METHOD OF CONTROLLING DISK ACCESSES BETWEEN A HARD-DISK DRIVE AND A NUMBER OF STREAM BUFFERS

摘要

The invention describes a method of controlling hard-disk accesses between a hard-disk drive (2) and a number of stream buffers (b1 , b2, ... , bk), which method comprises dynamically adjusting the size of an access block (B1, B2, ..., Bk) for a corresponding stream buffer (b1, b2, ..., bk), allocated to an input/output stream (S1, S2, ..., Sk), according to the size of that stream buffer (b1, b2, ..., bk). The invention also describes a controlling arrangement (1) for controlling hard-disk access between a hard-disk drive (2) and a number of stream buffers (b1, b2, ..., bk), and to a data storage system (30) comprising such a controlling arrangement (1).