Storage allocation in a distributed segmented file system

Details Storage allocation in a distributed segmented file system Storage allocation in a distributed segmented file system

2008-07-29

2008-07-29

Alam, Hosain T (Department: 2166)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C711S100000

Reexamination Certificate

active

10425550

ABSTRACT:
A file system (i) permits storage capacity to be added easily, (ii) can be expanded beyond a given unit, (iii) is easy to administer and manage, (iv) permits data sharing, and (v) is able to perform effectively with very large storage capacity and client loads. State information from a newly added unit is communicated (e.g., automatically and transparently) to central administration and management operations. Configuration and control information from such operations is communicated (e.g., automatically) back down to the newly added units, as well as existing units. In this way, a file system can span both local storage devices (like disk drives) and networked computational devices transparently to clients. Such state and configuration and control information can include globally managed segments as the building blocks of the file system, and a fixed mapping of globally unique file identifiers (e.g., Inode numbers) and/or ranges thereof, to such segments.

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