WO2015176249A1 - Transmission method for wireless ethernet interface hard disk, related device, and system - Google Patents

Abstract

A transmission method for a wireless Ethernet interface hard disk, a related device and a system, so as to reduce air interface consumption of the wireless Ethernet interface hard disk. In some feasible implementation manners of the present invention, the method is used for a system comprising the wireless Ethernet interface hard disk and a pre-fingerprint database host device, and the wireless Ethernet interface hard disk communicates with the pre-fingerprint database host device in a wireless manner. The method comprises: the pre-fingerprint database host device slices received data to obtain a data slice, and calculates a fingerprint for the data slice, the fingerprint being used for representing the data slice; the pre-fingerprint database host device determines whether a fingerprint the same as the calculated fingerprint is recorded in a fingerprint database, the fingerprint database being used for recording a fingerprint of a data slice in the wireless Ethernet interface hard disk; and if the fingerprint the same as the calculated fingerprint exists in the fingerprint database, the pre-fingerprint database host device sends the calculated fingerprint to the wireless Ethernet interface hard disk.

Description

 Wireless Ethernet interface hard disk transmission method and related equipment and system

 The present invention relates to the field of communications and computer and storage technologies, and in particular, to a wireless Ethernet interface hard disk transmission method and related devices and systems.

Background technique

 The rise of cloud storage has accelerated the application of interfaces based on key-value methods. The Ethernet interface hard disk (ie Ethernet interface hard disk) based on Key-Value semantics has appeared in the industry. The Ethernet interface hard disk discards the traditional Small Computer System Interface (SCSI) protocol standard and uses the Ethernet interface for external communication.

 In addition to the enterprise data center (Date Center, DC) cloud storage, the Ethernet interface hard disk can also be used in the consumer field, for example, as a mobile hard disk (using the Institute of Electrical and Electronics Engineers (IEEE) 802.11bg ten Office, wireless PVR (Personal Video Recorder, personal video recorder), etc.

 At present, the Ethernet interface hard disk can support the wireless transmission protocol. The wireless Ethernet interface hard disk uses the air interface (ie, the air interface) for wireless data transmission, and is powered by the mobile power source to reduce the dependence on the power line for the mobile scene.

 However, the existing wireless Ethernet interface hard disk is based on air interface for wireless data transmission, and the air interface energy consumption is very large, and the power of the mobile power source is limited, and the energy saving requirement of the wireless Ethernet interface hard disk must be considered. Summary of the invention

 The embodiment of the invention provides a wireless Ethernet interface hard disk transmission method and related equipment and system, so as to reduce the air interface energy consumption of the wireless Ethernet interface hard disk.

A first aspect of the present invention provides a wireless Ethernet interface hard disk transmission method for a system including a wireless Ethernet interface hard disk and a front fingerprint library host device, and the wireless Ethernet interface hard disk and the pre-print fingerprint library host device are used. The method includes: the pre-fingerprint library host device performs a slice process on the received data to obtain a data fragment, and calculates a fingerprint for the data fragment, where the fingerprint is used to represent the data segment. a pre-fingerprint library host device determines whether a fingerprint corresponding to the calculated fingerprint is recorded in the fingerprint database, and the fingerprint database is used to record the wireless Ethernet connection a fingerprint of the data slice in the hard disk; if the fingerprint database has the same fingerprint as the calculated fingerprint, the pre-print fingerprint library host device sends the calculated fingerprint to the wireless ether Interface hard disk.

 In a first possible implementation, the method further includes: the pre-fingerprint library host device calculates a check code for the data segment corresponding to the calculated fingerprint; If the fingerprint is the same as the calculated fingerprint, the pre-print fingerprint library host device sends the calculated fingerprint to the wireless Ethernet interface hard disk, including: if the fingerprint database has the calculated The fingerprint of the same fingerprint, the pre-fingerprint library host device will use the calculated fingerprint and the first aspect or the first possible implementation of the first aspect, in a second possible implementation manner The method further includes: if the fingerprint database does not have the same fingerprint as the calculated fingerprint, the pre-print fingerprint library host device uses the calculated fingerprint and the calculated fingerprint corresponding data. The slice is sent to the wireless Ethernet interface hard disk.

 In conjunction with the second possible implementation of the first aspect, in a third possible implementation, the method further includes: if the fingerprint database does not have the same fingerprint as the calculated fingerprint, the front The fingerprint library host device records the calculated fingerprint in the fingerprint database.

 In conjunction with the second or third possible implementation of the first aspect, in a fourth possible implementation, the pre-fingerprint library host device corresponds the calculated fingerprint and the calculated fingerprint The data fragment is sent to the wireless Ethernet interface hard disk, and the pre-print fingerprint library host device compresses the data fragment corresponding to the calculated fingerprint and sends the data fragment to the wireless Ethernet interface hard disk.

In conjunction with the second or third possible implementation of the first aspect, in a fifth possible implementation, the pre-fingerprint library host device corresponds the calculated fingerprint and the calculated fingerprint Sending the data fragment to the wireless Ethernet interface hard disk includes: the pre-fingerprint library host device segments the calculated fingerprint, the calculated fingerprint corresponding data, and the calculated second invention The invention provides a wireless Ethernet interface hard disk transmission method for a system including a wireless Ethernet interface hard disk and a front fingerprint library host device, and the wireless Ethernet interface hard disk and the front device The fingerprint library host device communicates in a wireless manner; the method includes: the wireless Ethernet interface hard disk receives data sent by the pre-print fingerprint library host device, and the received data carries a fingerprint, and the fingerprint is used to represent Data fragmentation; the wireless Ethernet interface hard disk acquires data fragments corresponding to the fingerprint from the fingerprint data storage module according to the fingerprint.

 In a first possible implementation manner, the method further includes: determining, by the wireless Ethernet interface hard disk, whether the received data carries a data fragment corresponding to the fingerprint, if the received data is not And carrying the data fragment corresponding to the fingerprint, and performing the step of acquiring, by the wireless Ethernet interface hard disk, the data fragment corresponding to the fingerprint from the fingerprint data storage module.

 With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner, the received data further carries a verification code of the data fragment corresponding to the fingerprint; Obtaining, according to the fingerprint, the data fragment corresponding to the received fingerprint from the fingerprint data storage module, the interface hard disk comprises: the wireless Ethernet interface hard disk acquiring the fingerprint from the fingerprint data storage module according to the fingerprint a verification code of the corresponding data fragment; the wireless Ethernet interface hard disk determines whether the received verification code is consistent with the verification code obtained from the fingerprint data storage module; if the verification codes are inconsistent, The wireless Ethernet interface hard disk returns a data acquisition indication message to the pre-print fingerprint library host device, where the data acquisition indication message is used to instruct the pre-print fingerprint library host device to send the data fragment corresponding to the fingerprint to the The wireless Ethernet interface hard disk.

 With the first possible implementation of the second aspect, in a third possible implementation, the method further includes: if the received data carries a data fragment corresponding to the fingerprint, The wireless Ethernet interface hard disk saves the data fragment corresponding to the fingerprint to the fingerprint data storage module by using the fingerprint as an index.

 With reference to the third possible implementation manner of the second aspect, in a fourth possible implementation, the received data further includes a verification code of the data fragment corresponding to the fingerprint; and the wireless Ethernet interface The hard disk saves the data fragment corresponding to the fingerprint to the fingerprint data storage module by using the fingerprint as an index. The wireless Ethernet interface hard disk divides the data fragment corresponding to the fingerprint and the data corresponding to the fingerprint. The check code of the slice is saved to the fingerprint data storage module by using the fingerprint as an index.

