WO2018028321A1 - Procédé et appareil de gestion de dispositif de stockage externe virtuel, et terminal - Google Patents

Procédé et appareil de gestion de dispositif de stockage externe virtuel, et terminal Download PDF

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Publication number
WO2018028321A1
WO2018028321A1 PCT/CN2017/090396 CN2017090396W WO2018028321A1 WO 2018028321 A1 WO2018028321 A1 WO 2018028321A1 CN 2017090396 W CN2017090396 W CN 2017090396W WO 2018028321 A1 WO2018028321 A1 WO 2018028321A1
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WIPO (PCT)
Prior art keywords
storage device
external storage
virtual external
physical
information
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PCT/CN2017/090396
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English (en)
Chinese (zh)
Inventor
熊平
于峰
李虎军
周涌
曹耀斌
张朝
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中兴通讯股份有限公司
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Publication of WO2018028321A1 publication Critical patent/WO2018028321A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/45579—I/O management, e.g. providing access to device drivers or storage

Definitions

  • the present invention relates to the field of mobile communication technologies, and in particular, to a method, an apparatus, and a terminal for managing a virtual external storage device.
  • the Android M system introduces the function of SD card (Secure Digital Memory Card) formatted as built-in storage. After the user inserts the SD card, you can choose to format the SD card as a built-in storage device.
  • SD card formatted as internal storage will be used as part of the system's internal storage to expand the internal storage space of the system.
  • the Android system virtualizes the system's /data/media directory into an external type of emulated by sharing the data partition.
  • the storage device is then mounted to the external storage device mount point for access by the upper layer application through the file system in Userspace (FUSE) virtual drive (daemon) service process.
  • FUSE file system in Userspace
  • daemon virtual drive
  • the user can choose to format the SD card as a built-in storage device.
  • the system will create a new media directory on the root directory of the SD card, and then virtualize the media directory into another external storage device of the emulated type. Subsequent systems can be mounted by the FUSE daemon. Access the external storage device.
  • the default is the embedded type external storage device that is virtualized through the system /data/media directory during the boot process. If you want to save user data to SD card formatted as internal storage device after SD
  • the external storage device of the emulated type virtualized by the media directory of the Kagan directory the user needs to select the mobile operation through the transfer data menu of the SD card or the process of formatting the built-in storage on the SD card, and firstly externally the target emulated type on the SD card.
  • the content of the storage device is deleted, and then the content of the external storage device corresponding to the source of the /data/media directory is copied to the external storage device of the target emulated type, and then the content of the external storage device of the source emulated type is deleted, and finally The target emulated type external storage device is mounted to the external storage device mount point through the FUSE daemon service process.
  • the external storage device of the emulated type corresponding to the SD card is selected, if the user uninstalls the SD card, the external storage device without the emulated type is in the mounted state. If the system uses the external storage device as the primary storage device of the system, the system does not exist. The upper application cannot save user data.
  • An object of the present invention is to provide a method, an apparatus, and a terminal for managing a virtual external storage device, which are used to solve the problem that the virtual external storage device of the mobile terminal system cannot be accessed at the same time.
  • an embodiment of the present invention provides a method for managing a virtual external storage device, including:
  • the physical storage device that is allowed to access is confirmed according to the currently available virtual external storage device information, and the storage device access request is sent to the physical storage device.
  • the method further includes:
  • Corresponding formatting processing is performed on the physical storage device according to the formatting request.
