CN109003646A - A kind of data processing method and single-chip microcontroller - Google Patents
A kind of data processing method and single-chip microcontroller Download PDFInfo
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- CN109003646A CN109003646A CN201810820819.0A CN201810820819A CN109003646A CN 109003646 A CN109003646 A CN 109003646A CN 201810820819 A CN201810820819 A CN 201810820819A CN 109003646 A CN109003646 A CN 109003646A
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/56—External testing equipment for static stores, e.g. automatic test equipment [ATE]; Interfaces therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/76—Architectures of general purpose stored program computers
- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
- G06F15/7807—System on chip, i.e. computer system on a single chip; System in package, i.e. computer system on one or more chips in a single package
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Abstract
This application discloses a kind of data processing methods, for in solid state hard disk research and development test, the product information of solid state hard disk main control chip generation is controlled and saved using detection process of the single-chip microcontroller to the environmental variance of solid state hard disk, when there is job failure in solid state hard disk, single-chip microcontroller sends product information to server, so that server can carry out fault detection to solid state hard disk according to product information.The embodiment of the present application method includes: the detection information that single-chip microcontroller obtains solid state hard disk；The single-chip microcontroller sends the detection information to the main control chip of the solid state hard disk；The single-chip microcontroller receives the product information that the main control chip is sent, and the product information is generated by the main control chip according to the detection information；When job failure occurs in the solid state hard disk, the single-chip microcontroller sends the product information to server, and the product information carries out fault diagnosis to the solid state hard disk for the server.
Description
Technical field
This application involves data processing field more particularly to a kind of data processing method and single-chip microcontrollers.
Background technique
Solid state hard disk needs to carry out research and development test after producing.Wherein test includes two aspects, on the one hand needs
The performance of solid state hard disk is tested, for example, to the reading and writing data speed of solid state hard disk and data storage stability etc. into
On the other hand row test while being tested for the property, is tested the environmental variance of solid state hard disk, such as to solid-state
The temperature of hard disk and the electric current and voltage loaded in solid state hard disk are tested.
Currently, when testing the environmental variances such as temperature, electric current and the voltage of solid state hard disk, by the main control chip of solid state hard disk
Test process is controlled, product information is generated according to detection information, product information includes staple product information data
(vital product data, VPD) and health status information, main control chip save product information in solid state hard disk.
But during the test, if job failure occurs for solid state hard disk, then the product information saved will be unable to be serviced
Device obtains, and can not carry out fault diagnosis to solid state hard disk according to product information so as to cause server.
Summary of the invention
The embodiment of the present application discloses a kind of data processing method, for utilizing monolithic in solid state hard disk research and development test
Machine carries out control to the detection process of the environmental variance of solid state hard disk and generates corresponding detection information, and saves solid state hard disk master control
The product information that chip is generated according to detection information.When job failure occurs in solid state hard disk, single-chip microcontroller sends to server and produces
Product information, so that server can carry out fault detection to solid state hard disk according to product information.
In a first aspect, the embodiment of the present application provides a kind of data processing method, may include:
The detection information of single-chip microcontroller acquisition solid state hard disk；
The single-chip microcontroller sends the detection information to the main control chip of the solid state hard disk；
The single-chip microcontroller receives the product information of main control chip transmission, and the product information is by the main control chip according to the detection
Information generates；
When job failure occurs in the solid state hard disk, which sends the product information to server, the product information
Fault diagnosis is carried out to the solid state hard disk for the server.
Optionally, in some embodiments of the present application, this method can also include:
The single-chip microcontroller receives the system upgrade file of main control chip transmission；
The single-chip microcontroller is according to the current system of the system upgrade document upgrading single-chip microcontroller.
Optionally, in some embodiments of the present application, after which obtains the detection information of solid state hard disk, the party
Method can also include:
If the single-chip microcontroller determines the solid state hard disk electricity shortage according to the detection information, the single-chip microcontroller is to the main control chip
Send warning information.
Optionally, in some embodiments of the present application, this method can also include:
The single-chip microcontroller obtains clocked flip instruction；
The single-chip microcontroller obtain solid state hard disk detection information may include:
The single-chip microcontroller obtains the detection information of solid state hard disk according to the clocked flip instruction cycle property.
Optionally, in some embodiments of the present application, which may include in temperature, electric current and information of voltage
At least one.
Second aspect, the embodiment of the present application provide a kind of single-chip microcontroller, may include:
Acquiring unit, for obtaining the detection information of solid state hard disk；
Transmission unit, for sending the detection information to the main control chip of the solid state hard disk；When work occurs in the solid state hard disk
When making failure, the product information is sent to server, which carries out failure to the solid state hard disk for the server and examine
It is disconnected；
Receiving unit, for receive the main control chip transmission product information, the product information by the main control chip according to
The detection information generates.