In combination with the third or fourth possible implementation of the second aspect, in a fifth possible implementation In the formula, the wireless Ethernet interface hard disk saves the data fragment corresponding to the fingerprint through the fingerprint as a cable to the fingerprint data storage module, and the wireless Ethernet interface hard disk compares the data corresponding to the fingerprint. The slice is decompressed and saved to the fingerprint data storage module.

 With reference to the second aspect, or any one of the first to fifth possible implementation manners of the second aspect, in a sixth possible implementation, the method further includes: establishing the fingerprint data storage module The fingerprint data storage module is configured to save a data fragment set of the wireless Ethernet interface hard disk, and the data fragment set uses an fingerprint as an index to store different data fragments.

 The third aspect of the present invention provides a pre-fingerprint library host device, wherein the pre-fingerprint library host device and the wireless Ethernet interface hard disk communicate wirelessly; the pre-fingerprint library host device includes: a slicing module, configured to The received data is subjected to a slicing process to obtain a data slice; a fingerprint module is configured to calculate a fingerprint for the data slice, the fingerprint is used to represent the data slice; and a determination module is configured to determine a pre-fingerprint library host Whether the same fingerprint as the calculated fingerprint is recorded in the fingerprint database of the device, the fingerprint database is used to record the fingerprint of the data segment in the wireless Ethernet interface hard disk; and the sending module is configured to use the fingerprint database And having the same fingerprint as the calculated fingerprint, and sending the calculated fingerprint to the wireless Ethernet interface hard disk.

 In a first possible implementation manner, the pre-fingerprint library host device further includes: a verification module, configured to calculate a check code for the data fragment corresponding to the calculated fingerprint; Specifically, if the fingerprint database has the same fingerprint as the calculated fingerprint, the calculated fingerprint and the verification code of the data segment corresponding to the calculated fingerprint are sent to the wireless Ethernet interface hard disk.

 With the third aspect or the first possible implementation manner of the third aspect, in a second possible implementation manner, the sending module is further configured to: if the fingerprint database is not the same as the calculated fingerprint And the data fingerprint corresponding to the calculated fingerprint and the calculated fingerprint is sent to the wireless Ethernet interface hard disk.

 In conjunction with the second possible implementation of the third aspect, in a third possible implementation, the pre-fingerprint library host device further includes: a recording module, configured to: if the fingerprint database does not have the calculation The obtained fingerprint with the same fingerprint is recorded in the fingerprint database.

In combination with the second or third possible implementation of the third aspect, in a fourth possible implementation The pre-fingerprint library host device further includes: a compression module, configured to compress the data fragment corresponding to the calculated fingerprint; and the sending module is specifically configured to compress the compression module The data fragment is sent to the wireless Ethernet interface hard disk.

 With reference to the second or third possible implementation manner of the third aspect, in a fifth possible implementation, the sending module is specifically configured to correspond to the calculated fingerprint and the calculated fingerprint The data fragment and the verification code of the data fragment corresponding to the calculated fingerprint are sent to the wireless Ethernet interface hard disk.

 The fourth aspect of the present invention provides a wireless Ethernet interface hard disk, wherein the wireless Ethernet interface hard disk communicates with the front fingerprint library host device in a wireless manner; the wireless Ethernet interface hard disk includes: a receiving module, configured to receive the front end The data sent by the fingerprint library host device, the received data carries a fingerprint, and the fingerprint is used to represent the data fragmentation; the obtaining module is configured to obtain, according to the fingerprint, the fingerprint corresponding to the fingerprint data storage module The data storage module is configured to save a data fragment set of the wireless Ethernet interface hard disk, and the data fragment set uses an fingerprint as an index to store different data fragments.

 In a first possible implementation, the wireless Ethernet interface hard disk further includes: a determining module, configured to determine whether the received data carries a data fragment corresponding to the fingerprint, if the received data If the data fragment corresponding to the fingerprint is not carried, the acquiring module is configured to obtain a data fragment corresponding to the fingerprint from the fingerprint data storage module.

 With reference to the first possible implementation manner of the fourth aspect, in a second possible implementation manner, the received data further includes a verification code of the data fragment corresponding to the fingerprint; the obtaining module includes: An obtaining unit, configured to acquire, according to the fingerprint, a verification code of a data fragment corresponding to the fingerprint from a fingerprint data storage module; a determining unit, configured to determine the received verification code and the And the sending unit is configured to: if the check code is inconsistent, return a data acquisition indication message to the pre-print fingerprint library host device, where the data acquisition indication message is used to indicate The pre-print fingerprint library host device sends the data fragment corresponding to the fingerprint to the wireless Ethernet interface hard disk.

With reference to the first possible implementation manner of the fourth aspect, in a third possible implementation, the fingerprint data storage module is further configured to: if the received data carries the number corresponding to the fingerprint According to the fragmentation, the data fragment corresponding to the fingerprint is saved to the fingerprint data storage module by using the fingerprint as an index.

 With reference to the third possible implementation manner of the fourth aspect, in a fourth possible implementation, the fingerprint data storage module is specifically configured to: if the received data further carries data corresponding to the fingerprint And the check code of the fragment, the data slice corresponding to the fingerprint and the check code of the data slice corresponding to the fingerprint are saved to the fingerprint data storage module by using the fingerprint as an index.

 With reference to the third or fourth possible implementation manner of the fourth aspect, in a fifth possible implementation, the wireless Ethernet interface hard disk further includes: a decompression module, configured to divide data corresponding to the fingerprint And the fingerprint data storage module is configured to save the data fragment that is compressed by the decompression module to the fingerprint data storage module by using the fingerprint as an index.

 A fifth aspect of the present invention provides a storage system, comprising: a pre-fingerprint library host device according to any of the possible implementation manners of the third aspect or the third aspect of the present invention, and the fourth or fourth aspect of the present invention Any of the possible implementations provided by the wireless Ethernet interface hard drive.

 A sixth aspect of the present invention provides a pre-fingerprint library host device, where the pre-fingerprint library host device includes a processor, a memory, a bus, and a communication interface; the pre-fingerprint library host device is configured to store a computer execution instruction, The processor is coupled to the memory via the bus, and when the pre-print fingerprint library host device is running, the processor executes the computer-executed instructions stored by the memory to cause the pre-fingerprint library host The apparatus performs a wireless Ethernet interface hard disk transmission method as provided in the first aspect of the invention or any of the possible implementations of the first aspect.

 A seventh aspect of the present invention provides a wireless Ethernet interface hard disk, the wireless Ethernet interface hard disk includes a processor, a memory, a bus, and a communication interface; the wireless Ethernet interface hard disk is configured to store a computer execution instruction, the processor and the The memory is connected by the bus, and when the wireless Ethernet interface hard disk is running, the processor executes the computer-executed instructions stored by the memory to cause the wireless Ethernet interface hard disk to perform the second aspect or the A wireless Ethernet interface hard disk transmission method provided in any of the possible implementations of the second aspect.

 An eighth aspect of the present invention provides a computer readable medium, comprising: computer executed instructions for a processor of a computer to execute the computer execution instructions, the computer performing the wireless apparatus of any one of claims 1-6 Ethernet interface hard disk transmission method.

