CN109784102A - Data storage device, system, computer equipment and data guard method - Google Patents
Data storage device, system, computer equipment and data guard method Download PDFInfo
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- CN109784102A CN109784102A CN201811464295.2A CN201811464295A CN109784102A CN 109784102 A CN109784102 A CN 109784102A CN 201811464295 A CN201811464295 A CN 201811464295A CN 109784102 A CN109784102 A CN 109784102A
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- hard disk
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Abstract
This application involves a kind of data storage device, system, computer equipment and data guard methods.The data storage device includes mechanical hard disk and shaking device；Shaking device connects mechanical hard disk；Shaking device is used to apply the vibration within the scope of predeterminated frequency to mechanical hard disk, to, the application data storage device applies the vibration within the scope of predeterminated frequency using shaking device to mechanical hard disk, to increase the noise of the data stolen when " hard disc magnetic head attack software " or " hard disk microphone " attack mechanical hard disk, so that above-mentioned attack technology can not recognize the data in real mechanical hard disk, in turn, the security performance for improving mechanical hard disk is realized, guarantees the data safety of user.
Description
Technical field
This application involves technical field of memory, more particularly to a kind of data storage device, system, computer equipment and
Data guard method.
Background technique
Mechanical hard disk, i.e., traditional common hard disc, mainly by disc, magnetic head, disc shaft and control motor, magnetic head control
Several part compositions such as device, data converter, interface, caching.Magnetic head can be moved along the radial direction of disc, in addition every point of disc
The high speed rotation that thousands of turns of clock, magnetic head can be located in the read-write operation that data are carried out on the designated position of disc.
The device that mechanical hard disk is stored as data, its security performance directly affect the data safety of user.Currently,
Hacker's mechanical hard disk usually uses " hard disc magnetic head attack software " or " hard disk microphone " attack mechanical hard disk therein to steal
Therefore data are badly in need of guaranteeing the technology of the data safety in mechanical hard disk, still, during realization, inventor has found tradition
At least there are the following problems in technology: traditional technology can not protect mechanical hard disk well, and lead to not avoid mechanical hard disk
When attacking by " hard disc magnetic head attack software " or " hard disk microphone ", data are stolen.
Summary of the invention
Based on this, it is necessary to mechanical hard disk can not be protected well for traditional technology, and lead to not avoid mechanical hard
Disk the problem of data are stolen when attacking by " hard disc magnetic head attack software " or " hard disk microphone ", a kind of data are provided and are deposited
Store up equipment, system, computer equipment and data guard method.
To achieve the goals above, on the one hand, the embodiment of the present application provides a kind of data storage device, including mechanical hard
Disk and shaking device；Shaking device connects mechanical hard disk；
Shaking device is used to apply the vibration within the scope of predeterminated frequency to mechanical hard disk.
The control circuit board of shaking device electrical connection mechanical hard disk in one of the embodiments,；
Control circuit board transmits the instruction of the first shock-start when mechanical hard disk enters working condition, to shaking device；
Shaking device is instructed based on the first shock-start, applies the vibration within the scope of predeterminated frequency to mechanical hard disk.
It in one of the embodiments, further include the first shock sensor；First shock sensor is electrically connected connection control circuit
Plate；
Control circuit board is more than shake in the vibration frequency for detecting the head arm of mechanical hard disk by the first shock sensor
When dynamic threshold value, the instruction of the first shock-start is transmitted to shaking device.
Predeterminated frequency range is 50 hertz to 200 hertz in one of the embodiments,.
Shaking device is mechanically connected mechanical hard disk in one of the embodiments,.
Shaking device is piezoelectric ceramic piece, piezoelectric membrane, piezoelectric chip or miniature shock horse in one of the embodiments,
It reaches.
On the other hand, the embodiment of the present application also provides a kind of data-storage system, including mainboard and as described above
Data storage device；
Mechanical hard disk is electrically connected shaking device by mainboard；
Mainboard transmits the instruction of the second shock-start when mechanical hard disk enters working condition, to shaking device；
Shaking device is instructed based on the second shock-start, applies the vibration within the scope of predeterminated frequency to mechanical hard disk.
It in one of the embodiments, further include the second shock sensor；Second shock sensor is electrically connected mechanical hard disk
Control circuit board；
Mainboard is more than vibration threshold value in the vibration frequency for detecting the head arm of mechanical hard disk by the second shock sensor
When, the instruction of the second shock-start is transmitted to shaking device.
