Patent ID: 6185655
Filing Date: 2001-02-06
Classification: G06F,H04L

Abstract:
A data processing system (10) comprising a plurality of distributed data storage units (D1-D3, FD6, TL4, STOe) and at least one data storage server (S1-S3) connected to a network for storing data,a plurality of distributed management units (DSM1-DSM6) connected to one another to form a memory for local data storage and having memory space addressable by a protocol comprising input-output read-write instructions sent by a data storage server (S1-S3), wherein at least some of said distributed data storage units (D1-D3, FD6, TL4, STOe) are operatively associated with said data storage server (S1-S3) via one respective distributed management units (DSM1-DSM6), andan allocation unit arranged to allocate to each of said data storage servers (S1-S3) a virtual memory space (D'xyz) whose extent is at least equal to the accumulated capacity of at least some of said distributed data storage units (D1-D3, FD6, TL4, STOe).