A ninth aspect of the present invention provides a computer readable medium, comprising computer execution instructions for The computer executes the wireless Ethernet interface hard disk transmission method according to any one of claims 7-13 when the processor of the computer executes the computer execution instruction.

 It can be seen that, in the embodiment of the present invention, the pre-fingerprint library host device is set on the wireless transmission path of the wireless Ethernet interface hard disk, the received data is sliced, and the fingerprint is obtained for the data segment obtained by the slice processing, and The calculated fingerprint is compared with the fingerprint recorded in the fingerprint database. If there is the same, the technical solution of sending the fingerprint to the wireless Ethernet interface hard disk has the following technical effects: By calculating the fingerprint of the data fragment, for the repeated data points The chip can only send fingerprints instead of sending data fragments to the wireless Ethernet interface hard disk, that is, using fingerprint transmission instead of data fragment transmission, which can effectively reduce the amount of downlink data transmission, thereby greatly reducing the air interface energy consumption of the wireless Ethernet interface hard disk. , as a whole, improve the use time of the wireless Ethernet interface hard disk when using battery power.

DRAWINGS

 In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments and the prior art description will be briefly described below. Obviously, the drawings in the following description are only some implementations of the present invention. For example, other drawings may be obtained from those skilled in the art without any inventive effort.

 1 is a schematic diagram of a system including a wireless Ethernet interface hard disk and a front fingerprint library host device in the present invention;

 2 is a schematic diagram of a wireless Ethernet interface hard disk transmission method according to an embodiment of the present invention; FIG. 3 is a schematic diagram of another wireless Ethernet interface hard disk transmission method according to an embodiment of the present invention; A schematic diagram of a pre-fingerprint library host device;

 Figure 4b is a schematic diagram of another pre-fingerprint library host device according to an embodiment of the present invention; Figure 5a is a schematic diagram of a wireless Ethernet interface hard disk according to an embodiment of the present invention;

 FIG. 5 is a schematic diagram of another wireless Ethernet interface hard disk according to an embodiment of the present invention; FIG. 6 is a schematic structural diagram of an apparatus for wireless Ethernet interface hard disk transmission according to an embodiment of the present invention.

detailed description

The embodiment of the invention provides a wireless Ethernet interface hard disk transmission method and related equipment and system, so as to reduce the air interface energy consumption of the wireless Ethernet interface hard disk. The technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is an embodiment of the invention, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without departing from the inventive scope should fall within the scope of the present invention.

 The detailed description will be respectively made below through specific embodiments. Embodiment 1 An embodiment of the present invention provides a wireless Ethernet interface hard disk transmission method.

 The design method of the method of the embodiment of the present invention is to preprocess the received data to reduce the downlink data transmission amount of the hard disk of the wireless Ethernet interface, thereby reducing the air interface energy consumption of the wireless Ethernet interface hard disk. Generally, the wireless Ethernet interface hard disk is mainly applied to application scenarios such as data downloading. Therefore, the embodiment of the present invention is mainly for optimizing downlink data transmission sent to the wireless Ethernet interface hard disk.

 Referring to FIG. 1, the method of the embodiment of the present invention is applied to a system including a wireless Ethernet interface hard disk 110 and a pre-fingerprint library host device 120, and the wireless Ethernet interface hard disk 110 and the pre-fingerprint library host device 120 are wirelessly communicated. The pre-print fingerprint library host device 120 is located on the wireless transmission link of the wireless Ethernet interface hard disk 110. In the embodiment of the present invention, the pre-processing and optimization of the received data is performed by the pre-fingerprint library host device. The pre-fingerprint library host device may be a dedicated device, or may be physically combined with a device on a wireless transmission path such as a WiFi gateway (GW).

 Referring to FIG. 2, a wireless Ethernet interface hard disk transmission method provided by an embodiment of the present invention may include:

210. The pre-fingerprint library host device performs a slice processing on the received data to obtain a data fragment, and calculates a fingerprint for the data fragment, where the fingerprint is used to represent the data fragment.

 In the embodiment of the present invention, the data to be sent to the wireless Ethernet interface hard disk first arrives at the pre-fingerprint library host device, and the device performs pre-processing. Specifically, the method may include: performing slice processing on the received data, and calculating a fingerprint for each data slice obtained by the slice processing.

Wherein, the slicing process refers to cutting data into several parts, wherein each part is a data piece. In the embodiment of the present invention, the received data may be sliced by using various conventional slicing methods, for example, a fixed length slicing method, or a variable length slicing method. The fingerprint is used to represent the data slice. In this embodiment, the fingerprint generally refers to a hash fingerprint, that is, a hash value is calculated by using a hash function, and the calculated hash value is the fingerprint of the data fragment. A hash function can transform an input of arbitrary length into a fixed-length output through a hashing algorithm. The output is a hash value (or a hash value). Therefore, the fingerprint can be understood as a special identifier related to the content of the data slice. The fingerprint can be used to determine whether the two data fragments are the same. If the fingerprints of the two data fragments are the same, in general, the two data points are The film is the same. Therefore, fingerprints can be used to represent or identify data fragments.

 In one embodiment, the data in the data stream window may be sliced by using a Rabin fingerprint print method corresponding to the variable length slice, including: starting to slide at the end of the last slice Rabin calculates, until the calculated Rabin value meets a certain rule, for example, the last few bits are equal to a certain feature value. At this time, the slice is used as a data fragment, and MD5 is used (Message-Digest Algorithm 5, message digest algorithm The Hash function, such as the fifth edition or SHA-1 (Secure Hash Algorithm-1), calculates its hash value as the fingerprint of the data fragment. In order to avoid the eigenvalues that cannot be obtained when the Rabin calculation is performed, the upper or lower limit of the sliding window can be set, and the slice matching the size is used as the data segment for calculating the fingerprint.

 In another implementation manner, the fixed length slice can be used to calculate the fingerprint mode, and the data in the data stream window is sliced; for example: 4 KB is used as the slice size, and the received data is sliced according to 4 KB, and each calculation is performed in turn. The hash value of the data fragments is taken as its fingerprint.

 220. The pre-fingerprint library host device confirms whether the same fingerprint as the calculated fingerprint is recorded in the fingerprint database, and the fingerprint database is used to record the fingerprint of the data slice in the wireless Ethernet interface hard disk.

 The front fingerprint library host device may include a fingerprint database for storing fingerprints of data fragments in the wireless Ethernet interface hard disk, so that the fingerprint database may be used to determine whether the fingerprint is already stored in the wireless Ethernet interface hard disk. Corresponding data fragmentation.

 In the embodiment of the present invention, for each fingerprint of the calculated data segment, before the storage, a determining step may be included to determine whether the fingerprint file of the pre-print fingerprint library host device records the same fingerprint as the calculated fingerprint. fingerprint.

230. If the fingerprint database has the same fingerprint as the calculated fingerprint, the front end The fingerprint library host device sends the calculated fingerprint to the wireless Ethernet interface hard disk.

 In this embodiment, the pre-fingerprint library host device performs subsequent processing in different manners according to the judgment result of step 220. among them,

 If the fingerprint database of the pre-print fingerprint library host device does not have the same fingerprint as the calculated fingerprint, it is considered that, for the wireless Ethernet interface hard disk, the data segment corresponding to the calculated fingerprint is new data, and thus, The pre-fingerprint library host device may record the calculated fingerprint in the fingerprint database, and the pre-print fingerprint library host device may send the calculated fingerprint and the data segment corresponding to the fingerprint to the wireless Ethernet interface hard disk. The wireless Ethernet interface hard disk performs corresponding processing according to the content of the service request, for example, storing or reporting to the application processing and the like. Taking storage as an example, the received data fragment can be stored in the fingerprint data storage module of the wireless Ethernet interface hard disk through its fingerprint as an index, and the corresponding relationship between the data fragment and its fingerprint is displayed in the fingerprint data storage module.