  • the step of performing a basic processing operation of the file system on the virtual external storage device corresponding to the physical storage device according to the state change of the physical storage device includes:
  • the first virtual external storage device is mounted to the first preset mount point;
  • the step of updating the path information of the virtual external storage device after the completion of the basic processing operation, and obtaining the currently available virtual external storage device information includes:
  • the step of performing a basic processing operation of the file system on the virtual external storage device corresponding to the physical storage device according to the state change of the physical storage device includes:
  • the virtual external storage device corresponding to the physical external storage device is mounted to the second preset mount point;
  • the step of updating the path information of the virtual external storage device after the completion of the basic processing operation, and obtaining the currently available virtual external storage device information includes:
  • the step of performing a basic processing operation of the file system on the virtual external storage device corresponding to the physical storage device according to the state change of the physical storage device includes:
  • the step of updating the path information of the virtual external storage device after the completion of the basic processing operation, and obtaining the currently available virtual external storage device information includes:
  • the path information corresponding to the virtual external storage device is deleted, and the currently available virtual external storage device information is obtained.
  • the step of sending the storage device access request to the physical storage device includes:
  • the method further includes:
  • the embodiment of the invention further provides a management device for a virtual external storage device, comprising:
  • a first listening module configured to monitor a state change of the physical storage device
  • the processing module is configured to perform a basic processing operation of the file system on the virtual external storage device corresponding to the physical storage device according to the state change of the physical storage device;
  • An information update module configured to update path information of the virtual external storage device after completing the basic processing operation, to obtain currently available virtual external storage device information
  • the access module is configured to, when receiving the storage device access request, confirm the physical storage device that is allowed to access according to the currently available virtual external storage device information, and send the storage device access request to the physical storage device.
  • the embodiment of the invention further provides a terminal, comprising: a management device of the virtual external storage device as described in the foregoing embodiment.
  • the embodiment of the present invention further provides a storage medium, where the storage medium includes a stored program, wherein the program is executed to perform the method described in any one of the above.
  • An embodiment of the present invention further provides a processor, where the processor is configured to run a program, where the program is executed to perform the method described in any one of the above.
  • the path information after the basic processing operation is performed on the virtual external storage device corresponding to the physical storage device, so as to facilitate multiple virtual external operations on the terminal.
  • Unified management of storage devices enables users to access multiple virtual external storage devices to enhance the user experience.
  • FIG. 1 is a schematic diagram of basic steps of a method for managing a virtual external storage device according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a management apparatus of a virtual external storage device according to an embodiment of the present invention
  • FIG. 3 is a system frame diagram of a terminal of a management device including a virtual external storage device according to an embodiment of the present invention.
  • the present invention is directed to the problem that the virtual external storage device of the prior art mobile terminal system cannot be accessed at the same time, and provides a method for managing the virtual external storage device, which facilitates unified management of multiple virtual external storage devices on the terminal. This allows users to access multiple virtual external storage devices to enhance the user experience.
  • an embodiment of the present invention provides a method for managing a virtual external storage device, including:
  • Step 11 Monitor a state change of the physical storage device.
  • the physical storage device includes: a physical external storage device and a physical internal storage device.
  • the physical external storage device may be an SD card or the like
  • the physical internal storage device may be a built-in memory soldered on the terminal motherboard or the like.
  • Step 12 Perform basic processing operations on the file system on the virtual external storage device corresponding to the physical storage device according to the state change of the physical storage device.
  • the basic processing operations of the file system include: a mount operation or an unload operation.
  • mounting refers to mounting a storage device to an existing directory.
  • Step 13 Update path information of the virtual external storage device after completing the basic processing operation, to obtain currently available virtual external storage device information;
  • the path information of the virtual external storage device refers to the mount directory of the virtual external storage device, that is, the mount path, that is, the mount point information of the virtual external storage device.
  • the user can access the content in the virtual external storage device through the path information.
  • Step 14 Upon receiving the storage device access request, confirm the physical storage device that is allowed to access according to the currently available virtual external storage device information, and send the storage device access request to the physical storage device.
  • the storage device access request may be initiated by the user through the application, or may be initiated by the operating system itself of the terminal.
  • the storage device access request is typically an access request to a virtual external storage device.
  • the storage device access request may include: a request for reading, writing, deleting, copying, and creating a file.
  • the camera application of the terminal adds the image file request for the photo completion, that is, to the virtual external storage device.
  • the method for managing the virtual external storage device provided by the embodiment of the present invention is to update the path information after the basic processing operation of the virtual external storage device corresponding to the physical storage device in a timely manner when the state of the physical storage device changes.
  • Uniform management of multiple virtual external storage devices on the terminal enables users to access multiple virtual external storage devices to enhance the user experience.
  • the management method of the virtual external storage device in the embodiment of the present invention may further include:
  • the terminal may also monitor the physical external storage device that is initiated by the user through the application for storage device management. Formatted as a formatted request for a built-in storage device.
  • Corresponding formatting processing is performed on the physical storage device according to the formatting request.
  • a partition of a physical external storage device may divide a physical external storage device mounted to the terminal into a storage area space for storing different types of file systems.
  • the state change of the physical storage device may include: the physical internal storage device is created as the first virtual external storage device, the addition of the physical external storage device, and the removal of the physical external storage device.
  • the flow of the execution steps of these three cases will be specifically described below.
  • step 12 of the embodiment of the present invention may specifically include:
  • the first virtual external storage device is mounted to the first preset mount point.
  • a virtual external storage device is created in the preset directory, and then mounted to the external storage device mount point configured by the system through the preset service process.
  • the operating system of the terminal is an Android M system.
  • an external storage device of the emulated type is created in the multimedia directory of the shared data partition, and is mounted to the external storage configured by the system through the FUSE service process. The device is mounted on the point.
  • step 13 of the embodiment of the present invention may specifically include:
  • the currently available virtual external storage device information may store the records in the form of a list.
  • the step 12 of the embodiment of the present invention may further include:
  • the physical external storage device When the physical external storage device is added, the physical external storage device is correspondingly The virtual external storage device is mounted to the second preset mount point.
  • the addition of the physical external storage device is monitored, that is, the terminal listens to a physical external storage device, such as an SD card, and inserts it onto the terminal.
  • a physical external storage device such as an SD card
  • the virtual external storage device corresponding to the physical storage device is mounted.
  • step 13 of the embodiment of the present invention may further include:
  • step 12 of the embodiment of the present invention may further include:
  • the virtual external storage device corresponding to the physical external storage device is uninstalled.
  • the physical external storage device is monitored for removal, that is, the terminal monitors a physical external storage device, such as an SD card, installed on the terminal, and is extracted from the terminal.
  • a physical external storage device such as an SD card
  • step 13 of the embodiment of the present invention may further include:
  • the path information corresponding to the virtual external storage device is deleted, and the currently available virtual external storage device information is obtained.
  • the step 14 in the embodiment of the present invention may further include:
  • the storage device access request may be initiated by the user through the application, or may be initiated by the operating system itself of the terminal.
  • the storage device access request is typically an access request to a virtual external storage device.
  • the currently available virtual external storage device information may include: the number of virtual external storage devices, the capacity of the virtual external storage device, and the path information of the virtual external storage device.
  • the capacity of the virtual external storage device may specifically include the remaining capacity of the virtual external storage device, and may of course include the total capacity or the used capacity of the virtual external storage device.
  • the path information may include virtual path information of the virtual external storage device and actual physical path information.
  • the virtual path information here is the mount point information of the virtual external storage device.
  • the currently available virtual external storage device information may be displayed to the user in the form of an image interface on the application for the user storage setting for the user to view, and set the current user storage device access policy.
  • the current user storage device access policy is mainly to set the user storage device access priority, that is, when receiving the storage device access request, the priority access among the plurality of virtual external storage devices may be determined according to the current user storage device access policy.
  • Virtual external storage device is mainly to set the user storage device access priority, that is, when receiving the storage device access request, the priority access among the plurality of virtual external storage devices may be determined according to the current user storage device access policy.
  • the current user storage device access policy includes metadata information of the virtual external storage device, that is, the actual physical path of the physical storage device corresponding to the virtual external storage device.
  • the storage device access request of the embodiment of the present invention is a write request, that is, requesting to write data to the storage device.
