CN107153508A - A kind of date storage method and device - Google Patents
A kind of date storage method and device Download PDFInfo
- Publication number
- CN107153508A CN107153508A CN201610120859.5A CN201610120859A CN107153508A CN 107153508 A CN107153508 A CN 107153508A CN 201610120859 A CN201610120859 A CN 201610120859A CN 107153508 A CN107153508 A CN 107153508A
- Authority
- CN
- China
- Prior art keywords
- data
- storage
- metadata
- check value
- stored
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
- G06F3/0619—Improving the reliability of storage systems in relation to data integrity, e.g. data losses, bit errors
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
- G06F11/1016—Error in accessing a memory location, i.e. addressing error
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1048—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using arrangements adapted for a specific error detection or correction feature
- G06F11/1052—Bypassing or disabling error detection or correction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Human Computer Interaction (AREA)
- Computer Security & Cryptography (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The embodiment of the invention discloses a kind of date storage method and device, applied to storage device, storage device includes：Meta-data index storage domain, this method includes：Receive data storage request, determine the target storage position of data to be stored included in the data storage request, and judge target storage position whether in the domain of meta-data index storage, if in the domain of meta-data index storage, whether be metadata, if it has, then in the case where meeting default storage condition by data storage to be stored to target storage position if then judging data to be stored, if it has not, then refusing data storage to be stored to target storage position.Using technical scheme data storage provided in an embodiment of the present invention, the reliability of storage system is improved.
Description
Technical field
The present invention relates to data processing field, more particularly to a kind of date storage method and device.
Background technology
For the storage system stored based on block, the importance of the metadata in storage device is self-evident.
At present, within the storage system, in order to improve data storage efficiency, often by the member of True Data and True Data
Data storage is in same storage device, for example：When storing a data, the data are calculated first and are deposited at this
The storage location in equipment is stored up, the storage location of the data is determined, and by the data storage to the storage location.
So can efficient data storage.
But, above-mentioned storage device is when the storage location for calculating a data is inclined, it is likely that deviation, example occur
Such as：Just metadata is being stored by calculating storage location of the data determined in above-mentioned storage device
Storage location, the data will cover the metadata that has stored in the storage location, and then metadata is carried out
Maloperation, above-mentioned storage device necessarily goes wrong when reading metadata, even results in storage system collapse.
In the prior art, the protection to metadata is lacked, the data are likely to cover in data storage
The metadata of storage, causes storage device correctly to read metadata, even results in storage system collapse,
Reduce the reliability of storage system.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of date storage method and device, to improve storage system
Reliability.
To reach above-mentioned purpose, the embodiment of the invention discloses a kind of date storage method, set applied to storage
Standby, the storage device includes：Meta-data index storage domain, methods described includes step：
Data storage request is received, wherein, data to be stored are included in the data storage request；
The target storage position of the data to be stored is determined, and judges the target storage position whether in institute
State in the domain of meta-data index storage；
Whether if in the meta-data index storage domain, it is metadata to judge the data to be stored；
If it has, then in the case where meeting default storage condition by the data storage to be stored to the mesh
Mark storage location；
If it has not, then refusing the data storage to be stored to the target storage position.
In a specific embodiment of the present invention, also included in the data storage request：Equipment interface
Mark；
It is described to judge whether the data to be stored are metadata, including：
Judge that the equipment interface identifies whether the default equipment interface of correspondence, wherein, the default equipment
Interface is used to transmit metadata；
If it has, then judging the data to be stored as the metadata.
In a specific embodiment of the present invention, it is described in the case where meeting default storage condition by institute
Data storage to be stored is stated to the target storage position, including：
Judge whether all metadata stored in the meta-data index storage domain are complete；
If it has, then by the data storage to be stored to the target storage position.
It is described to judge to have stored in the meta-data index storage domain in a specific embodiment of the present invention
All metadata it is whether complete, including：
According to default checking algorithm, all metadata stored in the acquisition meta-data index storage domain
First check value；
Judge whether first check value is consistent with the first default check value；
If it has, then judging that all metadata stored in the meta-data index storage domain are complete；
It is described by the data storage to be stored to the target storage position after, in addition to：
According to the default checking algorithm, all first numbers stored in the meta-data index storage domain are obtained
According to the second check value；
According to second check value, the first default check value is updated.
In a specific embodiment of the present invention, the meta-data index storage domain includes：Main metadata is deposited
Storage area domain and standby meta-data index storage domain, wherein, the standby meta-data index storage domain is that the main metadata is deposited
The data backup region in storage area domain, the target storage position is in the main metadata storage region；
Whether all metadata for judging to have stored in the meta-data index storage domain are complete, including：
According to default checking algorithm, all metadata stored in the main metadata storage region are obtained
The 3rd check value, and judge whether the 3rd check value consistent with the second default check value；
If the 3rd check value and the described second default check value are inconsistent, according to the default school
Checking method, obtains the 4th check value of the metadata stored in the standby meta-data index storage domain, and judges
Whether the 4th check value is consistent with the described second default check value；
If it has, then judging that all metadata stored in the meta-data index storage domain are complete；
It is described by the data storage to be stored to the target storage position after, in addition to：
According to the default checking algorithm, all members stored in the main metadata storage region are obtained
5th check value of data；
According to the 5th check value, the second default check value is updated.
In a specific embodiment of the present invention, judging that the 4th check value is default with described second
Check value it is consistent after, in addition to：
According to all metadata stored in the standby meta-data index storage domain, update the main metadata and deposit
The metadata stored in storage area domain.
In a specific embodiment of the present invention, methods described also includes：
In the case where the 4th check value and the described second default check value are inconsistent, initialization is described
The metadata in metadata and the standby meta-data index storage domain in main metadata storage region, and judge institute
State all metadata stored in the domain of meta-data index storage complete.
To reach above-mentioned purpose, the embodiment of the invention also discloses a kind of data storage device, applied to storage
Equipment, the storage device includes：Meta-data index storage domain, described device includes：Request receiving module,
Storage location judge module, data judge module, data memory module and data storage refusal module；
Wherein, the request receiving module, for receiving data storage request, wherein, the data storage
Data to be stored are included in request；
The storage location judge module, for determining the target storage position of the data to be stored, and sentences
Whether the target storage position of breaking is in the meta-data index storage domain, if in the meta-data index storage domain
It is interior, then trigger the data judge module；
The data judge module, for judging whether the data to be stored are metadata, if it has, then
The data memory module is triggered, if it has not, then triggering the data storage refusal module；
The data memory module, in the case where meeting default storage condition by the data to be stored
Store to the target storage position；
The data storage refuses module, for refusing to store the data storage to be stored to the target
Position.
In a specific embodiment of the present invention, also included in the data storage request：Equipment interface
Mark；
The data judge module, including：Equipment interface judging submodule and data decision sub-module；
Wherein, the equipment interface judging submodule, for judging that the equipment interface identifies whether that correspondence is pre-
If equipment interface, if it has, then trigger the data judging submodule, wherein, the default equipment
Interface is used to transmit metadata；
The data judging submodule, for judging the data to be stored as the metadata.
In a specific embodiment of the present invention, the data memory module, including：Partial data is sentenced
Disconnected submodule and data sub-module stored；
Wherein, the partial data judging submodule, for judging to have stored in the meta-data index storage domain
All metadata it is whether complete, if it has, then triggering the data storage submodule；
The data storage submodule, for by the data storage to be stored to the target storage position.
In a specific embodiment of the present invention, the partial data judging submodule, including：Verification
It is worth obtaining unit, the first check value judging unit and the first partial data identifying unit；
Wherein, the check value obtaining unit, for according to default checking algorithm, obtaining the metadata
First check value of all metadata stored in storage region；
The first check value judging unit, for judge first check value whether with the first default school
Value is tested consistent, if it has, then triggering the partial data identifying unit；
The partial data identifying unit, for all members for judging to have stored in the meta-data index storage domain
Data are complete；
Described device also includes：First check value obtains module and the first check value update module；
Wherein, first check value obtains module, for according to the default checking algorithm, obtaining institute
State the second check value of all metadata stored in the domain of meta-data index storage；
The first check value update module, presets for according to second check value, updating described first
Check value.
In a specific embodiment of the present invention, the meta-data index storage domain includes：Main metadata is deposited
Storage area domain and standby meta-data index storage domain, wherein, the standby meta-data index storage domain is that the main metadata is deposited
The data backup region in storage area domain, the target storage position is in the main metadata storage region；
The partial data judging submodule, including：Second check value judging unit, the 3rd check value judge
Unit and the second partial data identifying unit；
Wherein, the second check value judging unit, for according to default checking algorithm, obtaining the master
3rd check value of all metadata stored in the domain of meta-data index storage, and judge the 3rd check value
It is whether consistent with the second default check value, if the 3rd check value and the described second default check value are not
Unanimously, then the 3rd check value judging unit is triggered；
The 3rd check value judging unit, for according to the default checking algorithm, obtaining the standby member
4th check value of the metadata stored in data storage areas, and judge the 4th check value whether with
The second default check value is consistent, if it has, then triggering the second partial data identifying unit；
The second partial data identifying unit, for the institute for judging to have stored in the meta-data index storage domain
There is metadata complete；
Described device also includes：Second check value obtains module and the second check value update module；
Wherein, second check value obtains module, for according to the default checking algorithm, obtaining institute
State the 5th check value of all metadata stored in main metadata storage region；
The second check value update module, presets for according to the 5th check value, updating described second
Check value.
In a specific embodiment of the present invention, described device also includes：Metadata updates module,
For according to all metadata stored in the standby meta-data index storage domain, updating the pivot number
According to the metadata stored in storage region.
In a specific embodiment of the present invention, described device also includes：Metadata initialization module,
For in the case where the 4th check value and the described second default check value are inconsistent, initializing
The metadata in metadata and the standby meta-data index storage domain in the main metadata storage region, and sentence
All metadata stored in the fixed meta-data index storage domain are complete.
Therefore, in the embodiment of the present invention, storage device is received after data storage request, is determined and is treated
The target storage position of data storage, and the target storage position is judged whether in the domain of meta-data index storage,
Whether if in the domain of meta-data index storage, it is metadata to judge the data to be stored, if it is, meeting
By the data storage to be stored to the target storage position in the case of default storage condition, if it has not, then
Refusal stores the data to be stored, and this avoid the problem of True Data covering metadata, it is ensured that storage
Equipment can correctly read metadata, improve the reliability of storage system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to implementing
The accompanying drawing used required in example or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of Fig. 1 schematic flow sheets of date storage method provided in an embodiment of the present invention；
The schematic flow sheet of Fig. 2 another date storage methods provided in an embodiment of the present invention；
The schematic flow sheet of Fig. 3 another date storage methods provided in an embodiment of the present invention；
The schematic flow sheet of Fig. 4 another date storage methods provided in an embodiment of the present invention；
A kind of Fig. 5 structural representations of data storage device provided in an embodiment of the present invention；
The structural representation of Fig. 6 another data storage devices provided in an embodiment of the present invention；
The structural representation of Fig. 7 another data storage devices provided in an embodiment of the present invention；
The structural representation of Fig. 8 another data storage devices provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of date storage method and device, applied to storage device, storage is set
It is standby to include：Meta-data index storage domain, this method includes：Data storage request is received, the data storage is determined
The target storage position of the data to be stored included in request, and judge target storage position whether in metadata
In storage region, whether if in the domain of meta-data index storage, it is metadata to judge data to be stored, if
Be, then in the case where meeting default storage condition by data storage to be stored to target storage position, if
It is no, then refuse data storage to be stored to target storage position.
Below by specific embodiment, the present invention is described in detail.
With reference to Fig. 1, a kind of Fig. 1 schematic flow sheets of date storage method provided in an embodiment of the present invention, application
In storage device, the storage device can include：Meta-data index storage domain, this method can include following step
Suddenly：
S101：Receive data storage request；
Wherein, data to be stored are included in above-mentioned data storage request.Here, data to be stored can be true
Real data, or the metadata of True Data.
