CN108766487A - A kind of hard disk descends method for electrically, system, equipment and computer storage media extremely - Google Patents
A kind of hard disk descends method for electrically, system, equipment and computer storage media extremely Download PDFInfo
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- CN108766487A CN108766487A CN201810549630.2A CN201810549630A CN108766487A CN 108766487 A CN108766487 A CN 108766487A CN 201810549630 A CN201810549630 A CN 201810549630A CN 108766487 A CN108766487 A CN 108766487A
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/24—Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test cells
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0793—Remedial or corrective actions
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Abstract
The invention discloses a kind of hard disks to descend method for electrically, system, equipment and computer storage media extremely, includes when wherein this method is applied in the front end subsystem of the hard disk：When receiving abnormal lower electricity instruction, directly terminate the business itself being presently processing；The FTL of control hard disk stops the business that FTL is presently processing；Electricity instruction is to FTL under transmission abnormality, so that electricity instruction under FTL response abnormalities.Compared with prior art, a kind of hard disk disclosed by the invention is descended extremely in method for electrically, system, equipment and computer readable storage medium, hard disk is in the case where receiving exception after electricity instruction, no longer execute the business handled, in the case of saving powered-off fault, front end subsystem, FTL have executed the electricity expended required for the business handled, so that hard disk there are more electricity to complete the preservation to important information, namely make hard disk that can also complete the preservation to important information in the case where not increasing capacitance.
Description
Technical field
The present invention relates to electro-technical field under hard disk, more specifically to a kind of hard disk descend extremely method for electrically, system,
Equipment and computer storage media.
Background technology
In hard disk, as SSD (Solid State Drives, solid state disk) etc. use during, will produce many need
Data to be saved, such as L2P tables, trim tables and important log information, work of these important informations for understanding hard disk
Make state and power on next time most important, if cannot smoothly preserve, the use of hard disk can be influenced.In addition, in the case where hard disk is normal
In the case of electricity, power-on time is sufficient, and SSD can handle several business being currently executing, then removes response shutdown command simultaneously
Data are preserved, but in powered-off fault, SSD only leans on capacitances to supply power that can only increase to ensure that important information is not lost
Capacitance can increase the cost of hard disk in this way.
In conclusion how to complete to be current this field to the preservation of important information in the case where not increasing hard disk cost
Technical staff's urgent problem to be solved.
Invention content
The object of the present invention is to provide a kind of hard disks to descend method for electrically extremely, can solve how not increase to a certain extent
The technical issues of preservation to important information being completed in the case of adding hardware cost.The present invention also provides under a kind of hard disk exception
Electric system, equipment and computer readable storage medium.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of hard disk descends method for electrically extremely, is applied in the front end subsystem of the hard disk, including：
When receiving abnormal lower electricity instruction, directly terminate the business itself being presently processing；
The FTL for controlling the hard disk stops the business that the FTL is presently processing；
The lower electricity instruction of the exception is transmitted to the FTL, so that the FTL responds the lower electricity instruction of the exception.
Preferably, the FTL of the control hard disk stops the business that the FTL is presently processing, including：
Transmission business completes instruction to the FTL, and the FTL to control the hard disk stops the FTL and is presently processing
Business.
Preferably, before the business for directly terminating itself to be presently processing, further include：
Stop responding the instruction that the host belonging to the hard disk is sent immediately.
Preferably, before the business for directly terminating itself to be presently processing, further include：
Send the host belonging to the treatment progress to the hard disk for the business itself being presently processing.
Preferably, before the FTL of the control hard disk stops the business that the FTL is presently processing, further include：
The treatment progress of the business itself being presently processing is sent to the FTL.
A kind of hard disk descends electric system extremely, is applied in the front end subsystem of the hard disk, including：
Terminate module, for when receiving abnormal lower electricity instruction, directly terminating the front end subsystem and currently locating
The business of reason；
Control module, the FTL for controlling the hard disk stop the business that the FTL is presently processing；
Transmission module is used for transmission the lower electricity instruction of the exception to the FTL, so that the FTL is responded under the exception
Electricity instruction.
A kind of hard disk descends electric equipment extremely, including：
Memory, for storing computer program；
Processor realizes that any hard disk as above descends the step of method for electrically extremely when for executing the computer program
Suddenly.
A kind of computer readable storage medium is stored with computer program in the computer readable storage medium, described
The step of as above any hard disk descends method for electrically extremely is realized when computer program is executed by processor.
A kind of hard disk descends method for electrically extremely, is applied in the FTL of the hard disk, including：
Under the control of the front end subsystem of the hard disk, terminate the business itself being presently processing；
It receives and responds the lower electricity instruction of exception that the front end subsystem is sent.
It is preferably, described to terminate the business itself being presently processing under the control of the front end subsystem of the hard disk,
Including：
It receives the business that the front end subsystem is sent and completes instruction；
Directly terminate the business itself being presently processing.
A kind of hard disk provided by the invention descends method for electrically, front end subsystem electricity instruction in the case where receiving exception of hard disk extremely
When, the FTL for directly terminating the business itself handled, and controlling hard disk stops the business that FTL is being handled, and finally retransmits
Abnormal lower electricity is instructed to FTL so that FTL is instructed directly in response to abnormal lower electricity.Compared with prior art, one kind provided by the invention
Hard disk descends method for electrically in the case where receiving exception after electricity instruction extremely, will not execute the business being presently processing again, but directly
Terminate the business handled, in the case of saving powered-off fault, front end subsystem, FTL have executed the industry handled
The electricity expended required for business so that hard disk has more electricity to complete the preservation to important information, namely makes hard disk not
Also the preservation to important information can be completed in the case of increasing capacitance.A kind of hard disk provided by the invention descends electric system, sets extremely
Standby and computer readable storage medium also solves the problems, such as relevant art to a certain extent.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the flow chart that a kind of hard disk provided in an embodiment of the present invention descends method for electrically extremely；
Fig. 2 is the structural schematic diagram that a kind of hard disk provided in an embodiment of the present invention descends electric system extremely；
Fig. 3 is the structural schematic diagram that a kind of hard disk provided in an embodiment of the present invention descends electric equipment extremely；
Fig. 4 is the structural schematic diagram that another hard disk provided in an embodiment of the present invention descends electric equipment extremely.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of hard disk provided in an embodiment of the present invention descends the action executive agent of each step in method for electrically can be extremely
A kind of hard disk provided in an embodiment of the present invention descends electric system extremely, and the system can be built in computer, server, hard disk etc.
In, so a kind of hard disk provided in an embodiment of the present invention descends the action executive agent of each step in method for electrically can also to be extremely
The built-in computer of the system, server, hard disk etc..
In the prior art, after the host belonging to hard disk notes abnormalities lower electric situation, abnormal lower electricity instruction is sent to hard disk
Front end subsystem after front end subsystem completes the business itself being presently processing, sends abnormal lower electricity instruction to FTL, FTL is complete
After the business being presently processing at itself, corresponding abnormal lower electricity instruction completes the preservation to important information, finally completes lower electricity
Operation, in the process, in order to ensure that front end subsystem, FTL normally complete the business itself being presently processing, hard disk needs
Bulky capacitor comes for power itself, namely in the prior art, and in the case of abnormal lower electricity, hard disk is to the more demanding of capacitance.And this hair
In the case of a kind of hard disk of bright offer descends method for electrically then to make abnormal lower electricity extremely, requirement of the hard disk to capacitance reduces.
Referring to Fig. 1, Fig. 1 is the flow chart that a kind of hard disk provided in an embodiment of the present invention descends method for electrically extremely.
A kind of hard disk provided in an embodiment of the present invention descends method for electrically extremely, is applied in the front end subsystem of hard disk, including
Following steps：
Step S101：When receiving abnormal lower electricity instruction, directly terminate the business itself being presently processing.
The hard disk non-transformer electric power thus supplied caused by accident power-off etc. that the lower electricity of exception mentioned here refers to.It is abnormal
When lower electricity, the host (host) belonging to hard disk can preferentially detect the occurrence of abnormal lower electric, later the host belonging to hard disk
Abnormal lower electricity instruction is sent to modules, such as hard disk etc., it is however generally that, before abnormal lower electricity instruction first can be transferred to hard disk
Terminal system, front end subsystem mentioned here refers to receiving the I/O instruction etc. that host is sent, and I/O instruction etc. is distributed to
The system of the modules such as the rear end execution module of hard disk.Front end subsystem just directly terminates certainly in electricity instruction under receiving exception
The business that body is presently processing, to save the electricity spent by the business for itself having handled and being currently executing.Here institute
The business that the front end subsystem said is presently processing include the business that the host that is currently being received of front terminal system is sent and
The current business etc. for being just sent to respective rear ends execution module, the type of business includes I/O operation etc..
Step S102：The FTL (flash transform layer, flash memory conversion coating) for controlling hard disk is stopping FTL currently just
In the business of processing.
Electricity can be expended during executing the business being presently processing due to FTL, and the time for executing business is longer,
Spent electricity is more, and when the electricity spent by the FTL execution business is excessive, just sufficient electricity is not different to respond by FTL
Often lower electricity instruction, so front end subsystem after the business for directly terminating itself to be presently processing, can control the FTL of hard disk
Stop the business that FTL is presently processing, such FTL can save the electricity spent by the lower business for executing and being presently processing
Amount, so that FTL has more times to carry out electricity instruction under response abnormality.In concrete application scene, front end subsystem can be with
First judge whether there is the business handled in FTL, is presently processing if so, the FTL for executing control hard disk again stops FTL
Business the step of, if it is not, then directly execute transmission abnormality under electricity instruction to FTL the step of.
Step S103：Electricity instruction is to FTL under transmission abnormality, so that electricity instruction under FTL response abnormalities.
Front end subsystem can transmit itself and receive after the FTL of control hard disk stops the business that FTL is presently processing
The lower electricity instruction of exception to FTL, after FTL receives abnormal lower electricity instruction, since FTL has stopped the industry itself being presently processing
Business directly carries out the operations such as the preservation to important information so FTL can be instructed directly in response to abnormal lower electricity.
A kind of hard disk provided by the invention descends method for electrically, front end subsystem electricity instruction in the case where receiving exception of hard disk extremely
When, the FTL for directly terminating the business itself handled, and controlling hard disk stops the business that FTL is being handled, and finally retransmits
Abnormal lower electricity is instructed to FTL so that FTL is instructed directly in response to abnormal lower electricity.Compared with prior art, one kind provided by the invention
Hard disk descends method for electrically in the case where receiving exception after electricity instruction extremely, will not execute the business being presently processing again, but directly
Terminate the business being presently processing, in the case of saving powered-off fault, front end subsystem, FTL have been executed currently
The electricity expended required for the business of processing so that hard disk has more electricity to complete the preservation to important information, namely makes
Hard disk can also complete the preservation to important information in the case where not increasing capacitance.
A kind of hard disk provided in an embodiment of the present invention is descended extremely in method for electrically, and the FTL for controlling hard disk is stopping FTL currently
The business of processing can be specially：
Transmission business completes instruction to FTL, and the FTL to control hard disk stops the business that FTL is presently processing.
In practical application, front end subsystem can directly transmit business and complete instruction to FTL, so that FTL is receiving industry
After instruction is completed in business, directly terminate the business itself being presently processing.In the case of abnormal lower electricity, FTL is not really complete
The processing procedure of pairs of business, so in concrete application, front end subsystem, which is sent in the complete rear instruction of business of FTL, to include
Error flag position is not the real instruction for indicating business and completing to show that the business completes instruction, only abnormal lower electric situation
Under, for controlling the instruction that FTL stops the business itself being presently processing.
It is provided in an embodiment of the present invention a kind of hard in order to further save the power consumption of front end subsystem in practical application
Disk is descended extremely in method for electrically, before directly terminating the business itself being presently processing, can also include：
Stop the instruction that the host belonging to response hard disk is sent immediately.
