CN102209082B - Terminal operation method and terminal - Google Patents
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- CN102209082B CN102209082B CN201010136619.7A CN201010136619A CN102209082B CN 102209082 B CN102209082 B CN 102209082B CN 201010136619 A CN201010136619 A CN 201010136619A CN 102209082 B CN102209082 B CN 102209082B
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Abstract
The invention provides a terminal operation method and a terminal. The terminal operation method comprises the following steps of: acquiring a basic mirror image stored by a server, wherein the basic mirror image comprises a first part and at least one second part; acquiring a bitmap corresponding to the attribute of the terminal, wherein the bitmap comprises information indicating whether each disk sector corresponding to the at least one second part can be accessed or not; generating a virtual disk corresponding to the terminal according to the basic mirror image and the bitmap, wherein the virtual disk comprises a disk sector corresponding to the first part and accessible disk sectors corresponding to the second part. By the adoption of the terminal operation method, the mirror file storage space of the server can be saved and a personalized virtual disk can be provided for the terminal.
Description
Technical field
The present invention relates to non-disk net technical field, be specifically related to a kind of operation method and terminal of terminal.
Background technology
Non-disk net is used widely at present.Terminals all in non-disk net does not install hard disk (or installed capacity very little hard disk), and is all started by the webserver, and such network is exactly non-disk net.Non-disk net can save the hardware cost of network, can also facilitate administering and maintaining of network simultaneously.
In prior art, a kind of operation method of terminal is, different user uses same image file to start, and the system that all users see and application program are all the same.Although this method server only needs preservation image file, do not realize personalized data, services for different user.
In the use procedure without dish product, because different terminal uses may have different job specification, so not identical to the demand of the application program of operating system prepackage yet.For meeting the demand of the personalized data services of user, the operational mode of a kind of terminal of prior art is: preserve the image file (comprising operating system and application-specific respectively) for different user on the server, user is after terminal logs in, download corresponding image file from server, thus realize the correspondence of different user and different mirror image.The shortcoming of the program is: server needs to preserve different image files for different user, therefore can take a large amount of memory spaces, cause the waste of the storage resources of server.
Summary of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of operation method and terminal of terminal, while saving server mirroring file storage, can provide personalized virtual disk for terminal.
For solving the problems of the technologies described above, the embodiment of the present invention provides scheme as follows:
An operation method for terminal, described terminal is connected with a server, and described operation method comprises:
Obtain the foundation image that described server is preserved, described foundation image comprises Part I and at least one Part II;
Obtain the bitmap that the attribute of described terminal is corresponding, described bitmap comprises the information whether disk sector corresponding to each at least one Part II described can access;
According to described foundation image and described bitmap, generate the virtual disk that described terminal is corresponding, described virtual disk comprises disk sector corresponding to the described Part I disk sector corresponding with the Part II that can access.
Preferably, in above-mentioned operation method, described according to described foundation image and described bitmap, generate the virtual disk that described terminal is corresponding, comprising:
According to described foundation image, start client operating system;
Tackle the first disk read command produced in the start-up course of described client operating system;
Resolve described first disk read command, obtain the first corresponding disk sector;
When described first disk sector is disk sector corresponding to described Part I, generate disk sector corresponding in described virtual disk according to described first disk sector;
When the disk sector that at least one Part II described in described first disk sector is is corresponding, according to described bitmap, judge whether described first disk sector can access: when described first disk sector can be accessed, generate disk sector corresponding in described virtual disk according to described first disk sector; When described first disk sector can not be accessed, return the instruction of the countless certificate of described first disk sector.
Preferably, in above-mentioned operation method, before the foundation image that the described server of described acquisition is preserved, also comprise:
Download start-up code from described server, according to described start-up code, start virtual machine.
Preferably, in above-mentioned operation method,
After the virtual disk that the described terminal of described generation is corresponding, also comprise:
Tackle the disk write order that described client operating system produces;
Resolve the second disk sector obtaining described foundation image corresponding to described disk write order;
Described disk write order is redirected to the 3rd disk sector of user data area, and the mapping relations recorded between described second disk sector and described 3rd disk sector, wherein said user data area is described server is described terminal distribution, memory block independent of described foundation image in advance.