In practical application, the user that data storage request can receive for the Virtual File System in storage device
The data storage request of transmission, wherein, Virtual File System is the file system based on cloud storage, its conduct
The bottom storage basis of cloud storage system, can provide storage service for upper layer application.
The metadata of True Data can be：The storage location of True Data, the size of data ... of True Data
Etc. information, the application is defined not to this.
S102：The target storage position of the data to be stored is determined, and judges that the target storage position is
It is no in the meta-data index storage domain, if in the meta-data index storage domain, performing step S103；
Certainly, in other embodiments of the present invention, if target storage position is not in the meta-data index storage
In domain, then data to be stored can be directly stored to target storage position.
In a specific embodiment of the present invention, above-mentioned storage device can include：Meta-data index storage
Domain and real data storage region domain, wherein, meta-data index storage domain, for storing metadata, True Data
Storage region, for storing True Data.
For the storage system stored based on block, the importance of the metadata in storage device be it is self-evident,
It is stored with because potentially including multiple storage devices in storage system, and in each storage device substantial amounts of true
Real data, storage system can rapidly obtain True Data according to metadata, without going each deposit
All True Datas are come acquisition True Data in storage equipment.Therefore, in this case, in storage device
Receive after data storage request, it is thus necessary to determine that whether the target storage position of data to be stored deposits in metadata
Storage area domain.Here, for how to determine the target storage position data prior arts of data to be stored, herein
Repeat no more.
S103：Whether judge the data to be stored is metadata, if it has, then step S104 is performed, if
It is no, then performs step S105；
S104：The data storage to be stored to the target is deposited in the case where meeting default storage condition
Storage space is put；
S105：Refuse the data storage to be stored to the target storage position.
Specifically, it is determined that the target storage position of data to be stored in the domain of meta-data index storage in the case of,
In order to ensure the metadata in the domain of meta-data index storage is correct, it is thus necessary to determine that whether the data to be stored are first number
According to if metadata, then meeting should to what is determined by data storage to be stored in the case of presetting storage condition
The target storage position of data to be stored, will in the data storage to be stored to meta-data index storage domain, if
It is not metadata, then refuses data storage to be stored to the target storage position of the data to be stored determined,
Do not allow in the data storage to be stored to meta-data index storage domain.
In a specific embodiment of the present invention, it can also be included in above-mentioned data storage request：Equipment
Interface identifier；
In this case, it is above-mentioned to judge whether the data to be stored are metadata, it can include：
Judge that equipment interface identifies whether the default equipment interface of correspondence, wherein, default equipment interface is used for
Transmit metadata；
If it has, then judging data to be stored as metadata；
If it has not, then judging that data to be stored are not metadata.
In practical application, an equipment interface can be preset in storage device, such as：Device drives interface,
The default equipment interface is responsible for transmitting the relevant information of metadata and metadata, and refuses transmission True Data
And the relevant information of True Data, here the relevant information of metadata include：The data volume size of metadata,
Target storage position of metadata etc., the relevant information of True Data includes：The data volume size of True Data,
Target storage position of True Data etc..So when whether judge data to be stored is metadata, it is only necessary to
Judge that the equipment interface included in data storage request identifies whether corresponding equipment interface is for transmitting first number
According to default equipment interface, whether quickly and easily judged data to be stored is metadata,
True Data is efficiently avoid to store into meta-data index storage domain.
Using embodiment illustrated in fig. 1, storage device is received after data storage request, determines data to be stored
Target storage position, and the target storage position is judged whether in the domain of meta-data index storage, if in first number
According in storage region, then judging whether the data to be stored are metadata, if it is, meeting default storage
By the data storage to be stored to the target storage position in the case of condition, if it has not, then refusal storage
The data to be stored, this avoid the problem of True Data covering metadata, it is ensured that storage device can
It is correct to read metadata, improve the reliability of storage system.
With reference to Fig. 2, the schematic flow sheet of Fig. 2 another date storage methods provided in an embodiment of the present invention should
For storage device, the storage device can include：In meta-data index storage domain, this method, step S104
It can include：
S1041：Judge whether all metadata stored in the meta-data index storage domain are complete, if it is,
Then perform step S1042；
S1042：By the data storage to be stored to the target storage position.
In practical application, it is likely that because the reason such as maloperation of user, causes in the domain of meta-data index storage
The loss of learning or information errors of metadata, now, if not handling the incomplete metadata, also
It is that the metadata that will be received is stored into meta-data index storage domain, then when storage device, to read this endless
During whole metadata, it is likely that cause storage system to be collapsed.Therefore, deposit metadata is stored to metadata
Before the target storage position in storage area domain, judge whether is all metadata for having been stored in the domain of meta-data index storage
Completely, the incomplete problem of metadata to find as early as possible and in processing elements data storage areas, it is to avoid storage
The problem of system crash, occurs.
Using embodiment illustrated in fig. 2, judge whether all metadata stored in the domain of meta-data index storage are complete
It is whole, in the case that all metadata for having been stored in the domain of meta-data index storage are complete, just by data to be stored
Store to target storage position.This way it is ensured that metadata in the domain of meta-data index storage is correct, complete,
Avoid causes the problem of storage system is collapsed because the metadata in the domain of meta-data index storage is imperfect.
With reference to Fig. 3, the schematic flow sheet of Fig. 3 another date storage methods provided in an embodiment of the present invention should
For storage device, the storage device can include：In meta-data index storage domain, this method, step S1041
It can include：
S1041a：According to default checking algorithm, what is stored in the acquisition meta-data index storage domain is all
First check value of metadata；
Wherein, default checking algorithm can be CRC check algorithm, can also be other checking algorithms, this
Invention is to this without limiting.
S1041b：Judge whether first check value is consistent with the first default check value, if it has, then
Perform step S1041c；
Wherein, the first default check value can be above-mentioned storage device in upper once meta-data index storage domain
Store what is obtained after data to be stored, it is so more intelligent；Can also for user according to meta-data index storage
What the metadata stored in domain gave, it is so humanized.
S1041c：Judge that all metadata stored in the meta-data index storage domain are complete.
