CN114138575A - Method, device, equipment and medium for testing data garbage recovery of hard disk - Google Patents
Method, device, equipment and medium for testing data garbage recovery of hard disk Download PDFInfo
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- CN114138575A CN114138575A CN202111415448.6A CN202111415448A CN114138575A CN 114138575 A CN114138575 A CN 114138575A CN 202111415448 A CN202111415448 A CN 202111415448A CN 114138575 A CN114138575 A CN 114138575A
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- 238000012360 testing method Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000011084 recovery Methods 0.000 title claims abstract description 8
- 238000004590 computer program Methods 0.000 claims description 11
- 238000010998 test method Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The application discloses a method for testing hard disk data garbage recovery, which comprises the following steps: when the destination SSD is full of data, writing the destination data into the destination SSD at a preset frequency, and acquiring a destination writing speed of the destination data; if the target write speed is less than the average write speed of the target SSD during the write operation, judging that the target SSD executes the garbage collection operation; and suspending writing of the target data into the target SSD and sending an admin command to the target SSD so as to test the performance of the target SSD during execution of the garbage collection operation. Obviously, by the method, not only can the time when the SSD executes the garbage collection operation be monitored, but also the robustness of the SSD when the SSD executes the garbage collection operation can be tested. Correspondingly, the test device, the equipment and the medium for hard disk data garbage recycling have the beneficial effects.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method, a device, equipment and a medium for testing hard disk data garbage recovery.
Background
When a target file is deleted in the operating system, the operating system can only mark its internal file table to indicate that the target file has been deleted. Since NAND (NAND Flash Memory) cannot overwrite existing data, invalid data still remains on an SSD (Solid State drive) after a target file in an operating system is deleted, which causes a large amount of invalid data, i.e., data garbage, to exist on the SSD.
In order to avoid the occurrence of invalid data, the SSD is required to perform a Garbage Collection operation (GC), but in the prior art, the host cannot sense when the SSD performs the Garbage Collection operation, so that the robustness of the SSD when the Garbage Collection operation is performed cannot be tested. At present, no effective solution exists for the technical problem.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a method, an apparatus, a device and a medium for testing garbage collection of hard disk data, so as to monitor when a destination SSD performs a garbage collection operation, and simultaneously test robustness of the SSD during the garbage collection operation. The specific scheme is as follows:
a test method for hard disk data garbage recovery comprises the following steps:
when the destination SSD is full of data, writing the destination data into the destination SSD at a preset frequency, and acquiring a destination writing speed of the destination data;
if the target write speed is less than the average write speed of the target SSD during write operation, judging that the target SSD executes garbage collection operation;
suspending writing of the target data to the target SSD and sending an admin command to the target SSD to test performance of the target SSD when executing the garbage collection operation.
Preferably, the obtaining of the average writing speed includes:
writing a plurality of data into the destination SSD, and acquiring the writing speed of each data when the data is written into the destination SSD to obtain a destination writing speed set;
and acquiring the average write speed of the target SSD in the process of executing write operation according to the target write speed set.
Preferably, the process of writing a plurality of data into the destination SSD includes:
randomly writing a plurality of data to the destination SSD.
Preferably, after the process of testing the performance of the target SSD when performing the garbage collection operation, the method further includes:
and acquiring a target test result, and optimizing the performance of the target SSD by using the target test result.
Preferably, the admin command includes: format command and/or TRIM naming and/or reset command.
Preferably, the sending an admin command to the destination SSD to test performance of the destination SSD when performing the garbage collection operation includes:
and sending the format command and/or the TRIM command and/or the reset command to the destination SSD according to a preset rule so as to test the performance of the destination SSD during the garbage collection operation.
Correspondingly, the invention also provides a test device for hard disk data garbage recovery, which comprises:
the data writing module is used for writing target data into the target SSD at a preset frequency when the target SSD is full of data, and acquiring a target writing speed of the target data;
an operation determination module, configured to determine that the destination SSD is performing a garbage collection operation if the destination write speed is less than an average write speed of the destination SSD when performing a write operation;
and the performance testing module is used for suspending the target data from being written into the target SSD and sending an admin command to the target SSD so as to test the performance of the target SSD during the garbage collection operation.