  • the storage device access request can also be a read request, that is, requesting to read data from the storage device to be accessed. It should be noted that, when the storage device access request is a read request, the physical storage device corresponding to the read request is obtained according to the metadata information of the currently recorded virtual external storage device, and the read request is sent to the physical storage device. .
  • the management method of the virtual external storage device in the embodiment of the present invention may further include:
  • the terminal can receive a graphical interface provided by the user through the application for the user storage setting for the user to view the currently available virtual external storage device list. Initiated storage device query request.
  • the method for managing the virtual external storage device provided by the embodiment of the present invention is to update the path information after the basic processing operation of the virtual external storage device corresponding to the physical storage device in a timely manner when the state of the physical storage device changes.
  • Uniform management of multiple virtual external storage devices on the terminal enables users to access multiple virtual external storage devices to enhance the user experience.
  • an embodiment of the present invention provides a management device for a virtual external storage device, including:
  • the first monitoring module 21 is configured to monitor a state change of the physical storage device
  • the physical storage device includes: a physical external storage device and a physical internal storage device.
  • the physical external storage device may be an SD card or the like
  • the physical internal storage device may be a built-in memory soldered on the terminal motherboard or the like.
  • the execution processing module 22 is configured to perform a basic processing operation of the file system on the virtual external storage device corresponding to the physical storage device according to the state change of the physical storage device;
  • the basic processing operations of the file system include: a mount operation or an unload operation.
  • mounting refers to mounting a storage device to an existing directory.
  • the information update module 23 is configured to update path information of the virtual external storage device after completing the basic processing operation, to obtain currently available virtual external storage device information;
  • the path information of the virtual external storage device refers to the mount directory of the virtual external storage device, that is, the mount path, that is, the mount point information of the virtual external storage device.
  • the user can access the content in the virtual external storage device through the path information.
  • the access module 24 is configured to, when receiving the storage device access request, confirm the physical storage device that is allowed to access according to the currently available virtual external storage device information, and send the storage device access request to the physical storage device.
  • the storage device access request may be initiated by the user through the application, or may be initiated by the operating system itself of the terminal.
  • the storage device access request is generally An access request to a virtual external storage device.
  • the storage device access request may include: a request for reading, writing, deleting, copying, and creating a file.
  • the camera application of the terminal adds the image file request for the photo completion, that is, to the virtual external storage device.
  • the management device of the virtual external storage device in the embodiment of the present invention may further include:
  • a second listening module configured to monitor a user-initiated formatting request for the physical storage device
  • the terminal may also monitor a formatting request initiated by the user for formatting the physical external storage device as the built-in storage device by the application for storage device management.
  • the formatting processing module is configured to perform a corresponding formatting process on the physical storage device according to the formatting request.
  • the second listening module can also monitor the partition change of the physical storage device.
  • a partition of a physical external storage device may divide a physical external storage device mounted to the terminal into a storage area space for storing different types of file systems.
  • the state change of the physical storage device may include: the physical internal storage device is created as the first virtual external storage device, the addition of the physical external storage device, and the removal of the physical external storage device.
  • execution processing module 22 may specifically include:
  • the first execution processing unit is configured to: when the physical internal storage device is configured to be the first virtual external storage device, mount the first virtual external storage device to the first preset mount point.
  • the first execution processing unit creates a virtual external storage device in the preset directory, and then mounts it to the external storage device mount point configured by the system through the preset service process.
  • the operating system of the terminal is an Android M system.
  • the first execution processing unit creates an external storage device of the emulated type in the multimedia directory of the shared data partition, and mounts the system through the FUSE service process. Configured external storage device Mount point.
  • the information update module 23 of the embodiment of the present invention may specifically include:
  • the first information updating unit is configured to add the path information of the first virtual external storage device after the mounting operation is completed, and obtain the currently available virtual external storage device information.
  • the currently available virtual external storage device information may store the records in the form of a list.
