Distributed processing system

Details Distributed processing system Distributed processing system

2006-03-21

2006-03-21

El-Hady, Nabil (Department: 2152)

Electrical computers and digital processing systems: memory

Storage accessing and control

Shared memory area

C711S148000, C711S153000, C709S201000, C709S203000, C709S213000, C709S214000, C709S215000

Reexamination Certificate

active

07017016

ABSTRACT:
A distributed processing system which enables a plurality of computers to make quick access to a shared storage unit. A storage quota management unit manages storage quotas, which limit the total amount of data that each user can store on the shared storage unit. When a write request to the shared storage unit is issued at a certain computer, a user identification unit identifies the requesting user. Then a free quota calculation unit calculates the remaining free storage quota of the identified user. A reserve space allocation unit allocates an appropriate reserve space to the computer according to the remaining free storage quota, allowing the computer to use the allocated reserve space at its discretion to handle the user's data write request.

REFERENCES:
patent: 5713013 (1998-01-01), Black
patent: 5819047 (1998-10-01), Bauer et al.
patent: 6092163 (2000-07-01), Kyler et al.
patent: 2000322306 (2000-11-01), None

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