It is assumed that the first default check value is 145, if according to default checking algorithm, the verification of acquisition first
It is worth for 145,145=145, then can be determined that all metadata stored in the domain of meta-data index storage are complete,
At this point it is possible to the target storage position by data storage to be stored into meta-data index storage domain.
, can be with if the first check value and the first default check value are inconsistent in a kind of specific implementation
Metadata in initialization metadata storage region, then by data storage to be stored into meta-data index storage domain
Target storage position.It is assumed that the first default check value is 145, if according to default checking algorithm, obtaining
The check value for obtaining first is 120,145 ≠ 120, then can be determined that what is stored in the domain of meta-data index storage owns
Metadata is imperfect, at this point it is possible to by after the metadata in the domain of meta-data index storage all initialization.So
If the part of the metadata storage mistake in the domain of meta-data index storage, can timely be handled, be improved
The reliability of storage system.
In addition, in above-mentioned date storage method, after by data storage to be stored to target storage position,
It can also include：
S106：According to the default checking algorithm, the institute stored in the meta-data index storage domain is obtained
There is the second check value of metadata；
S107：According to second check value, the first default check value is updated.
In practical application, after data storage to be stored is into meta-data index storage domain, in the domain of meta-data index storage
Metadata changed, in order to ensure verification is correct, the first default check value needs to update.It is assumed that
It is 145 to store before data to be stored first default check value, and judgement obtains the first check value and first default
Check value is consistent, then by data storage to be stored into meta-data index storage domain, the second verification is now obtained again
It is worth for 150, then the first default check value is updated to 150.
It should be noted that when non-data storage in the domain of meta-data index storage, can be directly by number to be stored
According to the target storage position stored into meta-data index storage domain, the second check value is obtained after storage, and should
Second check value needs to store to metadata storage as the first default check value when needing data storage again
When in region, verified according to above-mentioned steps.
Using embodiment illustrated in fig. 3, according to default checking algorithm, obtain and stored in the domain of meta-data index storage
All metadata the first check value, judge whether first check value consistent with the first default check value,
If consistent, target storage position that can be by data storage to be stored into meta-data index storage domain, and
Store after data to be stored, obtain the second check value of all metadata stored in the domain of meta-data index storage,
According to second check value, the first default check value is updated.Meta-data index storage can be so found in time
In domain metadata storage whether mistake part, improve the reliability of storage system.
With reference to Fig. 4, the schematic flow sheet of Fig. 4 another date storage methods provided in an embodiment of the present invention should
For storage device, the storage device can include：In meta-data index storage domain, this method, metadata is deposited
Storage area domain can include：Main metadata storage region and standby meta-data index storage domain, wherein, standby metadata is deposited
Storage area domain is the data backup region in main meta-data index storage domain, and target storage position is in main metadata memory block
In domain.
In this case, step S1041 can include：
S1041d：According to default checking algorithm, the institute stored in the main metadata storage region is obtained
There is the 3rd check value of metadata, and judge whether the 3rd check value is consistent with the second default check value,
If the 3rd check value and the described second default check value are inconsistent, step S1041e is performed；
Wherein, default checking algorithm can be CRC check algorithm, can also be other checking algorithms, this
Invention is to this without limiting.In addition, the second default check value can for above-mentioned storage device it is upper once
Stored in main metadata storage region after data to be stored, according to the institute stored in main metadata storage region
Have what metadata was obtained；Can also above-mentioned storage device stored in upper once main metadata storage region and wait to deposit
Store up after data, and the data to be stored are backuped to behind standby meta-data index storage domain, stored according to standby metadata
What all metadata stored in region were obtained；Can also for user according in main metadata storage region
What all metadata of storage gave.
In a kind of specific implementation, if the 3rd check value is consistent with the second default check value, it will can treat
Data storage stores the target storage position into main metadata storage region, is stored in main metadata memory block
After in domain, the data to be stored can also be backuped to standby meta-data index storage from main metadata storage region
In domain.
Certainly, if the 3rd check value is consistent with the second default check value, it can also be deposited by data to be stored
While storing up target storage position into main metadata storage region, by the data to be stored directly store to
In standby meta-data index storage domain.
S1041e：According to the default checking algorithm, obtain and stored in the standby meta-data index storage domain
Metadata the 4th check value, and judge the 4th check value whether with the described second default check value
Unanimously, if it has, then performing step S1041f；
S1041f：Judge that all metadata stored in the meta-data index storage domain are complete.
In a specific embodiment of the present invention, the institute stored in the domain of above-mentioned judgement meta-data index storage
Before having metadata complete, it can also include：
According to all metadata stored in standby meta-data index storage domain, update in main metadata storage region
The metadata stored.
Specifically, according to all metadata stored in standby meta-data index storage domain, update main metadata and deposit
The metadata stored in storage area domain, Ke Yiwei：Obtain the first number for occurring mistake in main metadata storage region
According to, and to that the correct metadata of the metadata of mistake should occur in standby meta-data index storage domain, by this just
There is the metadata of mistake in true metadata updates, so can rapidly update in main metadata storage region
The metadata stored.
Specifically, according to all metadata stored in standby meta-data index storage domain, update main metadata and deposit
The metadata stored in storage area domain, can also be：All members stored in standby meta-data index storage domain
Data update all metadata stored in main metadata storage region, and pivot can be so updated exactly
The metadata stored in data storage areas.
In practical application, the data backup region in standby meta-data index storage Yu Weizhu meta-data index storages domain,
In the case of normal, the metadata in metadata and standby meta-data index storage domain in main metadata storage region
It is identical.When the metadata in main metadata storage region is imperfect, when going wrong, if standby metadata storage
Metadata in region is complete, then can according to all metadata stored in standby meta-data index storage domain,
All metadata stored in main metadata storage region are updated complete, so as to ensure that meta-data index storage
The metadata in domain it is correct complete, reduce the error rate of operation metadata.
In a kind of specific implementation, above-mentioned date storage method can also include：
In the case where the 4th check value and the second default check value are inconsistent, initialization main metadata storage
The metadata in metadata and standby meta-data index storage domain in region, and judge in the domain of meta-data index storage
All metadata of storage are complete.
