CN111309253B - Method, device, equipment and storage medium for converting state of machine case port - Google Patents
Method, device, equipment and storage medium for converting state of machine case port Download PDFInfo
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- CN111309253B CN111309253B CN202010071698.1A CN202010071698A CN111309253B CN 111309253 B CN111309253 B CN 111309253B CN 202010071698 A CN202010071698 A CN 202010071698A CN 111309253 B CN111309253 B CN 111309253B
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000006243 chemical reaction Methods 0.000 claims abstract description 52
- 230000007704 transition Effects 0.000 claims abstract description 30
- 238000004590 computer program Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/061—Improving I/O performance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0653—Monitoring storage devices or systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
Abstract
The application discloses a method, a device, equipment and a storage medium for converting the state of a chassis port, wherein the method comprises the following steps: according to the logic of the abstract D trigger, a first variable representing a logic clock, a second variable representing the state of a chassis port inquired in real time, a third variable representing the state of the chassis port output by the logic and a fourth variable representing the state of a storage latch are created; identifying the current state of the storage equipment for converting the state of the chassis port; and controlling the created variable value to determine whether to execute the chassis port state transition operation according to the identification result. The method and the device realize the state conversion of the chassis port by using the algorithm principle of the D trigger, can reduce the time for the state conversion of the chassis port, reduce the discovery frequency, and reduce the execution of unnecessary state conversion logic of the chassis port, thereby reducing the influence on the service performance of a user as much as possible and improving the utilization rate of the storage device on resources.
Description
Technical Field
The present invention relates to the field of enclosure management technologies, and in particular, to an enclosure port state transition method, apparatus, device, and storage medium.
Background
A Storage Area Network (SAN) provides data transfer between computers and Storage systems. The storage device refers to one or more disk devices for storing computer data, and generally refers to a disk array, each chassis in the storage device has two ports, the state can be online, degraded, or offline, and the state transition of any one of the two ports can result in the state transition of the chassis ports.
Currently, with the development of SAN networks and large data, the demand for large-scale high-capacity disk array systems is increasing. For high-end storage, a greater number of disk cabinets is typically required than for medium-and low-end equipment. For storage devices with larger disk numbers, higher requirements are placed on the speed and frequency of the state conversion of the chassis port, but the existing chassis port state conversion is generally slower and higher in frequency.
Therefore, it is an urgent technical problem to be solved by those skilled in the art how to increase the speed of state transition of the chassis port and reduce the discovery frequency.
Disclosure of Invention
In view of the above, the present invention provides a method, an apparatus, a device and a storage medium for converting a chassis port state, which can achieve faster and reduce unnecessary chassis port state conversion. The specific scheme is as follows:
a chassis port state transition method comprises the following steps:
according to the logic of the abstract D trigger, a first variable representing a logic clock, a second variable representing the state of a chassis port inquired in real time, a third variable representing the state of the chassis port output by the logic and a fourth variable representing the state of a storage latch are created;
identifying the current state of the storage equipment for converting the state of the chassis port;
and controlling the created variable value to determine whether to execute the state transition operation of the chassis port according to the identification result.
Preferably, in the method for converting a state of a chassis port provided in an embodiment of the present invention, the step of controlling the created variable value to determine whether to perform the operation of converting the state of the chassis port includes:
and when the identification result indicates that the storage device is performing the chassis port state conversion, the first variable is 0, the third variable remains unchanged, and a new chassis port state conversion operation is not executed.
Preferably, in the method for converting a state of a chassis port provided in an embodiment of the present invention, the step of controlling the created variable value to determine whether to perform the operation of converting the state of the chassis port according to the identification result further includes:
and when the identification result indicates that the storage device does not perform chassis port state conversion, the first variable is 1, and the chassis port state is the second variable.
Preferably, in the method for converting a state of a chassis port provided in an embodiment of the present invention, the step of controlling the created variable value to determine whether to execute the operation of converting the state of the chassis port according to the identification result further includes:
and when the identification result is the moment when the storage device just starts to perform the state conversion of the chassis port, the first variable is changed from 1 to 0, and the real-time data of the second variable is copied to the fourth variable.
An embodiment of the present invention further provides a device for converting a state of a port of a chassis, including:
the variable creating module is used for creating a first variable representing a logic clock, a second variable representing the state of the chassis port inquired in real time, a third variable representing the state of the chassis port output by the logic and a fourth variable representing the state of the storage latch according to the logic of the abstract D trigger;
the state identification module is used for identifying the current state of the storage equipment for converting the state of the chassis port;
and the variable control module is used for controlling the created variable value according to the identification result so as to determine whether to execute the conversion operation of the state of the chassis port.
