CN106502929A - A kind of target device, a kind of processing method and processing device of internal storage data - Google Patents
A kind of target device, a kind of processing method and processing device of internal storage data Download PDFInfo
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- CN106502929A CN106502929A CN201610915287.XA CN201610915287A CN106502929A CN 106502929 A CN106502929 A CN 106502929A CN 201610915287 A CN201610915287 A CN 201610915287A CN 106502929 A CN106502929 A CN 106502929A
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- target device
- internal storage
- storage data
- electric signal
- nonvolatile memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/16—Protection against loss of memory contents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/10—Providing a specific technical effect
- G06F2212/1032—Reliability improvement, data loss prevention, degraded operation etc
Abstract
The invention provides a kind of target device, a kind of processing method and processing device of internal storage data, the target device, including：Power supply chip, internal storage data processing module and Nonvolatile memory chip；The power supply chip is connected with the internal storage data processing module；The internal storage data processing module is connected with the Nonvolatile memory chip；The internal storage data processing module, for the electric signal of power supply chip output described in real-time detection, according to the electric signal, judge whether the target device will enter power-down state, if, buffered signal is then exported, so that the Nonvolatile memory chip preserves the internal storage data in the Nonvolatile memory chip；The Nonvolatile memory chip, for the buffered signal exported according to the internal storage data processing module, preserves the internal storage data in the Nonvolatile memory chip.The invention provides a kind of target device, a kind of processing method and processing device of internal storage data, it is possible to increase the security of internal storage data.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of target device, a kind of processing method of internal storage data
And device.
Background technology
As the range of application of cloud computing constantly expands, the development such as virtualization service is more and more.Cloud computing technology etc.
Development is maked rapid progress, and the server for carrying this kind of business plays vital effect.Carrier of the server as cloud service,
Data safety is current urgent problem.
In prior art, the internal storage data in internal memory after a power failure, will lose by internal storage data.Internal memory goes up electricity again
Afterwards, the internal storage data of loss cannot also recover.
Visible by foregoing description, in prior art, internal storage data can be lost with power down, the security of internal storage data
Relatively low.
Content of the invention
Embodiments provide a kind of target device, a kind of processing method and processing device of internal storage data, it is possible to increase
The security of internal storage data.
In a first aspect, a kind of target device is embodiments provided, including：
Power supply chip, internal storage data processing module and Nonvolatile memory chip；
The power supply chip is connected with the internal storage data processing module；
The internal storage data processing module is connected with the Nonvolatile memory chip；
The internal storage data processing module, for the electric signal of power supply chip output described in real-time detection, according to the electricity
Signal, judges whether the target device will enter power-down state, if it is, output buffered signal, so that described non-easy
The property lost memory chip preserves the internal storage data in the Nonvolatile memory chip；
The Nonvolatile memory chip, for the buffered signal exported according to the internal storage data processing module, preserves
Internal storage data in the Nonvolatile memory chip.
Further, the internal storage data processing module, described according to the electric signal executing, judge that the target sets
Standby when whether will enter power-down state, for determining mean value of the magnitude of voltage of the electric signal in predetermined time period,
Whether the mean value is judged less than or equal to the first preset value, if it is, determining that the target device will enter power down shape
State.
Further, the internal storage data processing module, described according to the electric signal executing, judge that the target sets
Standby when whether will enter power-down state, for judging the magnitude of voltage of the electric signal whether less than or equal to the second preset value, such as
It is really, it is determined that the target device will enter power-down state.
Further, the target device is further included：South Bridge chip；
The South Bridge chip is arranged between the internal storage data processing module and the Nonvolatile memory chip, respectively
It is connected with the internal storage data processing module and the Nonvolatile memory chip；
The South Bridge chip, for receiving the buffered signal of the internal storage data processing module output, according to described
Buffered signal generates trigger, and the trigger is sent to the Nonvolatile memory chip；
The Nonvolatile memory chip, for when the trigger that the South Bridge chip is sent is received, protecting
Deposit the internal storage data in the Nonvolatile memory chip.
Further, the span of the predetermined time period is [1 millisecond, 3 milliseconds].
Further, the span of first preset value is [11.5v, 12v].
Second aspect, embodiments provides a kind of processing method of internal storage data, including：
The electric signal of the power supply chip output of real-time detection target device；
According to the electric signal, judge whether the target device will enter power-down state, if it is, output caching
Signal, so that the Nonvolatile memory chip of the target device preserves the internal storage data in the Nonvolatile memory chip.
Further, described according to the electric signal, judge whether the target device will enter power-down state, wrap
Include：
Determine mean value of the magnitude of voltage of the electric signal in predetermined time period；
Whether the mean value is judged less than or equal to the first preset value, if it is, determining that the target device will enter
Enter power-down state.
Further, described according to the electric signal, judge whether the target device will enter power-down state, wrap
Include：
Whether the magnitude of voltage of the electric signal is judged less than or equal to the second preset value, if it is, determining that the target sets
Standby will enter power-down state.
The third aspect, embodiments provides a kind of processing meanss of internal storage data, including：
Detector unit, for the electric signal of the power supply chip output of real-time detection target device；
Judging unit, for according to the electric signal, judging whether the target device will enter power-down state, if
It is then to export buffered signal, so that the Nonvolatile memory chip of the target device preserves the Nonvolatile memory chip
In internal storage data.
Further, the judging unit, described according to the electric signal executing, judge the target device whether i.e.
When will enter power-down state, for determining mean value of the magnitude of voltage of the electric signal in predetermined time period, judge described
Whether mean value is less than or equal to the first preset value, if it is, determining that the target device will enter power-down state.
Further, the judging unit, described according to the electric signal executing, judge the target device whether i.e.
When will enter power-down state, for whether judging the magnitude of voltage of the electric signal less than or equal to the second preset value, if it is, really
The fixed target device will enter power-down state.
In embodiments of the present invention, internal storage data processing module and Nonvolatile memory chip are set in target device,
The electric signal of the power supply chip output of target device is detected by internal storage data processing module, and then whether determines target device
Will power down, judge target device will power down when, export buffered signal so that Nonvolatile memory chip preserve internal memory
Data, it is to avoid internal storage data is lost because of power down, improve the security of internal storage data.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of schematic diagram of target device that one embodiment of the invention is provided；
Fig. 2 is the schematic diagram of another kind of target device that one embodiment of the invention is provided；
Fig. 3 is a kind of flow chart of the processing method of internal storage data that one embodiment of the invention is provided；
Fig. 4 is the flow chart of the processing method of another kind of internal storage data that one embodiment of the invention is provided；
Fig. 5 is a kind of schematic diagram of the processing meanss of internal storage data that one embodiment of the invention is provided.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention is clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, to the embodiment of the present invention in technical scheme be clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments, based on the present invention in embodiment, those of ordinary skill in the art
The every other embodiment obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of target device is embodiments provided, including：
Power supply chip 101, internal storage data processing module 102 and Nonvolatile memory chip 103；
The power supply chip 101 is connected with the internal storage data processing module 102；
The internal storage data processing module 102 is connected with the Nonvolatile memory chip 103；
The internal storage data processing module 102, for power supply chip described in real-time detection 101 output electric signal, according to
The electric signal, judges whether the target device will enter power-down state, if it is, output buffered signal, so that institute
State Nonvolatile memory chip 103 and preserve the internal storage data in the Nonvolatile memory chip；
The Nonvolatile memory chip 103, for the caching letter exported according to the internal storage data processing module 102
Number, preserve the internal storage data in the Nonvolatile memory chip 103.
In embodiments of the present invention, internal storage data processing module and Nonvolatile memory chip are set in target device,
The electric signal of the power supply chip output of target device is detected by internal storage data processing module, and then whether determines target device
Will power down, judge target device will power down when, export buffered signal so that Nonvolatile memory chip preserve internal memory
Data, it is to avoid internal storage data is lost because of power down, improve the security of internal storage data.
In order to determine whether target device will enter power-down state, in an embodiment of the present invention, the internal storage data
Processing module, described according to the electric signal executing, when judging whether the target device will enter power-down state, it is used for
Whether the magnitude of voltage of the electric signal is judged less than or equal to the second preset value, if it is, determining that the target device will enter
Enter power-down state.
When will enter power-down state due to target device, the magnitude of voltage of the electric signal of power supply chip output can have one
Trailing edge, if the magnitude of voltage is less than or equal to the second preset value, can determine that target device will enter power-down state.?
In the embodiment of the present invention, the span of the second preset value can be [11.5v, 12v], for example：Second preset value can be
11.98v, 11.8v etc.；Or, the span of the second preset value is [A (1-5%), A (1-1%)], and wherein, A is power supply core
The load voltage value of the electric signal of piece output, for example：Second preset value can be A (1-5%), A (1-1%), A (1-3%), A
(1-2%), A (1-4%).
In order to be determined more accurately whether target device will enter power-down state, in an embodiment of the present invention, institute
Internal storage data processing module is stated, described according to the electric signal executing, judge whether the target device will enter power down
During state, for determining mean value of the magnitude of voltage of the electric signal in predetermined time period, whether the mean value is judged
The first preset value is less than or equal to, if it is, determining that the target device will enter power-down state.
Due to power supply chip output electric signal normal work in the case of fluctuation also occurs, if certain secondary undulation compared with
Greatly, less than or equal to the second preset value, then erroneous judgement occurs, normal for target device power-up state is mistaken for entering power down shape
State.In embodiments of the present invention, mean value of the magnitude of voltage of the electric signal for being exported according to power supply chip in predetermined time period
To judge whether target device will enter power-down state, this way it is possible to avoid the erroneous judgement that certain larger fluctuation is caused so that
Judged result is more accurate.
Wherein, the span of predetermined time period is [1 millisecond, 3 milliseconds], for example：Predetermined time period be 1 millisecond, 2
Millisecond, 3 milliseconds etc..
The span of the first preset value can be [11.5v, 12v], for example：First preset value can be 11.5v,
11.9v, 12v etc.；Or, the span of the first preset value is [A (1-5%), A (1-1%)], and wherein, A is that power supply chip is defeated
The load voltage value of the electric signal for going out, for example：First preset value can be A (1-5%), A (1-1%), A (1-3%), A (1-
2%), A (1-4%).
Nonvolatile memory chip is controlled in order to convenient, in an embodiment of the present invention, the target device
Further include：South Bridge chip；
The South Bridge chip is arranged between the internal storage data processing module and the Nonvolatile memory chip, respectively
It is connected with the internal storage data processing module and the Nonvolatile memory chip；
The South Bridge chip, for receiving the buffered signal of the internal storage data processing module output, according to described
Buffered signal generates trigger, and the trigger is sent to the Nonvolatile memory chip；
The Nonvolatile memory chip, for when the trigger that the South Bridge chip is sent is received, preserving institute
State the internal storage data in Nonvolatile memory chip.
In embodiments of the present invention, South Bridge chip can be the South Bridge chip on the mainboard of target device, and South Bridge chip can
Directly to send trigger to Nonvolatile memory chip.
As shown in Fig. 2 a kind of target device is embodiments provided, including：
Power supply chip 201, internal storage data processing module 202, South Bridge chip 203 and Nonvolatile memory chip 204；
Power supply chip 201 is connected with internal storage data processing module 202；
Internal storage data processing module 202 is connected with South Bridge chip 203；
South Bridge chip 203 is connected with Nonvolatile memory chip 204；
Internal storage data processing module 202, for the electric signal of the output of real-time detection power supply chip 201, according to electric signal, sentences
Whether disconnected target device will enter power-down state, if it is, the output of bridge chip 203 buffered signal to the south；
South Bridge chip 203, for receiving the buffered signal of the output of internal storage data processing module 202, gives birth to according to buffered signal
Into trigger, trigger is sent to Nonvolatile memory chip 204；
Nonvolatile memory chip 204, non-easy for when the trigger that South Bridge chip 203 is sent is received, preserving
Internal storage data in the property lost memory chip.