Optionally, in some embodiments of the present application,
The receiving unit is also used to receive the system upgrade file of main control chip transmission；
The single-chip microcontroller can also include:
Upgrade unit, for the current system according to the system upgrade document upgrading single-chip microcontroller.
Optionally, in some embodiments of the present application,
The transmission unit, if being also used to determine the solid state hard disk electricity shortage according to the detection information, to the master control core
Piece sends warning information.
Optionally, in some embodiments of the present application,
The acquiring unit is also used to obtain clocked flip instruction；It is hard that solid-state is obtained according to the clocked flip instruction cycle property
The detection information of disk.
Optionally, in some embodiments of the present application, the detection information include in temperature, electric current and information of voltage extremely
Few one kind.
The third aspect, the embodiment of the present application provide a kind of single-chip microcontroller, and the single-chip microcontroller includes: processor, memory；It is described
Memory is for storing instruction；The processor is used to execute the described instruction in the memory, so that the single-chip microcontroller is held
Row method as described in aforementioned first aspect and any optional implementation.
Fourth aspect, the embodiment of the present application provide a kind of computer program product, when run on a computer, so that
Computer executes the method as described in aforementioned first aspect and any optional implementation.
5th aspect, the embodiment of the present application provides a kind of computer storage medium, including instruction, when it is transported on computers
When row, so that computer executes the method as described in aforementioned first aspect and any optional implementation.
The computer storage medium include: USB flash disk, mobile hard disk, read-only memory (read-only memory, ROM), with
Machine accesses various Jie that can store program code such as memory (random access memory, RAM), magnetic or disk
Matter.
As can be seen from the above technical solutions, the embodiment of the present application has the advantage that
In the research and development test for carrying out solid state hard disk, by the test process of single-chip microcontroller control solid state hard disk environmental variance, obtain
Corresponding detection information in the test process is taken, and will test the main control chip that information is sent to solid state hard disk.Single-chip microcontroller receives
And save the product information that main control chip is generated according to the detection information.When there is job failure in solid state hard disk, single-chip microcontroller to
Server sends the product information, so that server can realize the fault diagnosis to the solid state hard disk according to the product information.
Detailed description of the invention
Fig. 1 is the schematic diagram of single-chip microcontroller, main control chip and server connection relationship in the embodiment of the present application；
Fig. 2 is one embodiment schematic diagram of data processing method in the embodiment of the present application；
Fig. 3 is one embodiment schematic diagram of single-chip microcontroller in the embodiment of the present application；
Fig. 4 is another embodiment schematic diagram of single-chip microcontroller in the embodiment of the present application；
Fig. 5 is another embodiment schematic diagram of single-chip microcontroller in the embodiment of the present application.
Specific embodiment
Solid state hard disk (solid state drive, SSD) referred to as consolidates disk, is a kind of solid-state electronic storage chip array
And manufactured hard disk, be made of main control chip and storage unit, storage unit can be divided into flash memory (Flash) chip and dynamic with
Machine accesses memory (dynamic random access memory, DRAM) chip.Wherein, main control chip is solid state hard disk
Brain, effect is first is that load of the rational allocation data in each storage unit, is second to assume responsibility for entire data relay, even
Connect storage unit and Serial Advanced Technology Attachment (serial advanced technology attachment, STAT) interface.
Solid state hard disk work normally when, main control chip is connect with host, main control chip can active receiving host instruction, according to finger
Operation is enabled, self-generating can also instruct at runtime, flash chip is controlled.
Micro-control unit (micro controller unit, MCU), also known as one chip microcomputer (single chip
It microcomputer) or single-chip microcontroller, is by the frequency and specification of central processing unit (central process unit, CPU)
Do appropriate reduction, and the computer for the chip-scale that memory (memory), counter (timer) and various interfaces are formed.It is single
Piece machine can do various combination control, such as mobile phone, computer peripheral, remote controler according to different applications, until vapour
Vehicle electronics, industrial stepper motor, control of robotic arm etc., the figure of all visible single-chip microcontroller.
In the present embodiment, twin wire universal serial bus can be used between single-chip microcontroller, main control chip and testing service device
(inter-integrated circuit, I2C) bus connection, so that two sides in office can realize the double of instruction and data
To transmission, connection schematic diagram is as shown in Figure 1.