Preferably, in above-mentioned operation method,
After the virtual disk that the described terminal of described generation is corresponding, also comprise:
Tackle the second disk read command that described client operating system produces;
Resolve the 4th disk sector obtaining described foundation image corresponding to described second disk read command;
Judge in described mapping relations, whether to there is the 5th disk sector corresponding to described 4th disk sector;
When there is described 5th disk sector in described mapping relations, described second disk read command is redirected to described 5th disk sector in described user data area;
When there is not described 5th disk sector in described mapping relations, from described foundation image, read the data of described 4th disk sector.
Preferably, in above-mentioned operation method, the attribute of described terminal is the IP address of described terminal or the login user of described terminal.
The embodiment of the present invention additionally provides a kind of terminal, comprising:
First acquiring unit, for obtaining the foundation image that server is preserved, described foundation image comprises Part I and at least one Part II;
Second acquisition unit, the bitmap that the attribute for obtaining described terminal is corresponding, described bitmap comprises the information whether disk sector corresponding to each at least one Part II described can access;
Disk generation unit, for according to described foundation image and described bitmap, generates the virtual disk that described terminal is corresponding, and described virtual disk comprises disk sector corresponding to the described Part I disk sector corresponding with the Part II that can access.
Preferably, in above-mentioned terminal, described disk generation unit comprises:
Start unit, for according to described foundation image, starts client operating system;
Interception unit, for tackling the first disk read command produced in the start-up course of described client operating system;
First resolution unit, obtains the first disk sector corresponding to described first disk read command for resolving;
First generation unit, during for being disk sector corresponding to described Part I at described first disk sector, generates disk sector corresponding in described virtual disk according to described first disk sector;
Second generation unit, during for being disk sector corresponding at least one Part II described at described first disk sector, according to described bitmap, judge whether described first disk sector can access: when described first disk sector can be accessed, generate disk sector corresponding in described virtual disk according to described first disk sector; When described first disk sector can not be accessed, return the instruction of the countless certificate of described first disk sector.
Preferably, in above-mentioned terminal, also comprise:
Virtual machine;
Virtual machine activation unit, for downloading start-up code from described server, according to described start-up code, starts described virtual machine.
Preferably, in above-mentioned terminal, also comprise:
Second interception unit, for after described client operating system has started, has tackled the disk write order that described client operating system produces;
Second resolution unit, for resolving the second disk sector obtaining described foundation image corresponding to described disk write order;
Write operation unit, for described disk write order being redirected to the 3rd disk sector of user data area, wherein said user data area is described server is described terminal distribution, memory block independent of described foundation image in advance;
Map unit, for recording the mapping relations between described second disk sector and described 3rd disk sector.
Preferably, in above-mentioned terminal, also comprise:
3rd interception unit, for after described client operating system has started, has tackled the second disk read command that described client operating system produces;
3rd resolution unit, for resolving the 4th disk sector obtaining described foundation image corresponding to described second disk read command;
Whether the second judging unit, exist the 5th disk sector corresponding to described 4th disk sector for judging in described mapping relations;
Third reading operating unit, during for there is described 5th disk sector in described mapping relations, is redirected to described 5th disk sector in described user data area by described second disk read command;
4th read operation unit, during for there is not described 5th disk sector in described mapping relations, directly reads the data of described 4th disk sector from described foundation image.
As can be seen from the above, the operation method of the terminal that the embodiment of the present invention provides and terminal, server only needs preservation foundation image, and this foundation image comprises Part I and at least one Part II; And, the information of the Part II that can access corresponding to terminal attribute is preserved in advance in bitmap, when generating the virtual disk of terminal, the bitmap corresponding according to terminal attribute, Part II in foundation image is filtered, only retain the disk sector that can access that this terminal attribute is corresponding, thus achieve according to different terminals attribute, the virtual disk comprising different Part II (as application program) is provided, achieve the personalized data services of terminal, different operative scenario is embodied to different user.Meanwhile, because server place only needs preservation foundation image, avoid when preserving multiple mirror image, the basic operating system mirror image that each mirror image comprises or the application program mirror image of repetition cause the waste of storage resources.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the operation method of terminal described in the embodiment of the present invention;
Fig. 2 is the structural representation of terminal described in the embodiment of the present invention.