 If the fingerprint of the pre-print fingerprint library host device has the same fingerprint as the calculated fingerprint, it can be considered that, for the wireless Ethernet interface hard disk, the data segment corresponding to the calculated fingerprint is the old data. That is, the data segment corresponding to the fingerprint is already stored in the wireless Ethernet interface hard disk. Therefore, the pre-fingerprint library host device may not send the data segment corresponding to the calculated fingerprint to the wireless Ethernet interface hard disk, only need to The calculated fingerprint is sent to the wireless Ethernet interface hard disk. The wireless Ethernet interface hard disk can query the data fragment corresponding to the received fingerprint from the fingerprint data storage module through the received fingerprint, and consider that the data fragment to be queried is the data fragment to be received, and then, According to the content of the business request, the corresponding processing may be performed, such as storing or reporting to the application processing, and the like. Since the length of the fingerprint is much smaller than the data fragmentation, in this case, the air interface energy consumption of the wireless Ethernet interface hard disk can be greatly reduced. The fingerprint data storage module is configured to save a data fragment set of the wireless Ethernet interface hard disk, and the data fragment set uses an fingerprint as an index to store different data fragments.

 If the possibility of fingerprint conflict is not considered, it can be considered that different data fragments have different fingerprints, and for the same fingerprint, the corresponding data fragments can be considered to be the same. However, in practical applications, there is a possibility of fingerprint collision, that is, for different data fragments, it is possible that the calculated fingerprints are the same, and in this case, the above technical solution will not be well applicable.

In order to solve the problem of the fingerprint conflict, in some embodiments of the present invention, the foregoing method may further include: In step 210, the pre-fingerprint library host device performs slice processing on the received data to obtain at least one data slice, and not only calculates a fingerprint for each of the data segments, but also calculates each of the data segments. A check code. The check code can be calculated using a conventional check code calculation method, such as a 32-bit Cyclic Redundancy Check 32 (CRC32), MD5 or SHA-1. It should be noted that there is no order relationship between the calculation of the fingerprint and the calculation of the check code, and there is no dependency.

 Then, in step 230, if the fingerprint database has the same fingerprint as the calculated fingerprint, the pre-print fingerprint library host device sends the calculated fingerprint to the wireless Ethernet interface hard disk, which may include: The calculated fingerprint and the verification code of the data segment corresponding to the calculated fingerprint are sent to the wireless Ethernet interface hard disk. That is, the verification code of the data fragment corresponding to the transmitted fingerprint is sent to the wireless Ethernet interface hard disk at the same time. Therefore, the wireless Ethernet interface hard disk can further determine according to the check code, whether the data fragment corresponding to the received fingerprint is consistent with the data fragment corresponding to the same fingerprint already stored, and according to the judgment result, the pre-fingerprint library host is required inconsistently. The device sends the data fragment corresponding to the calculated fingerprint.

 In addition, if the fingerprint database of the pre-print fingerprint library host device does not have the same fingerprint as the calculated fingerprint, the pre-print fingerprint library host device corresponds the calculated fingerprint and the calculated fingerprint. The sending of the data fragment to the wireless Ethernet interface hard disk may include: the pre-fingerprint library host device corresponding to the calculated fingerprint, the data fragment corresponding to the calculated fingerprint, and the calculated fingerprint The check code of the data slice is sent to the wireless Ethernet interface hard disk. After receiving the data, the wireless interface hard disk can process the data according to the content of the service request, such as storing or reporting to the application processing. Taking the storage as an example, the received fingerprint and the data fragment corresponding to the fingerprint may be stored in the fingerprint data storage module of the wireless Ethernet interface hard disk by using the received fingerprint as an index.

 In this embodiment, by using the combination of the fingerprint and the check code, the downlink data transmission amount can be greatly reduced, the air interface energy consumption can be effectively reduced, and the fingerprint conflict problem can be better solved.

In other embodiments of the present invention, in order to further reduce the air interface energy consumption of the wireless Ethernet interface hard disk, the transmitted data may be pre-compressed, and the data packet to be sent is compressed by the pre-fingerprint library host device and then sent to the The wireless Ethernet interface hard disk. That is, the pre-print fingerprint library host device will count The data fragment corresponding to the obtained fingerprint and the calculated fingerprint is sent to the wireless Ethernet interface hard disk, and the data segment corresponding to the calculated fingerprint is compressed and sent to the wireless Ethernet interface hard disk. After the wireless Ethernet interface hard disk receives the data, it decompresses it to obtain the required data fragmentation. Generally, the air interface energy consumption of the wireless Ethernet interface hard disk is far greater than the energy consumption of its internal data processing such as decompression. Therefore, this method can further reduce the power consumption of the wireless Ethernet interface hard disk and prolong the use time of the wireless Ethernet interface hard disk. .

 It can be seen that, in some possible implementation manners of the present invention, the pre-fingerprint library host device is set on the wireless transmission path of the wireless Ethernet interface hard disk, and the received data is sliced and processed for the slice processing. Each data segment calculates a fingerprint, compares the calculated fingerprint with the fingerprint recorded in the fingerprint database, and if there is the same, sends a fingerprint to the wireless Ethernet interface hard disk technical solution, and obtains the following technical effects:

 By calculating the fingerprint of the data fragment, for repeated data fragmentation, only the fingerprint can be sent without sending the data fragment to the wireless Ethernet interface hard disk, that is, using the fingerprint transmission instead of the data fragment transmission, which can effectively reduce the downlink data transmission amount. Therefore, the air interface energy consumption of the wireless Ethernet interface hard disk can be greatly reduced, and the use time of the wireless Ethernet interface hard disk under the condition of using the battery power is improved as a whole. In the second embodiment, the method of the embodiment of the present invention is described from the end of the pre-printing fingerprint library host device. To help understand the technical solution of the present invention, the method of the embodiment of the present invention is further described in detail from the end of the wireless Ethernet interface hard disk. .

 Referring to FIG. 3, the wireless Ethernet interface hard disk is used as the main body, and the method of the embodiment of the present invention may include:

310. The wireless Ethernet interface hard disk receives data sent by the front fingerprint library host device, where the data carries a fingerprint, and the fingerprint is used to represent data fragmentation.

 In the application scenario where the fingerprint conflict is not considered, the data sent by the pre-finger library host device received by the wireless Ethernet interface hard disk may include data fragments and fingerprints, and may only include fingerprints. The fingerprint may include some identification symbols to indicate that it is a fingerprint, rather than a data fragment.

In the application scenario in which the fingerprint conflict is considered, the pre-fingerprint library host device simultaneously calculates the check code of each data slice, and then sends the pre-print fingerprint library host device received by the wireless Ethernet interface hard disk. Data, which may include data fragments and their fingerprints and checksums, or just fingerprints and checksums.

320. The wireless Ethernet interface hard disk acquires the data fragment corresponding to the fingerprint from the fingerprint data storage module according to the fingerprint.

 After receiving the data sent by the pre-printing fingerprint host device, the wireless Ethernet interface hard disk determines whether the data received by the fingerprint carries the data fragment corresponding to the fingerprint.