Preferably, in the apparatus for converting a chassis port state provided in an embodiment of the present invention, the variable control module is specifically configured to, when the identification result indicates that the storage device is performing a chassis port state conversion, set the first variable to 0, keep the third variable unchanged, and do not perform a new chassis port state conversion operation.
Preferably, in the apparatus for converting a chassis port state provided in the embodiment of the present invention, the variable control module is further specifically configured to, when the identification result indicates that the storage device does not perform chassis port state conversion, set the first variable to 1, and set the chassis port state to the second variable.
Preferably, in the apparatus for converting a chassis port state provided in an embodiment of the present invention, the variable control module is further specifically configured to change the first variable from 1 to 0 when the identification result is that the storage device starts to perform the chassis port state conversion, and copy the real-time data of the second variable into the fourth variable.
The embodiment of the present invention further provides a device for converting a state of a chassis port, which includes a processor and a memory, wherein when the processor executes a computer program stored in the memory, the method for converting a state of a chassis port according to the embodiment of the present invention is implemented.
The embodiment of the present invention further provides a computer-readable storage medium, configured to store a computer program, where the computer program, when executed by a processor, implements the above chassis port state transition method provided in the embodiment of the present invention.
It can be seen from the above technical solutions that, a method, an apparatus, a device, and a storage medium for converting a state of a chassis port provided by the present invention include: according to the logic of the abstract D trigger, a first variable representing a logic clock, a second variable representing the state of a chassis port inquired in real time, a third variable representing the state of the chassis port output by the logic and a fourth variable representing the state of a storage latch are created; identifying the current state of the storage equipment for converting the state of the chassis port; and controlling the created variable value to determine whether to execute the state transition operation of the chassis port according to the identification result.
The invention realizes the state conversion of the chassis port by using the algorithm principle of the D trigger, can reduce the time for the state conversion of the chassis port, reduce the discovery frequency and reduce the execution of unnecessary state conversion logic of the chassis port, thereby reducing the influence on the service performance of a user as much as possible and improving the utilization rate of resources by storage equipment.
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 embodiments or the prior art descriptions 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 flowchart of a chassis port state transition method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a chassis port state transition device 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.
The invention provides a case port state conversion method, as shown in fig. 1, comprising the following steps:
s101, according to the logic of the abstract D trigger, creating a first variable representing a logic clock, a second variable representing a case port state inquired in real time, a third variable representing a case port state output by the logic, and a fourth variable representing a storage latch state;
it should be noted that the above method for converting the state of the chassis port provided by the present invention is based on the logic of an abstract D flip-flop, and is not an actual D flip-flop chip, and has a latch function, and can filter out some unnecessary processes, thereby increasing the speed of converting the state of the chassis port;
s102, identifying the current state of the storage equipment for converting the state of the chassis port;
the current status may include that the storage device is performing a chassis port state transition (the storage device performs chassis discovery), the storage device is not performing a chassis port state transition (the storage device does not perform chassis discovery), the storage device just starts to perform a chassis port state transition (the storage device just starts to perform chassis discovery), and the like; the chassis discovery specifically refers to inquiring the information of the chassis through a SCSI protocol, and further identifying the type and the state of the chassis;
and S103, controlling the created variable value according to the identification result to determine whether to execute the state conversion operation of the chassis port.
In the method for converting a state of a chassis port provided in an embodiment of the present invention, first, according to a logic of an abstract D flip-flop, a first variable representing a logic clock, a second variable representing a state of a chassis port queried in real time, a third variable representing a state of a chassis port output by the logic, and a fourth variable representing a state of a latch are created; then identifying the current state of the storage equipment for converting the state of the chassis port; and finally, controlling the created variable value according to the identification result to determine whether to execute the state conversion operation of the chassis port. Therefore, by using the algorithm principle of the D trigger, through the logic clock change and the trigger state, whether the state conversion of the chassis port needs to be executed is determined, the time for the state conversion of the chassis port can be shortened, the discovery frequency can be reduced, unnecessary execution of the state conversion logic of the chassis port can be reduced, the influence on the service performance of a user can be reduced as far as possible, and the utilization rate of resources by the storage device can be improved.
In practical applications, the first variable may be clock, the second variable may be data, the third variable may be present, and the fourth variable may be present _ old.
