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SmartMulti-Tenant Feature Guide for Block

OceanStor V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5300F V5, 5500 V5, 5500F V5, 5600 V5, 5600F V5, 5800 V5, 5800F V5, 6800 V5, 6800F V5, 18500 V5, 18500F V5, 18800 V5, and 18800F V5. This document describes the implementation principles and application scenarios of the SmartMulti-Tenant feature. Also, it explains how to configure and manage SmartMulti-Tenant.
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Creating a SmartErase Task

Creating a SmartErase Task

This operation enables you to sanitize the data on a LUN before discarding the LUN. The sanitized data cannot be recovered, which ensures data security.

Context

  • The system provides the following two methods of data sanitation:
    • DoD: The system overwrites a LUN in accordance with US Department of Defense (DoD) Standards to destroy source data.
    • Custom: The system overwrites a LUN according to the configured overwrite times.
  • Super administrators, administrators, and SAN resource administrators can create a SmartErase task.

Precautions

  • SmartErase cannot be used to destroy LUN data on SSDs.
  • SmartErase is used to destroy data of thick LUNs created on the hard disk drive (HDD). A thin LUN cannot be fully destroyed because of capacity-on-write and space release.
  • An abnormal LUN cannot be destroyed by SmartErase.
  • A LUN added in a LUN group cannot be destroyed by SmartErase.
  • A LUN for which value-added services are configured cannot be destroyed by SmartErase.
  • A LUN whose migration property has not been set to No relocation cannot be destroyed by SmartErase.
  • If the SmartErase function is performed on a LUN and you need to continue to use this LUN, to ensure normal running of services, format the LUN and then configure services.

Procedure

  1. Log in to DeviceManager.
  2. Go to the LUN page.

    The operation path varies with user types:

    • System user: Click vStore, select the desired vStore, and click Details to go to the vStore view. Choose Provisioning > LUN.
    • vStore user: In the vStore view, choose Provisioning > LUN.

  3. Select a LUN whose data you want to sanitize, and choose More > Create SmartErase Task.

    The Create SmartErase Task dialog box is displayed.

  4. Configure the LUN data sanitation. For details about data sanitation parameters, see Table 5-6.

    Table 5-6 Parameters for LUN data sanitation

    Parameter

    Description

    Setting

    DoD

    Overwrite data based on the DoD standard to erase original data.

    [Example]

    DoD

    Custom

    The system overwrites the selected LUN according to the configured overwrite times.

    NOTE:

    If this parameter is selected, Overwrite Times is valid.

    [Example]

    Custom

    Overwrite Times

    Customize data overwrite times. More overwrite times indicate more thorough erase.

    [Value range]

    3 to 99

    [Example]

    3

  5. Confirm the LUN data sanitation.

    NOTE:

    If you want to stop the ongoing data sanitation, right-click the LUN and choose Delete SmartErase Task.

    1. Click OK.

      The security alert dialog box is displayed.

    2. Confirm the information in the dialog box and select I have read and understand the consequences associated with performing this operation.
    3. Click OK.

      The Success dialog box is displayed, indicating that the operation succeeded.

    4. Click OK.

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Updated: 2019-07-11

Document ID: EDOC1000181478

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