Load balancing method and related device
A load balancing and redundant disk array technology, applied in the computer field, can solve the problem of uneven load of independent redundant disk arrays, and achieve the effects of solving uneven load, improving access efficiency, and good performance
Inactive Publication Date: 2021-12-31
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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[0004] In order to solve the above technical problems, this application provides a load balancing method and related devices, which solve the problem of uneven load of multiple independent redundant disk arrays, improve the access efficiency of independent redundant disk arrays, and make the entire storage system obtain better performance
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[0059] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0060] In order to solve the technical problems in the traditional technology: when the amount of data read and written on the independent redundant disk array in a short period of time reaches a certain threshold, it will not be able to exceed the bandwidth limit of the connection medium between the independent redundant disk array and the storage system , the rea...
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The invention discloses a load balancing method and a related device, and the method comprises the steps: determining a heat value of each independent redundant disk array when a migration period is reached; calculating a standard deviation according to the heat value of each independent redundant disk array; determining an expected heat value interval of each independent redundant disk array according to the standard deviation, wherein the expected heat value interval is between a first heat value and a second heat value, and the first heat value is lower than the second heat value; if the heat value of a first redundant array of independent disks in the multiple redundant arrays of independent disks is higher than a second heat value, and the heat value of a second redundant array of independent disks is lower than the first heat value, screening a first target storage block from the first redundant array of independent disks, and screening a second target storage block from the second redundant array of independent disks, and migrating the data in the first target storage block to the second target storage block. According to the scheme, the access efficiency of the redundant array of independent disks is improved, and the whole storage system obtains better performance.
Description
technical field [0001] The present application relates to the field of computer technology, in particular to a load balancing method and related devices. Background technique [0002] In the era of big data, the performance of back-end storage media such as redundant array of independent disks (Redundant Arrays of Independent Disks, RAID) plays a vital role in the impact of the entire storage area network (Storage Area Network, SAN) storage system. [0003] In the same logical storage pool with multiple independent redundant disk arrays, user data will be distributed among independent redundant disk arrays, but each independent redundant disk array has a bandwidth limit. When the amount of data read and written in a short period of time reaches a certain threshold, it will not be able to exceed the bandwidth limit of the connection medium between the independent redundant disk array and the storage system, and the read and write rate of the independent redundant disk array w...
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IPC IPC(8): G06F3/06G06F9/50
CPCG06F3/0607G06F3/064G06F3/0647G06F3/0689G06F9/505
Inventor 张孙旻
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD