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A tgtd service method, device and client

A service method and technology of a service device, which are applied in the field of tgtd service method, device and client based on ceph+tgt architecture, can solve problems such as tgtd service crash, and achieve the effects of improving user experience, avoiding memory errors, and preventing crashes.

Active Publication Date: 2020-02-21
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the tgtd service crash that occurs when unbinding chap users is an urgent problem to be solved

Method used

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  • A tgtd service method, device and client
  • A tgtd service method, device and client
  • A tgtd service method, device and client

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Embodiment Construction

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039]After code analysis, we can know that each chap user has an aid attribute, the aid is int type, and each target of tgt has an array of in_aids, when a target is bound to a chap user, it is Assign the aid attribute of the chap user to in_aids to realize the binding between the target and the chap user, and when unbind the chap user, set ...

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Abstract

The invention discloses a tgtd service method and device based on a cegh + tgt architecture and a storage-side. The method comprises the steps that when bound chap users are unbounded, whether the corresponding positions of the chap users in an in_aids array in a target are the final positions of all the chap users in the in_aids array or not is judged; if not, the corresponding positions of the chap users in the in_aids array in the target are set as significance bits, wherein the significance bits are non-NULL positions of pointers when aid attributes at the positions are read. Whether the positions are needed to be set or not can be judged by judging whether the corresponding positions of the unbound chap users are the final positions of all the chap users or not, memory errors can be avoided by setting the positions as the significance bits when the positions are not the final positions of all the users, accordingly tgtd service disruption is prevented, and user experience is improved.

Description

technical field [0001] The present invention relates to the application field of storage terminal technology, in particular to a tgtd service method, device and client based on ceph+tgt architecture. Background technique [0002] With the development of science and technology in modern society, computers have been widely used in various fields, followed by the rapid development of various applications around computers. Ceph+tgt can map the block device in Ceph through the standard iscsi protocol through tgt, so that it can be used by the client (Client). [0003] When using the FC protocol, because the relatively isolated FC fiber channel is used to transmit data, less security issues are considered, but for the ISCSI protocol, it is necessary to use the storage protocol on the IP network for data transmission, because the IP network is relatively If it is open, security issues must be considered, and the CHAP authentication mechanism is a security authentication method wid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/07
CPCG06F11/0796
Inventor 刘斌
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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