CN111858153A - Data backup and recovery method of network storage device - Google Patents
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- CN111858153A CN111858153A CN202010496391.6A CN202010496391A CN111858153A CN 111858153 A CN111858153 A CN 111858153A CN 202010496391 A CN202010496391 A CN 202010496391A CN 111858153 A CN111858153 A CN 111858153A
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- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1464—Management of the backup or restore process for networked environments
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Abstract
A data backup and recovery method of a network storage device is based on a data transmission network comprising the network storage device, a network server and a network terminal. The method establishes an administrator user, allocates a data backup space within the network server to the administrator user, and the administrator user configures a network storage device to bind with the data backup space allocated to the administrator user in the network server. The invention realizes daily backup and restoration of the data stored in the network storage device by taking the network server as an intermediate medium, has simple operation and high backup and restoration efficiency, and ensures the data security; when the network storage device needs to be replaced, the invention can also realize the data restoration after the replacement; in addition, when the network environment of the network storage device is poor or the network is disconnected, the data storage problem under the condition can be solved through the data cache.
Description
Technical Field
The present invention relates to data processing methods, and more particularly, to a network-based data processing method.
Background
The related art network storage device includes a data storage unit and a network connection unit. The network storage device is accessed to the network through the network connection unit, and the user reads and writes the data storage unit through the network. The user can read and write the data in the network storage device no matter where the user is, as long as the user can access the network, and privatization of data management and control is realized. In order to prevent data loss, users often need to backup data in the network storage device. The backup method in the prior art is to copy and store the data in the network storage device in other storage devices, and the operations of backing up and restoring the data are complicated. In addition, the network storage device in the prior art cannot solve the following problems: firstly, under the condition that the network environment is poor or the network is disconnected temporarily due to reasons such as power failure, a user urgently needs to store data in a network storage device in the prior art, so that the data cannot be stored in the network storage device; secondly, when the data storage unit of the network storage device in the prior art is replaced due to a fault or the whole network storage device is damaged and needs to be replaced, the replaced data recovery cannot be realized.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a data backup and recovery method of a network storage device by taking a network server as an intermediate link, so as to realize daily data backup and recovery, data recovery during network storage device replacement and data caching when the network environment of the network storage device is not good.
The technical problem to be solved by the invention can be realized by adopting the following technical scheme:
a data backup and recovery method of a network storage device is provided, which is based on a data transmission network comprising at least one network storage device, at least one network server and at least one network terminal.
The network storage device comprises a data processor, and a data storage unit, a network connection unit and an encryption/decryption unit which are electrically connected with the data processor. The data transmission network can be accessed by means of a network connection unit. The backup data is encrypted by the encryption/decryption unit, and the restored data is decrypted.
The network terminal establishes data connection with the network storage device and can read/write data to the data storage unit.
The method comprises the following steps:
And (3) binding process:
when the network storage device and the network server establish data connection for the first time, establishing an administrator user, allocating a data backup space in the network server to the administrator user, and simultaneously, the administrator user allocating a network storage device to be bound with the data backup space allocated to the administrator user in the network server;
and (3) data backup process:
according to the set backup time and the storage address of the data to be backed up, or according to a backup instruction sent by an administrator user by means of a network terminal, the network storage device encrypts the data to be backed up and then sends and stores the encrypted data to a data backup space bound with the network storage device in a network server;
and (3) data recovery process:
when data restoration is needed, an administrator user sends a data restoration request to the network server, and under the condition that the administrator user verifies the data is correct, the network server sends the data in the data backup space to the network storage device bound with the data backup space, and the network storage device decrypts the received restored data and stores the decrypted data in the data storage unit.
Specifically, the binding process specifically includes:
configuring an administrator user for the network storage device when the network storage device is used for the first time;
When the network storage device and the network server establish data connection for the first time, the network storage device sends administrator user information to the network server and provides a request for allocating data backup space;
when the administrator user meets the verification requirement and the network server does not retrieve the information of the administrator user, the network server allocates a data backup space to the administrator user, simultaneously generates address information reflecting the address of the data backup space and serial numbers corresponding to the address information one by one, and sends the address information and the serial numbers to a network storage device to bind the network storage device; the network storage device accesses a data backup space distributed for an administrator user by the network server by means of the address information and the serial number information;
when the administrator user meets the authentication requirement and the network server retrieves the existing administrator user information, the network server asks the administrator user through the network terminal whether to create a new binding or to restore the existing binding,
when an administrator user feeds back a newly-established binding to a network server by virtue of a network terminal, the network server allocates a data backup space to the administrator user, and simultaneously generates address information reflecting the address of the data backup space and serial numbers corresponding to the address information one by one, and the network server sends the address information and the serial numbers to a network storage device to bind the network storage device; the network storage device accesses a data backup space distributed for an administrator user by the network server by means of the address information and the serial number information;
When an administrator user feeds back and restores the existing binding to a network server by virtue of a network terminal and selects a serial number, the serial number corresponds to address information of a data backup space allocated to the administrator user one by one, and the network server sends the address information and the serial number of the allocated data backup space to a network storage device to bind the network storage device; the network storage device accesses the data backup space allocated by the network server for the administrator user by means of the address information and the serial number information.
