CN106778305A - A kind of device and method that unit data are carried out with continuous data protection - Google Patents
A kind of device and method that unit data are carried out with continuous data protection Download PDFInfo
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- CN106778305A CN106778305A CN201611162648.4A CN201611162648A CN106778305A CN 106778305 A CN106778305 A CN 106778305A CN 201611162648 A CN201611162648 A CN 201611162648A CN 106778305 A CN106778305 A CN 106778305A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/606—Protecting data by securing the transmission between two devices or processes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
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- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- General Health & Medical Sciences (AREA)
- Storage Device Security (AREA)
Abstract
A kind of device that unit data are carried out with continuous data protection; high-speed communication interface is connected with data host carries out data exchange and power taking; high-speed communication interface is connected with calculating treatment and storage assembly by communications interface control module and carries out data exchange with calculating treatment and storage assembly, and high-speed communication interface is also connected with calculating treatment and storage assembly by port electricity-fetching module and conveys electric energy to calculating treatment and storage assembly.The high-speed communication interface is USB interface or communication serial port or IEEE1394 interfaces or Thunderbolt thunder and lightning interfaces.A kind of method that use said apparatus carry out continuous data protection to unit data.The devices and methods therefor that unit data are carried out with continuous data protection of the invention; the network system of client/server framework need not be set up, continuous data protection can be carried out to the unit data of personal user, mobile one-of-a-kind system, without extra power supply; compact, portable, mobility is high.
Description
Technical field
The present invention relates to a kind of device and method that unit data are carried out with continuous data protection.
Background technology
Continuous data protection（CDP）It is a kind of on the premise of not influenceing key data to run, it is possible to achieve lasting to catch
Or any change that tracking target data occurs, and the method that random time point before this can be returned to.CDP system can
The backup of block level, file-level and application layer, and the unlimited any variable recovery point for recovering target are provided.
Requirement and limitation due to continuous data protection to data volume, access speed and data storage capacities, at present can
The product of continuous data protection function is provided for enterprise-level or the user of department level, the method for using is mainly by ether
Network, fiber channel network（It is abbreviated as FC）、Infiniband（It is abbreviated as IB）The communication such as network/data network, using client/
Server architecture realizes that continuous data protection is backed up.And existing stand-alone data protection product is for it is single when
Between point do the simple products protected.
According to the existing continuous data protection product for enterprise-level or department level to personal user and mobile unit
System carries out data protection, there is Railway Project：Setting up the system of client/server framework needs network support, and device is needed
Additionally to power, device volume is huge, it is impossible to carry with, poor mobility is not suitable with personal user and mobile one-of-a-kind system
Characteristic.
The content of the invention
In view of situation above, in order to solve the problems, such as above-mentioned technology, the present invention propose one kind can to personal user,
The unit data of mobile one-of-a-kind system carry out continuous data protection, it is not necessary to set up the network system of client/server framework, no
Need extra power supply, compact, portable, the mobility device and method that unit data are carried out with continuous data protection high.
A kind of device that unit data are carried out with continuous data protection, including calculate treatment and storage assembly, communication interface
Control module, port electricity-fetching module and high-speed communication interface, high-speed communication interface is connected with data host carries out data exchange
And power taking, high-speed communication interface by communications interface control module with calculate treatment and storage assembly be connected and with calculating process and
Storage assembly carries out data exchange, and high-speed communication interface is also connected by port electricity-fetching module with calculating treatment and storage assembly
And convey electric energy to treatment and storage assembly is calculated.
A kind of the device of continuous data protection is carried out to unit data of the invention, it is preferable that the calculating
Treatment and storage assembly include calculating processing module, cache, data memory module and system firmware.
A kind of the device of continuous data protection is carried out to unit data of the invention, it is preferable that the high speed
Communication interface is USB interface or communication serial port or IEEE1394 interfaces or Thunderbolt thunder and lightning interfaces.
A kind of the device of continuous data protection is carried out to unit data of the invention, it is preferable that also including control
Component processed, the control assembly is connected with calculating treatment and storage assembly.
A kind of the device of continuous data protection is carried out to unit data of the invention, it is preferable that the control
Component includes the replacement/reset/write-protect controlling switch being arranged on device.
A kind of the device of continuous data protection is carried out to unit data of the invention, it is preferable that also including expanding
Exhibition module, the expansion module is connected with calculating treatment and storage assembly.
A kind of the device of continuous data protection is carried out to unit data of the invention, it is preferable that the extension
Module includes external power supply module and/or correspondence with foreign country module and/or storage expansion interface.