Another aspect, the embodiment of the present application also provides a kind of computer equipments, including data storage as described above to set
It is standby；The mainboard of the mechanical hard disk electrical connection computer equipment of data storage device.
In another aspect, the embodiment of the present application also provides a kind of data guard methods, comprising the following steps:
Apply the vibration within the scope of predeterminated frequency to mechanical hard disk.
It further comprises the steps of: in one of the embodiments,
Whether confirmation mechanical hard disk enters working condition；
When confirming that mechanical hard disk enters working condition, apply the vibration within the scope of predeterminated frequency to mechanical hard disk.
It further comprises the steps of: in one of the embodiments,
It receives shock sensor and detects the shake transmitted when the vibration frequency of the head arm of mechanical hard disk is more than vibration threshold value
Dynamic enabled instruction；
It is instructed based on shock-start, applies the vibration within the scope of predeterminated frequency to mechanical hard disk.
Predeterminated frequency range is obtained based on following steps in one of the embodiments:
The vibration for obtaining 3.5 cun of mechanical hard disks adapts to the overlay region for shaking adaptation section in section and 2.5 cun of mechanical hard disks
Between, and predeterminated frequency range is obtained according to overlapping interval.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
The application data storage device is constructed using mechanical hard disk and shaking device, specifically, shaking device connects machine
Tool hard disk, wherein shaking device is used to apply the vibration within the scope of predeterminated frequency to mechanical hard disk.To which the application data are deposited
Equipment utilization shaking device is stored up to the vibration within the scope of mechanical hard disk application predeterminated frequency, Lai Zengjia " hard disc magnetic head attack software "
Or the noise of the data stolen when " hard disk microphone " attack mechanical hard disk, so that above-mentioned attack technology can not recognize really
Mechanical hard disk in data, in turn, realize improve mechanical hard disk security performance, guarantee the data safety of user.
Detailed description of the invention
Fig. 1 is the location arrangements schematic diagram of data storage device in one embodiment；
Fig. 2 is the structural block diagram of the circuit connection of data storage device in one embodiment；
Fig. 3 is the structural block diagram of the first shock sensor of data storage device in one embodiment；
Fig. 4 is the structural block diagram of the circuit connection of data-storage system in one embodiment；
Fig. 5 is the structural block diagram of the second shock sensor of data-storage system in one embodiment；
Fig. 6 is the structural block diagram of computer equipment in one embodiment；
Fig. 7 is the first step flow diagram of data guard method in one embodiment；
Fig. 8 is the second step flow diagram of data guard method in one embodiment；
Fig. 9 is the third step flow diagram of data guard method in one embodiment.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the application.But the application can realize in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to disclosure of this application.
It should be noted that it can be directly to separately when an element is considered as " connection " another element
One element and it is in combination be integrated, or may be simultaneously present centering elements.Term as used herein " installation ", " one
End ", " other end " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Mechanical hard disk can not be protected well in order to solve traditional technology, and lead to not to avoid mechanical hard disk by
The problem of data are stolen when " hard disc magnetic head attack software " or " hard disk microphone " is attacked, in one embodiment, such as Fig. 1 institute
Show, provides a kind of data storage device, including mechanical hard disk 11 and shaking device 13；Shaking device 13 connects mechanical hard disk
11；
Shaking device 13 is used to apply the vibration within the scope of predeterminated frequency to mechanical hard disk 11.
It should be noted that first introducing one " hard disc magnetic head attack software " and " hard disk wheat to more fully understand the application
Gram wind ".Wherein, " hard disc magnetic head attack software " refers to installation attack software on a computing device, makes machinery using the software
The head arm of hard disk generates resonance in suitable frequency, to steal the position that magnetic head is transferred to magnetic head using the resonance of head arm
The signal of register realizes the data theft of mechanical hard disk." hard disk microphone ", which refers to, utilizes the sound built in computer equipment
The sound wave of player or external sound player plays specific frequency, so that the head arm of mechanical hard disk produces in suitable frequency
Raw resonance realizes mechanical hard disk to steal the signal that magnetic head is transferred to the location register of magnetic head using head arm resonance
Data theft.
Wherein, it is divided by interface, Integrated Drive Electronics, mechanical hard disk (can integrate for IDE
Driver electron) type mechanical hard disk, SATA (Serial Advanced Technology Attachment, serial advanced technology
Attachment) type mechanical hard disk or SCSI (Small Computer System Interface, small computer system interface) type machine
Tool hard disk.It is divided by hard-disk size, mechanical hard disk can be 2.5 cun of mechanical hard disks or 3.5 cun of mechanical hard disks.
Shaking device can produce the vibration within the scope of predeterminated frequency, and the vibration is conducted to mechanical hard disk.Specifically, shake
Dynamic device can directly contact mechanical hard disk, can also mediate contact mechanical hard disk, as long as vibration can be conducted to machine by shaking device
Tool hard disk, further, shaking device can connect the shell of mechanical hard disk, also the mountable control circuit in mechanical hard disk
On plate, as long as the place of shaking device can be installed on mechanical hard disk.In a specific embodiment, shaking device machine
Tool connects mechanical hard disk, and shaking device can be used bonding, the mode of welding and mechanical hard disk and be mechanically connected, to guarantee vibration dress
The vibration for setting generation can preferably be conducted to mechanical hard disk.Further, the shell of shaking device mechanical connection mechanical hard disk,
It can be mechanically connected to the outside of shell, the inside of shell can also be mechanically connected to.
In one example, shaking device can be to tap equipment, and tapping equipment can make mechanical hard disk generate predeterminated frequency model
Enclose interior vibration.It is determined it should be noted that the selection for tapping equipment needs to test by early period, that is, test taps equipment and strikes
The vibration frequency of generation is hit, only tapping percussion equipment of the vibration frequency of generation within the scope of predeterminated frequency just can be selected.
In yet another example, shaking device is piezoelectric ceramic piece, piezoelectric membrane, piezoelectric chip or micro-vibration-motor.
Wherein, the functional material that piezoelectric ceramic piece, piezoelectric membrane and piezoelectric chip are all that by mechanical energy and electric energy is converted mutually.
Piezoelectric ceramic piece, piezoelectric membrane and piezoelectric chip receive extraneous mechanical energy, itself can generate the vibration of certain frequency.Piezoelectricity
Potsherd, piezoelectric membrane and piezoelectric chip can directly be contacted with mechanical hard disk, receive the mechanical energy that mechanical hard disk is generated by operation,
Or the mechanical energy because being generated by " hard disc magnetic head attack software " or " hard disk microphone " attack, and generate the shake of certain frequency
It is dynamic, and vibration is conducted to mechanical hard disk.Ibid, piezoelectric ceramic piece, piezoelectric membrane and piezoelectric chip selection selection need through
It crosses test early period to determine, that is, test piezoelectric ceramic piece, piezoelectric membrane and piezoelectric chip receive extraneous mechanical energy and generate vibration
The percussion equipment of frequency, only frequency within the scope of predeterminated frequency just can be selected.Further, metatitanic acid can be used in piezoelectric ceramics
Barium system, lead titanates-lead zirconates binary system or lead titanates-lead zirconates-ABO3(A is bivalent metal ion, and B is that total electricity price is tetravalence
Several ions sum total) ternary system piezoelectric ceramics.Kynoar (Polyvinylidene can be used in piezoelectric membrane
Fluoride, PVDF) piezoelectric membrane.Lithium niobate system, lead zinc niobate-lead titanates system piezo-electric crystal can be used in piezo-electric crystal.
Micro-vibration-motor can directly be contacted with mechanical hard disk, can also be with mechanical hard disk mediate contact.Ibid, micro-vibration
The selection of motor, which needs to test by early period, to be determined, that is, test vibrating motor causes the frequency of vibration, and only frequency is pre-
If the percussion equipment within frequency range just can be selected.
In another example, shaking device can be the electronics member comprising piezoelectric ceramic piece, piezoelectric membrane or piezoelectric chip
Device.It can be by powering to such electronic component, so that such electronic component generates certain frequency after obtaining electric energy
Vibration.
Predeterminated frequency range is and to guarantee defence for ensureing mechanical hard disk normal use safety " hard disc magnetic head is attacked
Hit software " or " hard disk microphone " attack, avoid due to the frequency that shaking device is applied to the vibration on mechanical hard disk is excessive
Damage mechanical hard disk or attack that is too small and not defending " hard disc magnetic head attack software " or " hard disk microphone ".At one
In example, predeterminated frequency range is 50 hertz to 200 hertz.
In each embodiment of the application data storage device, the application data are constructed using mechanical hard disk and shaking device
Equipment is stored, specifically, shaking device connects mechanical hard disk, wherein shaking device is used to apply predeterminated frequency to mechanical hard disk
Vibration in range.To which the application data storage device is applied within the scope of predeterminated frequency using shaking device to mechanical hard disk
Vibration, the data that Lai Zengjia " hard disc magnetic head attack software " or when " hard disk microphone " attack mechanical hard disk steal make an uproar
Sound in turn, realizes so that above-mentioned attack technology can not recognize the data in real mechanical hard disk and improves mechanical hard disk
Security performance guarantees the data safety of user.
