Storage controller access method and related device
A storage controller and access method technology, applied in the storage field, can solve the problems of complex networking, high cost of physical redundant links, and reduce the reliability of HBA card access storage controllers, etc., to achieve the effect of improving reliability
Pending Publication Date: 2021-03-09
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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Problems solved by technology
When the controller corresponding to the HBA card fails, the entire controller, the HBA card, and the link from the HBA card to the host cannot continue to work. It is necessary to switch services to other HBA cards and the corresponding host through the redundant link of the host. Controller, the entire service switching process includes three parts: link switching, switch port switching and HBA card switching. The delay is more than 20 seconds, the network is complicated, and there are many physical redundant links and high cost, which reduces the access of HBA cards. Storage Controller Reliability
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[0035] The core of this application is to provide a storage controller access method, a storage controller access device, a server, and a computer-readable storage medium. When sending access forwarding data through an HBA card, the target controller is determined from multiple controllers, and then the Data is sent instead of only specifying a single controller, improving the reliability of accessing storage controllers.
[0036] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments 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...
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The invention discloses a storage controller access method which comprises the steps of processing a received access request, by an HBA card, to obtain access forwarding data; determining a target controller from the plurality of controllers according to a preset controller number, wherein the plurality of controllers are connected with the HBA card; and sending the access forwarding data to the target controller. The target controller is determined from the plurality of controllers through the HBA card when the access forwarding data is sent, and then the data is sent instead of only specifying a single controller, so that the reliability of accessing the storage controller is improved. The invention further discloses a storage controller access device, a server and a computer readable storage medium, which have the above beneficial effects.
Description
technical field [0001] The present application relates to the field of storage technologies, and in particular to a method for accessing a storage controller, a device for accessing a storage controller, a server, and a computer-readable storage medium. Background technique [0002] With the continuous development of data storage technology, a variety of data storage technologies have emerged. Among them, the HBA (Host Bus Adapter, host bus adapter) card can be inserted into the board card of a computer, server or mainframe, and connect the computer to the storage or storage network through fiber channel or SCSI (Small Computer System Interface, small computer system interface). A host bus adapter is a circuit board or integrated circuit adapter that provides input / output processing and physical connections between servers and storage devices. Because the HBA offloads the main processor with data storage and retrieval tasks, it can improve server performance. An HBA and it...
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IPC IPC(8): G06F13/16G06F13/42
CPCG06F13/1668G06F13/4282G06F2213/0026
Inventor 詹建平邹雨彭云武
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD