CN107895588A - Estimate the method, apparatus and equipment of the residual life time of SSD disks - Google Patents
Estimate the method, apparatus and equipment of the residual life time of SSD disks Download PDFInfo
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- CN107895588A CN107895588A CN201711228880.8A CN201711228880A CN107895588A CN 107895588 A CN107895588 A CN 107895588A CN 201711228880 A CN201711228880 A CN 201711228880A CN 107895588 A CN107895588 A CN 107895588A
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- time
- residual life
- ssd disks
- value
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/349—Arrangements for evaluating degradation, retention or wearout, e.g. by counting erase cycles
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Abstract
The invention discloses a kind of method for the residual life time for estimating SSD disks, the effective current residual life value that make use of SSD disks, by the current residual life value for obtaining SSD disks, default life value elapsed time difference is reduced with the remaining lifetime value of multiple SSD disks, finally according to the current residual life value, the default life value and the time difference, the residual life time of the SSD disks has been calculated, the purpose for the residual life time for estimating SSD disks is reached, the problems such as effectively avoiding loss of data.Present invention also offers a kind of device, equipment and a kind of computer-readable recording medium of the residual life time for estimating SSD disks, its effect are corresponding with said apparatus.
Description
Technical field
The present invention relates to field of storage, more particularly to a kind of method, apparatus for the residual life time for estimating SSD disks,
Equipment and a kind of computer-readable recording medium.
Background technology
With the development of science and technology, information explosion, people need to store mass data to carry out data
Read-write operation.The equipment for being commonly used in data storage is hard disk, wherein solid-state hard disk SSD, be a kind of permanent memory or
The computer External memory equipment of volatile memory such as Synchronous Dynamic Random Access Memory, relative to conventional hard performance
It is better a lot, has obtained being widely recognized as user at present.
But due to SSD disks using FLASH chip as storage medium, its memory cell structure is special, thus has one
Fixed read-write number limitation.That is the life-span of SSD disks is shorter, if user can not know the remaining life of SSD disks
Time, then when number is read and write more than its read-write number limitation, be likely to result in loss of data, data can not be accessed
The problems such as.
In summary, the residual life time of SSD disks how is estimated, it is that assistant officer treats people in the art to avoid loss of data
Member solves the problems, such as.
The content of the invention
It is an object of the invention to provide a kind of method, apparatus, the equipment and one of the residual life time for estimating SSD disks
Kind computer-readable recording medium, to solve the problems, such as to know that the residual life time of SSD disks causes loss of data.
In order to solve the above technical problems, the present invention provides a kind of method for the residual life time for estimating SSD disks, including：
Obtain the current residual life value of SSD disks；
The remaining lifetime value for obtaining multiple SSD disks reduces default life value elapsed time difference；
According to the current residual life value, the default life value and the time difference, the SSD is calculated
The residual life time of disk.
Wherein, the current residual life value of the acquisition SSD disks includes：
The current residual life value of SSD disks is obtained every preset time.
Wherein, it is described according to the current residual life value, the default life value and the time difference, calculate
The residual life time to the SSD disks includes：
According to multiple time differences, time difference average is calculated；
According to the current residual life value, the default life value and the time difference average, it is calculated described
The residual life time of SSD disks.
Wherein, calculated described according to the current residual life value, the default life value and the time difference
Go out after the residual life time, in addition to：
Judge whether the residual life time is less than default life time；
If the residual life time is less than the default life time, warning is issued the user with to remind user more
Change the SSD disks.
Wherein, the remaining lifetime value for obtaining multiple SSD disks reduces default life value elapsed time difference
Including：
The remaining lifetime value for obtaining SSD disks described in predetermined number reduces default life value elapsed time difference, described
Time difference meets the institute of the predetermined number of preparatory condition between generation moment and the current time of the time difference
State time difference.
Present invention also offers a kind of device for the residual life time for estimating SSD disks, including：
Current residual life value acquisition module：For obtaining the current residual life value of SSD disks；
Time difference acquisition module：Remaining lifetime value for obtaining multiple SSD disks reduces default life value and passed through
The time difference crossed；
Residual life time computing module：For according to the current residual life value, the default life value and described
Time difference, the residual life time of the SSD disks is calculated.
Wherein, the residual life time computing module includes：
Time difference average calculation unit：For according to multiple time differences, time difference average to be calculated；
Residual life time calculating unit：For according to the current residual life value, the default life value and described
Time difference average, the residual life time of the SSD disks is calculated.
Wherein, described device also includes：
Judge module：For judging whether the residual life time is less than default life time；
Alert module：If being less than the default life time for the residual life time, warning is issued the user with
To remind user to change the SSD disks.
In addition, present invention also offers a kind of equipment for the residual life time for estimating SSD disks, including：
Memory, for storing computer program；
Processor, the method for realizing the foregoing residual life time for estimating SSD disks during for performing the computer program
The step of.
Finally, present invention also offers a kind of computer-readable recording medium, deposited on the computer-readable recording medium
Computer program is contained, the computer program realizes the foregoing residual life time for estimating SSD disks when being executed by processor
The step of method.
The method of a kind of residual life time for estimating SSD disks provided by the present invention, by obtaining the current of SSD disks
Remaining lifetime value, and the remaining lifetime value of multiple SSD disks reduce default life value elapsed time difference, last root
According to the current residual life value, the default life value and the time difference, the remaining longevity of the SSD disks is calculated
Order the time.
It can be seen that the method for residual life time for estimating SSD disks provided by the invention a kind of, effectively make use of SSD disks
Current residual life value, it is poor that the remaining lifetime value by obtaining multiple SSD disks reduces default life value elapsed time
Value, finally according to the current residual life value, the default life value and the time difference, has been calculated the SSD
The residual life time of disk, the purpose for the residual life time for estimating SSD disks is reached, has effectively avoided loss of data etc.
Problem.
Can present invention also offers a kind of device, equipment and a kind of computer of the residual life time for estimating SSD disks
Storage medium is read, its effect is corresponding with said apparatus, repeats no more here.
Brief description of the drawings
, below will be to embodiment or existing for the clearer explanation embodiment of the present invention or the technical scheme of prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of flow chart of the embodiment of the method one for the residual life time for estimating SSD disks provided by the invention；
Fig. 2 is a kind of flow chart of the embodiment of the method two for the residual life time for estimating SSD disks provided by the invention；
Fig. 3 is a kind of structure function figure of the device for the residual life time for estimating SSD disks provided by the invention.
Embodiment
The core of the present invention is to provide a kind of method, apparatus, equipment and one kind for estimating the SSD disk residual life times
Computer-readable recording medium, the residual life time of SSD disks is effectively estimated, the problems such as avoiding the loss of data.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings and specific embodiment party
The present invention is described in further detail for formula.Obviously, described embodiment is only part of the embodiment of the present invention, and
The embodiment being not all of.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work
Under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
Start to be discussed in detail the embodiment of the method one of the residual life time provided by the invention for estimating SSD disks, ginseng below
See Fig. 1, embodiment one includes：
Step S11：Obtain the current residual life value of SSD disks.
Specifically, can by a thread to SSD disks send scsi command log sense (log page 0x11) come
The residual life percentage of SSD disks is inquired about, wherein SCSI is increased a set of standard since SBC3, can provide SSD disks
Residual life percentage.
Electricity is at least gone up every time all with a new residual life percentage, the acquisition because SCSI defines SSD manufacturers
The current residual life value of SSD disks can be the current residual life value of timing acquisition SSD disks, such as 10s inquiries are once, right
The SCSI CDB answered are defined as follows：
4D 00 11 00 00 00 00 00 0c 00
Wherein, 4D positions log sense SCSI opcode, the 11 loge page to specify.
The current residual life value can be current residual life time and the whole of life time of the SSD disks
Ratio, or the other forms such as integer for representing life value.Such as the integer that current residual life value is 0-255
Value, when reaching 100, represent that the expected life value of SSD disks has been depleted, but be not intended to this SSD disk and broken down,
SSD disks still can carry out read operation, and the remaining lifetime value of SSD disks can't be reduced by carrying out read operation, but enter row write behaviour
It may result in SSD adjustment debits and badly lose data.
Step S12：The remaining lifetime value for obtaining multiple SSD disks reduces default life value elapsed time difference.
Wherein described time difference pre-saves.Specifically, can obtain the current residual life value it
Afterwards, it is default to judge whether the current residual life value reduces than the remaining lifetime value of the SSD disks at the first moment
Life value.If so, then obtaining current time, the time difference between the current time and first moment is calculated,
And update first moment with the current time.
It should be noted that the present embodiment does not limit step S11 and step S12 sequencing, both priorities are changed
Order can't influence the implementation result of the present embodiment.
Step S13：According to the current residual life value, the default life value and the time difference, it is calculated
The residual life time of the SSD disks.
Specifically, after multiple time differences are obtained, in order to obtain the remaining lifetime value often reduce it is described pre-
If the time that life value is spent, time difference average can be calculated according to multiple time differences.Then according to institute
Current residual life value, the default life value and the time difference average are stated, the residual life time is calculated.
After the residual life time is obtained, the residual life time can be informed user, facilitate user to drink
Feelings consider to use SSD disks.
In addition, after the residual life time is obtained, it can also judge whether the residual life time is small
In default life time.If the residual life time is less than the default life time, warning is issued the user with to carry
The user that wakes up changes the SSD disks.Wherein, the default life time is pre-set, low when the residual life time
In the default life time, represent that the residual life time of the SSD disks is seldom, be continuing with the danger for losing data being present
Danger.
The method for a kind of residual life time for estimating SSD disks that the present embodiment provides, by obtaining the current of SSD disks
Remaining lifetime value, and the remaining lifetime value of multiple SSD disks reduce default life value elapsed time difference, last root
According to the current residual life value, the default life value and the time difference, the remaining longevity of the SSD disks is calculated
Order the time.
It can be seen that a kind of method for residual life time for estimating SSD disks that the present embodiment provides, effectively make use of SSD
The current residual life value of disk, it is poor that the remaining lifetime value by obtaining multiple SSD disks reduces default life value elapsed time
Value, finally according to the current residual life value, the default life value and the time difference, has been calculated the SSD
The residual life time of disk, the purpose for the residual life time for estimating SSD disks is reached, has effectively avoided loss of data etc.
Problem.
The method for the residual life time for estimating SSD disks that embodiment one provides, has effectively estimated the residue of SSD disks
Life time, avoid loss of data.In view of SSD disks remaining lifetime value the different trial periods rate of decay exist
Difference, such as rate of decay of the residual life percentage from 100% to 90% of SSD disks are already clearly below from 20% to 10%
Rate of decay, therefore present invention also offers a kind of embodiment of the method two for the residual life time for estimating SSD disks.
Start to be discussed in detail the embodiment of the method for residual life time for estimating SSD disks provided by the invention a kind of below
Two, such as Fig. 2, embodiment two specifically includes：
Step S21：The current residual life-span percentage of SSD disks is obtained every preset time.
Step S22：The default life-span percentage of residual life percentage reduction for obtaining SSD disks described in predetermined number is passed through
The time difference crossed, the time difference meet preparatory condition between the generation moment and current time of the time difference
The predetermined number the time difference.
Wherein, the predetermined number can be 10, and the preset percentage can be 1%, and the preparatory condition can be with
For the generation moment and the time difference of the current time immediate predetermined number.
Specifically, the time difference can be stored among a dynamic array L_array [n], the dynamic number
Group can include 10 elements, and the element value of the element is the time difference, and the element can be according to respective described
The generation moment sequencing of time difference is arranged in order, and the initial value of the element can be 0.Preserving the time difference
During value, the generation moment for being always ensured that 10 time differences is 10 institutes immediate with the current time
State time difference.
Step S23：According to the time difference of the predetermined number, time difference average is calculated.
Specifically, the calculation formula of time difference average can be：
Time difference average=(L_array [0]+...+L_array [n])/n,
Wherein, it is non-zero that n, which is less than 10, L_array [n],.When whole elements in dynamic array the element value all be 0,
User can be prompted to provide the residual life time.
Step S24：According to the current residual life-span percentage, the default life-span percentage and the time difference
Average, the residual life time of the SSD disks is calculated.
Step S25：Judge whether the residual life time is less than default life time.
Step S26：Warning is issued the user with to remind user to change the SSD disks.
A kind of method for residual life time for estimating SSD disks that the present embodiment provides, on the basis of embodiment one,
The difference of the residual life percentage of SSD disks in the rate of decay of different trial periods is considered, by obtaining predetermined number
Meet the time difference of preparatory condition between generation moment and the current time of the time difference, according to described default
Time difference average is calculated in the time difference of number, finally according to the current residual life-span percentage, described
Default life-span percentage and the time difference mean value computation obtain the residual life time of the SSD disks.Compared to embodiment
One, the method for the residual life time for estimating SSD disks that this implementation provides more accurately has estimated the residual life of SSD disks
Time, loss of data is efficiently avoid, more meets practical application.
A kind of device for the residual life time for estimating SSD disks provided by the invention is introduced below, is described below
The residual life time for estimating SSD disks device and the method for the above-described residual life time for estimating SSD disks can phase
Mutually to should refer to.
Fig. 3 be the residual life time provided in an embodiment of the present invention for estimating SSD disks device structured flowchart, reference
Fig. 3, the device specifically include：
Current residual life value acquisition module 31：For obtaining the current residual life value of SSD disks.
Time difference acquisition module 32：Remaining lifetime value for obtaining multiple SSD disks reduces default life value institute
Elapsed time difference.
Residual life time computing module 33：For according to the current residual life value, the default life value and institute
Time difference is stated, the residual life time of the SSD disks is calculated.
Wherein, the current residual life value acquisition module can be used for, and the current of SSD disks is obtained every preset time
Remaining lifetime value.
Wherein, the residual life time computing module can include：
Time difference average calculation unit：For according to multiple time differences, time difference average to be calculated；
Residual life time calculating unit：For according to the current residual life value, the default life value and described
Time difference average, the residual life time of the SSD disks is calculated.
Wherein, described device can also include：
Judge module：For judging whether the residual life time is less than default life time；
Alert module：If being less than the default life time for the residual life time, warning is issued the user with
To remind user to change the SSD disks.
Wherein, the time difference acquisition module can be also used for, and obtain the residual life of SSD disks described in predetermined number
Value reduces default life value elapsed time difference, the time difference for the time difference the generation moment with it is current
Meet the time difference of the predetermined number of preparatory condition between moment.
The device of the residual life time for estimating SSD disks of the present embodiment is used to realize the foregoing residue for estimating SSD disks
The method of life time, therefore it is visible hereinbefore to estimate embodiment in the device of the residual life time of SSD disks
The embodiment part of the method for the residual life time of SSD disks is estimated, for example, current residual life value acquisition module 31, time
Difference acquisition module 32, residual life time computing module 33, be respectively used to realize it is above-mentioned estimate SSD disks residual life when
Between method in step S11, step S12, step S13.So its embodiment is referred to corresponding various pieces
The description of embodiment, herein not reinflated introduction.
The device for the residual life time for estimating SSD disks that the present embodiment provides, which is used to realizing, foregoing estimates the surplus of SSD disks
The method of remaining life time, therefore, the effect of the present embodiment and the work of the method for the foregoing residual life time for estimating SSD disks
With corresponding, repeat no more here.
In addition, present invention also offers a kind of equipment for the residual life time for estimating SSD disks, including：
Memory, for storing computer program
Processor, the method for realizing the foregoing residual life time for estimating SSD disks during for performing the computer program
The step of.
Finally, present invention also offers a kind of computer-readable recording medium, it is characterised in that described computer-readable
It is stored with computer program in storage medium, the computer program is realized when being executed by processor foregoing estimates the surplus of SSD disks
The step of method of remaining life time.
The equipment and computer-readable recording medium of the residual life time provided by the invention for estimating SSD disks is used for real
The method of the existing foregoing residual life time for estimating SSD disks, therefore, both effects respectively with the foregoing residue for estimating SSD disks
The effect of the method for life time is corresponding, repeats no more here.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and its
The difference of its embodiment, between each embodiment same or similar part mutually referring to.For disclosed in embodiment
For device, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method
Part illustrates.
Professional further appreciates that, with reference to the list of each example of the embodiments described herein description
Member and algorithm steps, it can be realized with electronic hardware, computer software or the combination of the two, it is hard in order to clearly demonstrate
The interchangeability of part and software, the composition and step of each example are generally described according to function in the above description.