In one embodiment, as shown in Fig. 2, shaking device 13 is electrically connected the control circuit board 111 of mechanical hard disk 11；
Control circuit board 111 transmits the first shock-start when mechanical hard disk 11 enters working condition, to shaking device 13
Instruction；
Shaking device 13 is instructed based on the first shock-start, applies the vibration within the scope of predeterminated frequency to mechanical hard disk 11.
Wherein, control circuit board is control section in mechanical hard disk.When mechanical hard disk receives extraneous instruction and brings into operation,
The control circuit board of mechanical hard disk transmits the instruction of the first shock-start to shaking device, and instruction shaking device starting generates default
The vibration of frequency range.
The embodiment of the application data storage device controls opening for shaking device using the control circuit board of mechanical hard disk
It is dynamic, only make shaking device work in mechanical hard disk operation, thus, electric energy can be saved, and can avoid mechanical hard disk and be chronically at
It is damaged caused by under the vibration of shaking device.
In one embodiment, as shown in figure 3, further including the first shock sensor 113；First shock sensor, 113 electricity
Connect control circuit board 111；
Control circuit board 111 is in the vibration frequency for detecting the head arm of mechanical hard disk 11 by the first shock sensor 113
When rate is more than vibration threshold value, the instruction of the first shock-start is transmitted to shaking device 13.
Wherein, under the normal operation of mechanical hard disk, the first shock sensor can detect the shake of mechanical hard disk magnetic head
It is dynamic, according to the feedforward controller of the shock-start mechanical hard disk detected, so that the associated components of mechanical hard disk adjust magnetic head
Position.In attack of the mechanical hard disk by " hard disc magnetic head attack software " or " hard disk microphone ", head arm can generate resonance,
The vibration frequency of head arm increases.When the first shock sensor detects that the vibration frequency of head arm is more than to shake threshold value, control
Circuit board processed can confirm mechanical hard disk just by the attack of " hard disc magnetic head attack software " or " hard disk microphone ", at this point, control
Circuit board sends the instruction of the first shock-start, instruction shaking device starting to shaking device immediately.Vibration threshold value can controlled in advance
Be arranged in circuit board processed, vibration threshold value it is smaller, control circuit board judge whether by attack it is sensitiveer.
The embodiment of the application data storage device is only existed using the vibration of the first shock sensor detection head arm
When being more than vibration threshold value according to the vibration frequency of the head arm checked, control circuit board ability starting shock device, thus, into one
Step saves electric energy, and further avoids caused by mechanical hard disk is chronically under the vibration of shaking device and damage,
And make the defence of mechanical hard disk more targeted.
In one embodiment, as shown in figure 4, additionally providing a kind of data-storage system, including mainboard 41 and such as sheet
Request for data stores data storage device 10 described in apparatus embodiments；Data storage device 10 includes mechanical hard disk 11 and shake
Dynamic device 13；
Mechanical hard disk 11 is electrically connected shaking device 13 by mainboard 41；
Mainboard 41 transmits the instruction of the second shock-start when mechanical hard disk 11 enters working condition, to shaking device 13；
Shaking device 13 is instructed based on the second shock-start, applies the vibration within the scope of predeterminated frequency to mechanical hard disk 11.
Wherein, mainboard can be used for constructing computer equipment, and mainboard can use different according to the difference of computer equipment
Type.Computer equipment includes the device for needing to use mechanical hard disk and mainboard, for example, computer, server etc..Mainboard is opening
When dynamic mechanical hard disk, the instruction of the second shock-start is transmitted to shaking device, instruction shaking device starting generates predeterminated frequency range
Interior vibration.
The embodiment of the application data-storage system realizes being electrically connected for mechanical hard disk and shaking device using mainboard, can
Shaking device is saved directly to be electrically connected with mechanical hard disk, and to the cost that mechanical hard disk is restructured.
In one embodiment, as shown in figure 5, further including the second shock sensor 51；Second shock sensor 51 is electrically connected
Connect the control circuit board of mechanical hard disk 11；
Mainboard 41 is detecting that the vibration frequency of the head arm of mechanical hard disk 11 is more than shake by the second shock sensor 51
When dynamic threshold value, the instruction of the second shock-start is transmitted to shaking device 13.
