating. Return all (S12), fail to add processor
(S13). When the master processor 8 receives an instruction to add to the slave processor already mounted, it recognizes that an abnormal parameter has been received and notifies the terminal 1 of the failure of the processor addition process.

When the type of the additional processor is the same as the existing type in the processing of step 2, the mounting position and the type of the additional processor are additionally updated in the processor mounting table 4 (S14) to check the normality of the processing. After confirming (S15), the terminal 1 is notified of normal termination (S11).

In the present embodiment, an application example of adding a processor in an exchange having a multiprocessor configuration is shown.
It can also be applied to expansion in a similar multiprocessor system in the information processing field, which is composed of a master processor and a plurality of slave processors.

[0024]

As described above, according to the present invention, in the system using the multiprocessor system, if the master processor receives the processor addition instruction signal transmitted from the terminal and the processor type is new, the master processor This new type is added to and updated in the processor type management table managed by, and the start program for this new processor type uses the same parts as the start program of the existing slave processor as is, and is unique to the additional slave processor. A new type of processor can be added online by using the program of both the common part and the unique part, and the new type can be added online. It is possible to install more efficiently.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a system to which an embodiment of a processor adding method of the present invention is applied.

FIG. 2 is a diagram showing a storage example of a processor type management table according to the embodiment of the present invention.

FIG. 3 is a diagram showing a storage example of a boot program management table according to the embodiment of the present invention.

FIG. 4 is a flowchart showing a processing procedure of the embodiment of the processor addition method of the present invention.

FIG. 5 is a flowchart showing a processing procedure of the embodiment of the processor addition method of the present invention.

FIG. 6 is a flowchart showing a processing procedure of the embodiment of the processor addition method of the present invention.

FIG. 7 is a block diagram showing a configuration example of a system to which a conventional processor extension method is applied.

[Explanation of symbols]

 1 terminal 2 hard disk 3 processor type management table 4 processor implementation table 5 startup program management table 6 startup program common section 7 startup program individual section 8 master processor 9 bus 10 to 12 slave processor

Claims (1)

[Claims] 1. A master processor that manages and controls the entire system holds program data of a plurality of slave processors that are connected via a bus and perform different functions, and the master processor is activated when the system is restarted. In the processor adding method of executing the loading of the program and adding the slave processor to the system, the signal instructing the addition of the slave processor is received from the terminal, the type of the slave processor is judged, and the type is new. When it is determined that the slave is added, the name and the type are added to the processor type management table provided in the external storage unit, the mounting position and the type of the added processor are added to the processor mounting table, and the newly added slave is added. Startup program for processor The master processor manages the names of the start programs of individual parts other than the programs common to the existing slave processors in the boot program management table and adds the contents of the programs of the individual parts to the storage means. Notifying each slave processor that the processor is to be added, the slave processor to be added is started up using the common program and the startup program of the individual part, and when it is executed normally, the terminal A processor expansion method characterized in that a response indicating completion of startup is notified to the.