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Member list determination method, device and equipment and readable storage medium

A member list, determination method technology, applied in the direction of instrument, input/output to record carrier, error detection/correction, etc., can solve problems such as cluster error and customer business interruption

Active Publication Date: 2021-07-16
SHANDONG YINGXIN COMP TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, when the fault is triggered again during the operation of the cluster, the cluster error (error) may be caused due to fault domain conflicts, resulting in customer business interruption

Method used

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  • Member list determination method, device and equipment and readable storage medium
  • Member list determination method, device and equipment and readable storage medium
  • Member list determination method, device and equipment and readable storage medium

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Embodiment Construction

[0049] In order to enable those skilled in the art to better understand the solution of the present application, the present application will be further described in detail below in conjunction with the drawings and specific implementation methods. Apparently, the described embodiments are only some 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.

[0050] Please refer to figure 1 , figure 1 It is a flowchart of a method for determining a member list in the embodiment of this application, and the method includes the following steps:

[0051] S101. Select a new acting member from the current acting list of the placement group.

[0052]Among them, the acting list can be represented by acting set, which is the collection of OSDs where all copies of the placement group ...

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Abstract

The invention discloses a member list determination method, apparatus and device, and a readable storage medium. The method comprises the steps of selecting new action members from a current action list of a collating group; selecting alternative action members from the allinfo members of the collating group, and selecting alternative action members from the allinfo members of the collating group; judging whether the new action member has a fault domain conflict or not; if yes, replacing the new action member corresponding to the fault domain conflict with an alternative action member conforming to the fault domain in the alternative action members, and constructing a new action list by using the replaced new action member; If not, constructing a new action list by using the new action member. According to the method and the device, the fault domain conflict problem of the new action members participating in construction of the new action list can be avoided, cluster errors caused by the existence of the fault domain conflict can be avoided when subsequent faults occur, and continuous external service service providing can be effectively guaranteed.

Description

technical field [0001] The present application relates to the technical field of computer applications, in particular to a method, device, device and readable storage medium for determining a member list. Background technique [0002] In a distributed storage cluster, an OSD (Object-based Storage Device, object storage device) is widely used. In order to facilitate management, PG (Placement Group) is often set as a logical unit of data distribution. There are two member lists of PG: the up list (including UP members) and the acting list (including acting members) corresponding to the OSD collection where all data copies are located, and usually, the up list is the same as the acting list. [0003] During the running of the cluster, if a fault occurs, the peering (peer-to-peer operation) process will be triggered. One function of the peering process is to re-select the up members and acting members of the PG members, and select the up members through the crush algorithm. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06F11/07
CPCG06F3/0614G06F3/0629G06F3/067G06F11/0727G06F11/0793
Inventor 李彦博孟祥瑞
Owner SHANDONG YINGXIN COMP TECH CO LTD
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