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Command Reference

OceanStor 18000 and 18000F V5 Series V500R007

This document is applicable to OceanStor 18500 V5, 18800 V5, 18500F V5, and 18800F V5 storage systems. It describes hardware installation of those storage systems for helping you easily and quickly finish the installation.

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change consistency_group synchronize

change consistency_group synchronize


The change consistency_group synchronize command is used to synchronize appointed consistency groups.


change consistency_group synchronize consistency_group_id=?





consistency_group_id=? ID of a consistency group.

To obtain the value, run "show consistency_group general".



Usage Guidelines

  • Running this command overwrites the data of a secondary LUN using that of the primary LUN.
  • Before running this command, ensure that the data of the selected secondary LUN is safe to be overwritten.
  • You can run this command only on the primary end for a consistency group.
  • You cannot synchronize a consistency group if its replication mode is synchronous and its replication relationship is normal, synchronizing, or replication failed.
  • You cannot synchronize a consistency group if its replication mode is asynchronous and its replication relationship is synchronizing or replication failed.


To synchronize consistency group "9747215445131264", run the following command.

admin:/>change consistency_group synchronize consistency_group_id=9747215445131264
DANGER: You are about to synchronize the data on the primary resources to the secondary resources in all remote replication tasks within consistent group.After this operation, the data on the secondary resources will be overwritten by the data on the primary resources, and the data on the secondary resources is unrecoverable.
Suggestion: Before performing this operation, ensure that all data on the secondary resources can be overwritten.
Have you read alert message carefully?(y/n)y 
Are you sure you really want to perform the operation?(y/n)y
Command executed successfully.

System Response


Updated: 2020-01-17

Document ID: EDOC1000181601

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