CN111813348A - Node event processing device, method, equipment and medium in unified storage equipment - Google Patents
Node event processing device, method, equipment and medium in unified storage equipment Download PDFInfo
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Abstract
The application discloses a node event processing device, a node event processing method, electronic equipment and a computer readable storage medium in unified storage equipment, wherein the device comprises a node event judgment module and a service processing submodule; the node event judging module is used for determining the contents of the node events which are sequentially generated by the cluster at present and the corresponding nodes of the generated node events according to the change records of the plurality of node event messages and the node online flag bits which are sequentially acquired, and sending corresponding operation notification messages to the corresponding service processing sub-modules; and the service processing submodule is used for executing corresponding configuration operation according to the operation notification message. According to the method and the device, by combining the analysis of the node event message and the change record of the node online zone bit, the specific content of the node event can be accurately acquired and positioned to the specific node, so that the related configuration operation of adding or quitting the cluster of the node can be efficiently processed, and the integrity and consistency of data in the cluster are effectively guaranteed.
Description
Technical Field
The present application relates to the field of unified storage technologies, and in particular, to a node event processing apparatus and method in a unified storage device, an electronic device, and a computer-readable storage medium.
Background
Unified storage is a storage system that can run and manage files and applications on a single device, integrating file-based and block-based access. It is also referred to as multi-protocol storage because it supports different storage protocols to provide data storage for the host system.
At present, a redundant structure is generally formed by a plurality of controllers in a unified storage device, and the most common mode is that two controllers, i.e. two nodes, form one IO Group, and then a final multi-control cluster is formed by the plurality of IO groups. Under the architecture, node exit and recovery join events caused by power failure, service failure or other accidents can frequently occur, so how to timely and accurately process related scenes, especially complex node event scenes, becomes very important.
In view of the above, it is an important need for those skilled in the art to provide a solution to the above technical problems.
Disclosure of Invention
The application aims to provide a node event processing device, a node event processing method, an electronic device and a computer readable storage medium in a unified storage device, so that specific contents of node events can be accurately acquired, related configuration operations of nodes joining or leaving a cluster can be efficiently processed, and the integrity and consistency of data in the cluster can be guaranteed.
In order to solve the above technical problem, in a first aspect, the present application discloses a node event processing apparatus in a unified storage device, including:
a node event judgment module; the system comprises a plurality of service processing sub-modules and a plurality of node event information acquiring modules, wherein the service processing sub-modules are used for acquiring a plurality of node event information and a change record of a node online flag bit;
the business processing submodule; and executing corresponding configuration operation according to the operation notification message.
Optionally, the node presence flag bits are stored in a form of a data pair to indicate presence statuses of two nodes in the same IO Group.
Optionally, a node state completion flag bit is recorded in the node event judgment module; the node event judgment module is further configured to:
after the service processing submodule executes corresponding configuration operation according to the operation notification message, corresponding setting operation is carried out on the node state completion flag bit so as to indicate that the corresponding node completes the configuration operation corresponding to the online state of the corresponding node.
Optionally, the node event message carries current operation state information of the cluster.
In a second aspect, the present application further discloses a method for processing node events in a unified storage device, including:
based on the node event judging module, determining the content of the node events which are sequentially generated by the cluster at present and the corresponding nodes of the node events according to the sequentially acquired multiple node event messages and the change records of the node online flag bits;
sending corresponding operation notification messages to corresponding service processing sub-modules;
and executing corresponding configuration operation based on the service processing submodule according to the operation notification message.
Optionally, after the performing, by the service processing sub-module, the corresponding configuration operation according to the operation notification message, the method further includes:
and carrying out corresponding setting operation on the node state completion flag bit recorded in the node event judgment module to indicate that the corresponding node has completed the configuration operation corresponding to the online state of the corresponding node.
Optionally, the node presence flag bits are stored in a form of a data pair to indicate presence statuses of two nodes in the same IO Group.
Optionally, the node event message carries current operation state information of the cluster.
In a third aspect, the present application also discloses an electronic device, including:
a memory for storing a computer program;
a processor for executing the computer program to implement the steps of the node event handling method in any one of the unified storage devices as described above.
In a fourth aspect, the present application further discloses a computer-readable storage medium, in which a computer program is stored, and the computer program is used for implementing the steps of the node event processing method in any one of the unified storage devices as described above when being executed by a processor.
The node event processing device in the unified storage equipment comprises a node event judgment module and a service processing submodule; the node event judging module is used for determining the contents of the node events which are sequentially generated by the cluster at present and the corresponding nodes of the generated node events according to the sequentially acquired multiple node event messages and the change records of the node online flag bits, and sending corresponding operation notification messages to the corresponding service processing sub-modules; and the service processing submodule is used for executing corresponding configuration operation according to the operation notification message.
