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OceanStor 9000 V300R005C00 File System Feature Guide 11

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Managing InfoLocker

Managing InfoLocker

This section describes the procedure for managing InfoLocker.

Modifying WORM Properties

This procedure will guide you to modify WORM properties.

Prerequisites

At least one WORM directory has been created.

Context

Modified WORM configurations apply to new files or subdirectories only. Parent directories and files are not affected.

Procedure

  1. Choose Provisioning > InfoLocker.
  2. Select the WORM item that you want to view in the WORM list. Click Properties.

    You can change the following values:

    • Min. Retention
    • Max. Retention
    • Default Retention
    • Automatic Lockup

  3. In the WORM Properties dialog box, modify the retention period.
  4. Click OK to complete the modification.

Appending Data to a WORM File

This procedure will guide you to append data to a WORM file.

Prerequisites

The WORM file to which you want to append data already exists.

Context

You can append data to empty files in the Append-only state, but you cannot delete the files. There are two scenarios for appending:
  • When the file size is smaller than 1 MB, you can continue to append data to the files or modify the file content.
  • When the file size is larger than 1 MB, you can continue to append data to the files. The 1 MB data that was written to the files the most recently can be modified and thus is not protected, but other data in the files is protected.
After you complete the appending and disable the write permission on the files, the files enter the Locked state again.
NOTE:
  • Appending applies to log files, for example, WORM log files.
  • The appending process is logged.

Procedure

  • Append data to a WORM file on a Linux client.
    1. Run command chmod +w filename to enable the write permission on an empty file in the Locked state.
    2. After the appending, use either of the following ways to configure the file to the Locked state:

      • Close the file and do not modify it within the automatic lockup period.
      • Use command chmod -w filename to disable the write permission on the file.

  • Append data to a WORM file on a Windows client.
    1. Right-click the file. Deselect Read-only to remove the ready-only property of the empty file in the Locked state.
    2. After the appending, use either of the following ways to configure the file to the Locked state:

      • Close the file and do not access it within the automatic lockup period.
      • Right-click the file and select Read-only.

Performing Privileged Deletion on a WORM File

This procedure will guide you to perform privileged deletion on a WORM file.

Prerequisites

  • You have logged in to the DeviceManager as an administrator with the super administrator permission.
  • You have set the directory for storing WORM logs.
  • The WORM file has entered the Locked state.

Context

The super administrator (admin) can execute the privileged deletion of files, empty files, WORM root directories in the Locked state.

NOTE:
The privileged deletion can be performed only after the directory for storing WORM logs has been specified. The privileged deletion is logged.

Procedure

  1. Delete the WORM file.
    1. Choose Provisioning > InfoLocker.
    2. In the user WORM file list, select the WORM file you want to delete and click Delete.
    3. In the Warning dialog box, select I have read and understood the consequences associated with performing this operation.
    4. Click OK. The WORM file is deleted.
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Updated: 2019-03-30

Document ID: EDOC1000101823

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