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Memory virtualization system and method

A storage virtual and logical storage technology, applied in the field of storage virtualization, can solve the problems of incompatibilities, incompatibility and tightly coupled storage systems, etc., and achieve the effects of improving security and performance, balancing IO loads, and preventing overheating

Active Publication Date: 2010-07-28
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0004] At present, there is also a technology that completely distributes IO in order to balance the IO load problem. However, this technology is not compatible with the original tightly coupled storage system. At the same time, this technology is still a two-layer IO virtual solution and cannot build RAID.

Method used

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  • Memory virtualization system and method

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Embodiment Construction

[0040] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention.

[0041] It should be noted that, if there is no conflict, the embodiments of the present invention and various features in the embodiments can be combined with each other, and all are within the protection scope of the present invention. In addition, the steps shown in the flow diagrams of the figures may be performed in a computer system, such as a set of computer-executable instructions, and, although a logical order is shown in the flow diagrams, in some cases, the sequence may be different. The steps shown or described are performed in the order herein.

[0042] figure 1 It is a schematic composition diagram of an embodiment of the storage virtualization system of...

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Abstract

The invention discloses a memory virtualization system and a method to balance IO load of physical disks. In the system, a striping module processes the physical disks by means of striping data to build a logic pond; a disk-building module builds a logic disk or a logic disk array on a logic memory pond; and a volume-building module builds a logic volume on the logic disk or the logic disk array. With the three layers of virtualization process, a read and write request of a customer is performed by being dispersed to the plurality of physical disks, and compared with the prior art that the read and write request of the customer is performed by being concentrated on one physical disk, the invention balances the IO load of the physical disks, effectively prevents some date of the physical disks from over heating, and improves the security and the performance of the memory system.

Description

technical field [0001] The invention relates to storage virtualization technology, in particular to a storage virtualization system and method. Background technique [0002] The mass storage system solves the problem of data heat level through hierarchical storage, but the storage system of hierarchical storage uses special hardware such as SSD, which makes the storage system very expensive. How to solve the problem of local data overheating on a common storage system without hardware special requirements is very important. [0003] Usually, the storage system adopts a two-layer IO virtualization method to solve the back-end IO problem. Specifically, under a certain storage controller, a RAID system with a certain number of disks is constructed, and then logical volumes are constructed on the RAID system, and Logical Unit Number (LUN) mapping is performed for users to use. For example, in a storage system with 500 disks, select 10 physical disks to build RAID5, and then cr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
Inventor 张宇
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD
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