The node event processing device, the node event processing method, the electronic device and the computer readable storage medium in the unified storage device have the advantages that: according to the method and the device, by combining the analysis of the node event message and the change record of the node online zone bit, the specific content of the node event can be accurately acquired and positioned to the specific node, so that the related configuration operation of adding or quitting the cluster of the node can be efficiently processed, and the integrity and consistency of data in the cluster are effectively guaranteed.
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In order to more clearly illustrate the technical solutions in the prior art and the embodiments of the present application, the drawings that are needed to be used in the description of the prior art and the embodiments of the present application will be briefly described below. Of course, the following description of the drawings related to the embodiments of the present application is only a part of the embodiments of the present application, and it will be obvious to those skilled in the art that other drawings can be obtained from the provided drawings without any creative effort, and the obtained other drawings also belong to the protection scope of the present application.
FIG. 1 is a schematic diagram of a unified storage device according to an embodiment of the present disclosure;
fig. 2 is a block diagram illustrating a structure of a node event processing apparatus in a unified storage device according to an embodiment of the present disclosure;
fig. 3 is a flowchart of a method for processing a node event in a unified storage device according to an embodiment of the present application;
fig. 4 is a block diagram of an electronic device according to an embodiment of the present disclosure.
Detailed Description
The core of the application is to provide a node event processing device, a node event processing method, an electronic device and a computer readable storage medium in a unified storage device, so as to accurately obtain specific contents of a node event, efficiently process relevant configuration operations of nodes joining or leaving a cluster, and ensure integrity and consistency of data in the cluster.
In order to more clearly and completely describe the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Currently, unified storage is a storage system that can run and manage files and applications on a single device, integrating file-based and block-based access. It is also referred to as multi-protocol storage because it supports different storage protocols to provide data storage for the host system.
Referring to fig. 1, fig. 1 is a schematic diagram of an architecture of a unified storage device disclosed in an embodiment of the present application. At present, a redundant structure is generally formed by a plurality of controllers in a unified storage device, and the most common mode is that two controllers, i.e., two nodes, form one IO Group, and then a final multi-control cluster is formed by the plurality of IO groups.
Under the architecture, node exit and recovery join events caused by power failure, service failure or other accidents can frequently occur, so how to timely and accurately process related scenes, especially complex node event scenes, becomes very important. In view of this, the present application provides a node event processing scheme in a unified storage device, which can effectively solve the above problem.
Referring to fig. 2, an embodiment of the present application discloses a node event processing apparatus in a unified storage device, which mainly includes:
a node event judgment module 101; the system comprises a plurality of service processing sub-modules 102, a plurality of node event messages and a plurality of node online zone bit change records, wherein the service processing sub-modules are used for acquiring a plurality of node event messages and a plurality of node online zone bit change records;
a business processing submodule 102; and the configuration module is used for executing corresponding configuration operation according to the operation notification message.
It should be emphasized that, in this embodiment of the present application, the node event determining module 101 and the service processing sub-module 102 are two independent modules in a cluster, and the node event determining module 101 is dedicated to determining and acquiring specific contents of a node event, and further can notify other modules including the service processing sub-module 102 to perform corresponding processing.
It should be noted that, in this embodiment of the present application, the node event determining module 101 not only receives a node event message from the cluster management center, but also tracks and obtains a change condition of the online flag of the node. Specifically, considering that the node event message in the related art generally only informs that a node join event or a node exit event occurs, and does not specifically inform which node has an event joining or exiting the cluster under which specific conditions, in this application, a node online flag is specifically set to indicate the current actual online state of each node, and the node event determining module 101 may simultaneously obtain the change record of the node online flag of the node from the cluster management center, so as to obtain the specific content of the node event and which node has the node event.
Further, as a specific embodiment, the node presence flag bits may be stored in a form of binary data pairs to represent presence statuses of two nodes in the same IO Group. Further, it is not assumed that 0 indicates that the node is not online and 1 indicates that the node is online. Thus, the presence states of two nodes in the same IO Group may specifically include four states, 00, 01, 10, and 11.
It should be noted that, based on the change record of the online flag bit of the node, the present application can determine not only the specific type of the node event that occurs, but also which node state the node event occurs in. It is easily understood that the configuration operation processing procedure required to change from the 11 state to the 10 state is different from that required to change from the 01 state to the 10 state.
Therefore, when a node event occurs, the specific content of the current event can be judged through the node event message and the node online state flag bit, and a corresponding event enumeration variable can be set for each specific event content, so that the message is transmitted to the service processing sub-module 102 based on the event enumeration variable. The node event determining module 101 transmits the corresponding event enumeration variable to the corresponding service processing sub-module 102 in a notification manner, and simultaneously, the node event determining module 101 may control the execution sequence and the interdependence relationship of other sub-modules according to the specific service requirement.