Correspondingly, the invention also provides a test device for hard disk data garbage recovery, which comprises:
a memory for storing a computer program;
and the processor is used for realizing the steps of the test method for the data garbage collection of the hard disk when the computer program is executed.
Correspondingly, the invention also discloses a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and when the computer program is executed by a processor, the steps of the method for testing the data garbage collection of the hard disk are realized.
Therefore, in the invention, when the destination SSD is full of data, the destination data is written into the destination SSD at a preset frequency, and the destination writing speed of the destination data is obtained; and if the target writing speed of the target data is less than the average writing speed of the target SSD during the write operation, indicating that the target SSD is performing the garbage collection operation, suspending the writing of the target data into the target SSD at the moment, and sending an admin command to the target SSD so as to test the performance of the target SSD during the garbage collection operation. Obviously, the method can not only monitor when the target SSD executes the garbage collection operation, but also test the robustness of the target SSD when the target SSD executes the garbage collection operation. Correspondingly, the testing device, the equipment and the medium for hard disk data garbage collection provided by the invention also have the beneficial effects.
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 flowchart of a method for testing hard disk data garbage collection according to an embodiment of the present invention;
fig. 2 is a structural diagram of a hard disk data garbage collection testing apparatus according to an embodiment of the present invention;
fig. 3 is a structural diagram of a test apparatus for hard disk data garbage collection 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, fig. 1 is a flowchart of a method for testing hard disk data garbage collection according to an embodiment of the present invention, where the method includes:
step S11: when the destination SSD is full of data, writing the destination data into the destination SSD at a preset frequency, and acquiring a destination writing speed of the destination data;
step S12: if the target write speed is less than the average write speed of the target SSD during the write operation, judging that the target SSD executes the garbage collection operation;
step S13: and suspending writing of the target data into the target SSD and sending an admin command to the target SSD so as to test the performance of the target SSD during execution of the garbage collection operation.
In this embodiment, a method for testing garbage collection of hard disk data is provided, by which not only when a target SSD performs a garbage collection operation can be monitored, but also robustness of the target SSD during the garbage collection operation can be tested.
In the method, firstly, when the destination SSD is fully written with data, destination data is written into the destination SSD at a preset frequency, and a destination writing speed of the destination data when the destination data is written into the destination SSD is obtained; then, comparing the target write speed of the target data written into the target SSD with the average write speed of the target SSD during the write operation, and if the target write speed of the target data written into the target SSD is greater than or equal to the average write speed of the target SSD during the write operation, indicating that the target SSD is not performing garbage collection operation at the moment; if the target write speed of the target data written into the target SSD is less than the average write speed of the target SSD when the target SSD executes the write operation, the target SSD is indicated to execute the garbage collection operation at the moment. Specifically, the preset frequency may be set to 10 seconds/time or 5 seconds/time, and of course, the preset frequency may also be adaptively adjusted according to different actual situations, which is not specifically limited herein.
It can be understood that the processing capacity of the destination SSD is limited per unit time, so that when the destination data is written to the destination SSD at a predetermined frequency in the case where the destination SSD is full of data, if the destination SSD is not performing garbage collection operation, the destination write speed of the destination data to the destination SSD is substantially the same as the average write speed of the destination SSD when performing write operation; if the destination SSD is performing a garbage collection operation, the destination write speed for writing the destination data to the destination SSD may be less than the destination write speed for writing the destination data to the destination SSD. Therefore, it can be determined whether the destination SSD is performing garbage collection operation at the current time based on the attribute feature of the destination SSD.
And when the target SSD is determined to execute the garbage collection operation, suspending writing of the target data into the target SSD and sending the admin command to the target SSD, wherein the robustness of the target SSD when executing the garbage collection operation can be determined by observing an execution result of the target SSD when executing the admin command. In addition, because the types of the admin commands are various, when the admin commands are sent to the destination SSD, the admin commands of various types can be sent to the destination SSD in a mode of circulating for multiple times, and therefore the robustness of the destination SSD in the process of executing garbage collection operation under the complex environment can be tested.