Specifically, in the case where the 4th check value and the second default check value are inconsistent, pivot number is shown
All imperfect according to the metadata in the metadata in storage region and standby meta-data index storage domain, main metadata is deposited
The metadata of appearance mistake in storage area domain can not be recovered by the metadata in standby meta-data index storage domain, because
This, it is necessary to initialize the metadata in metadata in main metadata storage region and standby meta-data index storage domain,
To ensure that the metadata that subsequently stores is correct, it is to avoid storage system collapse.
In addition, in above-mentioned date storage method, after by data storage to be stored to target storage position,
It can also include：
S108：According to the default checking algorithm, obtain what is stored in the main metadata storage region
5th check value of all metadata；
S109：According to the 5th check value, the second default check value is updated.
In practical application, after data storage to be stored is into main metadata storage region, main metadata memory block
Metadata in domain is changed, in order to ensure verification is correct, and the second default check value needs to update.
It is assumed that it is 145 to store the second default check value before data to be stored, in meta-data index storage domain is judged
After all metadata of storage are complete, by data storage to be stored into main metadata storage region, now again
It is 150 to obtain the 5th check value, then the second default check value is updated into 150.
Certainly, the second default check value can also be according to all members stored in standby meta-data index storage domain
Data are updated.Specifically, it is complete in all metadata stored in meta-data index storage domain is judged
Afterwards, by data storage to be stored into main metadata storage region, the data to be stored are deposited back up to it is standby
After all metadata stored in judging meta-data index storage domain are complete, by data storage to be stored to master
In the domain of meta-data index storage, at this point it is possible to according to default checking algorithm, obtain standby meta-data index storage domain
In the 6th check value of all metadata that has stored, according to the 6th check value, update the second default school
Test value.
, can directly will be to be stored it should be noted that when non-data storage in main metadata storage region
Target storage position of the data storage into main metadata storage region, obtains the 5th check value after storage, and
Using the 5th check value as the second default check value, need to store to pivot number when needing data storage again
During according in storage region, verified according to above-mentioned steps.
Using embodiment illustrated in fig. 4, after the metadata failure stored in verification main metadata storage region,
The metadata stored in standby main metadata storage region is verified again, if success, can be determined that metadata is deposited
All metadata stored in storage area domain are complete, due to standby meta-data index storage Yu Weizhu meta-data index storages
The data backup region in domain, therefore can be according to this for the metadata recovery pivot number in the domain of meta-data index storage
According to the metadata of storage region, the error rate of operation metadata is reduced, the reliability of storage system is improved.
With reference to Fig. 5, a kind of Fig. 5 structural representations of data storage device provided in an embodiment of the present invention, application
In storage device, above-mentioned storage device can include：Meta-data index storage domain, the device can include：Please
Ask receiving module 501, storage location judge module 502, data judge module 503, data memory module 504
Refuse module 505 with data storage；
Wherein, request receiving module 501, for receiving data storage request, wherein, in data storage request
Include data to be stored；
Storage location judge module 502, for determining the target storage position of data to be stored, and judges target
Whether storage location is in the domain of meta-data index storage, if in the domain of meta-data index storage, trigger data judges
Module；
Data judge module 503, for judging whether data to be stored are metadata, if it has, then triggering number
According to memory module 504, if it has not, then trigger data storage refusal module 505；
Data memory module 504, in the case where meeting default storage condition by data storage to be stored extremely
Target storage position；
Data storage refuses module 505, for refusing data storage to be stored to target storage position.
In a kind of specific implementation, it can also be included in data storage request：Equipment interface is identified；
Data judge module 503, can include：Equipment interface judging submodule and data decision sub-module (figure
Not shown in 5)；
Wherein, equipment interface judging submodule, for judging that equipment interface identifies whether the default equipment of correspondence
Interface, if it has, then trigger data decision sub-module, wherein, default equipment interface is used to transmit first number
According to；
Data judging submodule, for judging data to be stored as metadata.
Using embodiment illustrated in fig. 5, storage device is received after data storage request, determines data to be stored
Target storage position, and the target storage position is judged whether in the domain of meta-data index storage, if in first number
According in storage region, then judging whether the data to be stored are metadata, if it is, meeting default storage
By the data storage to be stored to the target storage position in the case of condition, if it has not, then refusal storage
The data to be stored, this avoid the problem of True Data covering metadata, it is ensured that storage device can
It is correct to read metadata, improve the reliability of storage system.
With reference to Fig. 6, the structural representation of Fig. 6 another data storage devices provided in an embodiment of the present invention should
For storage device, above-mentioned storage device can include：In meta-data index storage domain, the device, data are deposited
Module 504 is stored up, can be included：Partial data judging submodule 5041 and data sub-module stored 5042；
Wherein, partial data judging submodule 5041, for judging the institute stored in the domain of meta-data index storage
There is metadata whether complete, if it has, then trigger data sub-module stored 5042；
Data storage submodule 5042, for by data storage to be stored to target storage position.
Using embodiment illustrated in fig. 6, judge whether all metadata stored in the domain of meta-data index storage are complete
It is whole, in the case that all metadata for having been stored in the domain of meta-data index storage are complete, just by data to be stored
Store to target storage position.This way it is ensured that metadata in the domain of meta-data index storage is correct, complete,
Avoid causes the problem of storage system is collapsed because the metadata in the domain of meta-data index storage is imperfect.
With reference to Fig. 7, the structural representation of Fig. 7 another data storage devices provided in an embodiment of the present invention should
For storage device, above-mentioned storage device can include：In meta-data index storage domain, the device, complete number
It is judged that submodule 5041, can include：Check value obtaining unit 5041a, the first check value judging unit
5041b and the first partial data identifying unit 5041c；
Wherein, check value obtaining unit 5041a, for according to default checking algorithm, obtaining metadata storage
First check value of all metadata stored in region；
First check value judging unit 5041b, for judge the first check value whether with the first default check value
Unanimously, if it has, then triggering partial data identifying unit 5041c；
Partial data identifying unit 5041c, for judging all metadata stored in the domain of meta-data index storage
Completely；
Now, above-mentioned data storage device can also include：First check value obtains module 506 and first and verified
It is worth update module 507；
Wherein, the first check value obtains module 506, is deposited for according to default checking algorithm, obtaining metadata
Second check value of all metadata stored in storage area domain；
First check value update module 507, for according to the second check value, updating the first default check value.