  • the execution processing module 22 may further include:
  • the second execution processing unit is configured to mount the virtual external storage device corresponding to the physical external storage device to the second preset mount point when the addition of the physical external storage device is monitored.
  • the addition of the physical external storage device is monitored, that is, the terminal listens to a physical external storage device, such as an SD card, and inserts it onto the terminal.
  • a physical external storage device such as an SD card
  • the virtual external storage device corresponding to the physical storage device is mounted.
  • the information update module 23 of the embodiment of the present invention may specifically include:
  • the second information updating unit is configured to add the path information of the virtual external storage device after the mounting operation is completed, and obtain the currently available virtual external storage device information.
  • the execution processing module 22 may further include:
  • the third execution processing unit is configured to uninstall the virtual external storage device corresponding to the physical external storage device when the physical external storage device is removed.
  • the physical external storage device is monitored for removal, that is, the terminal monitors a physical external storage device, such as an SD card, installed on the terminal, and is extracted from the terminal.
  • a physical external storage device such as an SD card
  • the information update module 23 of the embodiment of the present invention may specifically include:
  • the third information update unit is configured to delete the path information corresponding to the virtual external storage device, and obtain the currently available virtual external storage device information.
  • the access module 24 of the embodiment of the present invention may further include:
  • Query unit configured to query the currently available when a storage device access request is received Virtual external storage device information, obtaining a current user storage device access policy
  • the storage device access request may be initiated by the user through the application, or may be initiated by the operating system itself of the terminal.
  • the storage device access request is typically an access request to a virtual external storage device.
  • the currently available virtual external storage device information may include: the number of virtual external storage devices, the capacity of the virtual external storage device, and the path information of the virtual external storage device.
  • the capacity of the virtual external storage device may specifically include the remaining capacity of the virtual external storage device, and may of course include the total capacity or the used capacity of the virtual external storage device.
  • the path information may include virtual path information of the virtual external storage device and actual physical path information.
  • the virtual path information here is the mount point information of the virtual external storage device.
  • the currently available virtual external storage device information may be displayed to the user in the form of an image interface on the application for the user storage setting for the user to view, and set the current user storage device access policy.
  • a path conversion unit configured to convert the virtual access path of the storage device access request into an actual physical path according to the current user storage device access policy
  • the current user storage device access policy is mainly to set the user storage device access priority, that is, when receiving the storage device access request, the priority access among the plurality of virtual external storage devices may be determined according to the current user storage device access policy.
  • Virtual external storage device is mainly to set the user storage device access priority, that is, when receiving the storage device access request, the priority access among the plurality of virtual external storage devices may be determined according to the current user storage device access policy.
  • the current user storage device access policy includes metadata information of the virtual external storage device, that is, the actual physical path of the physical storage device corresponding to the virtual external storage device.
  • the access unit is configured to send the storage device access request to a physical storage device corresponding to the actual physical path.
  • the storage device access request of the embodiment of the present invention is a write request, that is, requesting to write data to the storage device.
  • the storage device access request can also be a read request, that is, requesting to read data from the storage device to be accessed. It should be noted that when the storage device access request is a read request, The physical storage device corresponding to the read request is obtained according to the metadata information of the currently recorded virtual external storage device, and the read request is sent to the physical storage device.
  • the device of the virtual external storage device of the embodiment of the present invention may further include:
  • Receiving a module receiving a storage device query request initiated by the user
  • the terminal can receive a storage device query request initiated by the user through a graphical interface provided by the application for the user storage setting for the user to view the currently available virtual external storage device list.
  • the information return module returns the currently available virtual external storage device information to the user.
  • the embodiment of the invention further provides a terminal, comprising the management device of the virtual external storage device as described in the above embodiments.
  • FIG. 3 it is a system framework diagram of a terminal of a management device including a virtual external storage device according to an embodiment of the present invention.
  • the management device of the virtual external storage device includes: a listening module, an access module, an execution processing module, an information update module, and an application (not shown) for displaying a user storage setting.
  • the information update module is respectively connected to the access module and the execution processing module, and the monitoring module is connected to the execution processing module.