A kind of method that use said apparatus carry out continuous data protection to unit data, its step is, by device
High-speed communication interface inserts data host, and device identification data main frame home agent has been installed and configured, if home agent is not pacified
Dress is configured, it is necessary to carry out related setting in advance.Device for reading data master agent is configured, and reading to preset needs data to be protected
Disk characteristic signature and Preservation tactics, the disk that identification has been protected compare surface sweeping and go out block pointer table and difference block number by Hash table
According to asynchronous replication variance data block simultaneously updates block Hash table and data block index table, judgment means data and data host data
It is whether consistent, perform synchronous according to judged result or terminate operating.
A kind of the method for continuous data protection is carried out to unit data of the invention, it is preferable that the basis
Judged result is performed synchronous or terminates operation, and its step includes that judgment means data are inconsistent with data host data, act on behalf of with
The data block of new write-in and correspondence disk pointer on track main frame, agency will by high-speed communication interface and communications interface control module
The variance data block for tracing into does asynchronous and synchronous, cache on device between data host and the data memory module of device
Region circulation, the data block of the new write-in of the receiving of order and correspondence position pointer, refer in the time point generation data for pre-setting
Time point protection is done in pin and data block set, and whether judgment means data are consistent with data host data again, if inconsistent, weight
Multiple above-mentioned simultaneously operating, if unanimously, stop device runs or prompting extracting apparatus.
A kind of the method for continuous data protection is carried out to unit data of the invention, it is preferable that the identification
The disk protected, if recognizing the non-disk protected, initialization data synchronization simultaneously creates the Hash pointer gauge of data block,
And whether judgment means data are consistent with data host data, it is judged that result performs synchronous or terminates operating.
After technology proposed by the present invention is taken, the device that unit data are carried out with continuous data protection of the invention
And its method, can gather/trace into system persistently writes IO, and records and extract the time point noted down；Connect when disconnection or newly
Fashionable can scanning with Fast Block level is found out variance data block and realizes that increment preserves variance data block；External equipment is passive dress
Put, can preserve offline；The unconventional network of communication interface or FC/IB etc., but Peripheral Interface such as USB, serial ports, 1394 mouthfuls etc.
（Including IEEE1394 fire-wire interfaces, Thunderbolt thunder and lightning interfaces etc.）；The data host being applicable includes people's computer, clothes
The smart machines such as business device, notebook, flat board.
The devices and methods therefor that unit data are carried out with continuous data protection of the invention, by passive device, connects
Enter to Peripheral Interfaces such as computer USB, by USB or 1394 communication interfaces and the preassembled Agent of computer-internal
（Agent）Communicate and independently read the specified data of computer-internal, and place the data in the storage medium of itself, realization
The continuous data protection of unit.
The devices and methods therefor that unit data are carried out with continuous data protection of the invention, can continue to lead to data
Cross the protection of the machine Peripheral Interface and backup to storage device, overcome existing similar USB disk or hard disc apparatus can only single list when
Between point do the problem of data backup protection, also overcome existing for enterprise-level or the continuous data protection product pair of department level
When personal user and mobile one-of-a-kind system carry out data protection, the need for existing are set up the network system of client/server framework, are needed
Additionally to power, bulky, problem with poor mobility can not be carried with.Can be to personal user, mobile one-of-a-kind system
Unit data carry out continuous data protection, without extra power supply, compact, portable, mobility is high.
Brief description of the drawings
Fig. 1 shows the schematic device that unit data are carried out with continuous data protection according to embodiments of the present invention
Fig. 2 shows the method flow diagram that unit data are carried out with continuous data protection according to embodiments of the present invention
Description of reference numerals
Calculate treatment and storage assembly 1
Calculate processing module 11
Cache 12
Data memory module 13
System firmware 14
Communications interface control module 2
Port electricity-fetching module 3
High-speed communication interface 4
Data host 5
Control assembly 6
Expansion module 7
External power supply module 71
Correspondence with foreign country module 72
Storage expansion interface 73
Specific embodiment
Of the invention each is preferred embodiment described below with reference to accompanying drawings.There is provided referring to the drawings
Description, to help the understanding to the example embodiment of the invention limited by appended claims and their equivalents.It includes side
Assistant solution various details, but they can only be counted as it is exemplary.Therefore, it would be recognized by those skilled in the art that
Implementation method described herein can be made various changes and modifications, without deviating from scope and spirit of the present invention.And, in order to
Make specification more clear succinct, will omit pair it is well known that the detailed description of function and construction.
First, reference picture 1 is described according to embodiments of the present invention a kind of to carry out continuous data protection to unit data
Device.
As shown in figure 1, a kind of device that unit data are carried out with continuous data protection, including calculate treatment and storage assembly
1st, communications interface control module 2, port electricity-fetching module 3 and high-speed communication interface 4, high-speed communication interface 4 connect with data host 5
Row data exchange and power taking are tapped into, high-speed communication interface 4 is by communications interface control module 2 and calculating treatment and storage assembly 1
Connect and carry out data exchange with treatment and storage assembly 1 is calculated, high-speed communication interface 4 also by port electricity-fetching module 3 and
Calculate treatment and storage assembly 1 is connected and conveys electric energy to calculating treatment and storage assembly 1.