These functions are performed with hardware or software mode actually, application-specific and design constraint bar depending on technical scheme
Part.Professional and technical personnel can realize described function using distinct methods to each specific application, but this
Realize it is not considered that beyond the scope of this invention.
Hardware, processor can be directly used with reference to the step of method or algorithm that the embodiments described herein describes
The software module of execution, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, only
Read memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or
In any other form of storage medium well known in technical field.
Above to method, apparatus, equipment and one kind of the residual life time provided by the present invention for estimating SSD disks
Computer-readable recording medium is described in detail.Principle and embodiment party of the specific case used herein to the present invention
Formula is set forth, and the explanation of above example is only intended to help the method and its core concept for understanding the present invention.It should refer to
Go out, for those skilled in the art, under the premise without departing from the principles of the invention, can also be to this hair
Bright to carry out some improvement and modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (10)
- A kind of 1. method for the residual life time for estimating SSD disks, it is characterised in that including：Obtain the current residual life value of SSD disks；The remaining lifetime value for obtaining multiple SSD disks reduces default life value elapsed time difference；According to the current residual life value, the default life value and the time difference, the surplus of the SSD disks is calculated Remaining life time.
- 2. the method as described in claim 1, it is characterised in that the current residual life value of the acquisition SSD disks includes：The current residual life value of SSD disks is obtained every preset time.
- 3. the method as described in claim 1, it is characterised in that described according to the current residual life value, the default longevity Life value and the time difference, the residual life time of the SSD disks, which is calculated, to be included：According to multiple time differences, time difference average is calculated；According to the current residual life value, the default life value and the time difference average, the SSD disks are calculated The residual life time.
- 4. the method as described in claim 1, it is characterised in that it is described according to the current residual life value, it is described default Life value and the time difference, it is calculated after the residual life time of the SSD disks, in addition to：Judge whether the residual life time is less than default life time；If the residual life time is less than the default life time, warning is issued the user with to remind described in user's replacing SSD disks.
- 5. the method as described in claim 1-4 any one, it is characterised in that the residue for obtaining multiple SSD disks Life value, which reduces default life value elapsed time difference, to be included：The remaining lifetime value for obtaining SSD disks described in predetermined number reduces default life value elapsed time difference, the time Difference meets the time difference of the predetermined number of preparatory condition between generation moment and current time.
- A kind of 6. device for the residual life time for estimating SSD disks, it is characterised in that including：Current residual life value acquisition module：For obtaining the current residual life value of SSD disks；Time difference acquisition module：Remaining lifetime value for obtaining multiple SSD disks reduces what default life value was passed through Time difference；Residual life time computing module：For according to the current residual life value, the default life value and the time Difference, the residual life time of the SSD disks is calculated.
- 7. device as claimed in claim 6, it is characterised in that the residual life time computing module includes：Time difference average calculation unit：For according to multiple time differences, time difference average to be calculated；Residual life time calculating unit：For according to the current residual life value, the default life value and the time Difference average, the residual life time of the SSD disks is calculated.
- 8. device as claimed in claim 6, it is characterised in that described device also includes：Judge module：For judging whether the residual life time is less than default life time；Alert module：If being less than the default life time for the residual life time, warning is issued the user with to carry The user that wakes up changes the SSD disks.
- A kind of 9. equipment for the residual life time for estimating SSD disks, it is characterised in that including：Memory, for storing computer program；Processor, realize during for performing the computer program and remaining for SSD disks is estimated as described in any one of claim 1 to 5 The step of method of remaining life time.
- 10. a kind of computer-readable recording medium, it is characterised in that be stored with computer on the computer-readable recording medium Program, the residue that SSD disks are estimated as described in any one of claim 1 to 5 is realized when the computer program is executed by processor The step of method of life time.
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| CN109524048A (en) * | 2018-10-22 | 2019-03-26 | 郑州云海信息技术有限公司 | A kind of the service life method for early warning and relevant apparatus of SSD disk |
| CN110737569A (en) * | 2018-07-19 | 2020-01-31 | 苏州西门子电器有限公司 | Data processing method, device and system for monitoring service life of equipment and storage medium |
| CN111104342A (en) * | 2018-10-29 | 2020-05-05 | 伊姆西Ip控股有限责任公司 | Method, electronic device and computer program product for storage |
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Application publication date: 20180410 |