JBOD cascade system and storage resource allocation method and device

Abstract

The embodiment of the invention relates to a JBOD cascade system and a storage resource allocation method and device. The JBOD cascade system comprises a plurality of hard disk backboards, a plurality of SAS interconnection chip modules and a plurality of machine heads. Each hard disk backboard comprises a plurality of hard disks and is used for providing storage resources for the JBOD cascade system; the plurality of SAS interconnection chip modules comprise a first SAS interconnection chip module which is connected with the plurality of machine heads and other SAS interconnection chip modules; and each hard disk on each hard disk backboard is connected with one SAS interconnection chip module in the other SAS interconnection chip modules through a PHY (Physical Layer) physical interface, the system can reduce idle resources through sharing one JBOD (Java Bundle Oxygen Demand) cascade system by a plurality of machine heads, and realizes partition and balanced utilization of the hard disks as required.

Description

technical field [0001] Embodiments of the present invention relate to the field of computer systems, and in particular, to a JBOD cascade system, a storage resource allocation method, and an apparatus. Background technique [0002] With the rapid development of technology, data is exploding exponentially. The current JBOD system is a system specially used for storing data. A large number of physical hard disks are interconnected using SAS expanders, and are connected to the HBA card of the host through SAS cables for data access. [0003] The data storage capacity of the JBOD system is an increasing process. Generally, there is no situation where the data is already full as soon as the machine is put on the shelf. For example, a JBOD system with 60 hard disks may only use 30 hard disks in a year, and the price of hard disks may be reduced a lot within a year. In response to this situation, some JBOD systems use on-demand augmentation The method of hard disk to save costs, ...

AI Technical Summary

Problems solved by technology

However, the hard disks in the prior art are not partitioned on demand to bind the associated ports, so the hard disks cannot be used in a balanced manner, which wastes resources.

Images