Embodiment
Virtual machine technique combines with mirror image technology by the embodiment of the present invention, while saving server storage, can also provide personalized data services for user.Below in conjunction with accompanying drawing, by specific embodiment, the present invention is described further.
In the operation method of the terminal that the present embodiment provides, described terminal is connected with a server.As shown in Figure 1, described operation method comprises the following steps:
Step 11, obtains the foundation image that described server is preserved, and described foundation image comprises Part I and at least one Part II.
Step 12, obtains the bitmap that the attribute of described terminal is corresponding, and described bitmap comprises the information whether disk sector corresponding to each at least one Part II described can access.
Step 13, according to described foundation image and described bitmap, generates the virtual disk that described terminal is corresponding, and described virtual disk comprises disk sector corresponding to the described Part I disk sector corresponding with the Part II that can access.
As can be seen from above step, in said method, bitmap saves the information of the individuation data that terminal needs, and based on bitmap and foundation image, can generate personalized virtual disk for different terminals.Meanwhile, because server side only need preserve a foundation image, therefore memory space resource can greatly be saved.
Below said method is described in detail.
The embodiment of the present invention only need preserve image file, i.e. a foundation image at server place, and this foundation image comprises Part I and at least one Part II.Common, described Part I is disk sector corresponding to operating system, and described Part II is mounted in disk sector corresponding to application program in this operating system.When server is in set up applications, the disk sector that application file is corresponding can be obtained.
Meanwhile, server place also preserves the bitmap (bitmap) of the attribute corresponding to each terminal, includes the information whether disk sector corresponding to each at least one Part II described can access in described bitmap.Wherein, whether Part II described in each can access, and is to determine according to the attribute (login user as this terminal) of this terminal in advance.Such as, when login user needs certain application program, now disk sector corresponding for this application program is set to access in bitmap; Otherwise, be then arranged to access.Like this, the information that the present embodiment utilizes bitmap to save terminal to need which application program, achieves the providing of individuation data for terminal.
The representation that bitmap can adopt binary number to map.Such as, a disk sector of Part II in each bit (bit) the corresponding foundation image in bitmap.When this bit value is 0, represent that the disk sector that this bit is corresponding is that this terminal can not be accessed, when this bit value is 1, then represent it is that this terminal can be accessed.Due to when set up applications, operating system can obtain the corresponding relation of application file and disk sector, and the disk sector corresponding to application program that therefore can need according to operating system and terminal, generates the bitmap of this terminal.
Here, the attribute of described terminal can be the IP address of terminal, now, the bitmap that this terminal is corresponding is determined according to the IP address of terminal, namely log in the different user of same terminal or use the different client operating systems of same terminal, because have identical IP address, have identical bitmap, the final virtual disk generated is all identical; The attribute of described terminal can also be the login user of terminal, as login username and password, now, logs in the different user of same terminal, and when each self-corresponding bitmap is different, the final virtual disk generated is different.
Before above-mentioned steps 11, the operation method of terminal described in the present embodiment, also comprises:
Step 10, after terminal electrifying startup, carries out initial work, comprises and go out to download start-up code from server by network, according to described start-up code, guides virtual machine (VM, Virtual Machine) to start.
In above-mentioned steps 11 ~ 12, after virtual machine activation completes, obtain the bitmap that the foundation image of described server preservation is corresponding with the attribute of this terminal, the attribute of described terminal is specially the IP address of described terminal or the login user of described terminal.Such as, when described attribute is the IP address of terminal, virtual machine is to the IP address of server transmitting terminal, and server receives this IP address, determines then the bitmap of correspondence to be sent to this virtual machine by the bitmap that this IP address is corresponding.Again such as, when described attribute is the login user of terminal, virtual machine receives the identity information (as username and password) of login user input and sends to server, server receives this identity information and carries out authentication, after being verified, determine according to identity information the bitmap that this login user is corresponding, and then the bitmap of correspondence is sent to this virtual machine.
In above-mentioned steps 13, described according to described foundation image and described bitmap, generate the virtual disk that described terminal is corresponding, specifically comprise:
Step 131, after virtual machine activation completes, according to described foundation image, starts client operating system.
