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OceanStor 2600 V3 Storage System V300R005 HyperMetro Feature Guide 06

"This document describes the implementation principles and application scenarios of theHyperMetro feature. Also, it explains how to configure and manage HyperMetro."
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Changing the Properties of a HyperMetro Consistency Group

Changing the Properties of a HyperMetro Consistency Group

This operation enables you to change the name and description of a HyperMetro consistency group.

Procedure

  1. Log in to DeviceManager.
  2. Choose Data Protection > HyperMetro > HyperMetro Pair > HyperMetro Consistency Group.
  3. Select the HyperMetro consistency group you want to modify, and click Properties.

    The Properties of Consistency Group dialog box is displayed.

  4. In General tab, modify the related parameters. Table 3-10 describes the related parameters.

    Table 3-10 Parameters of Consistency Group

    Parameter

    Description

    Setting

    Name

    The name of HyperMetro consistency group.

    [Example]

    HyperMetroGroup_005

    Description

    The description of HyperMetro consistency group.

    [Example]

    -

    Speed

    Data replication speed of a HyperMetro consistency group.

    • Low: Data replication takes a relatively long time. This value is applicable to scenarios where the service load is heavy. The speed ranges from 0 MB/s to 5 MB/s.
    • Medium: Data replication takes a relatively short time. This value is applicable to scenarios where the service load is relatively heavy. The speed ranges from 10 MB/s to 20 MB/s.
    • High: Data replication takes a short time. This value is applicable to scenarios where the service load is relatively light. The speed ranges from 50 MB/s to 70 MB/s.
    • Highest: Data replication takes the shortest time. This value is applicable to scenarios where the service load is light. The speed is greater than 100 MB/s.

    [Example]

    Medium

    Recovery Policy

    A recovery policy determines whether the system automatically synchronizes data after a HyperMetro fault is rectified.

    • Automatic: The system automatically synchronizes data.
    • Manual: The synchronization operation must be performed manually.

    [Example]

    Automatic

    Isolation Switch

    After the Isolation Switch is turned on, the system will suspend the HyperMetro pair when the difference between the write I/O latency of the two storage arrays is greater than the isolation switch. The storage array with the longer write I/O latency will stop providing services.

    [Example]

    Disabled

    Isolation Threshold (ms)

    Write I/O latency difference between the host and HyperMetro storage arrays.

    [Example]

    50

  5. Click OK.
  6. Click Close.
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Updated: 2018-09-03

Document ID: EDOC1000106183

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