As the device that unit data are carried out with continuous data protection according to embodiments of the present invention, the calculating treatment and
Storage assembly 1 includes calculating processing module 11, cache 12, data memory module 13 and system firmware 14.
Used as the device that unit data are carried out with continuous data protection according to embodiments of the present invention, the high-speed communication connects
Mouth 4 is USB interface.It is appreciated that the device that unit data are carried out with continuous data protection of the invention, the high speed is led to
Letter interface 4 can also be communication serial port or IEEE1394 interfaces or Thunderbolt thunder and lightning interfaces.
As the device that unit data are carried out with continuous data protection according to embodiments of the present invention, also including control assembly
6, the control assembly 6 with calculate treatment and storage assembly 1 is connected, the control assembly 6 including be arranged on replacement on device/
Reset/write-protect controlling switch.
As the device that unit data are carried out with continuous data protection according to embodiments of the present invention, also including expansion module
7, the expansion module 7 with calculate treatment and storage assembly 1 is connected, the expansion module 7 includes external power supply module 71 and right
Outer communication module 72 and storage expansion interface 73.
Describe according to embodiments of the present invention a kind of to carry out continuous data protection to unit data next, with reference to Fig. 2
Method.
As shown in Fig. 2 a kind of method that use said apparatus carry out continuous data protection to unit data, its step exists
In, the high-speed communication interface 4 of device is inserted into data host 5, the home agent of device identification data main frame 5 has been installed and configured,
If home agent is not installed or configured, it is necessary to carry out related setting in advance.
The proxy configurations of device for reading data main frame 5, reading to preset needs data disks characteristic signature to be protected and Preservation tactics,
The disk that identification has been protected, compares surface sweeping and goes out block pointer table and difference block data, asynchronous replication variance data block by Hash table
And block Hash table and data block index table are updated, if recognizing the non-disk protected, initialization data synchronization simultaneously creates number
According to the Hash pointer gauge of block.
Calculate the judgment means data of processing module 11 whether consistent with the data of data host 5, performed according to judged result same
Step terminates operation.
If judgment means data are inconsistent with the data of data host 5, the data block of new write-in and right on agency's tracking main frame
Answer disk pointer, the variance data block that agency will be traced into by high-speed communication interface 4 and communications interface control module 2 is in data
Asynchronous and synchronous are done between the data memory module 13 of main frame 5 and device, the circulation of the region of cache 12, the receiving of order on device
The data block and correspondence position pointer of new write-in, the time is done in the time point generation data pointer for pre-setting and data block set
Point protection, whether judgment means data are consistent with the data of data host 5 again, if inconsistent, repeat above-mentioned simultaneously operating, if one
Cause, stop device runs or prompting extracting apparatus.
According to the devices and methods therefor that unit data are carried out with continuous data protection of the embodiments of the present invention, can adopt
Collect/trace into system persistently writes IO, and records and extract the time point noted down；Can be with Fast Block when disconnecting or newly accessing
Level scanning finds out variance data block and realizes that increment preserves variance data block；External equipment is passive device, can be preserved offline；It is logical
The letter unconventional network of interface or FC/IB etc., but Peripheral Interface such as USB, serial ports, 1394 mouthfuls etc.（Including IEEE1394 live wires
Interface, Thunderbolt thunder and lightning interfaces etc.）；The data host 5 being applicable includes people's computer, server, notebook, flat board
Deng smart machine.
According to the devices and methods therefor that unit data are carried out with continuous data protection of the embodiments of the present invention, by nothing
Source device, is linked into the Peripheral Interfaces such as computer USB, preassembled with computer-internal by USB or 1394 communication interfaces
Agent（Agent）Communicate and independently read the specified data of computer-internal, and place the data in the storage of itself and be situated between
In matter, the continuous data protection of unit is realized.
The device that unit data are carried out with continuous data protection of the embodiment of the present invention can continue for data to pass through the machine
Peripheral Interface protection backups to storage device, overcomes existing similar USB disk or hard disc apparatus can only do at single list time point
The problem of data backup protection, also overcomes the existing continuous data protection product for enterprise-level or department level and individual is used
When family and mobile one-of-a-kind system carry out data protection, the need for existing are set up the network system of client/server framework, are needed additionally
Power supply, bulky, problem with poor mobility can not be carried with.Can be to personal user, the unit of mobile one-of-a-kind system
Data carry out continuous data protection, and without extra power supply, compact, portable, mobility is high.