Compared with the prior art, the method can not only monitor when the target SSD executes the garbage collection operation, but also test the robustness of the target SSD when executing the garbage collection operation, so that the user experience can be obviously improved by the method.
As can be seen, in this embodiment, when the destination SSD is full of data, the destination data is first written into the destination SSD at a preset frequency, and a destination writing speed of the destination data is obtained; and if the target writing speed of the target data is less than the average writing speed of the target SSD during the write operation, indicating that the target SSD is performing the garbage collection operation, suspending the writing of the target data into the target SSD at the moment, and sending an admin command to the target SSD so as to test the performance of the target SSD during the garbage collection operation. Obviously, the method can not only monitor when the target SSD executes the garbage collection operation, but also test the robustness of the target SSD when the target SSD executes the garbage collection operation.
Based on the foregoing embodiment, this embodiment further describes and optimizes the technical solution, and as a preferred implementation, the obtaining process of the average writing speed includes:
writing a plurality of data into the destination SSD, and acquiring the writing speed of each data when the data is written into the destination SSD to obtain a destination writing speed set;
and acquiring the average write speed of the destination SSD in the write operation according to the destination write speed set.
In this embodiment, when obtaining the average write speed of the destination SSD when performing the write operation, first write a plurality of data into the destination SSD, and then respectively obtain the write speed of each data when writing into the destination SSD, so as to obtain a destination write speed set composed of the write speeds; and finally, obtaining the average writing speed of the target SSD in the writing operation by obtaining the average value of all the writing speeds in the target writing speed set.
As a preferred embodiment, the above steps: a process for writing a plurality of data into a destination SSD, comprising:
the plurality of data is randomly written to the destination SSD.
Specifically, when writing a plurality of data into the destination SSD, the plurality of data may be written randomly into the destination SSD. Since the speed of the write operation performed by the destination SSD in different operating states can be accurately known by randomly writing a plurality of data to the destination SSD, the accuracy and reliability of the average write speed of the destination SSD when performing the write operation can be further improved by such an arrangement.
Based on the above embodiments, this embodiment further describes and optimizes the technical solution, and as a preferred implementation, the above steps: after the process of testing the performance of the destination SSD when performing garbage collection operations, the method further includes:
and acquiring a target test result, and optimizing the performance of the target SSD by using the target test result.
It can be appreciated that by sending an admin command to the destination SSD when the destination SSD is performing a garbage collection operation, the robustness of the destination SSD in performing the garbage collection operation can be accurately known. Then, when the destination SSD executes the garbage collection operation, the functional defect of the destination SSD when executing various operation commands can be obtained by obtaining the target test result of the destination SSD when executing the admin command, and therefore, the performance of the destination SSD can be optimized and perfected by the target test result.
Obviously, the technical scheme provided by the embodiment can further improve the overall reliability of the destination SSD in the use process.
Based on the foregoing embodiment, this embodiment further describes and optimizes the technical solution, and as a preferred implementation, the admin command includes: format command and/or TRIM naming and/or reset command.
It is to be understood that because the admin command includes: format naming, TRIM commands, and reset commands, etc., so that when an admin command is sent to the destination SSD, the format command and/or TRIM commands and/or reset commands can be sent to the destination SSD.
As a preferred embodiment, the above steps: a process of sending an admin command to a destination SSD for testing performance of the destination SSD when performing garbage collection operations, comprising:
and sending a formatting command and/or a TRIM command and/or a reset command to the destination SSD according to a preset rule so as to test the performance of the destination SSD during the garbage collection operation.
The method is used for testing the robustness of the target SSD in the process of executing garbage collection operation in a complex environment and ensuring the comprehensiveness and reliability of the test result. In the actual operation process, a format command and/or a TRIM command and/or a reset command can be sent to the destination SSD according to a preset rule.
Such as: the method comprises the steps that a format command, a TRIM command and a reset command can be sequentially sent to a destination SSD within a preset time according to a time interval of 1 second; or sequentially sending a TRIM command, a reset command and a format command to the destination SSD according to a time interval of 2 seconds until the operation is cyclically repeated for 100 times; or sending an admin command to the destination SSD according to a command sending rule customized by a user to test the performance of the destination SSD during the execution of the garbage collection operation.