 If the received data carries the data fragment corresponding to the fingerprint, it is considered that, for the wireless Ethernet interface hard disk, the received data fragment is new data, and thus, the wireless Ethernet interface hard disk can receive data from the received data. Obtaining the data fragment corresponding to the fingerprint, and performing corresponding processing according to the content of the service request, for example, storing or reporting to the application processing, and the like. Taking the storage as an example, the data fragment corresponding to the received fingerprint may be saved as an index to the fingerprint data storage module of the wireless Ethernet interface hard disk, and the data fragment and the fingerprint thereof are displayed in the fingerprint data storage module. Correspondence. The fingerprint data storage module may be configured by the wireless Ethernet interface hard disk, and configured to save a data fragment set of the wireless Ethernet interface hard disk, where the data fragment set uses an fingerprint as an index to store different data. Fragmentation. In other words, the method of the embodiment of the present invention further includes the step of establishing the fingerprint data storage module.

 If the received data does not carry the data fragment corresponding to the fingerprint, it can be considered that, for the wireless Ethernet interface hard disk, the current data fragment is the already stored data, and thus, the wireless Ethernet interface hard disk can execute the above. Step 320, that is, according to the received fingerprint, the data fragment corresponding to the fingerprint is obtained from the fingerprint data storage module of the fingerprint, and then the corresponding processing may be performed according to the content of the service request, for example, storage or Reported to the application for processing and more. Since the length of the fingerprint is much smaller than the data fragmentation, in this case, the air interface energy consumption of the wireless Ethernet interface hard disk can be greatly reduced.

 In some embodiments of the present invention, in consideration of an application scenario in which a fingerprint conflict occurs, the pre-fingerprint library host device simultaneously calculates a check code of each data slice, and the data received by the wireless Ethernet interface hard disk may also carry data fragments. Check code, Bell ' J :

If the received data further carries a check code of the data slice corresponding to the fingerprint, the wireless Ethernet interface hard disk saves the data slice corresponding to the fingerprint as an index to the fingerprint by using the fingerprint as an index. The data storage module may include: the wireless Ethernet interface hard disk saves the data fragment corresponding to the fingerprint and the verification code of the data fragment corresponding to the fingerprint by using the fingerprint as an index. Go to the fingerprint data storage module.

 If the received data includes a fingerprint and a check code of the data slice corresponding to the fingerprint, the wireless Ethernet interface hard disk acquires the fingerprint corresponding to the fingerprint from the fingerprint data storage module according to the fingerprint. Data fragmentation can include:

 And obtaining, by the wireless Ethernet interface hard disk, a verification code of the data fragment corresponding to the fingerprint from the fingerprint data storage module according to the fingerprint; further determining the received verification code and the slave fingerprint data storage module If the check codes of the data fragments corresponding to the fingerprints are consistent, if the check codes are inconsistent, return a data acquisition indication message to the pre-print fingerprint library host device, where the data acquisition indication message is used. Instructing the pre-print fingerprint library host device to send the data fragment corresponding to the fingerprint to the wireless Ethernet interface hard disk, and then the wireless Ethernet interface hard disk can receive the data fragment sent by the pre-print fingerprint library host device And storing the fingerprint data storage module by using the fingerprint as an index; if the verification code is consistent, the confirmation message may be returned to the pre-print fingerprint library host device.

 In this embodiment, by using the combination of the fingerprint and the check code, the downlink data transmission amount can be greatly reduced, the air interface energy consumption can be effectively reduced, and the fingerprint conflict problem can be better solved.

 In other embodiments of the present invention, in order to further reduce the air interface power consumption of the wireless Ethernet interface hard disk, the front fingerprint library host device may compress the data fragments to be sent and send the data to the wireless Ethernet interface hard disk. Then, after receiving the data, the wireless Ethernet interface hard disk may be decompressed to obtain the required data fragmentation, and then perform subsequent processing, for example, including: deciphering the data corresponding to the fingerprint. After compression, save to the fingerprint data storage module or perform other processing. Generally, the air interface energy consumption of the wireless Ethernet interface hard disk is far greater than the energy consumption of its internal data processing such as decompression. Therefore, this method can further reduce the power consumption of the wireless Ethernet interface hard disk and prolong the use time of the wireless Ethernet interface hard disk. .

 It can be seen that, in some possible implementation manners of the present invention, the pre-fingerprint library host device is set on the wireless transmission path of the wireless Ethernet interface hard disk, and the received data is sliced and processed for the slice processing. Each data segment calculates a fingerprint, compares the calculated fingerprint with the fingerprint recorded in the fingerprint database, and if there is the same, sends a fingerprint to the wireless Ethernet interface hard disk technical solution, and obtains the following technical effects:

By calculating the fingerprint of the data slice, for repeated data fragments, you can only send fingerprints instead of Sending data fragments to the wireless Ethernet interface hard disk, that is, using fingerprint transmission instead of data fragment transmission, can effectively reduce the amount of downlink data transmission, thereby greatly reducing the air interface energy consumption of the wireless Ethernet interface hard disk, and improving the wireless Ethernet interface hard disk as a whole. The time of use when using battery power. Embodiment 3 In order to better implement the above solution of the embodiment of the present invention, a related device for implementing the above solution is also provided below.

 Referring to FIG. 4a, an embodiment of the present invention provides a pre-fingerprint library host device. The pre-print fingerprint library host device can communicate wirelessly with the wireless Ethernet interface hard disk. The pre-fingerprint library host device and the wireless Ethernet interface hard disk form a system, and all data to be sent to the wireless Ethernet interface hard disk is first sent to the pre-fingerprint library host device for pre-processing, and then sent by the pre-fingerprint library host device. Wireless Ethernet interface hard drive.

 The pre-print fingerprint library host device may include:

 The sharding module 410 is configured to perform shard processing on the received data to obtain a data fragmentation. The fingerprint module 420 is configured to calculate a fingerprint for the data fragment, where the fingerprint is used to represent the data fragment.

 The determining module 430 is configured to determine whether a fingerprint corresponding to the calculated fingerprint is recorded in a fingerprint database of the pre-print fingerprint library host device, where the fingerprint database is used to record data fragments in the wireless Ethernet interface hard disk. Fingerprint

 The sending module 440 is configured to: if the determining module determines that the fingerprint in the fingerprint database has the same fingerprint as the calculated fingerprint, send the calculated fingerprint to the wireless Ethernet interface hard disk.

 As shown in FIG. 4b, in some embodiments of the present invention, the pre-fingerprint library host device may further include: a verification module 460, configured to calculate a check code for the data segment corresponding to the calculated fingerprint; The sending module 440 is specifically configured to: if the fingerprint in the fingerprint database has the same fingerprint as the calculated fingerprint, verify the data segment corresponding to the calculated fingerprint and the calculated fingerprint The code is sent to the wireless Ethernet interface hard disk.

In some embodiments of the present invention, the sending module 440 is further configured to: if the determining module determines that the fingerprint in the fingerprint database is not the same fingerprint as the calculated fingerprint, calculate the obtained fingerprint and calculate The data fragment corresponding to the fingerprint is sent to the wireless Ethernet interface hard disk.

 As shown in FIG. 4b, in some embodiments of the present invention, the pre-fingerprint library host device may further include: a recording module 450, configured to: if the determining module determines that the fingerprint database is not the same as the calculated fingerprint The fingerprint is recorded in the fingerprint database.