Using embodiment illustrated in fig. 7, according to default checking algorithm, obtain and stored in the domain of meta-data index storage
All metadata the first check value, judge whether first check value consistent with the first default check value,
If consistent, target storage position that can be by data storage to be stored into meta-data index storage domain, and
Store after data to be stored, obtain the second check value of all metadata stored in the domain of meta-data index storage,
According to second check value, the first default check value is updated.Meta-data index storage can be so found in time
In domain metadata storage whether mistake part, improve the reliability of storage system.
With reference to Fig. 8, the structural representation of Fig. 8 another data storage devices provided in an embodiment of the present invention should
For storage device, above-mentioned storage device can include：In meta-data index storage domain, the device, metadata
Storage region can include：Main metadata storage region and standby meta-data index storage domain, wherein, standby metadata
Storage region is the data backup region in main meta-data index storage domain, and target storage position is stored in main metadata
In region；
Partial data judging submodule 5041, including：Second check value judging unit 5041d, the 3rd check value
Judging unit 5041e and the second partial data identifying unit 5041f；
Wherein, the second check value judging unit 5041d, for according to default checking algorithm, obtaining pivot number
According to the 3rd check value of all metadata stored in storage region, and judge the 3rd check value whether with
Two default check values are consistent, if the 3rd check value and the second default check value are inconsistent, triggering the 3rd
Check value judging unit 5041e；
3rd check value judging unit 5041e, for according to default checking algorithm, obtaining standby metadata storage
4th check value of the metadata stored in region, and judge the 4th check value whether with the second default school
Value is tested consistent, if it has, then the second partial data identifying unit 5041f of triggering；
Second partial data identifying unit 5041f, for judging all members stored in the domain of meta-data index storage
Data are complete.
Now, above-mentioned data storage device can also include：Second check value obtains module 508 and second and verified
It is worth update module 509；
Wherein, the second check value obtains module 508, for according to default checking algorithm, obtaining main metadata
5th check value of all metadata stored in storage region；
Second check value update module 509, for according to the 5th check value, updating the second default check value.
In a kind of specific implementation, above-mentioned data storage device can also include：Metadata updates module (figure
Not shown in 8),
For according to all metadata stored in standby meta-data index storage domain, updating main metadata memory block
The metadata stored in domain.
In a kind of specific implementation, above-mentioned data storage device can also include：Metadata initialization module
(not shown in Fig. 8),
For in the case where the 4th check value and the second default check value are inconsistent, initializing main metadata
The metadata in metadata and standby meta-data index storage domain in storage region, and judge meta-data index storage domain
In all metadata for having stored it is complete.
Using embodiment illustrated in fig. 8, after the metadata failure stored in verification main metadata storage region,
The metadata stored in standby main metadata storage region is verified again, if success, can be determined that metadata is deposited
All metadata stored in storage area domain are complete, due to standby meta-data index storage Yu Weizhu meta-data index storages
The data backup region in domain, therefore can be according to this for the metadata recovery pivot number in the domain of meta-data index storage
According to the metadata of storage region, the error rate of operation metadata is reduced, the reliability of storage system is improved.
For device embodiment, because it is substantially similar to embodiment of the method, so the comparison of description is simple
Single, the relevent part can refer to the partial explaination of embodiments of method.
It should be noted that herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these
There is any this actual relation or order between entity or operation.Moreover, term " comprising ", "comprising"
Or any other variant thereof is intended to cover non-exclusive inclusion, so that including a series of mistake of key elements
Journey, method, article or equipment not only include those key elements, but also other including being not expressly set out
Key element, or also include for this process, method, article or the intrinsic key element of equipment.Do not having
In the case of more limitations, the key element limited by sentence "including a ...", it is not excluded that wanted including described
Also there is other identical element in process, method, article or the equipment of element.
One of ordinary skill in the art will appreciate that realizing all or part of step in above method embodiment
It can be by program to instruct the hardware of correlation to complete, described program can be stored in computer-readable
Take in storage medium, the storage medium designated herein obtained, such as：ROM/RAM, magnetic disc, CD etc..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
Any modification, equivalent substitution and improvements made within the spirit and principles of the invention etc., are all contained in
In protection scope of the present invention.
Claims (14)
1. a kind of date storage method, applied to storage device, it is characterised in that the storage device includes：
Meta-data index storage domain, methods described includes step：
Data storage request is received, wherein, data to be stored are included in the data storage request；
The target storage position of the data to be stored is determined, and judges the target storage position whether in institute
State in the domain of meta-data index storage；
Whether if in the meta-data index storage domain, it is metadata to judge the data to be stored；
If it has, then in the case where meeting default storage condition by the data storage to be stored to the mesh
Mark storage location；
If it has not, then refusing the data storage to be stored to the target storage position.
2. the method according to right wants 1, it is characterised in that also included in the data storage request：
Equipment interface is identified；
It is described to judge whether the data to be stored are metadata, including：
Judge that the equipment interface identifies whether the default equipment interface of correspondence, wherein, the default equipment
Interface is used to transmit metadata；
If it has, then judging the data to be stored as the metadata.
3. according to the method described in claim 1, it is characterised in that described to meet default storage condition
In the case of by the data storage to be stored to the target storage position, including：
Judge whether all metadata stored in the meta-data index storage domain are complete；
If it has, then by the data storage to be stored to the target storage position.
4. method according to claim 3, it is characterised in that the judgement meta-data index storage
Whether all metadata stored in domain are complete, including：
According to default checking algorithm, all metadata stored in the acquisition meta-data index storage domain
First check value；
Judge whether first check value is consistent with the first default check value；
If it has, then judging that all metadata stored in the meta-data index storage domain are complete；
It is described by the data storage to be stored to the target storage position after, in addition to：
According to the default checking algorithm, all first numbers stored in the meta-data index storage domain are obtained
According to the second check value；
According to second check value, the first default check value is updated.
