オンライン・ファイルの障害防止処理について

概要

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In this paper, procedures to prevent on-line file from obstacles are given, which should be observed during the developement phase of operating systems. First of all, general patterns used in file structure are given in abstract form, and file obstacles growing out of system's dynamic stops are classified. Secondly, some fundamental principles to prevent these obstacles are described. These are as follows. 1)File structures must be in closed state at any instant. 2)Structure elements, which are objects of INSERT or DELETE operations, may run out of system's management. And so on. Lastly, a sequence to alter file structures called "structure altering sequence (SAS)" is given on the basis of the above principles. These discussions are based on the experiences obtained through the developement of ETSS (ETL Time-sharing System)and its experimental use.
一般社団法人情報処理学会の論文
1971-04-15