CN112468330A - Method, system, equipment and medium for setting fault node - Google Patents
Method, system, equipment and medium for setting fault node Download PDFInfo
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- CN112468330A CN112468330A CN202011267823.2A CN202011267823A CN112468330A CN 112468330 A CN112468330 A CN 112468330A CN 202011267823 A CN202011267823 A CN 202011267823A CN 112468330 A CN112468330 A CN 112468330A
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- 238000011084 recovery Methods 0.000 claims abstract description 15
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- 230000002159 abnormal effect Effects 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
- H04L41/0661—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities by reconfiguring faulty entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0876—Aspects of the degree of configuration automation
- H04L41/0886—Fully automatic configuration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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Abstract
The invention discloses a method for setting a fault node, which comprises the following steps: responding to the main node receiving the configuration information, and acquiring a state flag bit of each slave node; selecting a corresponding mode according to the status flag bit of each slave node to send the configuration information to each slave node; receiving the configuration information from a slave node of a first state flag bit responding to the state abnormity, and sequentially recording the configuration information into a preset file; and responding to the state recovery of the slave node of the first state flag bit to be normal, and sequentially executing the configuration information of the preset file in sequence. The invention also discloses a system, a computer device and a readable storage medium. According to the scheme provided by the invention, the management instruction missed when the node fails is directly sent to the failed node, so that the management instruction can be quickly and automatically set and completed in sequence in the recovery starting process of the failed node, and the service of an external client can be automatically and seamlessly carried out after the node is repaired.
Description
Technical Field
The present invention relates to the field of clusters, and in particular, to a method, a system, a device, and a storage medium for setting a failed node.
Background
The distributed storage cluster system generally consists of a plurality of servers to provide services to the outside in a unified manner, the servers are represented by nodes, each node in the distributed storage cluster system is provided with a storage service process (such as NFS, TGTD, RGW, OSD and MON) and related function settings, an administrator can manage the storage services on each node through the storage cluster management system, if a certain node cannot be started due to failure, when the cluster storage service is set on the management system, the node cannot be connected to the node for setting, so that the service setting on the node fails, the storage service access of a client cannot be provided, when the node is repaired and started, the client connected before the failure can be immediately restored to the node for service access, and because a setting instruction sent by the management system is not received before, the related service settings are not performed, and the service may not be normally provided, it is desirable to automatically configure and execute settings that were lost upon failure immediately after the node repair is initiated in order to be able to provide storage services as soon as possible. Some current schemes require a master node to detect and judge after a node is started, and then perform synchronous configuration, which causes service blocking when a client of the node accesses; in addition the mechanism requires multiple daemons to be enabled causing unnecessary system resources.
Disclosure of Invention
In view of the above, in order to overcome at least one aspect of the above problems, an embodiment of the present invention provides a method for setting a failed node, including the following steps:
responding to the main node receiving the configuration information, and acquiring a state flag bit of each slave node;
selecting a corresponding mode according to the status flag bit of each slave node to send the configuration information to each slave node;
in response to the slave node of which the state flag bit is the first state flag bit for identifying abnormity receiving the configuration information, sequentially recording the configuration information into a preset file;
and responding to the state recovery of the slave node of the first state flag bit to be normal, and sequentially executing the configuration information of the preset file in sequence.
In some embodiments, further comprising:
and in response to the master node detecting that the states of a plurality of the slave nodes are abnormal, changing the state marking bits of the plurality of the slave nodes into first state marking bits.
In some embodiments, the sending the configuration information to each of the slave nodes according to a corresponding mode selected by the status flag bit of each of the slave nodes, further comprises:
and in response to the status flag bit of the slave node being a first status flag bit, sending the configuration information to the BMC of the slave node of the first status flag bit by using the BMC of the master node.
In some embodiments, further comprising:
and in response to the state flag bit of the slave node being a second state flag bit which identifies a normal state, the master node directly sends the configuration information to the slave node of the second state flag bit through a remote connection channel.