In order to implement data caching, the method further comprises the following data caching process:
when the network terminal can not access the network storage device appointed by the network terminal, or the data transmission rate of the network terminal accessing the network storage device does not reach the preset data transmission rate threshold value,
the network terminal takes data needing to be sent to the network storage device as cache data, encrypts the cache data and sends the encrypted cache data to the network server;
when the network server detects that the data connection with the network storage device is normal, the network server sends the cache data to the network storage device, and the network storage device decrypts the cache data and stores the decrypted cache data in the data storage unit.
Specifically, after the network server sends the cached data to the network storage device, the network server deletes the cached data.
More specifically, the binding process specifically includes:
configuring an administrator user for the network storage device when the network storage device is used for the first time;
when the network storage device and the network server establish data connection for the first time, the network storage device sends administrator user information to the network server and provides a request for allocating data backup space;
when the administrator user meets the verification requirement, the network server allocates a data backup space to the administrator user, simultaneously generates address information reflecting the address of the data backup space and serial numbers corresponding to the address information one by one, and sends the address information and the serial numbers to the network storage device to bind the network storage device;
the network storage device accesses a data backup space distributed for an administrator user by the network server by means of the address information and the serial number information;
then, the data caching process specifically includes:
when the network terminal accesses the network storage device for the first time, the network storage device sends the address information and the serial number of the data backup space bound for the network storage device to the network terminal, and simultaneously sends the key of the encryption/decryption unit to the network terminal;
When the network terminal can not access the network storage device appointed by the network terminal, or the data transmission rate of the network terminal accessing the network storage device reaches the preset data transmission rate threshold value,
the network terminal takes the data to be sent to the network storage device as cache data, and encrypts the cache data by means of the key of the network storage device;
the network terminal sends the encrypted cache data to the data backup space of the network server according to the address information and the serial number of the data backup space corresponding to the network storage device;
when the network server detects that the data connection with the network storage device is normal, the network server sends the cache data in the data backup space to the network storage device, and the network storage device decrypts the cache data and stores the decrypted cache data in the data storage unit.
Specifically, after the network server sends the cached data to the network storage device, the network server deletes the cached data.
Compared with the prior art, the data backup and recovery method of the network storage device has the technical effects that:
the network server is used as an intermediate medium to realize daily backup and restoration of data stored in the network storage device, the operation is simple, the backup and restoration efficiency is high, and the data security is ensured; when the network storage device needs to be replaced, the invention can also realize the data restoration after the replacement; in addition, when the network environment of the network storage device is poor or the network is disconnected, the data storage problem under the condition can be solved through the data cache.
Drawings
FIG. 1 is a schematic diagram of a data transmission network structure of a "data backup and restore method of a network storage device" according to the present invention;
fig. 2 is a schematic block diagram of the electrical schematic structure of the network storage device 1 of the present invention.
Detailed Description
The following embodiments are described in further detail.
The present invention provides a data backup and restore method for a network storage device, as shown in fig. 1, based on a data transmission network including at least one network storage device 1, at least one network server 2, and at least one network terminal 3. As shown in fig. 2, the network storage apparatus 1 includes a data processor 11, and a data storage unit 12, a network connection unit 13, and an encryption/decryption unit 14 electrically connected to the data processor 11. The data transmission network can be accessed by means of the network connection unit 13. The encryption/decryption unit 14 encrypts the backup data and decrypts the restored data. According to practical application requirements, the network storage device 1 further comprises a functional unit 15 electrically connected with the data processor 11, and the functional unit 14 is used for performing other functions besides network connection, data storage and data encryption/decryption, such as audio/video decoding, file management, data input/output and the like.
The network terminal 3 comprises a computer, a mobile communication terminal commonly called a mobile phone and a tablet computer.
The network terminal 3 establishes data connection with the network storage device 1 and can perform data read/write operations on the data storage unit 12.