A kind of hard disk provided in an embodiment of the present invention is descended extremely in method for electrically, directly terminates the industry itself being presently processing
Before business, can also include：
Send the host belonging to the treatment progress to hard disk for the business itself being presently processing.
In practical application, for abnormal lower electric situation after, host can learn that last time descends electricity extremely after re-powering
In the case of business treatment progress, front end subsystem can also send out before the business for directly terminating itself to be presently processing
Give the host belonging to the treatment progress to hard disk of the business itself handled.For example host is sent to one of front end subsystem
Include the I/O traffic of 10 steps, front end subsystem is carrying out the 5th step of I/O traffic in electricity instruction under receiving exception
Suddenly, then front end subsystem can first send the information of the 5th step for itself being carrying out I/O traffic to host, later again directly
Terminate the business itself being presently processing.Correspondingly, follow-up host is normally after the power is turned on, host can be sent out according to front end subsystem
The treatment progress of the business that the front end subsystem sent is presently processing continue in the case of last time extremely lower electricity front end subsystem into
Capable business.
A kind of hard disk provided in an embodiment of the present invention is descended extremely in method for electrically, and the FTL for controlling hard disk is stopping FTL currently
Before the business of processing, can also include：
The treatment progress of the business itself being presently processing is sent to FTL.
In practical application, after abnormal lower electric situation, FTL can learn last time extremely lower electric feelings after re-powering
The treatment progress of business under condition, front end subsystem is before the FTL of control hard disk stops the business that FTL is presently processing, also
The treatment progress of the business itself handled can be sent to the FTL of hard disk.For example front end subsystem will be sent to the one of FTL
A includes the I/O traffic of 5 steps, and front end subsystem sends the 3rd I/O traffic in electricity instruction under receiving exception
To FTL, then the information that front end subsystem can first send the 3rd step for itself sending I/O traffic is controlled again later to FTL
The FTL of hard disk processed stops the business that FTL is presently processing.Correspondingly, follow-up hard disk is normally after the power is turned on, FTL can be before
The treatment progress of business that the front end subsystem that terminal system is sent is presently processing continue in the case of last time extremely lower electricity into
Capable business.
A kind of hard disk provided in an embodiment of the present invention descends method for electrically may include steps of extremely in practical application：
Front end subsystem receives powered-off fault signal, stops the business being currently executing；
Front end subsystem stops the instruction that response host is sent；
Front end subsystem judges whether there is IO to be done, if so, the IO for sending tape error mark completes instruction extremely
FTL executes next step, if it is not, directly executing next step；
Front end subsystem transmission abnormality power-off signal is to FTL；
Electric signal under FTL response abnormalities completes the preservation to hard disk important information and lower electricity.
The present invention also provides a kind of hard disks to descend electric system extremely, different with a kind of hard disk provided in an embodiment of the present invention
The correspondence effect that often lower method for electrically has.Referring to Fig. 2, Fig. 2 is a kind of extremely lower electricity system of hard disk provided in an embodiment of the present invention
The structural schematic diagram of system.
A kind of hard disk provided in an embodiment of the present invention descends electric system extremely, is applied in the front end subsystem of hard disk, can be with
Including：
Terminate module 101, for when receiving abnormal lower electricity instruction, directly terminating front end subsystem and being presently processing
Business；
Control module 102, the FTL for controlling hard disk stop the business that FTL is presently processing；
Transmission module 103 is used for transmission abnormal lower electricity instruction to FTL, so that electricity instruction under FTL response abnormalities.
A kind of hard disk provided in an embodiment of the present invention is descended extremely in electric system, and control module may include：
Control unit completes instruction to FTL for sending business, and the FTL to control hard disk stops FTL and is presently processing
Business.
A kind of hard disk provided in an embodiment of the present invention is descended extremely in electric system, can also include：
Stopping modular, for before the business that terminate module directly terminates that front end subsystem is presently processing, immediately
Stop the instruction that the host belonging to response hard disk is sent.
A kind of hard disk provided in an embodiment of the present invention is descended extremely in electric system, can also include：
First sending module, for before the business that terminate module directly terminates that front end subsystem is presently processing,
Send the host belonging to the treatment progress to hard disk for the business itself being presently processing.