When testing, environmental variance can be regulated and controled by single-chip microcontroller and obtains the corresponding detection letter of environmental variance
Breath, or in the performance test, according to the fluctuation of performance, detect the environmental variance information of solid state hard disk.In detection process
In, environmental variance information and performance information corresponding with environmental variance are sent to server and analyzed by main control chip, thus
Complete the test to solid state hard disk.
It is below one embodiment schematic diagram of data processing method in the embodiment of the present application referring in particular to Fig. 2, Fig. 2, it can
To include:
201, single-chip microcontroller powers on carry out self-test.
In the present embodiment, after single-chip microcontroller powers on, the function of initializing of single-chip microcontroller itself is completed, and set registers
State.The self-test with external information then is carried out according to predetermined instruction, inquires temperature sensor, current sensor, voltage conversion is
It is no to work normally, capacitances to supply power is detected.After detection, single-chip microcontroller generates self-test information, and is saved, for hard
Disk master control obtains.
202, single-chip microcontroller periodically acquires the detection information of solid state hard disk.
In the present embodiment, detection information may include electric current, voltage and temperature information, and electric current and information of voltage refer to that load exists
For solid state hard disk work for power information in solid state hard disk, temperature information refers to the surface temperature of solid state hard disk.In practical application
In, it also can according to need addition other sensors, to realize the acquisition of other detection informations.
Single-chip microcontroller is provided with clocked flip mechanism inside single-chip microcontroller after powering on and completing self-test, according to the period set,
Periodically acquire the temperature of solid state hard disk and for detection informations such as power information, and it is empty in the storage of single-chip microcontroller to save the detection information
Between in.The period can according to circumstances be set, such as be set as obtaining the number of primary each sensor acquisition in every five seconds
According to.
Optionally, in the present embodiment, single-chip microcontroller can also have control function in addition to detection function.In solid-state
The interface of hard disk adds control module, and control module is connect with single-chip microcontroller, can actively be carried out to environmental variance by single-chip microcontroller
Change, from the corresponding detection information of acquisition environmental variance.
203, single-chip microcontroller sends detection information to the main control chip of solid state hard disk.
In the present embodiment, it should be noted that in the detection process, server and main control chip are sent repeatedly to single-chip microcontroller
Instruction, single-chip microcontroller obtains the detection information, and after getting detection information, single-chip microcontroller successively inquires each instruction using polling mechanism
State, when a certain instruction change when, single-chip microcontroller identifies the instruction, and according to the instruction uploading detection information or executes other behaviour
Make.After a cycle, single-chip microcontroller carries out the inquiry of next cycle.
204, main control chip generates product information using detection information.
In the present embodiment, product information includes staple product information data and health status information.Wherein, staple product is believed
Cease some information that data are the representative storage unit and main control chip, such as device type number, product sequence number and main control chip
Model etc., health information are the status information etc. of some components such as controller, port in solid state hard disk.In product information
It also needs comprising detection information, such as electric current, voltage or temperature information.After main control chip receives detection information, according to NVMe
(non-volatile memory express) agreement generates product information using monitoring information.
205, main control chip sends product information to single-chip microcontroller.
In the present embodiment, after main control chip generates product information, the product information is sent to single-chip microcontroller, single-chip microcontroller receives
To after the product information, the product information is saved in the memory space of single-chip microcontroller.
206, when job failure occurs in solid state hard disk, single-chip microcontroller sends the product information to server.
In the present embodiment, solid state hard disk breaks down, it may be possible to which the system of solid state hard disk collapse occurs and causes work event
Barrier, it is also possible to be external physical condition, such as electric current, voltage or temperature appearance exception lead to job failure.
It should be noted that when hard disk breaks down, it may be possible to which solid state hard disk sends Trouble Report letter to server
Breath, it is also possible to be the failure of server detection, after server knows that job failure occurs in solid state hard disk, server is to single-chip microcontroller
Send file acquisition request, single-chip microcontroller according to this document acquisition request searches corresponding product information from memory space and to clothes
Business device sends the product information.
207, server by utilizing product information carries out fault diagnosis to solid state hard disk.
In the present embodiment, after server receives product information, solid state hard disk is diagnosed according to product information.It needs
Illustrate, since solid state hard disk breaks down there may be a variety of situations, the information for including in product information is more, by right
The analysis of product information, can analysis to failure it is more comprehensive.
Optionally, if single-chip microcontroller detects solid state hard disk electricity shortage, single-chip microcontroller sends a warning message to main control chip.
