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OceanStor BCManager 6.5.0 eReplication User Guide 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
What Can I Do When I Fail to Perform Failback After a Successful Switchover in a DR Test?

What Can I Do When I Fail to Perform Failback After a Successful Switchover in a DR Test?

Symptom

In a DR test of the NAS HyperMetro NAS recovery plan, performing failback fails after a successful switchover, with error information The status of HyperMetro pair does not meet the recovery requirement displayed.

Possible Causes

When a file system used by the NAS HyperMetro protected group exceeds 80%, the write policy turns to write through. As a result, the NAS HyperMetro pair becomes faulty and its owning HyperMetro vStore pair is in a non-Normal state. Failback cannot be performed.

Procedure

  1. Log in to DeviceManager on the local storage and peer storage.
  2. Check whether an alarm exists indicating that the usage of a file system used by the NAS HyperMetro protected group exceeds 80%.

    • If yes, perform 3.
    • If no, contact Huawei technical support.

  3. Expand the file system and its peer file system in the NAS HyperMetro pair to clear the alarm.
  4. Wait some time until the running status and configuration status of the HyperMetro vStore pair housing the NAS HyperMetro pair resume to normal.
  5. Log in to eReplication and perform failback again.
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Updated: 2019-05-21

Document ID: EDOC1100075861

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