Information processing system for updating data in a shared...

Details Information processing system for updating data in a shared... Information processing system for updating data in a shared...

2007-01-30

2007-01-30

Nguyen, Than (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Shared memory area

C711S148000

Reexamination Certificate

active

10219284

ABSTRACT:
When a large number of computer disk devices are to be shared, partially different disk devices cannot be flexibly shared at a lower level of the operating system. As a solution, a disk sharing module consisting of a read routine and a write routine is provided between a file system module and a disk access module within the operating system. The write routine translates writes into a common disk device to writes into a private disk device, and stores update information in a private table within the private disk device. The read routine references the private table of the private disk device to translate reads from the common disk device into reads from the common disk device120or private disk device as appropriate.

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patent: 5615330 (1997-03-01), Taylor
“The Design and Implementation of the 4.4 BSD Operating System”, M.K. McKusick et al, 1996, pp. 235-237.

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