Read operation request processing method and system of mechanical hard disk of storage system

Abstract

The invention discloses a read operation request processing method and system of a mechanical hard disk of a storage system, and relates to the technical field of the storage system. The read operation request processing method comprises the steps of receiving a read operation request aiming at a file, wherein the read operation request comprises a file identifier of the file; determining a waiting queue corresponding to the file identifier by referring to a corresponding relationship between a preset file identifier and a waiting queue; and finishing read operation content corresponding to the read operation request by utilizing a reading thread corresponding to the determined waiting queue. Thus, according to the read operation request processing method and system of the mechanical hard disk of the storage system, one reading thread is utilized to take charge of all the read operation requests of the same file in one waiting queue and the read operation for the mechanical hard disk is subjected to sequential optimization when multi-task requests of a client are sent out at the same time. Therefore, moving of a head of the mechanical hard disk is reduced under the condition that multiple tasks from the upper layer are sent out at the same time; and the ultimate reading performance of the mechanical hard disk is accordingly improved.

Description

technical field [0001] The present invention relates to the technical field of storage systems, in particular to a method and system for processing a read operation request of a mechanical hard disk of a storage system. Background technique [0002] At present, all the platters in a common mechanical hard disk are installed on a rotating shaft, and each platter is parallel to each other. There is a magnetic needle on the storage surface of each platter. The distance between the magnetic needle and the platter Smaller than the diameter of a human hair, all the magnetic needles are connected to a magnetic needle controller, and the magnetic needle controller is responsible for the movement of each magnetic needle. The magnetic needle can move along the radial direction of the disk, coupled with the high-speed rotation of the disk at several thousand revolutions per minute, the magnetic needle can be positioned on the designated position of the disk for data read and write oper...

AI Technical Summary

Problems solved by technology

[0003] Based on the above-mentioned working principle of the mechanical hard disk, the most worrying thing about the mechanical hard disk is random read and write, especially in the mass storage system, once the upper client multi-tasking requests are pressed down at the same time, the operation will be randomized to a certain extent, which will easily make the mechanical hard disk The magnetic needle jumps, so that both reading and writing will greatly affect the ultimate read performance of the mechanical hard disk, which is also the bottleneck of the mechanical hard disk itself

Images