In the present embodiment, the power-on time that electricity shortage can be capacitor on single-chip microcontroller is insufficient.In single-chip microcontroller power-on self-test
Afterwards, if can operate normally, situation when single-chip microcontroller is periodically detected the power supply of capacitor in solid state hard disk.The period can shift to an earlier date
It is set, such as can be set to 24 hours.If power-on time deficiency preset duration occurs, single-chip microcontroller can be to master control core
Piece and server send a warning message, and server issues alarm prompt according to warning information.Main control chip interrupt test process, etc.
It is to be powered it is normal after start to test.
Optionally, single-chip microcontroller receives the system upgrade file that main control chip is sent, and utilizes the system upgrade document upgrading
Current system.
In the present embodiment, when needing the system to single-chip microcontroller to upgrade, main control chip sends system liter to single-chip microcontroller
Grade instruction, system upgrade instruction carries system upgrade file, after single-chip microcontroller receives the instruction, to recorded information
Backup preservation is carried out, and the current system of single-chip microcontroller is upgraded using the system upgrade file.
Optionally, after main control chip receives detection information, state is adjusted according to detection information in real time.
It is real according to the fluctuation of detection information after main control chip receives the detection information of single-chip microcontroller transmission in the present embodiment
When adjust the performance of solid state hard disk, such as read and write rate, and the corresponding relationship of performance and detection information is sent to server and is protected
It deposits.
As can be seen from the above technical solutions, the embodiment of the present application has the advantage that
In the research and development test for carrying out solid state hard disk, by the test process of single-chip microcontroller control solid state hard disk environmental variance, obtain
Corresponding detection information in the test process is taken, and will test the main control chip that information is sent to solid state hard disk.Single-chip microcontroller receives
And save the product information generated on main control chip according to the detection information.When there is job failure in solid state hard disk, single-chip microcontroller
The product information is sent to server, the failure of the solid state hard disk is examined so that server can be realized according to the product information
It is disconnected.
Data processing method is illustrated in above-described embodiment, is said below with regard to the single-chip microcontroller in the embodiment of the present application
It is bright.
It is below one embodiment schematic diagram of single-chip microcontroller in the embodiment of the present application referring in particular to Fig. 3, Fig. 3, may include:
Acquiring unit 301, for obtaining the detection information of solid state hard disk；
Transmission unit 302, for sending the detection information to the main control chip of the solid state hard disk；When the solid state hard disk occurs
When job failure, the product information is sent to server, which carries out failure to the solid state hard disk for the server
Diagnosis.
Receiving unit 303, for receiving the product information of main control chip transmission, the product information is by the main control chip root
It is generated according to the detection information；
It optionally, is single-chip microcontroller in the embodiment of the present application referring in particular to Fig. 4, Fig. 4 in some embodiments of the present application
Another embodiment schematic diagram, the single-chip microcontroller can also include:
Receiving unit 303 is also used to receive the system upgrade file of main control chip transmission；
The single-chip microcontroller can also include:
Upgrade unit 304, for the current system according to the system upgrade document upgrading single-chip microcontroller.
Optionally, in some embodiments of the present application,
Transmission unit 302, if being also used to determine the solid state hard disk electricity shortage according to the detection information, to the master control core
Piece sends warning information.
Optionally, in some embodiments of the present application,
Acquiring unit 301 is also used to obtain clocked flip instruction；It is hard that solid-state is obtained according to the clocked flip instruction cycle property
The detection information of disk.
Optionally, in some embodiments of the present application, the detection information include in temperature, electric current and information of voltage extremely
Few one kind.
A kind of storage equipment is also provided in the embodiment of the present application, as shown in figure 5, Fig. 5 is single-chip microcontroller in the embodiment of the present application
Another embodiment schematic diagram, may include:
Processor 501, memory 502 and I/O unit 503；
I/O unit 503, for receiving or sending instruction；
Memory 502, for storing instruction；
Processor 501, for executing the instruction in the memory, so that the single-chip microcontroller executes following function:
Obtain the detection information of solid state hard disk；
The detection information is sent to the main control chip of the solid state hard disk；
The product information of main control chip transmission is received, the product information is raw according to the detection information by the main control chip
At；
When job failure occurs in the solid state hard disk, the product information is sent to server, which is used for the clothes
Device be engaged in solid state hard disk progress fault diagnosis.
Optionally, in some embodiments of the present application,
Processor 501 is also used to receive the system upgrade file of main control chip transmission；According to the system upgrade file liter
The current system of the grade single-chip microcontroller.
Optionally, in some embodiments of the present application,
Processor 501, if being also used to determine the solid state hard disk electricity shortage according to the detection information, to the main control chip
Send warning information.
Optionally, in some embodiments of the present application,
Processor 501 is also used to obtain clocked flip instruction；Solid state hard disk is obtained according to the clocked flip instruction cycle property
Detection information.
