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Migration apparatus which convert SAM/VSAM files of mainframe system into SAM/VSAM files of open system and method for thereof

一种主机系统、开放系统的技术，应用在数字计算机零部件、计算机、特殊数据处理应用等方向，能够解决代码体系不同等问题

Inactive Publication Date: 2011-09-14
SAMSUNG SDS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, according to such a reintegration solution, during the conversion operation of the company's work files, such as sequential access method (SAM) files, virtual memory access method (VSAM) files, etc., due to the The code system of the system is different, and there are many errors

Method used

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  • Migration apparatus which convert SAM/VSAM files of mainframe system into SAM/VSAM files of open system and method for thereof
  • Migration apparatus which convert SAM/VSAM files of mainframe system into SAM/VSAM files of open system and method for thereof
  • Migration apparatus which convert SAM/VSAM files of mainframe system into SAM/VSAM files of open system and method for thereof

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Embodiment Construction

[0025] Hereinafter, embodiments of the present invention will be described in detail. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various forms. Therefore, to complete this disclosure and provide means for those skilled in the art, the following examples are described in turn.

[0026] figure 1 is a structural block diagram schematically illustrating the conversion of Sequential Access Method (SAM) / Virtual Memory Access Method (VSAM) files used in a host system to SAM / VSAM suitable for open systems according to an embodiment of the present invention File conversion device.

[0027] see figure 1 , the working file used in the host system 100, such as a SAM / VSAM file, is converted into a conversion device 200 suitable for the open system 300 SAM / VSAM file mainly includes: an information acquisition module 210, a data acquisition module 220, and a code conversion module 230 , a file merging module 240 and a file ...

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Abstract

The present invention provides a migration apparatus and method for converting a sequential access method (SAM) / virtual storage access method (VSAM) file of a mainframe system into an appropriate SAM / VSAM file for an open system. The migration apparatus includes: an information obtaining module for obtaining various file information on a SAM file of the mainframe system; a data obtaining module for obtaining actual data of the SAM file of the mainframe system composed of Extended Binary Coded Decimal Interchange Code (EBCDIC) in binary format; a code conversion module for converting the obtained actual data composed of EBCDIC into American Standard Code for Information Interchange (ASCII) code; a file combination module for combining the obtained file information on the SAM file with the actual data corresponding to the file information and converted into ASCII code; and a file registration module for registering the file information of the combined SAM file in the open system. The migration apparatus and method efficiently reuse a conventionally used SAM / VSAM file during a reintegrating process of converting a mainframe system into an open system.

Description

technical field [0001] The present invention relates to a conversion device and method for reusing and converting Sequential Access Method (SAM) / Virtual Memory Access Method (VSAM) files used in host systems into SAM / VSAM files suitable for open systems . Background technique [0002] Typically, in large corporations and government agencies, mainframe systems are used to process data. [0003] The term "mainframe system" is an industry term that refers to large computers manufactured by large corporations such as IBM Corporation. Mainframe systems are mainly used to perform calculations required for business activities of large groups, such as large corporations and financial institutions, and are configured in a centralized rather than decentralized calculation method. [0004] Such host systems are costly and rapidly increasing each year. For this reason, recently the mainframe system environment is being replaced by an open system environment such as UNIX or Linux or t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/00
CPCG06F17/30569G06F17/303G06F16/258G06F16/214G06F17/00G06F15/00
Inventor 李江镐李敏浩朴起辰
Owner SAMSUNG SDS CO LTD