5. method according to claim 3, it is characterised in that the meta-data index storage domain includes：
Main metadata storage region and standby meta-data index storage domain, wherein, the standby meta-data index storage domain is described
The data backup region of main metadata storage region, the target storage position is in the main metadata memory block
In domain；
Whether all metadata for judging to have stored in the meta-data index storage domain are complete, including：
According to default checking algorithm, all metadata stored in the main metadata storage region are obtained
The 3rd check value, and judge whether the 3rd check value consistent with the second default check value；
If the 3rd check value and the described second default check value are inconsistent, according to the default school
Checking method, obtains the 4th check value of the metadata stored in the standby meta-data index storage domain, and judges
Whether the 4th check value is consistent with the described second default check value；
If it has, then judging that all metadata stored in the meta-data index storage domain are complete；
It is described by the data storage to be stored to the target storage position after, in addition to：
According to the default checking algorithm, all members stored in the main metadata storage region are obtained
5th check value of data；
According to the 5th check value, the second default check value is updated.
6. method according to claim 5, it is characterised in that judging the 4th check value and institute
State the second default check value it is consistent after, in addition to：
According to all metadata stored in the standby meta-data index storage domain, update the main metadata and deposit
The metadata stored in storage area domain.
7. method according to claim 5, it is characterised in that methods described also includes：
In the case where the 4th check value and the described second default check value are inconsistent, initialization is described
The metadata in metadata and the standby meta-data index storage domain in main metadata storage region, and judge institute
State all metadata stored in the domain of meta-data index storage complete.
8. a kind of data storage device, applied to storage device, it is characterised in that the storage device includes：
Meta-data index storage domain, described device includes：Request receiving module, storage location judge module, data are sentenced
Disconnected module, data memory module and data storage refusal module；
Wherein, the request receiving module, for receiving data storage request, wherein, the data storage
Data to be stored are included in request；
The storage location judge module, for determining the target storage position of the data to be stored, and sentences
Whether the target storage position of breaking is in the meta-data index storage domain, if in the meta-data index storage domain
It is interior, then trigger the data judge module；
The data judge module, for judging whether the data to be stored are metadata, if it has, then
The data memory module is triggered, if it has not, then triggering the data storage refusal module；
The data memory module, in the case where meeting default storage condition by the data to be stored
Store to the target storage position；
The data storage refuses module, for refusing to store the data storage to be stored to the target
Position.
9. the device according to right wants 8, it is characterised in that also included in the data storage request：
Equipment interface is identified；
The data judge module, including：Equipment interface judging submodule and data decision sub-module；
Wherein, the equipment interface judging submodule, for judging that the equipment interface identifies whether that correspondence is pre-
If equipment interface, if it has, then trigger the data judging submodule, wherein, the default equipment
Interface is used to transmit metadata；
The data judging submodule, for judging the data to be stored as the metadata.
10. device according to claim 8, it is characterised in that the data memory module, including：
Partial data judging submodule and data sub-module stored；
Wherein, the partial data judging submodule, for judging to have stored in the meta-data index storage domain
All metadata it is whether complete, if it has, then triggering the data storage submodule；
The data storage submodule, for by the data storage to be stored to the target storage position.
11. device according to claim 10, it is characterised in that the partial data judging submodule,
Including：Check value obtaining unit, the first check value judging unit and the first partial data identifying unit；
Wherein, the check value obtaining unit, for according to default checking algorithm, obtaining the metadata
First check value of all metadata stored in storage region；
The first check value judging unit, for judge first check value whether with the first default school
Value is tested consistent, if it has, then triggering the partial data identifying unit；
The partial data identifying unit, for all members for judging to have stored in the meta-data index storage domain
Data are complete；
Described device also includes：First check value obtains module and the first check value update module；
Wherein, first check value obtains module, for according to the default checking algorithm, obtaining institute
State the second check value of all metadata stored in the domain of meta-data index storage；
The first check value update module, presets for according to second check value, updating described first
Check value.
12. device according to claim 10, it is characterised in that the meta-data index storage domain includes：
Main metadata storage region and standby meta-data index storage domain, wherein, the standby meta-data index storage domain is described
The data backup region of main metadata storage region, the target storage position is in the main metadata memory block
In domain；
The partial data judging submodule, including：Second check value judging unit, the 3rd check value judge
Unit and the second partial data identifying unit；
Wherein, the second check value judging unit, for according to default checking algorithm, obtaining the master
3rd check value of all metadata stored in the domain of meta-data index storage, and judge the 3rd check value
It is whether consistent with the second default check value, if the 3rd check value and the described second default check value are not
Unanimously, then the 3rd check value judging unit is triggered；
The 3rd check value judging unit, for according to the default checking algorithm, obtaining the standby member
4th check value of the metadata stored in data storage areas, and judge the 4th check value whether with
The second default check value is consistent, if it has, then triggering the second partial data identifying unit；
The second partial data identifying unit, for the institute for judging to have stored in the meta-data index storage domain
There is metadata complete；
Described device also includes：Second check value obtains module and the second check value update module；
Wherein, second check value obtains module, for according to the default checking algorithm, obtaining institute
State the 5th check value of all metadata stored in main metadata storage region；
The second check value update module, presets for according to the 5th check value, updating described second
Check value.
13. device according to claim 12, it is characterised in that described device also includes：Metadata
Update module,
For according to all metadata stored in the standby meta-data index storage domain, updating the pivot number
According to the metadata stored in storage region.