Wherein, the second shock sensor is when the vibration frequency for detecting head arm is more than vibration threshold value, by mechanical hard
The control circuit board of disk is fed back to mainboard, and mainboard starting shock device generates the vibration within the scope of predeterminated frequency, with defence " hard disk
The attack of magnetic head attack software " or " hard disk microphone ".
The embodiment of the application data-storage system, using the second shock sensor, so that data-storage system defence is " hard
Disk magnetic head attack software " or the attack of " hard disk microphone " are more targeted.
In one embodiment, as shown in fig. 6, providing a kind of computer equipment, including the application data storage device
Data storage device 10 described in embodiment；The mechanical hard disk 13 of data storage device 10 is electrically connected the mainboard of computer equipment 61
611。
The embodiment of the application computer equipment, due to enabling computer equipment to defend using data storage setting
The attack of " hard disc magnetic head attack software " or " hard disk microphone " allows users to safely guarantee using computer equipment
The data safety of user.
In one embodiment, as shown in fig. 7, the embodiment of the present application also provides a kind of data guard methods, including with
Lower step:
Step S710 applies the vibration within the scope of predeterminated frequency to mechanical hard disk.
Further, predeterminated frequency range is obtained based on following steps:
The vibration for obtaining 3.5 cun of mechanical hard disks adapts to the overlay region for shaking adaptation section in section and 2.5 cun of mechanical hard disks
Between, and predeterminated frequency range is obtained according to overlapping interval.
It should be noted that shaking device applies the vibration within the scope of predeterminated frequency to mechanical hard disk.
It is the vibration frequency range that mechanical hard disk can work normally that vibration, which adapts to section, i.e. it is suitable to be in vibration for mechanical hard disk
It still is able to operate normally when answering the vibration in section without being destroyed.
According to " limitation of GBT 17618-2015 Information Technology Equipment immunity to interference and measurement method " and " GBT 12628-2008
Hard disk drive general specification " obtain 3.5 cun of mechanical hard disks and the vibration of 2.5 cun of mechanical hard disks adapts to section.
The embodiment of the application data guard method is applied by mechanical hard disk and is shaken, soft to resist hard disc magnetic head attack
The attack of part " or " hard disk microphone ".
In one embodiment, as shown in figure 8, a kind of data guard method comprising steps of
Whether step S810, confirmation mechanical hard disk enter working condition；
Step S820 applies within the scope of predeterminated frequency when confirming that mechanical hard disk enters working condition to mechanical hard disk
Vibration.
It should be noted that shaking device can be referred to by the shock-start that the control circuit board of mainboard or mechanical hard disk is transmitted
It enables, to confirm that mechanical hard disk enters working condition.
Mechanical hard disk is entered working condition, applied as to mechanical hard disk by the embodiment of the application data guard method
The condition of vibration within the scope of predeterminated frequency, enables data guard method reasonably to protect mechanical hard disk.
In one embodiment, as shown in figure 9, a kind of data guard method comprising steps of
Step S910, receiving shock sensor in the vibration frequency for the head arm for detecting mechanical hard disk is more than vibration threshold value
When transmit shock-start instruction；
Step S920 is instructed based on shock-start, applies the vibration within the scope of predeterminated frequency to mechanical hard disk.
The embodiment of the application data guard method detects the vibration of head arm using shock sensor, in vibration frequency
When rate is more than vibration threshold value, issues shock-start and instruct starting shock device, only just start when needed to realize
Shaking device enables data guard method more reasonably to protect mechanical hard disk.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (13)
1. a kind of data storage device, which is characterized in that including mechanical hard disk and shaking device；The shaking device connects institute
State mechanical hard disk；
The shaking device is used to apply the vibration within the scope of predeterminated frequency to the mechanical hard disk.
2. data storage device according to claim 1, which is characterized in that the shaking device electrical connection is described mechanical hard
The control circuit board of disk；
For the control circuit board when the mechanical hard disk enters working condition, Xiang Suoshu shaking device transmits the first shock-start
Instruction；
The shaking device is instructed based on first shock-start, and Xiang Suoshu mechanical hard disk applies within the scope of the predeterminated frequency
Vibration.
3. data storage device according to claim 2, which is characterized in that further include the first shock sensor；Described
One shock sensor is electrically connected the control circuit board；
The control circuit board is in the vibration frequency for detecting the head arm of the mechanical hard disk by first shock sensor
When rate is more than vibration threshold value, Xiang Suoshu shaking device transmits the first shock-start instruction.