 As shown in FIG. 4b, in some embodiments of the present invention, the pre-fingerprint library host device may further include: a compression module 470, configured to compress data fragments corresponding to the calculated fingerprints; 440. Specifically, the data fragment that is compressed by the compression module is sent to the wireless Ethernet interface hard disk.

 In some embodiments of the present invention, the sending module 440 is specifically configured to verify, by using the calculated fingerprint, the data fragment corresponding to the calculated fingerprint, and the data fragment corresponding to the calculated fingerprint. The code is sent to the wireless Ethernet interface hard disk.

 It can be seen that, in some possible implementation manners of the present invention, the pre-fingerprint library host device is set on the wireless transmission path of the wireless Ethernet interface hard disk, and the received data is sliced and processed for the slice processing. Each data segment calculates a fingerprint, compares the calculated fingerprint with the fingerprint recorded in the fingerprint database, and if there is the same, sends a fingerprint to the wireless Ethernet interface hard disk technical solution, and obtains the following technical effects:

 By calculating the fingerprint of the data fragment, for repeated data fragmentation, only the fingerprint can be sent without sending the data fragment to the wireless Ethernet interface hard disk, that is, using the fingerprint transmission instead of the data fragment transmission, which can effectively reduce the downlink data transmission amount. Therefore, the air interface energy consumption of the wireless Ethernet interface hard disk can be greatly reduced, and the use time of the wireless Ethernet interface hard disk under the condition of using the battery power is improved as a whole. Embodiment 4 Referring to FIG. 5a, an embodiment of the present invention provides a wireless Ethernet interface hard disk. The wireless Ethernet interface hard disk can communicate wirelessly with the front fingerprint library host device. The pre-fingerprint library host device and the wireless Ethernet interface hard disk form a system, and all data to be sent to the wireless Ethernet interface hard disk is first sent to the pre-fingerprint library host device for pre-processing, and then sent by the pre-fingerprint library host device. Wireless Ethernet interface hard drive. The wireless Ethernet interface hard disk may include:

The receiving module 510 is configured to receive data sent by the pre-print fingerprint library host device, where the receiving The received data carries a fingerprint, and the fingerprint is used to represent data fragments;

 The obtaining module 520 is configured to obtain, according to the fingerprint, the data fragment corresponding to the fingerprint from the fingerprint data storage module 530;

 The fingerprint data storage module 530 is configured to save a data fragment set of the wireless Ethernet interface hard disk, where the data fragment set uses an fingerprint as an index to store different data fragments.

 As shown in FIG. 5b, in some embodiments of the present invention, the wireless Ethernet interface hard disk further includes: a determining module 540, configured to determine whether the received data carries a data fragment corresponding to the fingerprint, if the receiving The data fragment does not carry the data fragment corresponding to the fingerprint, and the obtaining module 520 is configured to acquire the data fragment corresponding to the fingerprint from the fingerprint data storage module according to the fingerprint.

 In some embodiments of the present invention, the received data further carries a verification code of the data fragment corresponding to the fingerprint; the obtaining module 530 may include:

 And an obtaining unit, configured to acquire, according to the fingerprint, a verification code of the data fragment corresponding to the fingerprint from the fingerprint data storage module;

 a determining unit, configured to determine whether the received check code is consistent with the verification code obtained from the fingerprint data storage module;

 a sending unit, configured to: if the check code is inconsistent, return a data acquisition indication message to the pre-print fingerprint library host device, where the data acquisition indication message is used to indicate that the pre-print fingerprint library host device corresponds to the fingerprint The data fragment is sent to the wireless Ethernet interface hard disk.

 In some embodiments of the present invention, the fingerprint data storage module 530 is further configured to: if the received data carries a data fragment corresponding to the fingerprint, pass the data fragment corresponding to the fingerprint through the The fingerprint is saved as an index to the fingerprint data storage module.

 In some embodiments of the present invention, the fingerprint data storage module 530 may be specifically configured to: if the received data further carries a check code of a data slice corresponding to the fingerprint, corresponding to the fingerprint The data slice and the check code of the data slice corresponding to the fingerprint are saved to the fingerprint data storage module by using the fingerprint as an index.

As shown in FIG. 5b, in some embodiments of the present invention, the wireless Ethernet interface hard disk may further include: a decompression module 550, configured to decompress the data fragment corresponding to the fingerprint; The fingerprint data storage module 530 is specifically configured to save the data fragment compressed by the decompression module to the fingerprint data storage module by using the fingerprint as an index.

 In the embodiment of the present invention, the wireless Ethernet interface hard disk has a built-in processor and a wireless transmission interface (ie, an air interface) compared to the conventional passive hard disk; not only can handle SCSI defined read and write and status monitoring. Such operations; can also use its own processor, do not need a host to run independently, and provide a lot of extended service capabilities; and can use their own air interface for wireless data transmission.

 It can be seen that, in some possible implementation manners of the present invention, the pre-fingerprint library host device is set on the wireless transmission path of the wireless Ethernet interface hard disk, and the received data is sliced and processed for the slice processing. Each data segment calculates a fingerprint, compares the calculated fingerprint with the fingerprint recorded in the fingerprint database, and if there is the same, sends a fingerprint to the wireless Ethernet interface hard disk technical solution, and obtains the following technical effects:

 By calculating the fingerprint of the data fragment, for repeated data fragmentation, only the fingerprint can be sent without sending the data fragment to the wireless Ethernet interface hard disk, that is, using the fingerprint transmission instead of the data fragment transmission, which can effectively reduce the downlink data transmission amount. Therefore, the air interface energy consumption of the wireless Ethernet interface hard disk can be greatly reduced, and the use time of the wireless Ethernet interface hard disk under the condition of using the battery power is improved as a whole. The embodiment of the present invention further provides a storage system. As shown in FIG. 1 , the system includes a wireless Ethernet interface hard disk 110 and a front fingerprint library host device 120. The front fingerprint library host device 120 is as shown in FIG. 4a. Or the front fingerprint library host device provided by the embodiment of FIG. 5b, the wireless Ethernet interface hard disk 110 is a wireless Ethernet interface hard disk provided by the embodiment of FIG. 5a or 5b. specific,

 As shown in FIG. 4a, the pre-print fingerprint library host device 120 can include:

 The sharding module 410 is configured to perform shard processing on the received data to obtain a data fragmentation. The fingerprint module 420 is configured to calculate a fingerprint for the data fragment, where the fingerprint is used to represent the data fragment.

 The determining module 430 is configured to determine whether a fingerprint corresponding to the calculated fingerprint is recorded in a fingerprint database of the pre-print fingerprint library host device, where the fingerprint database is used to record data fragments in the wireless Ethernet interface hard disk. Fingerprint

The sending module 440 is configured to: if the determining module determines that the fingerprint is in the fingerprint database The fingerprints of the same interface are sent to the wireless Ethernet interface hard disk; as shown in FIG. 5a, the wireless Ethernet interface hard disk 110 may include:

 The receiving module 510 is configured to receive data sent by the pre-print fingerprint library host device, where the received data carries a fingerprint, where the fingerprint is used to represent data fragmentation;

 The obtaining module 520 is configured to obtain, according to the fingerprint, the data fragment corresponding to the fingerprint from the fingerprint data storage module 530;

 The fingerprint data storage module 530 is configured to save a data fragment set of the wireless Ethernet interface hard disk, where the data fragment set uses an fingerprint as an index to store different data fragments.