The data backup and restore method of the network storage device 1 includes the following processes:
and (3) binding process:
when the network storage device 1 and the network server 2 establish data connection for the first time, an administrator user is set up, a data backup space is allocated to the administrator user in the network server 2, and the administrator user configures a binding of the network storage device 1 and the data backup space allocated to the administrator user in the network server 2.
And (3) data backup process:
the data backup comprises automatic backup and instruction backup. The automatic backup is to set a backup time for the network storage apparatus 1, and when the backup time is reached, the network storage apparatus 1 automatically transmits the backup contents to the data backup space of the network server 2. The instruction backup is that an administrator user sends a backup instruction to the network storage device 1 through the network terminal 3, and the network storage device 1 sends backup contents to a data backup space of the network server 2 according to the backup instruction. The backup content may be all data in the data storage unit 12 of the network storage apparatus 1, or may be data in a part of a set storage space in the data storage unit 12.
According to the set backup time and the storage address of the data to be backed up, or according to a backup instruction sent by an administrator user by means of the network terminal 3, the network storage device 1 encrypts the data to be backed up and then sends and stores the encrypted data to a data backup space bound with the network storage device 1 in the network server 2.
And (3) data recovery process:
the data restoration is generally performed according to a restoration instruction sent by an administrator user through the network terminal 3.
When data restoration is needed, an administrator user initiates a data restoration request to the network server 2 through the network terminal 3, and under the condition that the administrator user verifies the data is correct, the network server 2 sends the data in the data backup space to the network storage device 1 bound with the data backup space, and the network storage device 1 decrypts the received restored data and stores the decrypted data in the data storage unit 12.
The invention realizes the daily backup and reduction of the data stored in the network storage device 1 by taking the network server 2 as an intermediate medium, has simple operation and high backup and reduction efficiency, and carries out encryption operation on the backup data in the data backup process to ensure the data security.
When the network storage device 1 is accidentally damaged, if only the hard disk as the data storage unit 12 is damaged, for example, punctured, low-level formatted, demagnetized, etc., and other devices of the network storage device 1 can be used normally, only the hard disk as the data storage unit 12 needs to be replaced, and then the above-mentioned data restoring process is performed to restore the data accidentally damaged by the network storage device 1. If the entire network storage device 1 is damaged, and the user needs to replace the old network storage device 1 with the new network storage device 1, the first embodiment of the present invention solves the problem by refining the binding process:
The binding process of the data backup and restoration method of the network storage device specifically comprises the following steps:
configuring an administrator user for the network storage device 1 when the network storage device 1 is used for the first time;
when the network storage device 1 and the network server 2 establish data connection for the first time, the network storage device 1 sends administrator user information to the network server 2 and provides a request for allocating data backup space;
when the administrator user meets the verification requirement and the network server 2 does not retrieve the administrator user information, the network server 2 allocates a data backup space to the administrator user, simultaneously generates address information reflecting the address of the data backup space and serial numbers corresponding to the address information one by one, and the network server 2 sends the address information and the serial numbers to the network storage device 1 to bind the network storage device 1; the network storage device 1 accesses the data backup space distributed by the network server 2 for the administrator user by means of the address information and the serial number information;
when the administrator user meets the authentication requirement and the network server 2 retrieves the existing administrator user information, the network server 2 asks the administrator user through the network terminal 3 whether to create a new binding, or to restore an existing binding,
When an administrator user feeds back a newly created binding to the network server 2 by means of the network terminal 3, the network server 2 allocates a data backup space to the administrator user, and simultaneously generates address information reflecting the address of the data backup space and serial numbers corresponding to the address information one by one, and the network server 2 sends the address information and the serial numbers to the network storage device 1 to bind the network storage device 1; the network storage device 1 accesses the data backup space distributed by the network server 2 for the administrator user by means of the address information and the serial number information;
when an administrator user feeds back and restores the existing binding to the network server 2 by the network terminal 3 and selects a serial number, the serial number corresponds to the address information of a data backup space allocated to the administrator user one by one, and the network server 2 sends the address information and the serial number of the allocated data backup space to the network storage device 1 to bind the network storage device 1; the network storage device 1 accesses the data backup space allocated by the network server 2 for the administrator user by means of the address information and the serial number information.
Through the above-mentioned process of recovering the existing binding, the new network storage device 1 is bound to the data backup space of the old network storage device 1, so that the old network storage device 1 is unbound, and further, through the above-mentioned data recovery process, the data in the network storage device 1 can be recovered, so that the old network storage device 1 is replaced by the new network storage device 1. When the network storage device 1 needs to be replaced, the data backup and restoration method of the network storage device can realize the data restoration after replacement.