In embodiments of the present invention, internal storage data processing module here can process mould by any of the above-described internal storage data
Block is realizing.Target device can be computer, server, node of RACK (frame) server etc..Power supply chip can be with
The power supply bronze medal of target device is connected, and the electric signal of power supply chip may come from the power supply bronze medal of target device.Electric signal
Load voltage value can be 12v.Power supply chip can be hot plug VR (Voltage Regulator, voltage regulator) chip.
Internal storage data processing module can be realized by HW monitor.Buffered signal can be a kind of GPIO (General
Purpose Input Output, universal input/output) signal can be low useful signal.South Bridge chip is receiving caching
After signal, can further judge that target device will enter power-down state, triggering internal logic output trigger, the trigger
Can be a kind of GPIO signals, can be low useful signal.Nonvolatile memory chip can be triggered by the trigger, made
Obtain Nonvolatile memory chip and preserve the internal storage data in Nonvolatile memory chip.Nonvolatile memory chip, non-preserving
During internal storage data in volatile ram chip, specifically for retaining all processes and operation, the current work of target device
State etc..Nonvolatile memory chip can be the memory chip of NVDIMM.
The electric signal of power supply chip output is the source of other electric signals of target device, is to enter target earliest from outside
According to the electric signal of power supply chip output, the electric signal of equipment, therefore, judges whether target device will enter power-down state
More accurately, before power down, more process times are obtained in that so that Nonvolatile memory chip has time enough to protect
Deposit the internal storage data in Nonvolatile memory chip.
As shown in figure 3, a kind of processing method of internal storage data is embodiments provided, including：
Step 301：The electric signal of the power supply chip output of real-time detection target device；
Step 302：According to the electric signal, judge whether the target device will enter power-down state, if it is,
Execution step 303；
Step 303：Output buffered signal, so that the Nonvolatile memory chip preservation of the target device is described non-volatile
Internal storage data in property memory chip.
In order to determine whether target device will enter power-down state, in an embodiment of the present invention, described in the basis
Electric signal, judges whether the target device will enter power-down state, including：
Determine mean value of the magnitude of voltage of the electric signal in predetermined time period；
Whether the mean value is judged less than or equal to the first preset value, if it is, determining that the target device will enter
Enter power-down state.
As shown in figure 4, a kind of processing method of internal storage data is embodiments provided, including：
Step 401：The magnitude of voltage of the electric signal of the power supply chip output of real-time detection target device；
Step 402：Determine mean value of the magnitude of voltage of electric signal in predetermined time period；
Step 403：Whether mean value is judged less than or equal to the first preset value, if it is, execution step 404；
Step 404：Output buffered signal, so that the Nonvolatile memory chip of target device preserves Nonvolatile memory core
Internal storage data in piece.
In order to determine whether target device will enter power-down state, in an embodiment of the present invention, described in the basis
Electric signal, judges whether the target device will enter power-down state, including：
Whether the magnitude of voltage of the electric signal is judged less than or equal to the second preset value, if it is, determining that the target sets
Standby will enter power-down state.
As shown in figure 5, a kind of processing meanss of internal storage data are embodiments provided, including：
Detector unit 501, for the electric signal of the power supply chip output of real-time detection target device；
Judging unit 502, for according to the electric signal, judging whether the target device will enter power-down state,
If it is, output buffered signal, so that the Nonvolatile memory chip of the target device preserves the Nonvolatile memory
Internal storage data in chip.
In order to determine whether target device will enter power-down state, in an embodiment of the present invention, the judging unit,
Described according to the electric signal executing, when judging whether the target device will enter power-down state, described for determining
Whether mean value of the magnitude of voltage of electric signal in predetermined time period, judge the mean value less than or equal to the first preset value,
If it is, determining that the target device will enter power-down state.
In order to determine whether target device will enter power-down state, in an embodiment of the present invention, the judging unit,
Described according to the electric signal executing, when judging whether the target device will enter power-down state, described for judging
Whether the magnitude of voltage of electric signal is less than or equal to the second preset value, if it is, determining that the target device will enter power down shape
State.
The contents such as the information exchange between each unit, implementation procedure in said apparatus, due to implementing with the inventive method
Example is based on same design, and particular content can be found in the narration in the inventive method embodiment, and here is omitted.