 In the above, the embodiment of the present invention discloses a storage system, in which the data to be sent to the wireless Ethernet interface hard disk first arrives at the pre-fingerprint library host device, and the pre-fingerprint library host device performs slice processing, which is obtained for the slice processing. Each data fragment is used to calculate the fingerprint; by performing fingerprint comparison, for repeated data fragmentation, instead of transmitting the data fragment, only the fingerprint is sent to the wireless Ethernet interface hard disk, that is, the fingerprint transmission is used instead of the data fragment transmission. It can effectively reduce the amount of downlink data transmission, which can greatly reduce the air interface energy consumption of the wireless Ethernet interface hard disk, and improve the usage time of the wireless Ethernet interface hard disk under the condition of using the battery as a whole. FIG. 6 is a device for transmitting a wireless interface of a wireless Ethernet interface according to an embodiment of the present invention, where the device may include:

 A processor 601, a memory 602, a system bus 604 (referred to as a bus), and a communication interface 605. The processor 601, the memory 602, and the communication interface 605 are connected by the system bus 604 and complete communication with each other.

 Processor 601 may be a single core or multi-core central processing unit, or a particular integrated circuit, or one or more integrated circuits configured to implement embodiments of the present invention.

 The memory 602 may be a high speed RAM memory or a non-volatile memory such as at least one disk memory.

 Memory 602 is used to store computer execution instructions 603. Specifically, the program code may be included in the computer execution instruction 603.

When the device is running, the processor 601 runs a computer execution instruction 603, which may execute the embodiment. The method flow of the wireless Ethernet interface hard disk transmission method according to the second embodiment or the second embodiment. When the method flow of the wireless Ethernet interface hard disk transmission method of the first embodiment is performed, the device may be a pre-fingerprint library host device. When the method flow of the wireless Ethernet interface hard disk transmission method in the second embodiment is performed, the device may be a wireless Ethernet interface hard disk. The embodiment of the present invention provides a computer readable medium, including a computer executing instruction, when the processor of the computer executes the computer to execute an instruction, the method for executing the method of the wireless Ethernet interface hard disk transmission method of the first embodiment. The embodiment of the present invention further provides a computer readable medium, including a computer executing instructions, when the processor of the computer executes the computer to execute an instruction, where the computer executes the method of the wireless Ethernet interface hard disk transmission method of the second embodiment. . In the above embodiments, the descriptions of the various embodiments are different, and the parts that are not described in detail in a certain embodiment can be referred to the related descriptions of other embodiments. It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should understand that the present invention is not limited by the described action sequence, because In accordance with the present invention, certain steps may be performed in other sequences or concurrently. In addition, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

 A person skilled in the art may understand that all or part of the various steps of the foregoing embodiments may be completed by a program instructing related hardware. The program may be stored in a computer readable storage medium, and the storage medium may include: ROM, RAM, disk or CD, etc.

 The foregoing description of the wireless Ethernet interface hard disk transmission method and related equipment provided by the embodiments of the present invention are provided for the purpose of facilitating understanding of the method and core idea of the present invention. Meanwhile, for those skilled in the art, The present invention is not limited by the scope of the present invention.

