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File Access and Protocols Feature Guide 13

OceanStor 18500 V3 and 18800 V3 Mission Critical Storage System V300R003

This document describes the implementation principles and application scenarios of the NAS feature. Also, it explains how to configure and manage NAS.
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Modifying Properties of a CIFS Share

Modifying Properties of a CIFS Share

This operation enables you to modify the properties of a CIFS share to improve the sharing efficiency.


  1. Log in to DeviceManager.
  2. Choose Provisioning > Share > CIFS (Windows/MAC).
  3. Select the CIFS shared resource whose properties you want to modify.
  4. Click Properties.

    The Properties of CIFS Share dialog box is displayed.

  5. Modify the following parameters based on site requirements.

    The Table 3-23 describes the related parameters.

    Table 3-23  Parameters for a CIFS share





    Description of the created CIFS share.

    [Value range]

    The name contains 0 to 255 characters.


    Share for user 1.


    Opportunistic locking (Oplock) is a mechanism that improves client access efficiency. After this mechanism is enabled, files are cached locally before being sent to shared storage.

    [Default value]



    After this parameter is enabled, a client's operations on a directory, such as adding a sub-directory, adding a new file, modifying the directory, and modifying a file, can be sensed by other clients that are accessing this directory or the parent directory of this directory.

    [Default value]


    Offline Cache Mode

    Cache files to be accessed in different offline cache modes to local clients so that files can be operated offline. The following offline cache modes are supported:
    • None

      Files and programs in the shared directory cannot be cached to local clients. Therefore, these files and programs cannot be operated offline. This mode prevents the offline file function of clients from creating duplicates of files in the shared directory.

    • Manual

      Specified files and programs in the shared directory can be cached to local clients and operated offline.

    • Documents

      If a user accesses the shared directory and opens a file or program in the shared directory, the file or program is automatically cached to a local client so that the user can operate it offline. Files and programs that can be operated offline are saved in the cache of clients and they are synchronized with those in the shared directory until the cache is full or users delete them. Files and programs that have not been opened cannot be cached locally.

    • Programs

      Performance is optimized based on the Documents mode. If an executable file (EXE or DLL) in the shared directory is executed by a local client, the file is automatically cached to the client. If the client needs to run the executable file online or offline next time, it accesses the cached file instead of that in the shared directory.

    The offline file function of clients must be enabled so that files and programs can be automatically cached.

    [Default value]



    This option is for SMB3.0 continuous availability. This feature depends on Oplock, ensure that Oplock is enabled.

    [Default value]


    Security Restriction

    After security restriction is enabled, only the added IP addresses can be used to access devices. If security restriction is not enabled, all IP addresses can be used to access devices.

    [Default value]


    Create Default ACL

    This function creates a default ACL (full control rights to everyone; applied to the current directory, its subdirectories, and files in them) for a shared CIFS root directory if the directory has no ACL. You can change the default ACL in follow-up operations. If you want to retain the UNIX MODE rights, disable this function.

    [Default value]


  6. Click OK.

    The Execution Result dialog box is displayed.

  7. Click Close to finish modifying the CIFS properties.
Updated: 2019-08-14

Document ID: EDOC1000084098

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