After receiving the notification from the node event determining module 101, the other sub-modules trigger the operation of the state machine in the sub-module by monitoring the specific event type, thereby completing the configuration modification adapted to the service processing sub-module 102.
The common specific event content may specifically include the following: the method comprises the steps of adding a first node (00 → 01 or 10), adding a second node (01 or 10 → 11), recovering the first node in the power-down state of the whole machine (00 → 01 or 10), and carrying out single-node failure (11 → 01 or 10) in the initialization process.
In particular, in the actual application process, due to various uncontrollable factors, the occurrence of a node event may cause many more complex scenarios. For example, when a node joins the cluster and corresponding configuration operation performed in the service processing sub-module 102 is not completely completed (for example, only processing to a second stage of modifying the relevant configuration), the node exits the cluster again due to power failure and the like, so that a node event is superimposed. The method and the device are also applicable to the complex node event scene with the superposition of multiple events.
For example, in a normal single-node recovery process (01 → 11), the recovery node exits again, and at this time, the node online flag provided by the cluster management center immediately changes to 01 again, and the processing target inside the node event determining module 101 is to restore the relevant configuration process inside the service processing sub-module 102 to the state before the node is online. Therefore, the change condition of the cluster nodes can be accurately tracked in real time in the service, and the influence on the specific service process is avoided.
When the complex node event combination situation is faced, based on the real-time monitoring and the timely response of the node event judgment module 101, and timely notifying to other sub-modules according to the requirement, the service processing sub-module 102 can timely and accurately complete the corresponding operation flow in the whole flow processing process.
The node event processing device in the unified storage device disclosed in the embodiment of the present application includes a node event determining module 101 and a service processing submodule 102, where the node event determining module 101 is configured to determine, according to an obtained node event message and a change record of an online flag bit of a node, content of a node event currently occurring in a cluster and the node where the node event occurs, and send a corresponding operation notification message to the corresponding service processing submodule 102; a business processing submodule 102; the service processing submodule 102 is configured to execute a corresponding configuration operation according to the operation notification message.
Therefore, the node event processing device in the unified storage device disclosed in the embodiment of the present application can accurately obtain the specific content of the node event and locate the specific node by combining the analysis of the node event message and the change record of the node online flag, and further can efficiently process the configuration operations related to the node joining or leaving the cluster, thereby effectively ensuring the integrity and consistency of the data in the cluster.
As a specific embodiment, in the node event processing apparatus in the unified storage device disclosed in the embodiment of the present application, on the basis of the above contents, a node state completion flag is recorded in the node event determining module 101; the node event determining module 101 is further configured to:
after the service processing sub-module 102 executes the corresponding configuration operation according to the operation notification message, the node status completion flag bit is set correspondingly to indicate that the corresponding node has completed the configuration operation corresponding to the online status of the corresponding node.
It is easy to understand that, for the business processing sub-module 102, a node is considered as a node that is really online or offline after completing the relevant configuration operation of joining or leaving the cluster. Therefore, in this embodiment, in addition to the node online status flag, a node status completion flag is set in the node event determination module 101.
After the relevant configuration flow operation of adding or exiting the cluster of the node is completed, the node event judgment module 101 performs the setting operation, so that the communication between the node and other modules of the cluster is ensured after the node completes the relevant configuration operation of adding the node into the cluster and can normally process the service, and the validity of the communication data is ensured.
As described above, in this embodiment, the node online flag bit is used to represent the node online status provided by the cluster, and the node status completion flag bit inside the node event determining module 101 is used to represent the node online status processing status matched with the processing flow progress of the service processing sub-module 102 at this time. When a superposition event occurs, the node event determining module 101 may determine what operation needs to be performed to update the node state completion flag bit inside the node event determining module 101 to be consistent with the node online flag bit by depending on the two flag bits.
As a specific embodiment, on the basis of the above content, the node event processing apparatus in the unified storage device disclosed in the embodiment of the present application carries the current operation state information of the cluster in the node event message.
Specifically, in this embodiment, the current running state information of the cluster is used for feeding back the cluster state, and may specifically include a cluster initialization state, a cluster power-down state, and the like.
Referring to fig. 3, an embodiment of the present application discloses a method for processing a node event in a unified storage device, which mainly includes:
s201: and determining the content of the node events which are sequentially generated by the cluster at present and the corresponding nodes of the generated node events according to the sequentially acquired multiple node event messages and the change records of the node online zone bits based on the node event judging module.
S202: and sending corresponding operation notification messages to corresponding service processing sub-modules.
S203: and executing corresponding configuration operation according to the operation notification message based on the service processing submodule.