When the network environment is poor or the network is disconnected, in order to realize data storage, the data backup and recovery method of the network storage device further comprises the following data caching process:
when the network terminal 3 cannot access the network storage device 1 designated by the network terminal 3, i.e. the network is disconnected, or when the data transmission rate of the network terminal 3 accessing the network storage device 1 does not reach the preset data transmission rate threshold value, i.e. the network environment is poor,
the network terminal 3 takes the data to be sent to the network storage device 1 as cache data, encrypts the cache data and sends the encrypted cache data to the network server 2;
when the network server 2 detects that the data connection with the network storage device 1 is normal, the network server 2 sends the cache data to the network storage device 1, and the network storage device 1 decrypts the cache data and stores the decrypted cache data in the data storage unit 12.
For the security of the cached data, after the network server 2 sends the cached data to the network storage device 1, the network server 2 deletes the cached data.
When the network storage device 1 is in a poor network environment or is disconnected, the data storage problem under the condition can be solved through the data cache, and the data security is ensured.
The third embodiment of the present invention further optimizes the second embodiment, and the binding process of the data backup and restore method of the network storage device specifically includes:
configuring an administrator user for the network storage device 1 when the network storage device 1 is used for the first time;
when the network storage device 1 and the network server 2 establish data connection for the first time, the network storage device 1 sends administrator user information to the network server 2 and provides a request for allocating data backup space;
when the administrator user meets the verification requirement, the network server 2 allocates a data backup space to the administrator user, simultaneously generates address information reflecting the address of the data backup space and serial numbers corresponding to the address information one by one, and the network server 2 sends the address information and the serial numbers to the network storage device 1 to bind the network storage device 1; the network storage device 1 accesses the data backup space distributed by the network server 2 for the administrator user by means of the address information and the serial number information;
then, the data caching process specifically includes:
when the network terminal 3 accesses the network storage device 1 for the first time, the network storage device 1 sends the address information and the serial number of the data backup space bound for the network storage device to the network terminal 3, and simultaneously sends the key of the encryption/decryption unit of the network storage device to the network terminal 3;
When the network terminal 3 cannot access the network storage device 1 designated by the network terminal 3, or the data transmission rate of the network terminal 3 accessing the network storage device 1 reaches the preset data transmission rate threshold,
the network terminal 3 takes the data to be sent to the network storage device 1 as cache data, and encrypts the cache data by means of the secret key of the network storage device 1;
the network terminal 3 sends the encrypted cache data to the data backup space of the network server 2 according to the address information and the serial number of the data backup space corresponding to the network storage device 1;
when the network server 2 detects that the data connection with the network storage device 1 is normal, the network server 2 sends the cache data in the data backup space to the network storage device 1, and the network storage device 1 decrypts the cache data and stores the decrypted cache data in the data storage unit 12.
Similarly, for the security of the cached data, when the network server 2 finishes transmitting the cached data to the network storage device 1, the network server 2 deletes the cached data.
The above binding process can be further refined into a scheme similar to that of the first embodiment of the present invention, so that the third embodiment is optimized to be able to complete both data restoration after the network storage device 1 is replaced and data caching.
Claims (6)
1. A data backup and recovery method of a network storage device is based on a data transmission network comprising at least one network storage device, at least one network server and at least one network terminal; the method is characterized in that:
the network storage device comprises a data processor, a data storage unit, a network connection unit and an encryption/decryption unit, wherein the data storage unit, the network connection unit and the encryption/decryption unit are electrically connected with the data processor; the data transmission network can be accessed by means of the network connection unit; the encryption/decryption unit is used for encrypting the backup data and decrypting the restored data;
the network terminal establishes data connection with the network storage device and can perform data read/write operation on the data storage unit;
the method comprises the following processes of,
in the course of the binding process,
when the network storage device and the network server establish data connection for the first time, establishing an administrator user, allocating a data backup space in the network server to the administrator user, and simultaneously, the administrator user allocating a network storage device to be bound with the data backup space allocated to the administrator user in the network server;
the process of backing up the data is,
according to the set backup time and the storage address of the data to be backed up, or according to a backup instruction sent by an administrator user by means of a network terminal, the network storage device encrypts the data to be backed up and then sends and stores the encrypted data to a data backup space bound with the network storage device in a network server;
The process of data recovery is carried out,
when data restoration is needed, an administrator user sends a data restoration request to the network server, and under the condition that the administrator user verifies the data is correct, the network server sends the data in the data backup space to the network storage device bound with the data backup space, and the network storage device decrypts the received restored data and stores the decrypted data in the data storage unit.