In some embodiments, in response to the state of the slave node of the first state flag bit returning to normal, sequentially executing the configuration information of the preset file in order, further includes:
and responding to the fact that the BMC of the slave node of the first state mark bit detects that the state of the slave node is recovered to be normal, and sending a state recovery message to the BMC of the master node.
In some embodiments, further comprising:
and changing the state marking bit of the slave node of the first state marking bit into a second marking bit in response to the BMC of the master node receiving the state recovery message.
In some embodiments, sequentially executing the configuration information of the preset file in order further includes:
and responding to the completion of the execution of all the configuration information, and emptying the configuration information in the preset file.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a system for setting a failed node, including:
an acquisition module configured to acquire a status flag bit of each slave node in response to the master node receiving the configuration information;
the sending module is configured to send the configuration information to each slave node according to a corresponding mode selected by the status flag bit of each slave node;
the recording module is configured to respond to the fact that the configuration information is received by the slave node of which the state mark bit is the first state mark bit with abnormal identification, and record the configuration information into a preset file in sequence;
an execution module configured to sequentially execute the configuration information of the preset file in order in response to a state of a slave node of the first state flag bit returning to normal.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a computer apparatus, including:
at least one processor; and
a memory storing a computer program operable on the processor, wherein the processor executes the program to perform the steps of any of the above-described failure node setting methods.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a computer-readable storage medium storing a computer program which, when executed by a processor, performs the steps of any of the above-described setting methods of a failed node.
The invention has one of the following beneficial technical effects: according to the scheme provided by the invention, the management instruction missed when the node fails is directly sent to the failed node, so that the management instruction can be quickly and automatically set and completed in sequence in the recovery starting process of the failed node, and the service of an external client can be automatically and seamlessly carried out after the node is repaired.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
Fig. 1 is a schematic flowchart of a setting method of a failed node according to an embodiment of the present invention;
fig. 2 is a flowchart of a setting method of a failed node according to an embodiment of the present invention;
fig. 3 is another flowchart of a setting method of a failed node according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a setting system of a failed node according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a computer device provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a computer-readable storage medium according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
According to an aspect of the present invention, an embodiment of the present invention provides a setting method of a failed node, as shown in fig. 1, which may include the steps of:
s1, responding to the main node receiving the configuration information, obtaining the status flag bit of each slave node;
s2, according to the status flag bit of each slave node, selecting a corresponding mode to send the configuration information to each slave node;
s3, in response to the slave node of which the status flag bit is the first status flag bit for identifying the abnormality receiving the configuration information, recording the configuration information into a preset file in sequence;
s4, responding to the state of the slave node of the first state flag bit to return to normal, and sequentially executing the configuration information of the preset file in sequence.
According to the scheme provided by the invention, the management instruction missed when the node fails is directly sent to the failed node, so that the management instruction can be quickly and automatically set and completed in sequence in the recovery starting process of the failed node, and the service of an external client can be automatically and seamlessly carried out after the node is repaired.
In some embodiments, further comprising:
and in response to the master node detecting that the states of a plurality of the slave nodes are abnormal, changing the state marking bits of the plurality of the slave nodes into first state marking bits.
Specifically, as shown in fig. 2, the master node/management node may detect whether a node in the current cluster is Unreachable by sending a network ping packet, where the network ping packet is generally continuously sent three times, and if all packets sent to a node fail, change the status flag bit of the slave node to the first status flag bit, i.e., flag that the node is in an abnormal state (Unreachable), and send an alarm to the administrator to notify that the node is abnormal, so that the node needs to be checked and repaired as soon as possible.
In some embodiments, step S2, sending the configuration information to each of the slave nodes according to the corresponding mode selected by the status flag bit of each slave node, further includes:
and in response to the status flag bit of the slave node being a first status flag bit, sending the configuration information to the BMC of the slave node of the first status flag bit by using the BMC of the master node.
