Method and apparatus for transmitting data processing requests
A technology for processing requests and transmitting data, applied in the field of communications, which can solve the problems of inability to access storage devices and the inability of the host to access the second storage node in time, and achieve the effect of improving the success rate
Active Publication Date: 2020-06-02
HUAWEI TECH CO LTD
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[0004] However, if the storage device of the second storage node can only be accessed through the access path formed by the CPU of the second storage node and the first network card in the second storage node, when the CPU of the second storage node cannot process the data access request in time , the host cannot access the second storage node in time, or when the above-mentioned access channel of the second storage node fails, the host cannot access the storage device of the second storage node
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[0035] The technical solution in this application will be described below with reference to the accompanying drawings.
[0036] For ease of understanding, a traditional data processing request transmission method is briefly introduced first.
[0037] figure 1 is a schematic block diagram of a traditional storage network-based storage system. figure 1 The shown storage system includes at least one storage node 110, and the storage nodes in the storage system are connected to a network, so that a host can access storage devices in each storage node in the storage system through the network.
[0038] The second storage node may be any storage node in the storage system, and the corresponding storage address of the storage device in the second storage node includes a target storage address to be accessed by the host through the network. The second storage node includes a first network card 111 , a processing unit 112 , a switching unit 113 and a storage device 114 , wherein the ne...
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The embodiment of the present application provides a method and device for transmitting a data processing request, the method includes: applying to a storage system, characterized in that the storage system includes a first storage node and a second storage node, the first storage The storage device in the node is connected to the host through the processor and the first network card of the first storage node, and connected to the storage device of the second storage node through the second network card; the first storage node receives the access to the second storage node A data processing request from a storage device, the data processing request carrying the target storage address of the data to be processed; the first storage node determines the second storage node according to the target storage address of the data to be processed; the first storage node through the The second network card sends a data processing request to the second storage node, and the data processing request instructs the second storage node to process the data to be processed. It is beneficial to improve the success rate of accessing the target storage address in the second storage node.
Description
technical field [0001] The present application relates to the field of communications, and more particularly, to methods and apparatus for transmitting data processing requests. Background technique [0002] With the gradual increase of data scale, people's demand for storage devices is increasing. In order to meet people's needs for storage devices, network storage has become a common data storage method in current storage systems. A special dedicated data storage system is defined in the network storage technology, in which the cross-platform file sharing function can be realized. Specifically, network storage forms include direct attached storage (Direct Attached Storage, DAS), network attached storage (Network Attached Storage, NAS), and storage area network (Storage Area Network, SAN). [0003] The above-mentioned storage system based on network storage technology may include multiple storage nodes, and the multiple storage nodes may be connected to the host through t...
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IPC IPC(8): H04L29/08
CPCH04L67/1097H04L67/63H04L41/12G06F3/067G06F3/061G06F3/0658G06F3/0604G06F3/0659
Inventor 周建华周猛唐鲲
Owner HUAWEI TECH CO LTD