  • the information update module stores the currently available storage device in a list form, that is, the information update module includes a storage device list.
  • the listening module includes the first listening module and the second listening module described in the second embodiment, that is, the listening module has the functions of the first listening module and the second listening module at the same time.
  • the monitoring module monitors the state change of the physical external storage device
  • the state change of the physical external storage device is notified to the execution processing module in the form of a notification message, and the execution processing module performs the file system according to the state change of the physical external storage device.
  • the execution processing module parses the notification message sent by the listening module to determine its message class.
  • the storage device is added, the storage device is mounted.
  • the execution processing module sends a message notification message update module to add the virtual external storage device path corresponding to the storage device to the current storage device list.
  • the user initiates a storage device access request to the access module through the application APP;
  • the storage device access request is transmitted to the access module through the FUSE service process via the function library Libc.
  • the message update module queries the storage device list according to the storage device access request to obtain the current user storage device access policy.
  • the access module converts the virtual access path of the storage device access request into an actual physical path according to the current user storage device access policy, and sends the storage device access request to the physical storage device corresponding to the actual physical path;
  • the storage device access request is transmitted to the physical storage device corresponding to the actual physical path through the storage device driver through the log file system EXT4 according to the actual physical path.
  • the physical storage device responds to the user-initiated storage device access request and returns a response result to the user.
  • the physical storage device stores the image file according to the storage device access request, and if the storage is successful, the storage success result is returned to the user. If the storage fails, the result of the storage failure is returned to the user.
  • the device of the virtual external storage device performs the basic processing operation after the processing module performs the basic processing operation on the virtual external storage device corresponding to the physical storage device when the state of the physical storage device changes.
  • the update module updates the path information of the virtual external storage device in time to facilitate unified management of multiple virtual external storage devices on the terminal, so that the user can access multiple virtual external storage devices through the access module to improve the user experience.
  • Embodiments of the present invention also provide a storage medium including a stored program, wherein the program described above executes the method of any of the above.
  • the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM).
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • Embodiments of the present invention also provide a processor for running a program, wherein the program is executed to perform the steps of any of the above methods.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the path information of the virtual external storage device corresponding to the physical storage device is updated in time, which is convenient for the terminal.
  • Unified management of multiple virtual external storage devices enables users to access multiple virtual external storage devices to enhance the user experience.

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Abstract

L'invention concerne un procédé et un appareil de gestion de dispositif de stockage externe virtuel, et un terminal. Le procédé comprend les étapes suivantes : surveiller un changement d'état d'un dispositif de stockage physique (11) ; selon le changement d'état du dispositif de stockage physique, effectuer une opération de traitement de système de fichiers de base sur un dispositif de stockage externe virtuel correspondant au dispositif de stockage physique (12) ; mettre à jour des informations de chemin concernant le dispositif de stockage externe virtuel après la réalisation de l'opération de traitement de base, et obtenir des informations de dispositif de stockage externe virtuel actuellement disponible (13) ; et lorsqu'une demande d'accès à un dispositif de stockage est reçue, selon les informations de dispositif de stockage externe virtuel actuellement disponibles, déterminer un dispositif de stockage physique accessible et envoyer, au dispositif de stockage physique, la demande d'accès au dispositif de stockage (14). Dans le procédé, il est pratique de gérer une pluralité de dispositifs de stockage externes virtuels sur un terminal grâce à la mise à jour d'informations de chemin lorsque l'état d'un dispositif de stockage physique change et après la réalisation d'une opération de traitement sur un dispositif de stockage externe virtuel lui correspondant, de sorte qu'un utilisateur puisse accéder à une pluralité de dispositifs de stockage externes virtuels et que l'expérience de l'utilisateur soit améliorée.
PCT/CN2017/090396 2016-08-09 2017-06-27 Procédé et appareil de gestion de dispositif de stockage externe virtuel, et terminal WO2018028321A1 (fr)

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