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OceanStor 18500, 18800, and 18800F Storage System V100R001C30 Remote Replication Feature Guide 09

This document describes the remote replication feature, in terms of the implementation principle, application scenario, configuration process, and reference information.
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Enable Write Protection For Secondary LUN Of Consistency Groups

Enable Write Protection For Secondary LUN Of Consistency Groups

This operations enables write protection for secondary LUN of all remote replications in consistency group, and the data of secondary LUN can not be written to ensure the security of the data from the secondary LUN.

Prerequisites

Based on Running Status of a consistency group and Secondary LUN Data Status of the remote replications added to the consistency group, determine whether enable write protection for secondary LUN can be performed for the consistency group, as shown in Table 4-28.
Table 4-28  Status requirements for enabling write protection for secondary LUN

Pair Running Status

Secondary LUN Data Status of Remote Replications

Enable write protection for secondary LUN

Normal

Any status

×

Split

Consistent

Interrupted (link is down)

Consistent

√ (Operate on remote device)

Interrupted (link is up)

Any status

×

To be recovery

Any status

×

Synchronizing

Any status

×

Invalid

Any status

×

Procedure

  1. Go to the consistency group management page.
    1. On the right navigation bar, click .

      The data protection page is displayed.

    2. In the left function pane, click Remote Replication.
    3. Click the Remote Replication Consistency Group tab.

      The consistency group management page is displayed.

  2. Enable write protection for secondary LUN.
    1. Select the consistency groupn you want to enable write protection for secondary LUN.
    2. Click More > Enable write protection for secondary LUN.

      The Success dialog box is displayed.

    3. Click OK.
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Updated: 2019-01-28

Document ID: EDOC1000077758

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