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Load balancing method based on object storage device

An object storage device and load balancing technology, applied in multi-programming devices, instruments, computing, etc., can solve problems such as system performance degradation and storage node load imbalance

Inactive Publication Date: 2007-08-08
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

With the expansion of the storage system scale and the enhancement of the frequency of use, the phenomenon of unbalanced load among storage nodes will inevitably appear, which will become the bottleneck of the entire system, and even lead to a sharp decline in the performance of the entire system in severe cases.

Method used

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  • Load balancing method based on object storage device
  • Load balancing method based on object storage device
  • Load balancing method based on object storage device

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Embodiment Construction

[0057] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0058] Fig. 1 is a flow chart of the present invention. The invention includes: (1) active load detection step; (2) equipment load statistics step; (3) object migration and copy management step; (4) object attribute expansion step; (5) I / O request processing step.

[0059] Fig. 2 is a flowchart of active load detection steps of the present invention. Load information read from the / proc virtual file system; calculate the load factor, and judge the load factor of each device node. If the load factor is high, it means that the device is busy, and the number of load statistics should be reduced; otherwise, it means that the device is in a busy state. In idle state, you can increase the number of load statistics, set the load factor ≤ 30, delay 10 seconds; if 30 60, delay 60 seconds; again from the / proc virtual file The system reads the system...

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Abstract

It's an object-based storage device load balancing method, belonging to the computer storage technology, aiming at balancing the distribution of the system load in the storage nodes by reasonable scheduling of I / O load and hot data migration, to take full advantage of high-performance of storage device nodes. The order of the invention includes: (a) active load detection steps; (2) equipment load statistics steps; (3) object migration and copies management steps; (4) object properties expansion steps; (5) I / O request processing steps. The invention expands the SCSI protocol standards of object storage devices (OSD). With the advantages of object storage model, it provides basis for I / O scheduling decision, makes full use of the computing capacity of all the storage nodes to balance the load, reduce storage system response time and increase the storage system throughput.

Description

technical field [0001] The invention belongs to the technical field of computer storage, and in particular relates to a load balancing method based on an object storage device. Background technique [0002] With the rapid development of computer technology and network communication technology, the amount of global information storage is increasing rapidly at a rate of more than 30% per year, and the growth rate of data stored on hard disks is as high as 114%. Faced with the explosive growth of data volume and people's demand for storage system capacity, security, scalability and availability, the traditional direct access storage mode (Direct Access Storage, DAS) has been unable to do what it wants, which makes network storage become a storage The inevitable trend in the field of technology. The main architectures of current network storage include network attached storage (NAS, Network Attached Storage) and storage area network (SAN, Storage Area Network). Although NAS an...

Claims

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Application Information

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IPC IPC(8): G06F9/50G06F17/30
Inventor 王芳冯丹施展陈亮彭万利岳银亮
Owner HUAZHONG UNIV OF SCI & TECH
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