Specifically, as shown in fig. 2, after the management node receives the configuration information, the configuration information needs to be sent to each slave node. Before the configuration information is issued, the status flag bit of each slave node can be acquired, and then the mode of issuing the configuration information is selected according to the status flag bit. If the state flag bit of the slave node is the first state flag bit, the configuration information is sent to the BMC of the abnormal node of the first state flag bit by using an https protocol through the BMC of the master node, the configuration information is recorded and managed by the BMC, and the configuration information is recorded into a file in sequence, so that the loss of operation information recording is avoided, and if the state flag bit of the node is the first state flag bit all the time next time, the configuration information is sent to the BMC of the node directly through the BMC of the master node when the master node issues the configuration information again, so that the connectivity of the node is not attempted, and the network bandwidth consumption is reduced.
It should be noted that the BMC is an independent hard-pipe system platform, is independent of other hardware of the node, and can monitor and manage other hardware. When a node is powered off or fails, the BMC system can be generally communicated, so that the configuration information issued by the master node/management node in the node failure process can be synchronized and recorded in real time through the BMC system. And when the BMC monitors that the node carries out the repair starting process, the BMC can quickly read the configuration information recorded in the preset file and directly execute the configuration information on the node, so that the BMC can put into butt joint client service immediately after the node is normally started.
In some embodiments, further comprising:
and in response to the state flag bit of the slave node being a second state flag bit which identifies a normal state, the master node directly sends the configuration information to the slave node of the second state flag bit through a remote connection channel.
Specifically, as shown in fig. 2, if the status flag bit of the slave node is the second status flag bit, that is, in a normal state, the configuration information is sent to the slave node of the second status flag bit through the remote connection channel. The management node executes the configuration information on the node detecting the normal state through the ssh remote connection mode.
In some embodiments, in response to the state of the slave node of the first state flag bit returning to normal, sequentially executing the configuration information of the preset file in order, further includes:
and responding to the fact that the BMC of the slave node of the first state mark bit detects that the state of the slave node is recovered to be normal, and sending a state recovery message to the BMC of the master node.
In some embodiments, further comprising:
and changing the state marking bit of the slave node of the first state marking bit into a second marking bit in response to the BMC of the master node receiving the state recovery message.
In some embodiments, sequentially executing the configuration information of the preset file in order further includes:
and responding to the completion of the execution of all the configuration information, and emptying the configuration information in the preset file.
Specifically, as shown in fig. 3, the BMC system of the slave node of the first status flag bit monitors the status of the node in real time in an in-band monitoring manner, and if the status of the node is found to be recovered, the BMC system may notify the management node of the recovery of the status of the node through the https protocol, so as to change the first status flag bit of the node into the second status flag bit. And then directly triggering an instruction on the node to execute in an in-band mode, quickly executing the missed configuration information recorded in the file in sequence, ensuring that the instruction state of the node is consistent with that of other normal nodes immediately after the node is recovered, seamlessly putting the node into service butt joint, and emptying the file after the execution is finished. And when the configuration information is issued subsequently, the main node issues the configuration information through the remote connection channel.
According to the scheme provided by the invention, the management instruction missed when the node fails is directly sent to the failed node, so that the management instruction can be quickly and automatically set and completed in sequence in the recovery starting process of the failed node, and the service of an external client can be automatically and seamlessly carried out after the node is repaired.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a system 400 for setting a failed node, as shown in fig. 4, including:
an obtaining module 401, where the obtaining module 401 is configured to obtain a status flag bit of each slave node in response to the master node receiving the configuration information;
a sending module 402, wherein the sending module 402 is configured to send the configuration information to each slave node according to a corresponding mode selected by a status flag bit of each slave node;
a recording module 403, where the recording module 403 is configured to, in response to receiving the configuration information from a slave node whose status flag bit is a first status flag bit that identifies an exception, sequentially record the configuration information into a preset file;
an executing module 404, where the executing module 404 is configured to sequentially execute the configuration information of the preset file in order in response to a state of a slave node of the first status flag bit being recovered to be normal.