A kind of hard disk provided in an embodiment of the present invention is descended extremely in electric system, can also include：
Second sending module, the FTL for controlling hard disk in control module stop the business that is presently processing of FTL it
Before, the treatment progress of the business itself being presently processing is sent to FTL.
The present invention also provides a kind of hard disks to descend electric equipment and computer readable storage medium extremely, all has the present invention
A kind of hard disk that embodiment provides descends the correspondence effect that method for electrically has extremely.Referring to Fig. 3, Fig. 3 carries for the embodiment of the present invention
A kind of structural schematic diagram of the lower electric equipment of exception supplied.
A kind of hard disk provided in an embodiment of the present invention descends electric equipment extremely, may include memory 201, processor 202；Place
Reason device 202 realizes following steps when executing the computer program in memory 201：
When receiving abnormal lower electricity instruction, directly terminate the business that front end subsystem is presently processing；
The FTL of control hard disk stops the business that FTL is presently processing；
Electricity instruction is to FTL under transmission abnormality, so that electricity instruction under FTL response abnormalities.
A kind of hard disk provided by the embodiments of the present application is descended extremely in electric equipment, and processor 202 executes to be stored in memory 201
Computer subprogram when, also particularly useful for realize following steps：Transmission business completes instruction to FTL, to control the FTL of hard disk
Stop the business that FTL is presently processing.
A kind of hard disk provided by the embodiments of the present application is descended extremely in electric equipment, and processor 202 executes to be stored in memory 201
Computer subprogram when, also particularly useful for realize following steps：Before directly terminating the business itself being presently processing, stand
Stop the instruction that the host belonging to response hard disk is sent.
A kind of hard disk provided by the embodiments of the present application is descended extremely in electric equipment, and processor 202 executes to be stored in memory 201
Computer subprogram when, also particularly useful for realize following steps：Before directly terminating the business itself being presently processing, hair
Give the host belonging to the treatment progress to hard disk for the business itself being presently processing.
A kind of hard disk provided by the embodiments of the present application is descended extremely in electric equipment, and processor 202 executes to be stored in memory 201
Computer subprogram when, also particularly useful for realize following steps：The FTL of control hard disk stops the industry that FTL is presently processing
Before business, the treatment progress of the business itself being presently processing is sent to FTL.
Referring to Fig. 4, another kind hard disk provided by the embodiments of the present application descends in electric equipment and can also include extremely：With processing
The input port 203 that device 202 connects is used for transmission the extraneous order inputted to processor 202；What is connect with processor 202 is aobvious
Show unit 204, the handling result for video-stream processor 202 is to the external world；The communication module 205 being connect with processor 202, is used for
Realize that hard disk descends electric equipment and extraneous communication extremely.Display unit 202 can make display for display panel, laser scanning
Deng；Communication mode used by communication module 205 includes but is not limited to that mobile high definition chained technology (HML), general serial are total
Line (USB), is wirelessly connected high-definition media interface (HDMI)：Adopting wireless fidelity technology (WiFi), Bluetooth Communication Technology, low-power consumption
Bluetooth Communication Technology, the communication technology based on IEEE802.11s.
A kind of computer readable storage medium provided in an embodiment of the present invention is stored with meter in computer readable storage medium
Calculation machine program realizes that hard disk described in any embodiment as above descends method for electrically extremely when computer program is executed by processor
Step.Computer readable storage medium mentioned here includes random access memory (RAM), memory, read-only memory (ROM), electricity
Well known in programming ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
Any other form of storage medium.
A kind of hard disk provided in an embodiment of the present invention descends method for electrically extremely, is applied in the FTL of hard disk, may include following
Step：
Under the control of the front end subsystem of hard disk, terminate the business itself being presently processing；
It receives and responds the lower electricity instruction of exception that front end subsystem is sent.
A kind of hard disk provided in an embodiment of the present invention is descended extremely in method for electrically, under the control of the front end subsystem of hard disk,
Terminate the business itself being presently processing, can be specially：
The business that receiving front-end subsystem is sent completes instruction；
Directly terminate the business itself being presently processing.