4. according to claim 1 to data storage device described in 3 any one, which is characterized in that the predeterminated frequency range
It is 50 hertz to 200 hertz.
5. data storage device according to claim 4, which is characterized in that the shaking device is mechanically connected the machinery
Hard disk.
6. data storage device according to claim 1, which is characterized in that the shaking device is piezoelectric ceramic piece, pressure
Conductive film, piezoelectric chip or micro-vibration-motor.
7. a kind of data-storage system, which is characterized in that including mainboard and data storage device as described in claim 1；
The mechanical hard disk is electrically connected the shaking device by the mainboard；
For the mainboard when the mechanical hard disk enters working condition, Xiang Suoshu shaking device transmits the instruction of the second shock-start；
The shaking device is instructed based on second shock-start, and Xiang Suoshu mechanical hard disk applies within the scope of the predeterminated frequency
Vibration.
8. data-storage system according to claim 7, which is characterized in that further include the second shock sensor；Described
Two shock sensors are electrically connected the control circuit board of the mechanical hard disk；
The mainboard is detecting that the vibration frequency of the head arm of the mechanical hard disk is more than by second shock sensor
When shaking threshold value, Xiang Suoshu shaking device transmits the second shock-start instruction.
9. a kind of computer equipment, which is characterized in that including the data storage device as described in claim 1 to 6 any one；
The mechanical hard disk of the data storage device is electrically connected the mainboard of the computer equipment.
10. a kind of data guard method, which comprises the following steps:
Apply the vibration within the scope of predeterminated frequency to mechanical hard disk.
11. data guard method according to claim 10, which is characterized in that further comprise the steps of:
Confirm whether the mechanical hard disk enters working condition；
When confirming that the mechanical hard disk enters working condition, Xiang Suoshu mechanical hard disk applies the shake within the scope of the predeterminated frequency
It is dynamic.
12. data guard method according to claim 11, which is characterized in that further comprise the steps of:
Shock sensor is received to transmit when detecting that the vibration frequency of head arm of the mechanical hard disk is more than vibration threshold value
Shock-start instruction；
It is instructed based on the shock-start, Xiang Suoshu mechanical hard disk applies the vibration within the scope of the predeterminated frequency.
13. data guard method described in 0 to 12 any one according to claim 1, which is characterized in that obtained based on following steps
Take the predeterminated frequency range:
The vibration for obtaining 3.5 cun of mechanical hard disks adapts to the overlapping interval for shaking adaptation section in section and 2.5 cun of mechanical hard disks, and
The predeterminated frequency range is obtained according to the overlapping interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811464295.2A CN109784102A (en) | 2018-12-03 | 2018-12-03 | Data storage device, system, computer equipment and data guard method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811464295.2A CN109784102A (en) | 2018-12-03 | 2018-12-03 | Data storage device, system, computer equipment and data guard method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110210201A (en) * | 2019-05-31 | 2019-09-06 | 联想(北京)有限公司 | User identification method, customer identification device and electronic equipment |
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| CN107341088A (en) * | 2017-06-29 | 2017-11-10 | 联想(北京)有限公司 | Data identification method and its equipment |
| CN108520762A (en) * | 2018-03-21 | 2018-09-11 | 西安交通大学 | Batch hard disk accelerated degradation test method and device under a kind of vibration environment |
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| US20060109581A1 (en) * | 2004-11-19 | 2006-05-25 | Samsung Electronics Co., Ltd. | Device for operating a hard disk drive of a mobile communication terminal during impact and a method thereof |
| CN107341088A (en) * | 2017-06-29 | 2017-11-10 | 联想(北京)有限公司 | Data identification method and its equipment |
| CN108520762A (en) * | 2018-03-21 | 2018-09-11 | 西安交通大学 | Batch hard disk accelerated degradation test method and device under a kind of vibration environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110210201A (en) * | 2019-05-31 | 2019-09-06 | 联想(北京)有限公司 | User identification method, customer identification device and electronic equipment |
| CN110210201B (en) * | 2019-05-31 | 2021-05-18 | 联想(北京)有限公司 | User identification method, user identification device and electronic equipment |
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Address after: Room 1901, building 5, Shenzhen new generation industrial park, 136 Zhongkang Road, Meidu community, Meilin street, Futian District, Shenzhen, Guangdong 518000 Applicant after: Zhaoyin yunchuang Information Technology Co.,Ltd. Address before: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Applicant before: MBCLOUD (SHENZHEN) INFORMATION TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190521 |