14. device according to claim 12, it is characterised in that described device also includes：Metadata
Initialization module,
For in the case where the 4th check value and the described second default check value are inconsistent, initializing
The metadata in metadata and the standby meta-data index storage domain in the main metadata storage region, and sentence
All metadata stored in the fixed meta-data index storage domain are complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120859.5A CN107153508B (en) | 2016-03-03 | 2016-03-03 | Data storage method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120859.5A CN107153508B (en) | 2016-03-03 | 2016-03-03 | Data storage method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107153508A true CN107153508A (en) | 2017-09-12 |
| CN107153508B CN107153508B (en) | 2020-07-24 |
Family
ID=59792437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610120859.5A Active CN107153508B (en) | 2016-03-03 | 2016-03-03 | Data storage method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107153508B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052413A (en) * | 2017-11-21 | 2018-05-18 | 深信服科技股份有限公司 | Data processing method, device and storage medium based on multiple authentication |
| WO2020024933A1 (en) * | 2018-07-31 | 2020-02-06 | 杭州海康威视系统技术有限公司 | Data writing method and server |
| CN111858468A (en) * | 2020-07-22 | 2020-10-30 | 苏州浪潮智能科技有限公司 | Method, system, terminal and storage medium for verifying metadata of distributed file system |
| CN112667705A (en) * | 2020-12-23 | 2021-04-16 | 大秦铁路股份有限公司 | Train tail wind pressure acquisition method, device and medium of automatic locomotive driving system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002203070A (en) * | 2000-10-17 | 2002-07-19 | Hitachi Ltd | Metadata distribution method |
| CN102932621A (en) * | 2011-08-08 | 2013-02-13 | 杭州海康威视数字技术股份有限公司 | Method and device for storing data |
| CN103399823A (en) * | 2011-12-31 | 2013-11-20 | 华为数字技术（成都）有限公司 | Method, equipment and system for storing service data |
| CN104461404A (en) * | 2014-12-29 | 2015-03-25 | 成都致云科技有限公司 | Metadata storage method, device and system |
| US9244958B1 (en) * | 2013-06-13 | 2016-01-26 | Amazon Technologies, Inc. | Detecting and reconciling system resource metadata anomolies in a distributed storage system |
| CN105373449A (en) * | 2015-11-18 | 2016-03-02 | 华为技术有限公司 | Distributed storage metadata recovery method, apparatus and system |
-
2016
- 2016-03-03 CN CN201610120859.5A patent/CN107153508B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002203070A (en) * | 2000-10-17 | 2002-07-19 | Hitachi Ltd | Metadata distribution method |
| CN102932621A (en) * | 2011-08-08 | 2013-02-13 | 杭州海康威视数字技术股份有限公司 | Method and device for storing data |
| CN103399823A (en) * | 2011-12-31 | 2013-11-20 | 华为数字技术（成都）有限公司 | Method, equipment and system for storing service data |
| US9244958B1 (en) * | 2013-06-13 | 2016-01-26 | Amazon Technologies, Inc. | Detecting and reconciling system resource metadata anomolies in a distributed storage system |
| CN104461404A (en) * | 2014-12-29 | 2015-03-25 | 成都致云科技有限公司 | Metadata storage method, device and system |
| CN105373449A (en) * | 2015-11-18 | 2016-03-02 | 华为技术有限公司 | Distributed storage metadata recovery method, apparatus and system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052413A (en) * | 2017-11-21 | 2018-05-18 | 深信服科技股份有限公司 | Data processing method, device and storage medium based on multiple authentication |
| WO2020024933A1 (en) * | 2018-07-31 | 2020-02-06 | 杭州海康威视系统技术有限公司 | Data writing method and server |
| CN110795386A (en) * | 2018-07-31 | 2020-02-14 | 杭州海康威视系统技术有限公司 | Data writing method and server |
| CN110795386B (en) * | 2018-07-31 | 2022-07-01 | 杭州海康威视系统技术有限公司 | Data writing method and server |
| CN111858468A (en) * | 2020-07-22 | 2020-10-30 | 苏州浪潮智能科技有限公司 | Method, system, terminal and storage medium for verifying metadata of distributed file system |
| CN111858468B (en) * | 2020-07-22 | 2023-01-10 | 苏州浪潮智能科技有限公司 | Method, system, terminal and storage medium for verifying metadata of distributed file system |
| CN112667705A (en) * | 2020-12-23 | 2021-04-16 | 大秦铁路股份有限公司 | Train tail wind pressure acquisition method, device and medium of automatic locomotive driving system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107153508B (en) | 2020-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107153508A (en) | A kind of date storage method and device | |
| CN104391727B (en) | Data programming method, system, burn writing equipment and target device | |
| CN104461641B (en) | A kind of data programming method, system, burn writing equipment and target device | |
| CN106775610A (en) | A kind of electronic equipment starts method and a kind of electronic equipment | |
| CN107609027A (en) | The anti-deleted marker position of file is set and prevents from deleting the method and device of file by mistake | |
| CN109408507A (en) | Processing method, device, equipment and the readable storage medium storing program for executing of multiattribute data | |
| CN109815697A (en) | Wrong report behavior processing method and processing device | |
| CN104836896A (en) | Method and device for carrying out error correction prompt to telephone number | |
| CN114265613B (en) | Method and system for differentially upgrading firmware of all electric control units of whole vehicle | |
| CN106529281B (en) | A kind of executable file processing method and processing device | |
| CN108228793A (en) | Acquisition methods, device and the terminal applies of data | |
| CN105825172A (en) | Mobile-terminal-based multi-fingerprint matching method and system | |
| CN109254791A (en) | Develop management method, computer readable storage medium and the terminal device of data | |
| CN106713032B (en) | A kind of method and device for realizing network management service management | |
| CN102866964B (en) | Method and device for protecting data on storage equipment | |
| CN116401229A (en) | Database data verification method, device and equipment | |
| CN106407470A (en) | Fingerprint sharing method, terminal and server | |
| CN109086171A (en) | A kind of file system restorative procedure and device | |
| CN109446008A (en) | A kind of failure cause detection method, failure cause detection device and terminal device | |
| CN104598817A (en) | Method, device and system for repairing file | |
| CN107430533A (en) | A kind of data verification method and device | |
| CN106656865A (en) | Method and system for managing linked list resource | |
| CN107943613A (en) | Data back up method and system, data reconstruction method and system and usb terminal | |
| CN110309441A (en) | Page display method, device and equipment | |
| CN107797879A (en) | A kind of system configuration errors lookup method, device, equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |