JPS62219041A - High speed system restart processing system - Google Patents

Abstract

PURPOSE:To shorten considerably the time required for system restart by generating data files collectively on a memory. CONSTITUTION:As the first pattern, pertinent basic data records in basic data field 110 and 111 are collectively read to determined positions of a file generation area 106 of a memory 104 by the read pattern in generation procedures of a generated data file 109 as the first pattern. As the second pattern, all of a basic data file 112 or plural basic data records are read first and a basic data record group is written on the basic data file 112 after all of the generated data files are terminated if it is necessary to refer to or set an optional basic data record for the purpose of generating the generated data file besides the relation to generation procedures of the generated data file 109 and basic data files 110 and 111.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a high-speed system restart processing method when a large amount of data is generated when restarting an electronic computer system.

[Conventional technology]

Resuming a system that generates data in conjunction with the data files when the system has multiple data files on a conventional randomly accessible auxiliary storage device (hereinafter referred to as disk) and is restarted due to a system failure. The processing method is to transfer the corresponding code of each data file to a volatile storage device (hereinafter referred to as memory),
The desired record was generated based on the generation procedure between each record.

The above conventional system restart processing method will be explained with reference to FIG. In the figure, (201') is a memory, (205) is a disk, and these are connected via a bus (210). The memory (201) is composed of a program area (202) and a data area (203).

Disks generated during system restart processing (20
The generated data file (206) on the same disk (205') that has the basic data for generation is the basic data file (207'), (208), (
20''9) according to a predetermined generation procedure.

Now, to explain the system in detail, the first pattern is data area (201) on memory (201).
03> Discrete/light area (204
:Hereinafter abbreviated as buffer), the generated data file (20
6) The basic records of the basic data files (207, 208>) necessary for the generation defined in the generation procedure are read in code units at the same time as the generated records of the generated data file (206).

Next, the buffer (204) on the memory (201)
A generated record is generated according to the generation procedure, but at this time, the basic data for generation may be insufficient, so the basic record of the basic data file (207, 208) is read and the generation is executed again. First, one generation record is generated after reading the basic data records necessary for generation as needed. Thereafter, a plurality of generated records in the generated data file (206) and subsequently a plurality of generated data files are generated in the same way.

Next, as a second pattern, in addition to the relationship between the generation procedure of the generated data file (206) and the basic data files (207) and (208) explained in the first pattern, in order to generate the generated data file, When it is necessary to constantly refer to or set any basic data record in the basic data file (209''), reading/writing is performed for each generated record.

[Problem that the invention seeks to solve]

In the conventional system restart method described above, the number of disk reads/writes increases in proportion to the number of data files and data records in the data files, which takes hundreds to tens of thousands of times more time than memory access. This has the disadvantage that the system restart time increases significantly.

An object of the present invention is to provide a high-speed system restart processing method that can significantly reduce the time required for system restart.

[Means for solving problems]

The present invention provides a system restart processing method that has a plurality of data files on a randomly accessible auxiliary storage device, and generates data in association with the data files when restarting the system due to a system failure. The load module is configured with only program modules necessary for restarting the system, and a file generation area is provided on an area on a volatile storage device into which the load module is loaded, and the data file is generated. It is said that

〔Example〕

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

FIG. 1 is a block diagram of an embodiment of the present invention. (101)
, (104) is a volatile storage device (hereinafter abbreviated as memory), and although it is separated for convenience, the substance is the same, and the program area (102) is the configuration in the memory (101) after the system restarts. ) and data area (
103'), and memory when the system restarts (10
The configuration in 4) includes a program area (105) when the system is restarted, and a file generation area (105) when the system is restarted.
106) and data area when restarting the system (107)
exists respectively.

(108') is a randomly accessible auxiliary storage device (
(hereinafter abbreviated as disk) and generated data file (
109), basic data file (110).

(111), (112'), a system restart load module (113) and an operation load module (114) are present.

Memory (101), (104) and disk (
108) are connected via a bus (115).

The operation of the above embodiment will now be described in a manner similar to that described for the prior art.

First, the operation of placing the load module in the memory (101) will be explained.

During normal operation, the load modules of the memory (101') are arranged into a program area (102) and a data area (103). Here, when system restart processing is executed due to a system failure, the system restart load module (113') in the disk (108'') is transferred to the memory (101) at the beginning, and the system restart process in the memory (104) is transferred to the memory (101). Program area at restart (105), File generation area at system restart (
106), and the data area (10
7). Next, when the system restart process is completed, the operation load module (114') in the disk (108) is
is transferred to the memory (101) and returned to the original operating state of the system.

Next, generation of data files in system restart processing will be explained.

Disks generated during system restart processing (10
8) The above generated data file (109) is the basic data file (110) and (111) containing the basic data for generation.
) is generated according to the generation procedure determined by.

Now, to give a detailed explanation of the system, as the first pattern, each of the basic data files (110") and (111) is The corresponding basic data records are stored in the file generation area (106) of the memory (104) for each record number.
) are all read at the same time at the specified positions. This is a basic data record that is necessary and sufficient for all or multiple generated data records in the generated data file (109).Hereinafter, based on this generation procedure, generated data records in the generated data file (109'') will be created. It is generated sequentially (but each time, the corresponding basic data file (
110), it is not necessary to read the basic data records in (111).

Next, as a second pattern, the generated data file (109) explained in the first pattern and the basic data file (
110') and (111), if it is necessary to always refer to or set any basic data record in the basic data file (112) in order to generate the generated data file, First, all or a plurality of basic data records in the basic data file (112) are read, and after all generation of generated data files is completed, a group of basic data records is written in the basic data file (112).

〔Effect of the invention〕

As explained above, the present invention has the effect of significantly shortening the time required to restart the system by collectively generating data files on the memory.

[Brief explanation of drawings]

FIG. 1 is a system configuration diagram according to an embodiment of the present invention, and FIG. 2 is a system configuration diagram showing a conventional example. 101.201... Volatile storage device 102.20
2...Program area 103.203...Data area 104...Volatile storage device when the system is restarted (actually the same as 101) 105......When the system is restarted Program area 106 ... File generation area 107 when the system restarts Data area 108.205 ... Randomly accessible auxiliary storage device 109.206 ... Generated data file 110, 1
11.112 ・Basic data file 113 ・
...Load module for system restart, 114 ...Operational load module 204
・・・・・・File paste/write area

Claims (1)

[Claims] (1) In a system restart processing method that has multiple data files on a randomly accessible auxiliary storage device and when restarting the system due to a system failure, a system restart processing method that generates data in association with the data files is used. The load module is configured with only program modules necessary for restarting the system, and a file generation area is provided on an area on a volatile storage device into which the load module is loaded, and the data file is generated. A fast system restart processing method.