Each embodiment of the invention at least has the advantages that：
1st, in embodiments of the present invention, internal storage data processing module and Nonvolatile memory core are set in target device
Piece, is detected the electric signal of the power supply chip output of target device, and then determines target device by internal storage data processing module
Whether will power down, judge target device will power down when, export buffered signal so that Nonvolatile memory chip is preserved
Internal storage data, it is to avoid internal storage data is lost because of power down, improves the security of internal storage data.
2nd, fluctuation also occurs in the case of the electric signal normal work exported due to power supply chip, if the electricity with certain
Pressure value may occur missing because this magnitude of voltage fluctuation is larger judging whether target device will enter power-down state
Sentence, normal for target device power-up state is mistaken for entering power-down state.In embodiments of the present invention, according to power supply chip
Mean value of the magnitude of voltage of the electric signal of output in predetermined time period is judging whether target device will enter power down shape
State, this way it is possible to avoid the erroneous judgement that certain larger fluctuation is caused so that judged result is more accurate, and then causes non-volatile
Property memory chip makes more accurate response.
3rd, the electric signal of power supply chip output is the source of other electric signals of target device, is to enter mesh earliest from outside
I.e. whether the electric signal of marking device, in embodiments of the present invention, judge target device according to the electric signal of power supply chip output
Power-down state will be entered more accurate, before power down, be obtained in that more process times so that Nonvolatile memory chip
There is time enough to preserve the internal storage data in Nonvolatile memory chip.
4th, in embodiments of the present invention, target device in the case of power down, can preserve the current data of target device
With internal storage datas such as operations, the risk that loss of data and operation are lost is effectively reduced, be also the upper end business of target device
Operation is provided and is ensured.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation is made a distinction with another entity or operation, and not necessarily require or imply presence between these entities or operation
Any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to non-
Exclusiveness includes, so that a series of process, method, article or equipment including key elements not only include those key elements,
But also other key elements including being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element for being limited by sentence " including ", does not arrange
Remove and also there is other identical factor in process, method, article or the equipment for including the key element.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of said method embodiment can pass through
Completing, aforesaid program can be stored in the storage medium of embodied on computer readable the related hardware of programmed instruction, the program
Upon execution, the step of including said method embodiment is executed；And aforesaid storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes in.
Last it should be noted that：Presently preferred embodiments of the present invention is the foregoing is only, the skill of the present invention is merely to illustrate
Art scheme, is not intended to limit protection scope of the present invention.All any modifications that is made within the spirit and principles in the present invention,
Equivalent, improvement etc., are all contained in protection scope of the present invention.
Claims (10)
1. a kind of target device, it is characterised in that include：
Power supply chip, internal storage data processing module and Nonvolatile memory chip；
The power supply chip is connected with the internal storage data processing module；
The internal storage data processing module is connected with the Nonvolatile memory chip；
The internal storage data processing module, for the electric signal of power supply chip output described in real-time detection, according to the electric signal,
Judge whether the target device will enter power-down state, if it is, output buffered signal, so that described non-volatile interior
Deposit chip and preserve the internal storage data in the Nonvolatile memory chip；
The Nonvolatile memory chip, for the buffered signal exported according to the internal storage data processing module, preserves described
Internal storage data in Nonvolatile memory chip.
2. target device according to claim 1, it is characterised in that
The internal storage data processing module, described according to the electric signal executing, judge whether the target device will enter
When entering power-down state, for determining mean value of the magnitude of voltage of the electric signal in predetermined time period, judge described average
Whether value is less than or equal to the first preset value, if it is, determining that the target device will enter power-down state.
3. target device according to claim 1, it is characterised in that
The internal storage data processing module, described according to the electric signal executing, judge whether the target device will enter
When entering power-down state, for whether judging the magnitude of voltage of the electric signal less than or equal to the second preset value, if it is, determining institute
State target device and will enter power-down state.
