Storage system and storage device archive control method

Details Storage system and storage device archive control method Storage system and storage device archive control method

2011-01-11

2011-01-11

Wassum, Luke S. (Department: 2167)

Data processing: database and file management or data structures

Data integrity

Detection of expired data

C707S694000, C707S793000, C711S159000

Reexamination Certificate

active

07870104

ABSTRACT:
An archive management that allows random access. An archive managing part reads out files stored in an on-line volume at a timing determined by the respective file type, and stores these files in a specified volume among archive volumes. A retention term is designated for each set of file data, and respective retention terms are also set for the respective volumes. The file data is stored in a volume having a retention term that matches the retention term of the file data. The respective volumes are set in a device that allows random access. The areas in which data is written into the respective volumes are managed as write prohibited areas by pointers such that the respective volumes are used as a WORM device.

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