2. The method of claim 1, wherein the method further comprises:
the binding process specifically includes the steps of,
configuring an administrator user for the network storage device when the network storage device is used for the first time;
when the network storage device and the network server establish data connection for the first time, the network storage device sends administrator user information to the network server and provides a request for allocating data backup space;
when the administrator user meets the verification requirement and the network server does not retrieve the information of the administrator user, the network server allocates a data backup space to the administrator user, simultaneously generates address information reflecting the address of the data backup space and serial numbers corresponding to the address information one by one, and sends the address information and the serial numbers to a network storage device to bind the network storage device; the network storage device accesses a data backup space distributed for an administrator user by the network server by means of the address information and the serial number information;
When the administrator user meets the authentication requirement and the network server retrieves the existing administrator user information, the network server asks the administrator user through the network terminal whether to create a new binding or to restore the existing binding,
when an administrator user feeds back a newly-established binding to a network server by virtue of a network terminal, the network server allocates a data backup space to the administrator user, and simultaneously generates address information reflecting the address of the data backup space and serial numbers corresponding to the address information one by one, and the network server sends the address information and the serial numbers to a network storage device to bind the network storage device; the network storage device accesses a data backup space distributed for an administrator user by the network server by means of the address information and the serial number information;
when an administrator user feeds back and restores the existing binding to a network server by virtue of a network terminal and selects a serial number, the serial number corresponds to address information of a data backup space allocated to the administrator user one by one, and the network server sends the address information and the serial number of the allocated data backup space to a network storage device to bind the network storage device; the network storage device accesses the data backup space allocated by the network server for the administrator user by means of the address information and the serial number information.
3. The method of claim 1, wherein the method further comprises:
the method further comprises the step of enabling the user to select the target,
the process of caching the data is carried out,
when the network terminal can not access the network storage device appointed by the network terminal, or the data transmission rate of the network terminal accessing the network storage device does not reach the preset data transmission rate threshold value,
the network terminal takes data needing to be sent to the network storage device as cache data, encrypts the cache data and sends the encrypted cache data to the network server;
when the network server detects that the data connection with the network storage device is normal, the network server sends the cache data to the network storage device, and the network storage device decrypts the cache data and stores the decrypted cache data in the data storage unit.
4. The method of claim 3, wherein the method further comprises:
and after the network server sends the cache data to the network storage device, the network server deletes the cache data.
5. The method of claim 3, wherein the method further comprises:
the binding process specifically includes the steps of,
configuring an administrator user for the network storage device when the network storage device is used for the first time;
When the network storage device and the network server establish data connection for the first time, the network storage device sends administrator user information to the network server and provides a request for allocating data backup space;
when the administrator user meets the verification requirement, the network server allocates a data backup space to the administrator user, simultaneously generates address information reflecting the address of the data backup space and serial numbers corresponding to the address information one by one, and sends the address information and the serial numbers to the network storage device to bind the network storage device;
the network storage device accesses a data backup space distributed for an administrator user by the network server by means of the address information and the serial number information;
then, the data caching process specifically includes,
when the network terminal accesses the network storage device for the first time, the network storage device sends the address information and the serial number of the data backup space bound for the network storage device to the network terminal, and simultaneously sends the key of the encryption/decryption unit to the network terminal;
when the network terminal can not access the network storage device appointed by the network terminal, or the data transmission rate of the network terminal accessing the network storage device reaches the preset data transmission rate threshold value,
The network terminal takes the data to be sent to the network storage device as cache data, and encrypts the cache data by means of the key of the network storage device;
the network terminal sends the encrypted cache data to the data backup space of the network server according to the address information and the serial number of the data backup space corresponding to the network storage device;
when the network server detects that the data connection with the network storage device is normal, the network server sends the cache data in the data backup space to the network storage device, and the network storage device decrypts the cache data and stores the decrypted cache data in the data storage unit.
6. The method of claim 5, wherein:
and after the network server sends the cache data to the network storage device, the network server deletes the cache data.
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| CN104754005A (en) * | 2013-12-30 | 2015-07-01 | 上海格尔软件股份有限公司 | Safe backup recovery system and method based on network storage resource |
| CN106648956A (en) * | 2015-10-30 | 2017-05-10 | 赵飞飞 | Data backup and system restoration method |
| CN106294027A (en) * | 2016-08-23 | 2017-01-04 | 广东欧珀移动通信有限公司 | A kind of data back up method, device, carrier server and mobile terminal |
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