Further, in a specific implementation, in the chassis port state transition method provided in the embodiment of the present invention, the step S103 controls the created variable value according to the identification result to determine whether to execute the chassis port state transition operation, which may specifically include: and when the identification result indicates that the storage device is performing the chassis port state conversion, the first variable is 0, the third variable remains unchanged, and a new chassis port state conversion operation is not executed. That is to say, when the storage device performs enclosure discovery, the clock is 0, no new enclosure discovery operation is performed, and the present remains unchanged, so that it can be ensured that new enclosure port state transition cannot be triggered when the enclosure port state transition is performed, so as to reduce unnecessary processing of software, and ensure the robustness and performance of the storage system.
Further, in specific implementation, in the above method for converting a state of a chassis port provided in the embodiment of the present invention, step S103 controls the created variable value according to the identification result to determine whether to execute the operation of converting the state of the chassis port, which may specifically include: and when the identification result indicates that the storage device does not perform chassis port state conversion, the first variable is 1, and the chassis port state is the second variable. That is to say, when the storage device does not perform enclosure discovery, the clock is 1, and the enclosure port state is the state data queried in real time, so that it can be ensured that the storage device quickly recognizes that the enclosure port state conversion is completed, so as to quickly update the conversion of the enclosure port state, and further ensure the robustness and performance of the storage system.
Further, in a specific implementation, in the chassis port state transition method provided in the embodiment of the present invention, the step S103 controls the created variable value according to the identification result to determine whether to execute the chassis port state transition operation, and may specifically include: and when the identification result is the moment when the storage equipment just starts to carry out the state conversion of the chassis port, the first variable is changed from 1 to 0, and the real-time data of the second variable is copied to the fourth variable. That is, when the storage device starts to perform the enclosure discovery, the clock is changed from 1 to 0, and the real-time data is copied to the fourth variable (latch variable).
Based on the same inventive concept, embodiments of the present invention further provide a chassis port state switching device, and as the principle of the chassis port state switching device for solving the problem is similar to the aforementioned chassis port state switching method, the implementation of the chassis port state switching device may refer to the implementation of the chassis port state switching method, and repeated details are not repeated.
In specific implementation, the chassis port state transition device provided in the embodiment of the present invention, as shown in fig. 2, specifically includes:
the variable creating module 11 is configured to create, according to the logic of the abstract D flip-flop, a first variable representing a logic clock, a second variable representing a chassis port state queried in real time, a third variable representing a chassis port state output by the logic, and a fourth variable representing a state of a storage latch;
the status identification module 12 is configured to identify a current status of the storage device for performing the chassis port status conversion;
and a variable control module 13, configured to control the created variable value according to the identification result to determine whether to perform the chassis port state transition operation.
In the apparatus for converting a chassis port state provided in the embodiment of the present invention, whether chassis port state conversion needs to be performed or not may be determined by using an algorithm principle of a D flip-flop through interaction of the three modules, which may reduce time for chassis port state conversion, reduce frequency for chassis port state conversion, and reduce unnecessary execution of chassis port state conversion logic, so as to reduce influence on user service performance as much as possible and improve utilization rate of a storage device on resources.
Further, in a specific implementation, in the above enclosure port state converting apparatus provided in the embodiment of the present invention, the variable control module 13 may be specifically configured to, when the identification result indicates that the storage device is performing enclosure port state conversion, set the first variable to 0, keep the third variable unchanged, and not perform a new enclosure port state conversion operation.
Further, in a specific implementation, in the above apparatus for converting a chassis port state provided in the embodiment of the present invention, the variable control module 13 may be specifically configured to, when the identification result indicates that the storage device does not perform chassis port state conversion, set the first variable to 1, and set the chassis port state to the second variable.
Further, in a specific implementation, in the above enclosure port state conversion apparatus provided in the embodiment of the present invention, the variable control module 13 may be further specifically configured to change the first variable from 1 to 0 when the identification result is that the storage device starts to perform enclosure port state conversion, and copy the real-time data of the second variable to the fourth variable.
For more specific working processes of the modules, reference may be made to corresponding contents disclosed in the foregoing embodiments, and details are not repeated here.
Correspondingly, the embodiment of the invention also discloses a case port state conversion device, which comprises a processor and a memory; the method for converting the state of the chassis port disclosed in the foregoing embodiments is implemented when the processor executes the computer program stored in the memory.
For more specific processes of the method, reference may be made to corresponding contents disclosed in the foregoing embodiments, and details are not repeated here.
