CN108874454B - Adaptive starting method and device of target driver - Google Patents
Adaptive starting method and device of target driver Download PDFInfo
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- CN108874454B CN108874454B CN201810679193.6A CN201810679193A CN108874454B CN 108874454 B CN108874454 B CN 108874454B CN 201810679193 A CN201810679193 A CN 201810679193A CN 108874454 B CN108874454 B CN 108874454B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000003044 adaptive effect Effects 0.000 title claims description 30
- 238000004590 computer program Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 description 11
- WGZDBVOTUVNQFP-UHFFFAOYSA-N N-(1-phthalazinylamino)carbamic acid ethyl ester Chemical compound C1=CC=C2C(NNC(=O)OCC)=NN=CC2=C1 WGZDBVOTUVNQFP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
Abstract
The invention discloses a self-adaptive starting method, a self-adaptive starting device, self-adaptive starting equipment and a computer readable storage medium of a target driver, wherein the method comprises the following steps: determining a driver corresponding to any node in the distributed cluster as a target driver; and starting the distributed cluster and the target driver in sequence, judging whether the target driver is started successfully or not after a preset time period from the current moment, if so, determining that the starting task is finished, if not, starting the target driver again, and returning to the step of executing the step of judging whether the target driver is started successfully or not after the preset time period from the current moment. In the technical scheme provided by the embodiment of the invention, even if the starting failure occurs because the target driver cannot be connected with the distributed cluster, the target driver can be restarted after a preset time period, so that the effective starting of the target driver is ensured.
Description
Technical Field
The present invention relates to the field of distributed cluster technologies, and in particular, to a method, an apparatus, a device, and a computer-readable storage medium for adaptive starting of a target driver.
Background
CEPH provides objects, blocks and files, and a block interface is mainly supported by librbd or krbd, wherein librbd is an application-mode interface, VMWare EXSi and Windows/Solaris operating systems commonly used in enterprise environments cannot directly use librbd, and krbd cannot run in systems commonly used in the enterprise environments. A standard iSCSI interface driver (abbreviated driver) becomes the optimal solution for using CEPH for the systems commonly used in these enterprise environments.
Generally, in the process of starting each node of the CEPH distributed cluster, the distributed cluster is started first and then the driver is started. When the distributed cluster nodes cause that the distributed cluster can be started successfully after a period of time, at this time, although the distributed cluster is started before the driver, the distributed cluster is in the starting process, so that when the driver is connected with the distributed cluster, the situation that the driver is not connected to the driver, which causes the starting failure, occurs.
Therefore, the technical solution for starting the distributed cluster and the corresponding driver in the prior art has a problem that the driver cannot be connected to the distributed cluster during the starting process of the distributed cluster, which may cause a failed starting.
Disclosure of Invention
The invention aims to provide a self-adaptive starting method, a self-adaptive starting device, self-adaptive starting equipment and a computer readable storage medium of a target driver, and aims to solve the problem that in the prior art, the technical scheme for starting a distributed cluster and a corresponding driver can cause starting failure due to the fact that the driver cannot be connected with the distributed cluster in the starting process of the distributed cluster.
An adaptive starting method of a target driver, comprising:
determining a driver corresponding to any node in the distributed cluster as a target driver;
and starting the distributed cluster and the target driver in sequence, judging whether the target driver is started successfully or not after a preset time period from the current moment, if so, determining that the starting task is finished, if not, starting the target driver again, and returning to the step of executing the step of judging whether the target driver is started successfully or not after the preset time period from the current moment.
Preferably, before the step of determining whether the target driver is successfully started after a preset time period elapses from the current time, the method further includes:
and judging whether the time from the start of the distributed cluster to the current time reaches a preset start threshold value, if so, determining that the start of the distributed cluster is wrong, and if not, executing the step of judging whether the target driver is started after the preset time period from the start of the current time.
Preferably, the presetting of the starting threshold includes:
and acquiring an externally input starting threshold determined based on the number of the nodes in the distributed cluster, wherein the starting threshold is larger when the number of the nodes in the distributed cluster is larger.
Preferably, after acquiring the start threshold value input by the outside, the method further includes:
and respectively storing the starting threshold value into a configuration file of each node in the distributed cluster, so that any node in the distributed cluster can be obtained when the node is a node corresponding to the target driver.
Preferably, after determining that the startup of the distributed cluster has an error, the method further includes:
and outputting the information of the distributed cluster starting error.
An adaptive boot device for a target driver, comprising:
a determination module to: determining a driver corresponding to any node in the distributed cluster as a target driver;
a start module to: and starting the distributed cluster and the target driver in sequence, judging whether the target driver is started successfully or not after a preset time period from the current moment, if so, determining that the starting task is finished, if not, starting the target driver again, and returning to the step of executing the step of judging whether the target driver is started successfully or not after the preset time period from the current moment.
Preferably, the method further comprises the following steps:
a determination module configured to: judging whether the target driver is started successfully or not before the step of judging whether the target driver is started successfully or not after a preset time period from the current moment, if so, determining that the distributed cluster is started wrongly, and if not, indicating the starting module to execute the step of judging whether the target driver is started or not after the preset time period from the current moment.
Preferably, the method further comprises the following steps:
a setup module to: and acquiring an externally input starting threshold determined based on the number of the nodes in the distributed cluster, wherein the starting threshold is larger when the number of the nodes in the distributed cluster is larger.
An adaptive boot device of a target driver, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the adaptive start-up method of the target driver as described in any one of the above when executing the computer program.
A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the adaptive startup method of an object driver according to any one of the preceding claims.
The invention provides a self-adaptive starting method, a self-adaptive starting device, self-adaptive starting equipment and a computer readable storage medium of a target driver, wherein the method comprises the following steps: determining a driver corresponding to any node in the distributed cluster as a target driver; and starting the distributed cluster and the target driver in sequence, judging whether the target driver is started successfully or not after a preset time period from the current moment, if so, determining that the starting task is finished, if not, starting the target driver again, and returning to the step of executing the step of judging whether the target driver is started successfully or not after the preset time period from the current moment. In the technical scheme provided by the embodiment of the invention, after the distributed cluster and the driving program corresponding to any node in the distributed cluster are sequentially started, whether the target driving program is started successfully or not is judged every time a preset time period passes, if so, the target driving program is determined to be started successfully, otherwise, the target driving program is started again, therefore, even if the starting failure condition occurs because the target driving program cannot be connected with the distributed cluster, the target driving program can be restarted after the preset time period passes, and the effective starting of the target driving program is ensured.
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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a first flowchart of an adaptive starting method of a target driver according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an adaptive starting apparatus of a target driver according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1, a flowchart of an adaptive starting method of a target driver according to an embodiment of the present invention is shown, where the method includes:
s11: and determining a driver corresponding to any node in the distributed cluster as a target driver.
The execution subject of the adaptive starting method for the target driver provided by the embodiment of the present invention may be a corresponding adaptive starting device, and the device may be disposed in a distributed cluster. The driver is an iSCSI interface driver in the background art, each node in the distributed cluster has a corresponding driver, that is, the nodes in the distributed cluster correspond to the drivers one to one, and the starting of the driver corresponding to any node can be realized by the adaptive starting method of the target driver disclosed in the present application.
S12: and starting the distributed cluster and the target driver in sequence, judging whether the target driver is started successfully or not after a preset time period from the current moment, if so, determining that the starting task is finished, if not, starting the target driver again, and returning to execute the step of judging whether the target driver is started successfully or not after the preset time period from the current moment.
The preset time period can be set according to actual needs, for example, can be 1 second; starting the distributed cluster and the target driver in sequence means that the target driver is started after the distributed cluster is started, whether the target driver is started successfully is judged once every preset time period, and the completion of the starting task is determined based on the judgment result without any processing or the target driver is started again, so that even if the starting failure occurs because the target driver cannot be connected with the distributed cluster, the target driver can be restarted after the preset time period, and the effective starting of the target driver is ensured. In addition, the target driver can be restarted by pulling up the target driver, i.e., the target driver can be automatically started.
It should be noted that, the steps of the above-mentioned judgment and the operation based on the result of the judgment can be set as a target driver detection service, and the target driver detection service is added to the timing task with the preset time period as the time interval, so that the target driver detection service can automatically realize the above-mentioned judgment and the related steps at regular time; however, when the above determination and related steps are not needed, the target driver detection service needs to be moved out of the timing task. Of course, other settings can be made according to actual needs, and are within the protection scope of the present invention.
In the technical scheme provided by the embodiment of the invention, after the distributed cluster and the driving program corresponding to any node in the distributed cluster are sequentially started, whether the target driving program is started successfully or not is judged every time a preset time period passes, if so, the target driving program is determined to be started successfully, otherwise, the target driving program is started again, therefore, even if the starting failure condition occurs because the target driving program cannot be connected with the distributed cluster, the target driving program can be restarted after the preset time period passes, and the effective starting of the target driving program is ensured.
The technical scheme disclosed by the application is safe, economical and simple, so that the target driving program is normally started and services are provided. Moreover, the influence range of the technical scheme is only limited to the starting control of the target driver program when the distributed cluster is started, so that the influence on the starting and stopping control of the subsequent target driver program is avoided.
The adaptive starting method of the target driver provided by the embodiment of the present invention may further include, before the step of determining whether the target driver is successfully started after a preset time period elapses from the current time, the following step:
and judging whether the time from the start of the distributed cluster to the current time reaches a preset start threshold value, if so, determining that the start of the distributed cluster is wrong, and if not, executing the step of judging whether the target driver is started after the preset time period from the start of the current time.
It should be noted that, in this embodiment, before the step of determining whether the target driver is successfully started after the preset time period elapses from the current time, a step of determining whether the target driver is successfully started after the preset time period elapses from the current time may be implemented before each step of determining whether the target driver is successfully started after the preset time period elapses from the current time. The starting threshold value can be determined according to actual needs, if the starting time (the time from the start to the current moment) of the distributed cluster reaches the starting threshold value, the distributed cluster is considered to be started with an error, and the operation is stopped at the moment; otherwise, the distributed cluster is considered to be capable of normally realizing starting, and the step of judging whether the target driving program is started is executed, so that the step of judging whether the target driving program is started is repeatedly executed while the distributed cluster is in error, and logic resources are wasted.
The adaptive starting method of the target driver provided by the embodiment of the invention is to preset a starting threshold, and the method may include:
and acquiring an externally input starting threshold determined based on the number of the nodes in the distributed cluster, wherein the starting threshold is larger when the number of the nodes in the distributed cluster is larger.
It should be noted that, as the number of nodes in the distributed cluster is larger, the correspondingly required starting threshold is larger, so that the starting threshold can be set by the staff according to personal experience based on the number of nodes in the distributed cluster, the starting threshold can be adapted to the number of nodes in the distributed cluster, and the setting of the starting threshold is more reasonable. Of course, other arrangements can be made according to actual needs, and are within the protection scope of the present invention.
The self-adaptive starting method of the target driver, provided by the embodiment of the present invention, after acquiring the externally input starting threshold, may further include:
and respectively storing the starting threshold value into a configuration file of each node in the distributed cluster, so that any node in the distributed cluster is obtained when the node is a corresponding node of the target driver.
The starting threshold value is respectively stored in the configuration file of each node in the distributed cluster, so that when the driving program corresponding to any node is determined to be the target driving program, and the target driving program is initialized during starting, the starting threshold value can be acquired from the configuration file of any node, further subsequent steps are realized, and the acquisition of the starting threshold value is facilitated.
The self-adaptive starting method of the target driver provided by the embodiment of the present invention may further include, after determining that an error occurs in starting the distributed cluster, that:
and outputting the information of the distributed cluster starting error.
The information of the error in the starting of the distributed cluster can be output by displaying, broadcasting and sending the information to one or more corresponding appointed terminals of the staff, and other settings can be carried out according to actual needs, so that the staff can timely know the error, and further realize corresponding operation.
It should be noted that, if the determination of whether the target driver is started and the related steps are implemented by using a target driver detection service, the steps that can be implemented by the technical solution disclosed in the present invention include:
step 1: after the target driving program is determined, reading a configuration file of the nodes corresponding to the target driving program, and acquiring a starting threshold value set according to the number of the nodes;
step 2: judging whether the target driver detection service exists or not, if so, skipping to the step 4, otherwise skipping to the step 3;
and step 3: creating a target driver detection service;
and 4, step 4: adding a target driving state detection service into a timing task;
and 5: judging whether the starting time of the distributed cluster reaches a starting threshold value, if so, skipping to the step 9, otherwise skipping to the step 6;
step 6: the timing task executes the target driver detection service regularly, the target driver detection service detects whether the target driver is started, if the target driver is started, no processing is performed, otherwise, the step 7 is skipped;
and 7: if the target driver is not started successfully, pulling up the target driver;
and 8: after delaying for 1 second, jumping to the step 5;
and step 9: and moving the target driving state detection service out of the system timing task.
An embodiment of the present invention further provides an adaptive starting apparatus for a target driver, as shown in fig. 2, which may include:
a determining module 11, configured to: determining a driver corresponding to any node in the distributed cluster as a target driver;
an initiating module 12 for: and starting the distributed cluster and the target driver in sequence, judging whether the target driver is started successfully or not after a preset time period from the current moment, if so, determining that the starting task is finished, if not, starting the target driver again, and returning to execute the step of judging whether the target driver is started successfully or not after the preset time period from the current moment.
The adaptive starting device for the target driver provided by the embodiment of the invention can further comprise:
a determination module configured to: before the step of judging whether the target driver is started successfully after the preset time period from the current moment, judging whether the time from the starting of the distributed cluster to the current moment reaches a preset starting threshold value, if so, determining that the starting of the distributed cluster is wrong, and if not, indicating a starting module to execute the step of judging whether the target driver is started after the preset time period from the current moment.
The adaptive starting device for the target driver provided by the embodiment of the invention can further comprise:
a setup module to: and acquiring an externally input starting threshold determined based on the number of the nodes in the distributed cluster, wherein the starting threshold is larger when the number of the nodes in the distributed cluster is larger.
The adaptive starting device for the target driver provided by the embodiment of the invention can further comprise:
a storage module to: after the externally input starting threshold is obtained, the starting threshold is respectively stored in a configuration file of each node in the distributed cluster, so that any node in the distributed cluster can be obtained when the node is a corresponding node of the target driver.
The adaptive starting device for the target driver provided by the embodiment of the invention can further comprise:
an output module to: and after determining that the starting of the distributed cluster has errors, outputting the information of the starting errors of the distributed cluster.
An embodiment of the present invention further provides an adaptive starting device for a target driver, where the adaptive starting device includes:
a memory for storing a computer program;
and the processor is used for realizing the steps of the self-adaptive starting method of the project mark driver program when executing the computer program.
The embodiment of the invention also provides a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and when being executed by a processor, the computer program realizes the steps of the self-adaptive starting method of any item target driver.
It should be noted that for the descriptions of the adaptive starting apparatus, the device, and the computer readable storage medium for the target driver provided in the embodiment of the present invention, reference is made to the detailed descriptions of the corresponding parts in the adaptive starting method for the target driver provided in the embodiment of the present invention, and no further description is given here. In addition, parts of the technical solutions provided in the embodiments of the present invention that are consistent with the implementation principles of the corresponding technical solutions in the prior art are not described in detail, so as to avoid redundant description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An adaptive boot method for a target driver, comprising:
determining a driver corresponding to any node in the distributed cluster as a target driver; the driver is an iSCSI interface driver used by the distributed cluster and is in one-to-one correspondence with the nodes;
starting the distributed cluster and the target driver in sequence, judging whether the target driver is started successfully or not after a preset time period from the current moment, if so, determining that a starting task is finished, if not, starting the target driver again, and returning to the step of executing the step of judging whether the target driver is started successfully or not after the preset time period from the current moment;
before the step of judging whether the target driver is started successfully after the preset time period from the current moment, the method further comprises the following steps:
and judging whether the time from the start of the distributed cluster to the current time reaches a preset start threshold value, if so, determining that the start of the distributed cluster is wrong, and if not, executing the step of judging whether the target driver is started after the preset time period from the start of the current time.
2. The method of claim 1, wherein presetting a start-up threshold comprises:
and acquiring an externally input starting threshold determined based on the number of the nodes in the distributed cluster, wherein the starting threshold is larger when the number of the nodes in the distributed cluster is larger.
3. The method of claim 2, wherein after obtaining the start threshold of the external input, further comprising:
and respectively storing the starting threshold value into a configuration file of each node in the distributed cluster, so that any node in the distributed cluster can be obtained when the node is a node corresponding to the target driver.
4. The method of claim 1, wherein determining that the startup of the distributed cluster is in error further comprises:
and outputting the information of the distributed cluster starting error.
5. An adaptive boot device for a target driver, comprising:
a determination module to: determining a driver corresponding to any node in the distributed cluster as a target driver; the driver is an iSCSI interface driver used by the distributed cluster and is in one-to-one correspondence with the nodes;
a start module to: starting the distributed cluster and the target driver in sequence, judging whether the target driver is started successfully or not after a preset time period from the current moment, if so, determining that a starting task is finished, if not, starting the target driver again, and returning to the step of executing the step of judging whether the target driver is started successfully or not after the preset time period from the current moment;
the device further comprises:
a determination module configured to: judging whether the target driver is started successfully or not before the step of judging whether the target driver is started successfully or not after a preset time period from the current moment, if so, determining that the distributed cluster is started wrongly, and if not, indicating the starting module to execute the step of judging whether the target driver is started or not after the preset time period from the current moment.
6. The apparatus of claim 5, further comprising:
a setup module to: and acquiring an externally input starting threshold determined based on the number of the nodes in the distributed cluster, wherein the starting threshold is larger when the number of the nodes in the distributed cluster is larger.
7. An adaptive boot device for a target driver, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the adaptive start-up method of the target driver according to any one of claims 1 to 4 when executing the computer program.
8. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the adaptive startup method of an object driver according to any one of claims 1 to 4.
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