A kind of hard disk provided in an embodiment of the present invention is descended extremely in method for electrically, under the control of the front end subsystem of hard disk,
After terminating the business itself being presently processing, before receiving and responding the lower electricity instruction of exception that front end subsystem is sent, also
May include：
Preserve the treatment progress for the business itself being presently processing.
A kind of hard disk provided in an embodiment of the present invention descends related in electric system, equipment and computer readable storage medium extremely
Partial explanation refers to the detailed description that a kind of hard disk provided in an embodiment of the present invention descends corresponding part in method for electrically extremely,
This is repeated no more.In addition, in above-mentioned technical proposal provided in an embodiment of the present invention with correspond in the prior art technical solution realize
The consistent part of principle is simultaneously unspecified, in order to avoid excessively repeat.
The foregoing description of the disclosed embodiments enables those skilled in the art to realize or use the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and the general principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with the principles and novel features disclosed in this article widest
Range.
Claims (10)
1. a kind of hard disk descends method for electrically extremely, which is characterized in that it is applied in the front end subsystem of the hard disk, including：
When receiving abnormal lower electricity instruction, directly terminate the business itself being presently processing；
The FTL for controlling the hard disk stops the business that the FTL is presently processing；
The lower electricity instruction of the exception is transmitted to the FTL, so that the FTL responds the lower electricity instruction of the exception.
2. according to the method described in claim 1, it is characterized in that, the FTL stoppings FTL of the control hard disk is current
The business handled, including：
Transmission business completes instruction to the FTL, and the FTL to control the hard disk stops the industry that the FTL is presently processing
Business.
3. according to the method described in claim 1, it is characterized in that, the business for directly terminating itself to be presently processing it
Before, further include：
Stop responding the instruction that the host belonging to the hard disk is sent immediately.
4. method according to any one of claims 1 to 3, which is characterized in that described directly to terminate itself currently locating
Before the business of reason, further include：
Send the host belonging to the treatment progress to the hard disk for the business itself being presently processing.
5. according to the method described in claim 4, it is characterized in that, the FTL stoppings FTL of the control hard disk is current
Before the business handled, further include：
The treatment progress of the business itself being presently processing is sent to the FTL.
6. a kind of hard disk descends electric system extremely, which is characterized in that it is applied in the front end subsystem of the hard disk, including：
Terminate module, for when receiving abnormal lower electricity instruction, directly terminating what the front end subsystem was presently processing
Business；
Control module, the FTL for controlling the hard disk stop the business that the FTL is presently processing；
Transmission module is used for transmission the lower electricity instruction of the exception to the FTL, so that the FTL responds the lower electricity of exception and refers to
It enables.
7. a kind of hard disk descends electric equipment extremely, which is characterized in that including：
Memory, for storing computer program；
Processor is realized when for executing the computer program as hard disk described in any one of claim 1 to 5 descends electricity extremely
The step of method.
8. a kind of computer readable storage medium, which is characterized in that be stored with computer in the computer readable storage medium
Program realizes such as hard disk described in any one of claim 1 to 5 extremely lower electricity side when the computer program is executed by processor
The step of method.
9. a kind of hard disk descends method for electrically extremely, which is characterized in that it is applied in the FTL of the hard disk, including：
Under the control of the front end subsystem of the hard disk, terminate the business itself being presently processing；
It receives and responds the lower electricity instruction of exception that the front end subsystem is sent.
10. according to the method described in claim 9, it is characterized in that, described under the control of the front end subsystem of the hard disk,
Terminate the business itself being presently processing, including：
It receives the business that the front end subsystem is sent and completes instruction；
Directly terminate the business itself being presently processing.
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| CN201810549630.2A CN108766487A (en) | 2018-05-31 | 2018-05-31 | A kind of hard disk descends method for electrically, system, equipment and computer storage media extremely |
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| CN111105840A (en) * | 2019-12-27 | 2020-05-05 | 合肥大唐存储科技有限公司 | Method, device and system for testing abnormal power failure of solid state disk |
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Application publication date: 20181106 |