4. according to arbitrary described target device in claim 1-3, it is characterised in that further include：South Bridge chip；
The South Bridge chip is arranged between the internal storage data processing module and the Nonvolatile memory chip, respectively with institute
State internal storage data processing module to be connected with the Nonvolatile memory chip；
The South Bridge chip, for receiving the buffered signal of the internal storage data processing module output, according to the caching
The trigger is sent to the Nonvolatile memory chip by signal generation trigger；
The Nonvolatile memory chip, for when the trigger that the South Bridge chip is sent is received, preserving institute
State the internal storage data in Nonvolatile memory chip.
5. target device according to claim 2, it is characterised in that
The span of the predetermined time period is [1 millisecond, 3 milliseconds]；
And/or,
The span of first preset value is [11.5v, 12v].
6. a kind of processing method of internal storage data, it is characterised in that include：
The electric signal of the power supply chip output of real-time detection target device；
According to the electric signal, judge whether the target device will enter power-down state, if it is, output caching letter
Number, so that the Nonvolatile memory chip of the target device preserves the internal storage data in the Nonvolatile memory chip.
7. method according to claim 6, it is characterised in that
Described judge whether the target device will enter power-down state according to the electric signal, including：
Determine mean value of the magnitude of voltage of the electric signal in predetermined time period；
Whether the mean value is judged less than or equal to the first preset value, if it is, determining that the target device will be entered
Electricity condition.
8. method according to claim 6, it is characterised in that
Described judge whether the target device will enter power-down state according to the electric signal, including：
Whether the magnitude of voltage of the electric signal is judged less than or equal to the second preset value, if it is, determining that the target device is
Power-down state will be entered.
9. a kind of processing meanss of internal storage data, it is characterised in that include：
Detector unit, for the electric signal of the power supply chip output of real-time detection target device；
Judging unit, for according to the electric signal, judging whether the target device will enter power-down state, if it is,
Buffered signal is then exported, so that the Nonvolatile memory chip of the target device is preserved in the Nonvolatile memory chip
Internal storage data.
10. device according to claim 9, it is characterised in that
The judging unit, described according to the electric signal executing, judge whether the target device will enter power down shape
During state, for determining mean value of the magnitude of voltage of the electric signal in predetermined time period, judge whether the mean value is little
In the first preset value is equal to, if it is, determining that the target device will enter power-down state；
Or,
The judging unit, described according to the electric signal executing, judge whether the target device will enter power down shape
During state, for whether judging the magnitude of voltage of the electric signal less than or equal to the second preset value, if it is, determining that the target sets
Standby will enter power-down state.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109144778A (en) * | 2018-07-27 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of storage server system and its backup method, system and readable storage medium storing program for executing |
| CN111103554A (en) * | 2019-11-27 | 2020-05-05 | 九阳股份有限公司 | Power failure detection method, device, circuit system and computer storage medium |
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| CN1949197A (en) * | 2006-11-23 | 2007-04-18 | 北京飞天诚信科技有限公司 | Portable equipment based on non-volatile memory and method of realizing power failure protection |
| CN102289414A (en) * | 2010-06-17 | 2011-12-21 | 中兴通讯股份有限公司 | Memory data protection device and method |
| CN102033826A (en) * | 2010-12-03 | 2011-04-27 | 创新科存储技术有限公司 | Power failure data protection device and method for internal memory |
| CN103514115A (en) * | 2013-10-22 | 2014-01-15 | 浪潮电子信息产业股份有限公司 | Automatic saving design method of CPU data and memory data based on power down protection |
| CN104834369A (en) * | 2015-05-11 | 2015-08-12 | 北方信息控制集团有限公司 | Power failure data protection device of real-time control system |
| CN105630707A (en) * | 2015-11-16 | 2016-06-01 | 上海磁宇信息科技有限公司 | Storage device with power-off protection function, power-off protection method and computing system |
| CN105302269A (en) * | 2015-11-30 | 2016-02-03 | 北京机械设备研究所 | Power failure detection and data storage circuit for microcomputer system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109144778A (en) * | 2018-07-27 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of storage server system and its backup method, system and readable storage medium storing program for executing |
| CN111103554A (en) * | 2019-11-27 | 2020-05-05 | 九阳股份有限公司 | Power failure detection method, device, circuit system and computer storage medium |
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