Here, after virtual machine activation completes, virtual machine, according to described foundation image, guides client operating system to start, specifically comprises: set up the connection with described foundation image; Described foundation image is mapped to a local drive; Client operating system is started from this drive.
Step 132, tackles the first disk read command produced in the start-up course of described client operating system;
Here, in the start-up course of client operating system, by the virtual machine manager (VMM, Virtual Machine Monitor) of virtual machine, interception comprises the magnetic disc i/o operational order of disk read command.
Step 133, resolves described first disk read command, obtains the first corresponding disk sector;
Step 134, when described first disk sector is disk sector corresponding to described Part I, generates disk sector corresponding in described virtual disk according to described first disk sector; When the disk sector that at least one Part II described in described first disk sector is is corresponding, according to described bitmap, judge whether described first disk sector can access: when described first disk sector can be accessed, generate disk sector corresponding in described virtual disk according to described first disk sector; When described first disk sector can not be accessed, return the instruction of the countless certificate of described first disk sector.
In above-mentioned steps 134, after obtaining the first disk sector corresponding to described first disk read command, judge the part belonging to the first disk sector is in described foundation image: if the first disk sector is the disk sector of described Part I, then the direct disk sector generating correspondence in described virtual disk according to described first disk sector; If the first disk sector is the disk sector of described Part II, then need to judge whether the first disk sector can access according to described bitmap further, just disk sector corresponding in described virtual disk is generated according to described first disk sector when accessing, return the instruction of the countless certificate of described first disk sector when not accessing, in virtual disk, now generate corresponding data is empty disk sector.
Such as, when the first disk sector can be accessed, the value of one piece of internal memory all can be set to 1 (complete 1 represents without any data) by virtual machine manager, then indicates what preserve in this internal memory of client operating system to be the data of the first disk sector; After client operating system reads complete 1 data of this internal memory, will think without any data in the first disk sector, and so generating data is empty corresponding disk sector, then continue down to perform start-up course.
Through above step, client operating system is after startup completes, and after carrying out full scan to the application program of installing, can obtain the application program required for this terminal, the unwanted application program of this terminal then can not be arranged in this client operating system.
As can be seen from the above, the present embodiment is in the start-up course of client operating system, according to the bitmap pre-set, sector in foundation image is filtered, for different terminals provides the client operating system comprising different Part II (application program), thus achieve the personalized data services of terminal, different operative scenario is embodied to different user.Meanwhile, because server place only needs preservation foundation image, avoid when preserving multiple mirror image, the basic operating system mirror image that each mirror image comprises or the application program mirror image of repetition cause the waste of storage resources.
In the present embodiment, described foundation image is all read-only to all users, considers the issuable data writing operation of user, the operation method of terminal described in the present embodiment, start at described client operating system, after generating virtual disk corresponding to described terminal, also comprised the following steps:
Step 14, virtual machine manager tackles the disk write order that described client operating system produces.
Step 15, virtual machine manager resolves described disk write order, obtains the second disk sector of described foundation image corresponding to described disk write order.
Step 16, described disk write order is redirected to the 3rd disk sector of user data area, write operation is carried out at the 3rd disk sector, and the mapping relations recorded between described second disk sector and described 3rd disk sector, wherein said user data area is described server is described terminal distribution, memory block independent of described foundation image in advance.
Like this, the user data area that the write operation of client operating system will be written to independent of foundation image, ensure that foundation image can not be changed because of the write operation of client operating system.
After client operating system has started, if client operating system sends disk read command, the present embodiment also needs to judge further whether disk sector corresponding to disk read command carried out write operation, and then determine to remove read data from where, that is, the operation method of terminal described in the present embodiment, has started at described client operating system, after generating virtual disk corresponding to described terminal, also comprise the following steps:
Step 17, tackles the second disk read command that described client operating system produces.
Step 18, resolves the 4th disk sector obtaining described foundation image corresponding to described second disk read command.
Step 19, judges whether there is the 5th disk sector corresponding to described 4th disk sector in described mapping relations.
Step 20, when there is described 5th disk sector in described mapping relations, is redirected to described 5th disk sector in described user data area by described second disk read command.