The present invention is described in detail above, specific case used herein is to principle of the invention and embodiment party
Formula is set forth, and the explanation of above example is only intended to help and understands the method for the present invention and its core concept；Meanwhile, it is right
In those of ordinary skill in the art, according to thought of the invention, change is had in specific embodiments and applications
Part, in sum, this specification content should not be construed as limiting the invention.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be real
Apply.Certainly, above listed situation is merely illustrative, and the present invention is not limited to this.It should be appreciated by those skilled in the art root
According to other deformations or simplified of technical solution of the present invention, the present invention can be suitably applied to, and this hair should be included in
In bright scope.
Claims (10)
1. a kind of device that unit data are carried out with continuous data protection, it is characterised in that including calculating treatment and storage assembly
（1）, communications interface control module（2）, port electricity-fetching module（3）And high-speed communication interface（4）, high-speed communication interface（4）With
Data host（5）Connection carries out data exchange and power taking, high-speed communication interface（4）By communications interface control module（2）With meter
Calculate treatment and storage assembly（1）Connect and processed and storage assembly with calculating（1）Carry out data exchange, high-speed communication interface（4）
Also pass through port electricity-fetching module（3）Processed and storage assembly with calculating（1）Connect and processed and storage assembly to calculating（1）It is defeated
Power transmission energy.
2. a kind of device that unit data are carried out with continuous data protection according to claim 1, it is characterised in that described
Calculate treatment and storage assembly（1）Including calculating processing module（11）, cache（12）, data memory module（13）And system
Firmware（14）.
3. a kind of device that unit data are carried out with continuous data protection according to claim 1 and 2, it is characterised in that
The high-speed communication interface（4）It is USB interface or communication serial port or IEEE1394 interfaces or Thunderbolt thunder and lightning interfaces.
4. a kind of device that unit data are carried out with continuous data protection according to claim 3, it is characterised in that also wrap
Include control assembly（6）, the control assembly（6）Processed and storage assembly with calculating（1）Connection.
5. a kind of device that unit data are carried out with continuous data protection according to claim 4, it is characterised in that described
Control assembly（6）Including the replacement/reset/write-protect controlling switch being arranged on device.
6. a kind of device that unit data are carried out with continuous data protection according to claim 3, it is characterised in that also wrap
Include expansion module（7）, the expansion module（7）Processed and storage assembly with calculating（1）Connection.
7. a kind of device that unit data are carried out with continuous data protection according to claim 6, it is characterised in that described
Expansion module（7）Including external power supply module（71）And/or correspondence with foreign country module（72）And/or storage expansion interface（73）.
8. a kind of method that use said apparatus carry out continuous data protection to unit data, its step is, by the height of device
Fast communication interface（4）Insertion data host（5）, device identification data main frame（5）Home agent has been installed and configured, and device reads
Data host（5）Proxy configurations, reading to preset needs data disks characteristic signature to be protected and Preservation tactics, the magnetic that identification has been protected
Disk, compares surface sweeping and goes out block pointer table and difference block data by Hash table, and asynchronous replication variance data block simultaneously updates block Hash table
With data block index table, judgment means data and data host（5）Whether data are consistent, performed according to judged result synchronous or whole
Only operate.
9. a kind of method that unit data are carried out with continuous data protection according to claim 8, described to be tied according to judgement
Fruit performs synchronous or terminates operation, and its step includes, judgment means data and data host（5）Data are inconsistent, agency's tracking
The data block of new write-in and correspondence disk pointer on main frame, agency pass through high-speed communication interface（4）And communications interface control module
（2）The variance data block that will be traced into is in data host（5）With the data memory module of device（13）Between do asynchronous and synchronous, fill
Put cache（12）Region circulation, the data block of the new write-in of the receiving of order and correspondence position pointer, what is pre-set
Time point generates data pointer and time point protection is done in data block set, again judgment means data and data host（5）Data
It is whether consistent, if inconsistent, above-mentioned simultaneously operating is repeated, if unanimously, stop device runs or prompting extracting apparatus.
10. a kind of method that unit data are carried out with continuous data protection according to claim 8, the identification has been protected
Disk, if recognizing the non-disk protected, initialization data synchronization simultaneously creates the Hash pointer gauge of data block, and judge
Device data and data host（5）Whether data are consistent, it is judged that result performs synchronous or terminates operating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162648.4A CN106778305A (en) | 2016-12-15 | 2016-12-15 | A kind of device and method that unit data are carried out with continuous data protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162648.4A CN106778305A (en) | 2016-12-15 | 2016-12-15 | A kind of device and method that unit data are carried out with continuous data protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106778305A true CN106778305A (en) | 2017-05-31 |
Family
ID=58892681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611162648.4A Pending CN106778305A (en) | 2016-12-15 | 2016-12-15 | A kind of device and method that unit data are carried out with continuous data protection |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112395136A (en) * | 2021-01-20 | 2021-02-23 | 深圳市中科鼎创科技股份有限公司 | Continuous data protection system combined with snapshot technology |
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