Further, the present invention also discloses a computer readable storage medium for storing a computer program; the computer program when executed by the processor implements the enclosure port state transition method disclosed above.
For more specific processes of the above method, reference may be made to corresponding contents disclosed in the foregoing embodiments, and details are not repeated here.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device, the equipment and the storage medium disclosed by the embodiment correspond to the method disclosed by the embodiment, so that the description is relatively simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. 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 present application.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The method, device, equipment and storage medium for converting the state of the port of the case, provided by the embodiment of the invention, comprise the following steps: according to the logic of the abstract D trigger, a first variable representing a logic clock, a second variable representing the state of a chassis port inquired in real time, a third variable representing the state of the chassis port output by the logic and a fourth variable representing the state of a storage latch are created; identifying the current state of the storage equipment for converting the state of the chassis port; and controlling the created variable value to determine whether to execute the chassis port state transition operation according to the identification result. Therefore, the conversion of the state of the port of the case is realized by utilizing the algorithm principle of the D trigger, the conversion time of the state of the port of the case can be reduced, the conversion frequency of the state of the port of the case is reduced, and the execution of unnecessary state conversion logic of the port of the case is reduced, so that the influence on the service performance of a user is reduced as much as possible, and the utilization rate of resources by the storage equipment is improved.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above detailed description is provided for the method, apparatus, device and storage medium for converting the state of the chassis port provided by the present invention, and a specific example is applied in the present document to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (4)
1. A method for converting the state of a port of a case is characterized by comprising the following steps:
according to the logic of the abstract D trigger, a first variable representing a logic clock, a second variable representing the state of a chassis port inquired in real time, a third variable representing the state of the chassis port output by the logic and a fourth variable representing the state of a storage latch are created;
identifying the current state of the storage equipment for converting the state of the chassis port;
controlling the created variable value to determine whether to execute the state conversion operation of the chassis port according to the identification result; when the identification result indicates that the storage device is performing chassis port state conversion, the first variable is 0, the third variable remains unchanged, and no new chassis port state conversion operation is performed; when the identification result indicates that the storage device does not perform chassis port state conversion, the first variable is 1, and the chassis port state is the second variable; and when the identification result is the moment when the storage device just starts to perform the state conversion of the chassis port, the first variable is changed from 1 to 0, and the real-time data of the second variable is copied to the fourth variable.
2. A cabinet port state switching apparatus, comprising:
the variable creating module is used for creating a first variable representing a logic clock, a second variable representing a chassis port state queried in real time, a third variable representing a chassis port state output by the logic and a fourth variable representing a stored latching state according to the logic of the abstract D trigger;
the state identification module is used for identifying the current state of the storage equipment for converting the state of the chassis port;
the variable control module is used for controlling the created variable value according to the identification result so as to determine whether to execute the state conversion operation of the chassis port; the variable control module is specifically configured to, when the identification result indicates that the storage device is performing state transition of a chassis port, set the first variable to 0, keep the third variable unchanged, and not perform a new state transition operation of the chassis port; the identification result is that the storage device does not perform the chassis port state conversion, the first variable is 1, and the chassis port state is the second variable; specifically, the method is further configured to, when the identification result is that the storage device just starts to perform the state transition of the enclosure port, change the first variable from 1 to 0, and copy the real-time data of the second variable to the fourth variable.
3. A chassis port state transition device comprising a processor and a memory, wherein the processor implements the chassis port state transition method according to claim 1 when executing a computer program stored in the memory.
4. A computer-readable storage medium for storing a computer program, wherein the computer program when executed by a processor implements the chassis port state transition method of claim 1.
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| CN202010071698.1A CN111309253B (en) | 2020-01-21 | 2020-01-21 | Method, device, equipment and storage medium for converting state of machine case port |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852842A (en) * | 2012-08-29 | 2013-01-02 | 中国电力科学研究院 | Chassis fan control system based on FPGA (Field Programmable Gate Array) and control method thereof |
| CN109491882A (en) * | 2018-11-06 | 2019-03-19 | 郑州云海信息技术有限公司 | A kind of chassis data processing method, system, equipment cabinets and readable storage medium storing program for executing |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852842A (en) * | 2012-08-29 | 2013-01-02 | 中国电力科学研究院 | Chassis fan control system based on FPGA (Field Programmable Gate Array) and control method thereof |
| CN109491882A (en) * | 2018-11-06 | 2019-03-19 | 郑州云海信息技术有限公司 | A kind of chassis data processing method, system, equipment cabinets and readable storage medium storing program for executing |
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