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Remote Replication Feature Guide for File 04

OceanStor 5300 V3, 5500 V3, 5600 V3, 5800 V3, and 6800 V3 Storage System V300R002

"This document describes the file system remote replication feature, in terms of the implementation principle,application scenario, and explains how to configure and manage this feature."
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Splitting a Remote Replication

Splitting a Remote Replication

If you want a secondary resource to save data on a primary resource at a specific point in time, maintain a remote replication link, or expand network bandwidth, you must split the remote replication. After a remote replication is split, the application server only writes data on the primary resource. This may cause data inconsistency between the primary resource and secondary resource.


  • When the secondary resource of an asynchronous remote replication is in the Synchronizing state, splitting the remote replication will cause data on the secondary resource unavailable. Perform this operation with caution.
  • The remote replication can not be split when Pair Running Status of the remote replication pair is in the Split or Invalid state.


  1. Go to the remote replication management page.
    1. On the right navigation bar, click .
    2. In the left function pane, click Remote Replication.
    3. Click the Remote Replication tab.

      The remote replication management page is displayed.

  2. Split a remote replication.
    1. Right-click the remote replication you want to split and choose Split.

      The Danger dialog box is displayed.

  3. Confirm the remote replication splitting.
    1. Confirm the information in the dialog box. Select I have read and understood the consequences associated with performing this operation. and click OK.

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

    2. Click OK.


      After the secondary resource of a remote replication is split from the primary resource, the secondary resource data remains the same as it was at the time of the split and can serve as a backup of the primary resource data from that time.

Updated: 2019-01-02

Document ID: EDOC1000069276

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