| 摘要 |
PROBLEM TO BE SOLVED: To provide a computer system capable of carrying out optimum file placement independently of the type of a secondary storage device. SOLUTION: When a file and command management means 23a of the secondary storage device 2 is instructed by a host computer 1 to store a new file by a command which contains file identification information, the means transfers it to a new file address determining means 26. The new file address determining means 26 refers to a disk management table 25b to find a free area and considers characteristics of the file, the configuration of the secondary storage system, etc., to determine an optimum area as an area for registering the new file. Also, the address of the determined area is registered in a local file management table 27 in association with the identification information of the file. The file and command management means 23a stores the file in the determined area of a disk device 29 through a disk device control means 24. COPYRIGHT: (C)2007,JPO&INPIT
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