Optionally, in some embodiments of the present application,
The detection information includes at least one of temperature, electric current and information of voltage.
The embodiment of the present application provides a kind of computer program product, when run on a computer, so that computer is held
Row method as described in aforementioned embodiment illustrated in fig. 2 and any optional implementation.
The embodiment of the present application provides a kind of computer storage medium, including instruction, when run on a computer, so that
Computer executes the method as described in aforementioned embodiment illustrated in fig. 2 and any optional implementation.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the application
Portion or part steps.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (read-only memory,
ROM), random access memory (random access memory, RAM), magnetic or disk etc. are various can store program
The medium of code.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before
Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of data processing method characterized by comprising
The detection information of single-chip microcontroller acquisition solid state hard disk；
The single-chip microcontroller sends the detection information to the main control chip of the solid state hard disk；
The single-chip microcontroller receives the product information that the main control chip is sent, and the product information is by the main control chip according to institute
State detection information generation；
When job failure occurs in the solid state hard disk, the single-chip microcontroller sends the product information, the product to server
Information carries out fault diagnosis to the solid state hard disk for the server.
2. the method according to claim 1, wherein the method also includes:
The single-chip microcontroller receives the system upgrade file that the main control chip is sent；
The current system of single-chip microcontroller single-chip microcontroller according to the system upgrade document upgrading.
3. method according to claim 1 or 2, which is characterized in that the single-chip microcontroller obtains the detection information of solid state hard disk
Later, the method also includes:
If the single-chip microcontroller determines the solid state hard disk electricity shortage according to the detection information, the single-chip microcontroller is to the master
It controls chip and sends warning information.
4. method according to claim 1 or 2, which is characterized in that the method also includes:
The single-chip microcontroller obtains clocked flip instruction；
The detection information that the single-chip microcontroller obtains solid state hard disk includes:
The single-chip microcontroller obtains the detection information of solid state hard disk according to the clocked flip instruction cycle property.
5. method according to claim 1 or 2, which is characterized in that the detection information includes temperature, electric current and voltage letter
At least one of breath.
6. a kind of single-chip microcontroller characterized by comprising
Acquiring unit, for obtaining the detection information of solid state hard disk；
Transmission unit, for sending the detection information to the main control chip of the solid state hard disk；When the solid state hard disk occurs
When job failure, the product information is sent to server, the product information is for the server to the solid state hard disk
Carry out fault diagnosis；
Receiving unit, the product information sent for receiving the main control chip, the product information is by the main control chip root
It is generated according to the detection information.
7. single-chip microcontroller according to claim 6, which is characterized in that
The receiving unit is also used to receive the system upgrade file that the main control chip is sent；
The single-chip microcontroller further include:
Upgrade unit, the current system for the single-chip microcontroller according to the system upgrade document upgrading.
8. single-chip microcontroller according to claim 6 or 7, which is characterized in that
The transmission unit, if being also used to determine the solid state hard disk electricity shortage according to the detection information, to the master
It controls chip and sends warning information.
9. single-chip microcontroller according to claim 6 or 7, which is characterized in that
The acquiring unit is also used to obtain clocked flip instruction；It is hard that solid-state is obtained according to the clocked flip instruction cycle property
The detection information of disk.
10. single-chip microcontroller according to claim 6 or 7, which is characterized in that the detection information includes temperature, electric current and electricity
Press at least one of information.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741786A (en) * | 2019-01-09 | 2019-05-10 | 郑州云海信息技术有限公司 | A kind of solid state hard disk monitoring method, device and equipment |
| CN110047557A (en) * | 2019-04-18 | 2019-07-23 | 环旭电子股份有限公司 | A kind of enterprise-level solid state hard disk device for testing functions and method |
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| CN104951384A (en) * | 2015-06-16 | 2015-09-30 | 浪潮电子信息产业股份有限公司 | Monitoring system based on NVME SSD, substrate management controller and monitoring method |
| CN107423180A (en) * | 2017-07-28 | 2017-12-01 | 郑州云海信息技术有限公司 | A kind of solid state hard disc and its diagnostic method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109741786A (en) * | 2019-01-09 | 2019-05-10 | 郑州云海信息技术有限公司 | A kind of solid state hard disk monitoring method, device and equipment |
| CN110047557A (en) * | 2019-04-18 | 2019-07-23 | 环旭电子股份有限公司 | A kind of enterprise-level solid state hard disk device for testing functions and method |
| CN110047557B (en) * | 2019-04-18 | 2021-01-05 | 环旭电子股份有限公司 | Enterprise-level solid state disk function testing device and method |
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