According to the scheme provided by the invention, the management instruction missed when the node fails is directly sent to the failed node, so that the management instruction can be quickly and automatically set and completed in sequence in the recovery starting process of the failed node, and the service of an external client can be automatically and seamlessly carried out after the node is repaired.
Based on the same inventive concept, according to another aspect of the present invention, as shown in fig. 5, an embodiment of the present invention further provides a computer apparatus 501, comprising:
at least one processor 520; and
a memory 510, the memory 510 storing a computer program 511 executable on the processor, the processor 520 executing the program performing the steps of any of the above described method of setting a faulty node.
Based on the same inventive concept, according to another aspect of the present invention, as shown in fig. 6, an embodiment of the present invention further provides a computer-readable storage medium 601, where the computer-readable storage medium 601 stores computer program instructions 610, and the computer program instructions 610, when executed by a processor, perform the steps of any of the above setting methods for a failed node.
Finally, it should be noted that, as will be understood by those skilled in the art, all or part of the processes of the methods of the above embodiments may be implemented by a computer program to instruct related hardware to implement the methods.
Further, it should be appreciated that the computer-readable storage media (e.g., memory) herein can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the disclosure herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as software or hardware depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments of the present invention.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps of implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A method for setting a fault node is characterized by comprising the following steps:
responding to the main node receiving the configuration information, and acquiring a state flag bit of each slave node;
selecting a corresponding mode according to the status flag bit of each slave node to send the configuration information to each slave node;
in response to the slave node of which the state flag bit is the first state flag bit for identifying abnormity receiving the configuration information, sequentially recording the configuration information into a preset file;
and responding to the state recovery of the slave node of the first state flag bit to be normal, and sequentially executing the configuration information of the preset file in sequence.
2. The method of claim 1, further comprising:
and in response to the master node detecting that the states of a plurality of the slave nodes are abnormal, changing the state marking bits of the plurality of the slave nodes into first state marking bits.
3. The method of claim 1, wherein said configuration information is sent to each of said slave nodes in a manner corresponding to a status flag bit selection of each slave node, further comprising:
and in response to the status flag bit of the slave node being a first status flag bit, sending the configuration information to the BMC of the slave node of the first status flag bit by using the BMC of the master node.
4. The method of claim 3, further comprising:
and in response to the state flag bit of the slave node being a second state flag bit which identifies a normal state, the master node directly sends the configuration information to the slave node of the second state flag bit through a remote connection channel.
5. The method of claim 1, wherein the configuration information of the preset file is sequentially executed in order in response to a state of the slave node of the first state flag bit returning to normal, further comprising:
and responding to the fact that the BMC of the slave node of the first state mark bit detects that the state of the slave node is recovered to be normal, and sending a state recovery message to the BMC of the master node.
6. The method of claim 5, further comprising:
and changing the state marking bit of the slave node of the first state marking bit into a second marking bit in response to the BMC of the master node receiving the state recovery message.
7. The method of claim 1, wherein the configuration information of the preset file is sequentially executed in order, further comprising:
and responding to the completion of the execution of all the configuration information, and emptying the configuration information in the preset file.
8. A system for setting up a failed node, comprising:
an acquisition module configured to acquire a status flag bit of each slave node in response to the master node receiving the configuration information;
the sending module is configured to send the configuration information to each slave node according to a corresponding mode selected by the status flag bit of each slave node;
the recording module is configured to respond to the fact that the configuration information is received by the slave node of which the state mark bit is the first state mark bit with abnormal identification, and record the configuration information into a preset file in sequence;
an execution module configured to sequentially execute the configuration information of the preset file in order in response to a state of a slave node of the first state flag bit returning to normal.
9. A computer device, comprising:
at least one processor; and
memory storing a computer program operable on the processor, wherein the processor executes the program to perform the steps of the method according to any of claims 1-7.
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 method according to any one of claims 1 to 7.
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| CN114546978A (en) * | 2022-02-18 | 2022-05-27 | 苏州浪潮智能科技有限公司 | Bitmap management method, system, equipment and medium for storage cluster |
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