Claims

Rights request  A wireless Ethernet interface hard disk transmission method, characterized in that it is used in a system including a wireless Ethernet interface hard disk and a front fingerprint library host device, and the wireless Ethernet interface hard disk and the front fingerprint library host device are used Wireless communication; the method includes:  The pre-fingerprint library host device performs a slice processing on the received data to obtain a data fragment, and calculates a fingerprint for the data fragment, where the fingerprint is used to represent the data fragment;  The pre-fingerprint library host device determines whether a fingerprint corresponding to the calculated fingerprint is recorded in the fingerprint database, and the fingerprint database is used to record a fingerprint of the data slice in the wireless Ethernet interface hard disk;  If the fingerprint database has the same fingerprint as the calculated fingerprint, the pre-print fingerprint library host device sends the calculated fingerprint to the wireless Ethernet interface hard disk.  2. The method according to claim 1, further comprising:  The pre-fingerprint library host device calculates a verification code for the data fragment corresponding to the calculated fingerprint;  If the fingerprint database has the same fingerprint as the calculated fingerprint, the pre-print fingerprint library host device sends the calculated fingerprint to the wireless Ethernet interface hard disk. The fingerprint database has the same fingerprint as the calculated fingerprint, and the pre-print fingerprint library host device sends the calculated fingerprint and the verification code of the data segment corresponding to the calculated fingerprint to the The wireless Ethernet interface hard disk.  The method according to claim 1 or 2, further comprising:  If the fingerprint database does not have the same fingerprint as the calculated fingerprint, the pre-print fingerprint library host device sends the calculated fingerprint and the data segment corresponding to the calculated fingerprint to the wireless Ethernet interface hard disk.  4. The method according to claim 3, further comprising:  If the fingerprint database does not have the same fingerprint as the calculated fingerprint, the pre-print fingerprint library host device records the calculated fingerprint in the fingerprint database. The method according to claim 3 or 4, wherein the pre-fingerprint library host device sends the calculated fingerprint and the data segment corresponding to the calculated fingerprint to the Wireless Ethernet interface hard drives include:  The pre-fingerprint library host device compresses the data fragment corresponding to the calculated fingerprint and sends the data fragment to the wireless Ethernet interface hard disk.  The method according to claim 3 or 4, wherein the pre-fingerprint library host device sends the calculated fingerprint and the data segment corresponding to the calculated fingerprint to the wireless ethernet. Interface hard disks include:  The pre-fingerprint library host device sends the calculated fingerprint, the data fragment corresponding to the calculated fingerprint, and the verification code of the data fragment corresponding to the calculated fingerprint to the wireless Ethernet interface. hard disk.  A wireless Ethernet interface hard disk transmission method, characterized in that it is used in a system including a wireless Ethernet interface hard disk and a front fingerprint library host device, and the wireless Ethernet interface hard disk and the pre-print fingerprint library host device are used Wireless communication; the method includes:  The wireless Ethernet interface hard disk receives data sent by the pre-print fingerprint library host device, and the received data carries a fingerprint, where the fingerprint is used to represent data fragments;  The wireless Ethernet interface hard disk acquires data fragments corresponding to the fingerprint from the fingerprint data storage module according to the fingerprint.  The method according to claim 7, wherein the method further comprises: determining, by the wireless Ethernet interface hard disk, whether the received data carries a data fragment corresponding to the fingerprint, if the receiving And the step of acquiring the data fragment corresponding to the fingerprint from the fingerprint data storage module by executing the wireless Ethernet interface hard disk.  The method according to claim 8, wherein the received data further carries a verification code of the data fragment corresponding to the fingerprint;  According to the fingerprint, the wireless Ethernet interface hard disk obtains the data fragment corresponding to the received fingerprint from the fingerprint data storage module, including:  Acquiring, by the wireless Ethernet interface hard disk, a verification code of the data segment corresponding to the fingerprint from the fingerprint data storage module according to the fingerprint; Determining, by the wireless Ethernet interface hard disk, the received check code and the stored from the fingerprint data Whether the verification codes obtained by the pipe module are consistent;  If the check code is inconsistent, the wireless Ethernet interface hard disk returns a data acquisition indication message to the pre-print fingerprint library host device, where the data acquisition indication message is used to indicate that the pre-print fingerprint library host device corresponds the fingerprint The data fragment is sent to the wireless Ethernet interface hard disk.  The method according to claim 8, wherein the method further comprises: if the received data carries a data fragment corresponding to the fingerprint, the wireless Ethernet interface hard disk will use the fingerprint Corresponding data fragments are saved to the fingerprint data storage module by using the fingerprint as an index.  The method according to claim 10, wherein the received data further carries a verification code of the data fragment corresponding to the fingerprint; and the wireless Ethernet interface hard disk compares the data corresponding to the fingerprint The saving of the fragment to the fingerprint data storage module by using the fingerprint as an index includes: the wireless Ethernet interface hard disk passing the data fragment corresponding to the fingerprint and the verification code of the data fragment corresponding to the fingerprint through the The fingerprint is saved as an index to the fingerprint data storage module.  The method according to claim 10 or 11, wherein the wireless Ethernet interface hard disk saves the data fragment corresponding to the fingerprint through the fingerprint as an index to the fingerprint data storage module.  The wireless Ethernet interface hard disk decompresses the data slice corresponding to the fingerprint and saves the data to the fingerprint data storage module.  The method according to any one of claims 7 to 12, further comprising: establishing the fingerprint data storage module, wherein the fingerprint data storage module is configured to save the wireless Ethernet interface hard disk A set of data fragments, the data fragment set holding different data fragments by using an fingerprint as an index.  A pre-fingerprint library host device, wherein the pre-fingerprint library host device and the wireless Ethernet interface hard disk communicate wirelessly; the pre-fingerprint library host device includes:  a slice module, configured to perform a slice process on the received data to obtain a data slice; a fingerprint module, configured to calculate a fingerprint for the data slice, where the fingerprint is used to represent the data slice; a determining module, configured to determine whether the fingerprint database of the pre-print fingerprint library host device is recorded and Calculating a fingerprint with the same fingerprint, the fingerprint database is used to record a fingerprint of the data segment in the wireless Ethernet interface hard disk;  And a sending module, configured to send the calculated fingerprint to the wireless Ethernet interface hard disk if the fingerprint database has the same fingerprint as the calculated fingerprint.  The pre-fingerprint library host device according to claim 14, further comprising: a verification module, configured to calculate a check code for the data segment corresponding to the calculated fingerprint; The module is specifically configured to: if the fingerprint database has the same fingerprint as the calculated fingerprint, send the calculated fingerprint and the verification code of the data segment corresponding to the calculated fingerprint to the The wireless Ethernet interface hard disk.  The pre-fingerprint library host device according to claim 14 or 15, wherein: the sending module is further configured to: if the fingerprint database does not have the same fingerprint as the calculated fingerprint, The calculated fingerprint and the data segment corresponding to the calculated fingerprint are sent to the wireless Ethernet interface hard disk.  The pre-fingerprint library host device according to claim 16, further comprising: a recording module, configured to: if the fingerprint database does not have the same fingerprint as the calculated fingerprint, the calculation The obtained fingerprint is recorded in the fingerprint library.  The pre-fingerprint library host device according to claim 16 or 17, further comprising:  And a compression module, configured to compress the data fragment corresponding to the calculated fingerprint; the sending module is specifically configured to send the compressed data fragment of the compression module to the wireless Ethernet interface hard disk.  The pre-fingerprint library host device according to claim 16 or 17, wherein the sending module is specifically configured to slice the calculated fingerprint, the calculated fingerprint, and The check code of the data slice corresponding to the calculated fingerprint is sent to the wireless Ethernet interface hard disk.  A wireless Ethernet interface hard disk, wherein the wireless Ethernet interface hard disk communicates with the pre-print fingerprint library host device in a wireless manner; the wireless Ethernet interface hard disk includes: a receiving module, configured to receive data sent by the pre-fingerprint library host device, where the received The data carries a fingerprint, and the fingerprint is used to represent data fragments;  An acquiring module, configured to acquire, according to the fingerprint, a data fragment corresponding to the fingerprint from a fingerprint data storage module;  The data storage module is configured to save a data fragment set of the wireless Ethernet interface hard disk, and the data fragment set uses an fingerprint as an index to store different data fragments.  The wireless Ethernet interface hard disk according to claim 20, further comprising: a determining module, configured to determine whether the received data carries a data fragment corresponding to the fingerprint, if the receiving The data does not carry the data fragment corresponding to the fingerprint, and the acquiring module is configured to obtain the data fragment corresponding to the fingerprint from the fingerprint data storage module.  The wireless Ethernet interface hard disk according to claim 21, wherein the received data further carries a verification code of the data fragment corresponding to the fingerprint; the obtaining module includes:  And an obtaining unit, configured to acquire, according to the fingerprint, a verification code of the data fragment corresponding to the fingerprint from the fingerprint data storage module;  a determining unit, configured to determine whether the received check code is consistent with the verification code obtained from the fingerprint data storage module;  a sending unit, configured to: if the check code is inconsistent, return a data acquisition indication message to the pre-print fingerprint library host device, where the data acquisition indication message is used to indicate that the pre-print fingerprint library host device corresponds to the fingerprint The data fragment is sent to the wireless Ethernet interface hard disk.  23. The wireless Ethernet interface hard disk of claim 21, wherein:  The fingerprint data storage module is further configured to: if the received data carries the data fragment corresponding to the fingerprint, save the data fragment corresponding to the fingerprint as the index to the fingerprint by using the fingerprint as an index Data storage module.  24. The wireless Ethernet interface hard disk of claim 23, wherein:  The fingerprint data storage module is specifically configured to: if the received data further carries a verification code of the data segment corresponding to the fingerprint, the data segment corresponding to the fingerprint and the fingerprint corresponding to the fingerprint The check code of the data slice is saved to the fingerprint data storage module by using the fingerprint as an index. The wireless Ethernet interface hard disk according to claim 23 or 24, further comprising: a decompression module, configured to decompress the data slice corresponding to the fingerprint; The fingerprint data storage module is configured to save the data fragment that is compressed by the decompression module to the fingerprint data storage module by using the fingerprint as an index.  26. A storage system, comprising:  A pre-fingerprint library host device according to any of claims 14-19, and a wireless Ethernet interface hard disk according to any of claims 20-25.  27. A pre-fingerprint library host device, wherein the pre-fingerprint library host device comprises a processor, a memory, a bus, and a communication interface;  The pre-fingerprint library host device is configured to store a computer execution instruction, the processor is connected to the memory through the bus, and when the pre-print fingerprint library host device is running, the processor executes the memory storage The computer executes instructions to cause the pre-print fingerprint library host device to perform the wireless Ethernet interface hard disk transmission method according to any one of claims 1-6.  28. A wireless Ethernet interface hard disk, wherein the wireless Ethernet interface hard disk comprises a processor, a memory, a bus, and a communication interface;  The wireless Ethernet interface hard disk is configured to store a computer execution instruction, the processor is connected to the memory through the bus, and when the wireless Ethernet interface hard disk is running, the processor executes the computer stored in the memory Executing an instruction to cause the wireless Ethernet interface hard disk to execute the wireless Ethernet interface hard disk transmission method according to any one of claims 7-13.  29. A computer readable medium, comprising: a computer executing instructions for a processor of a computer to execute the computer to execute an instruction, the computer executing the wireless device of any one of claims 1-6 Ethernet interface hard disk transmission method.  30. A computer readable medium, comprising: a computer executing instructions for a processor of a computer to execute the computer to execute an instruction, the computer executing the wireless device of any one of claims 7-13 Ethernet interface hard disk transmission method.