Flexible data storage system

Details Flexible data storage system Flexible data storage system

2011-06-07

2011-06-07

Bragdon, Reginald G (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S171000, C711SE12082

Reexamination Certificate

active

07958303

ABSTRACT:
Methods and systems for managing and locating available storage space in a system comprising data files stored in a plurality of storage devices and configured in accordance with various data storage schemes (mirroring, striping and parity-striping). A mapping table associated with each of the plurality of storage devices is used to determine the available locations and amount of available space in the storage devices. The data storage schemes for one or more of the stored data files are changed to a basic storage mode when the size of a new data file configured in accordance with an assigned data storage scheme exceeds the amount of available space. The configured new data file is stored in accordance with the assigned data storage scheme in one or more of the available locations and the locations of the new data file are recorded.

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