Step 21, when there is not described 5th disk sector in described mapping relations, reads the data of described 4th disk sector from described foundation image.
By above step, make client operating system can obtain the up-to-date sector data generated foundation image write operation.
Based on the operation method of above-mentioned terminal, the embodiment of the present invention additionally provides a kind of terminal.Please refer to Fig. 2, the terminal that the present embodiment provides, comprising:
First acquiring unit, for obtaining the foundation image that server is preserved, described foundation image comprises Part I and at least one Part II;
Second acquisition unit, the bitmap that the attribute for obtaining described terminal is corresponding, described bitmap comprises the information whether disk sector corresponding to each at least one Part II described can access;
Disk generation unit, for according to described foundation image and described bitmap, generates the virtual disk that described terminal is corresponding, and described virtual disk comprises disk sector corresponding to the described Part I disk sector corresponding with the Part II that can access.
Concrete, described disk generation unit comprises:
Start unit, for according to described foundation image, starts client operating system;
Interception unit, for tackling the first disk read command produced in the start-up course of described client operating system;
First resolution unit, obtains the first disk sector corresponding to described first disk read command for resolving;
First generation unit, during for being disk sector corresponding to described Part I at described first disk sector, generates disk sector corresponding in described virtual disk according to described first disk sector;
Second generation unit, during for being disk sector corresponding at least one Part II described at described first disk sector, according to described bitmap, judge whether described first disk sector can access: when described first disk sector can be accessed, generate disk sector corresponding in described virtual disk according to described first disk sector; When described first disk sector can not be accessed, return the instruction of the countless certificate of described first disk sector.
Preferably, above-mentioned terminal also comprises:
Virtual machine;
Virtual machine activation unit, for downloading start-up code from described server, according to described start-up code, starts described virtual machine.
Preferably, above-mentioned terminal also comprises:
Second interception unit, for after described client operating system has started, has tackled the disk write order that described client operating system produces;
Second resolution unit, for resolving the second disk sector obtaining described foundation image corresponding to described disk write order;
Write operation unit, for described disk write order being redirected to the 3rd disk sector of user data area, wherein said user data area is described server is described terminal distribution, memory block independent of described foundation image in advance;
Map unit, for recording the mapping relations between described second disk sector and described 3rd disk sector.
Preferably, above-mentioned terminal also comprises:
3rd interception unit, for after described client operating system has started, has tackled the second disk read command that described client operating system produces;
3rd resolution unit, for resolving the 4th disk sector obtaining described foundation image corresponding to described second disk read command;
Whether the second judging unit, exist the 5th disk sector corresponding to described 4th disk sector for judging in described mapping relations;
Third reading operating unit, during for there is described 5th disk sector in described mapping relations, is redirected to described 5th disk sector in described user data area by described second disk read command;
4th read operation unit, during for there is not described 5th disk sector in described mapping relations, directly reads the data of described 4th disk sector from described foundation image.
In sum, the operation method of the terminal that the embodiment of the present invention provides and terminal, can save the storage resources of server, simultaneously for user provides personalized data, services.
The above is only embodiments of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. an operation method for terminal, described terminal is connected with a server, it is characterized in that, described operation method comprises:
Obtain the foundation image that described server is preserved, described foundation image comprises Part I and at least one Part II;
Obtain the bitmap that the attribute of described terminal is corresponding, described bitmap comprises the information whether disk sector corresponding to each at least one Part II described can access;
According to described foundation image and described bitmap, generate the virtual disk that described terminal is corresponding, described virtual disk comprises disk sector corresponding to the described Part I disk sector corresponding with the Part II that can access.
2. operation method as claimed in claim 1, is characterized in that, described according to described foundation image and described bitmap, generates the virtual disk that described terminal is corresponding, comprising:
According to described foundation image, start client operating system;
Tackle the first disk read command produced in the start-up course of described client operating system;
Resolve described first disk read command, obtain the first corresponding disk sector;
When described first disk sector is disk sector corresponding to described Part I, generate disk sector corresponding in described virtual disk according to described first disk sector;
When the disk sector that at least one Part II described in described first disk sector is is corresponding, according to described bitmap, judge whether described first disk sector can access: when described first disk sector can be accessed, generate disk sector corresponding in described virtual disk according to described first disk sector; When described first disk sector can not be accessed, return the instruction of the countless certificate of described first disk sector.
3. operation method as claimed in claim 1 or 2, is characterized in that, before the foundation image that the described server of described acquisition is preserved, also comprises:
Download start-up code from described server, according to described start-up code, start virtual machine.
4. operation method as claimed in claim 2, is characterized in that,
After the virtual disk that the described terminal of described generation is corresponding, also comprise:
Tackle the disk write order that described client operating system produces;
Resolve the second disk sector obtaining described foundation image corresponding to described disk write order;
Described disk write order is redirected to the 3rd disk sector of user data area, and the mapping relations recorded between described second disk sector and described 3rd disk sector, wherein said user data area is described server is described terminal distribution, memory block independent of described foundation image in advance.
5. operation method as claimed in claim 4, is characterized in that,
After the virtual disk that the described terminal of described generation is corresponding, also comprise:
Tackle the second disk read command that described client operating system produces;
Resolve the 4th disk sector obtaining described foundation image corresponding to described second disk read command;
Judge in described mapping relations, whether to there is the 5th disk sector corresponding to described 4th disk sector;
When there is described 5th disk sector in described mapping relations, described second disk read command is redirected to described 5th disk sector in described user data area;
When there is not described 5th disk sector in described mapping relations, from described foundation image, read the data of described 4th disk sector.
6. operation method as claimed in claim 1, it is characterized in that, the attribute of described terminal is the IP address of described terminal or the login user of described terminal.
7. a terminal, is characterized in that, comprising:
First acquiring unit, for obtaining the foundation image that server is preserved, described foundation image comprises Part I and at least one Part II;
Second acquisition unit, the bitmap that the attribute for obtaining described terminal is corresponding, described bitmap comprises the information whether disk sector corresponding to each at least one Part II described can access;
Disk generation unit, for according to described foundation image and described bitmap, generates the virtual disk that described terminal is corresponding, and described virtual disk comprises disk sector corresponding to the described Part I disk sector corresponding with the Part II that can access.
8. terminal as claimed in claim 7, it is characterized in that, described disk generation unit comprises:
Start unit, for according to described foundation image, starts client operating system;
Interception unit, for tackling the first disk read command produced in the start-up course of described client operating system;
First resolution unit, obtains the first disk sector corresponding to described first disk read command for resolving;
First generation unit, during for being disk sector corresponding to described Part I at described first disk sector, generates disk sector corresponding in described virtual disk according to described first disk sector;
Second generation unit, during for being disk sector corresponding at least one Part II described at described first disk sector, according to described bitmap, judge whether described first disk sector can access: when described first disk sector can be accessed, generate disk sector corresponding in described virtual disk according to described first disk sector; When described first disk sector can not be accessed, return the instruction of the countless certificate of described first disk sector.
9. terminal as claimed in claim 7, is characterized in that, also comprise:
Virtual machine;
Virtual machine activation unit, for downloading start-up code from described server, according to described start-up code, starts described virtual machine.
10. terminal as claimed in claim 7, is characterized in that, also comprise:
Second interception unit, for after client operating system has started, has tackled the disk write order that described client operating system produces;
Second resolution unit, for resolving the second disk sector obtaining described foundation image corresponding to described disk write order;
Write operation unit, for described disk write order being redirected to the 3rd disk sector of user data area, wherein said user data area is described server is described terminal distribution, memory block independent of described foundation image in advance;
Map unit, for recording the mapping relations between described second disk sector and described 3rd disk sector.
11. terminals as claimed in claim 10, is characterized in that, also comprise:
3rd interception unit, for after described client operating system has started, has tackled the second disk read command that described client operating system produces;
3rd resolution unit, for resolving the 4th disk sector obtaining described foundation image corresponding to described second disk read command;
Whether the second judging unit, exist the 5th disk sector corresponding to described 4th disk sector for judging in described mapping relations;
Third reading operating unit, during for there is described 5th disk sector in described mapping relations, is redirected to described 5th disk sector in described user data area by described second disk read command;
4th read operation unit, during for there is not described 5th disk sector in described mapping relations, directly reads the data of described 4th disk sector from described foundation image.
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