Referring to fig. 2, fig. 2 is a structural diagram of a hard disk data garbage collection testing apparatus according to an embodiment of the present invention, where the apparatus includes:
a data writing module 21, configured to write target data into the destination SSD at a preset frequency and obtain a target writing speed of the target data when the destination SSD is full of data;
an operation determination module 22, configured to determine that the destination SSD is performing a garbage collection operation if the destination write speed is less than an average write speed of the destination SSD when performing the write operation;
and the performance testing module 23 is configured to suspend writing of the target data into the destination SSD, and send an admin command to the destination SSD, so as to test performance of the destination SSD when performing the garbage collection operation.
The test device for hard disk data garbage collection provided by the embodiment of the invention has the beneficial effects of the test method for hard disk data garbage collection disclosed by the embodiment of the invention.
Referring to fig. 3, fig. 3 is a structural diagram of a test apparatus for hard disk data garbage collection according to an embodiment of the present invention, where the apparatus includes:
a memory 31 for storing a computer program;
the processor 32 is configured to implement the steps of the method for testing data garbage collection of a hard disk as disclosed in the foregoing disclosure when executing the computer program.
The test equipment for hard disk data garbage collection provided by the embodiment of the invention has the beneficial effects of the test method for hard disk data garbage collection disclosed by the embodiment of the invention.
Accordingly, an embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method for testing hard disk data garbage collection disclosed in the foregoing are implemented.
The computer-readable storage medium provided by the embodiment of the invention has the beneficial effects of the method for testing the data garbage collection of the hard disk.
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 disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
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 phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The method, the device, the equipment and the medium for testing the data garbage collection of the hard disk provided by the invention are introduced in detail, a specific example is applied in the text to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the 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 (9)
1. A test method for hard disk data garbage recovery is characterized by comprising the following steps:
when the destination SSD is full of data, writing the destination data into the destination SSD at a preset frequency, and acquiring a destination writing speed of the destination data;
if the target write speed is less than the average write speed of the target SSD during write operation, judging that the target SSD executes garbage collection operation;
suspending writing of the target data to the target SSD and sending an admin command to the target SSD to test performance of the target SSD when executing the garbage collection operation.
2. The test method according to claim 1, wherein the obtaining of the average writing speed comprises:
writing a plurality of data into the destination SSD, and acquiring the writing speed of each data when the data is written into the destination SSD to obtain a destination writing speed set;
and acquiring the average write speed of the target SSD in the process of executing write operation according to the target write speed set.
3. The method of claim 2, wherein the writing of the plurality of data into the destination SSD comprises:
randomly writing a plurality of data to the destination SSD.
4. The method of claim 1, wherein the step of testing the performance of the destination SSD in performing the garbage collection operation is further performed after the step of:
and acquiring a target test result, and optimizing the performance of the target SSD by using the target test result.
5. The testing method of any of claims 1-4, wherein the admin command comprises: format command and/or TRIM naming and/or reset command.
6. The method according to claim 5, wherein the sending an admin command to the destination SSD for testing performance of the destination SSD in performing the garbage collection operation comprises:
and sending the format command and/or the TRIM command and/or the reset command to the destination SSD according to a preset rule so as to test the performance of the destination SSD during the garbage collection operation.
7. The utility model provides a testing arrangement of hard disk data rubbish is retrieved which characterized in that includes:
the data writing module is used for writing target data into the target SSD at a preset frequency when the target SSD is full of data, and acquiring a target writing speed of the target data;
an operation determination module, configured to determine that the destination SSD is performing a garbage collection operation if the destination write speed is less than an average write speed of the destination SSD when performing a write operation;
and the performance testing module is used for suspending the target data from being written into the target SSD and sending an admin command to the target SSD so as to test the performance of the target SSD during the garbage collection operation.
8. The utility model provides a test equipment that hard disk data rubbish was retrieved which characterized in that includes:
a memory for storing a computer program;
a processor for implementing the steps of the method for testing data garbage collection of a hard disk according to any one of claims 1 to 6 when executing the computer program.
9. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of a method for testing data garbage collection of a hard disk according to any one of claims 1 to 6.
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