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FusionStorage V100R006C30 Block Storage Service Disaster Recovery Feature Guide 03

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Modifying a Consistency Group

Modifying a Consistency Group

Scenario

This operation enables you to modify the name, restoration policy, and synchronization speed of a remote replication consistency group.

Prerequisites

  • You have created a consistency group whose running status is not Invalid.

Procedure

    1. In FusionStorage Block Self-Maintenance Platform, choose DR Service > dr. On the DR Cluster page, at the row where the cluster resides, click Manage Remote Replication, and select Consistency Group Management.

      The Consistency Group Management page is displayed.

    2. In the operation column of the consistency group to be modified, choose More > Modify.

      The Modify dialog box is displayed.

    3. Modify parameters of the consistency group.

      Table 3-7 lists related configuration parameters.

      Table 3-7  Consistency group parameters

      Parameter

      Description

      Value (Example)

      Name

      • The name contains 1 to 63 characters.
      • The name contains only letters, digits, hyphens (-), and underscores (_).

      HCG01

      Restoration Policy

      A restoration policy determines whether the system automatically synchronizes data after the fault is rectified.
      • Automatic: The system automatically synchronizes data.
      • Manual: Data synchronization must be performed manually.

      Automatic

      Synchronization Speed

      Data copy rate in KB/s. Value range: [1024,1048576]. System default value: 32768.

      32768

      Synchronization Type

      • Manual: You need to manually start data synchronization.
      • Timed wait when synchronization starts: Period from the time a synchronization starts to the time the next synchronization starts. If this period is shorter than the synchronization time, complete the current synchronization before starting the next one.
      • Timed wait when synchronization ends: Period from the time a synchronization ends to the time the next synchronization starts.
      • Specify the time policy: Synchronization starts at a defined time point.
        • Daily: Synchronization starts at a defined time point every day.
        • Hourly: Synchronization starts at a defined time point every hour.

      Manual

    4. Click Modify.
    5. Split the remote replication pair as prompted.
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Updated: 2019-01-17

Document ID: EDOC1100044928

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