Method of allocating multiple users to a multiple user data dist

Details Method of allocating multiple users to a multiple user data dist Method of allocating multiple users to a multiple user data dist

1997-04-24

1999-06-15

Lee, Thomas C.

395856, 395865, G06F 1516, G06F 1320

Patent

active

059130261

ABSTRACT:
A method for allocating multiple users to a multiple user data distribution system. More specifically, a data retrieval method for dynamically allocating multiple users to a plurality of parallel processors each connected to an information storage device in a multiple user distribution system. The method allocates each user to at least one processor. The allocated processor represents a slot within a service period. The service period comprises a plurality of slots such that within a given slot an allocated user accesses a subset of information storage devices to supply data to the user. The users are dynamically allocated to the slots in a service period such that the specific time at which each user is serviced and the subset of information storage devices that services them varies from service period to service period. However, each user is serviced during each service period. The allocation of the user within a service period is defined by the user's present mode of operation and next mode of operation, i.e., the mode the user will use in the next service period. Additionally, the method provides error detection and correction for the data retrieved from the information storage devices. Furthermore, the method enables new data to be added to the information storage devices during each service period and permits a select number of information storage devices, such as disk drives, to be recalibrated without impacting the operation of the system.

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patent: 5706048 (1998-01-01), Davis

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