Therefore, the node event processing method in the unified storage device provided by the application can accurately acquire the specific content of the node event and locate the specific node by combining the analysis of the node event message and the change record of the node online flag bit, so that the related configuration operation of adding or exiting the cluster of the node can be efficiently processed, and the integrity and consistency of data in the cluster are effectively guaranteed.
As a specific embodiment, the method for processing a node event in a unified storage device provided in the embodiment of the present application, based on the foregoing, further includes, after the service processing sub-module executes a corresponding configuration operation according to the operation notification message, that:
and carrying out corresponding setting operation on the node state completion flag bit recorded in the node event judgment module to indicate that the corresponding node has completed the configuration operation corresponding to the online state of the corresponding node.
As a specific embodiment, in the method for processing node events in a unified storage device provided in the embodiment of the present application, on the basis of the foregoing content, the node presence flag is stored in a form of a data pair, so as to represent presence statuses of two nodes in the same IOGroup.
As a specific embodiment, in the node event processing method in the unified storage device provided in the embodiment of the present application, on the basis of the foregoing content, the node event message carries the current operation state information of the cluster.
For the specific content of the node event processing method in the unified storage device, reference may be made to the foregoing detailed description of the node event processing apparatus in the unified storage device, and details thereof are not repeated here.
Referring to fig. 4, an embodiment of the present application discloses an electronic device, including:
a memory 301 for storing a computer program;
a processor 302 for executing the computer program to implement the steps of the node event handling method in any one of the unified storage devices as described above.
Further, the present application also discloses a computer-readable storage medium, in which a computer program is stored, and the computer program is used for implementing the steps of the node event processing method in any unified storage device as described above when being executed by a processor.
For the details of the electronic device and the computer-readable storage medium, reference may be made to the foregoing detailed description of the node event processing method in the unified storage device, and details thereof are not repeated here.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the equipment disclosed by the embodiment, the description is relatively simple because the equipment corresponds to the method disclosed by the embodiment, and the relevant parts can be referred to the method part for description.
It is further noted that, throughout this document, relational terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The technical solutions provided by the present application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall into the protection scope of the present application.
Claims (10)
1. A node event handling apparatus in a unified storage device, comprising:
a node event judgment module; the system comprises a plurality of service processing sub-modules and a plurality of node event information acquiring modules, wherein the service processing sub-modules are used for acquiring a plurality of node event information and a change record of a node online flag bit;
the business processing submodule; and executing corresponding configuration operation according to the operation notification message.
2. The node event handler of claim 1, wherein the node presence flag bits are stored in data pairs to indicate the presence status of two nodes in the same IO Group.
3. The node event processing apparatus according to claim 1, wherein a node state completion flag bit is recorded in the node event determination module; the node event judgment module is further configured to:
after the service processing submodule executes corresponding configuration operation according to the operation notification message, corresponding setting operation is carried out on the node state completion flag bit so as to indicate that the corresponding node completes the configuration operation corresponding to the online state of the corresponding node.
4. The node event processing apparatus according to any one of claims 1 to 3, wherein the node event message carries information about a current operating status of the cluster.
5. A node event processing method in a unified storage device is characterized by comprising the following steps:
based on the node event judging module, determining the content of the node events which are sequentially generated by the cluster at present and the corresponding nodes of the node events according to the sequentially acquired multiple node event messages and the change records of the node online flag bits;
sending corresponding operation notification messages to corresponding service processing sub-modules;
and executing corresponding configuration operation based on the service processing submodule according to the operation notification message.
6. The node event processing method according to claim 5, wherein after the performing the corresponding configuration operation according to the operation notification message based on the service processing sub-module, the method further comprises:
and carrying out corresponding setting operation on the node state completion flag bit recorded in the node event judgment module to indicate that the corresponding node has completed the configuration operation corresponding to the online state of the corresponding node.
7. The node event processing method according to claim 5, wherein the node presence flag bits are stored in a data pair to indicate presence status of two nodes in the same IO Group.
8. The node event processing method according to any one of claims 5 to 7, wherein the node event message carries information on a current running state of the cluster.
9. An electronic device, comprising:
a memory for storing a computer program;
a processor for executing the computer program to implement the steps of the node event processing apparatus of any of claims 5 to 8.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, is adapted to carry out the steps of the node event processing apparatus according to any one of claims 5 to 8.
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| CN113703669B (en) * | 2021-07-16 | 2023-08-04 | 苏州浪潮智能科技有限公司 | Cache partition management method, system, equipment and storage medium |
| CN114844799A (en) * | 2022-05-27 | 2022-08-02 | 深信服科技股份有限公司 | Cluster management method and device, host equipment and readable storage medium |
| CN115150459A (en) * | 2022-06-30 | 2022-10-04 | 苏州浪潮智能科技有限公司 | Method and system for managing cluster controller nodes of unified storage device |
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Application publication date: 20201023 |