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Command Reference for Block

OceanStor Dorado V3 Series V300R002

This document is applicable to OceanStor Dorado3000 V3, Dorado5000 V3, Dorado6000 V3 and Dorado18000 V3. Based on the CLI provided by the DeviceManager, this document describes how to use various commands classified by functions and how to set the CLI and manage the storage system through these commands.
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change hyper_copy_consistency_group restore

change hyper_copy_consistency_group restore

Function

The change hyper_copy_consistency_group restore command is used to set reverse synchronization parameters of a HyperCopy consistency group.

Format

change hyper_copy_consistency_group restore hyper_copy_consistency_group_id_list=? action=? restore_type=?

Parameters

Parameter

Description

Value

hyper_copy_consistency_group_id_list

HyperCopy consistency group ID list.

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

restore_type

Reverse synchronization type.

The value can be "fullcopy" or "diffcopy" where:

  • "fullcopy": full copy.
  • "diffcopy": differential copy.

action

Reverse synchronization action.

The value can be "start", "pause", "stop", or "continue", where:

  • "start": starts reverse synchronization.
  • "pause": pauses reverse synchronization.
  • "stop": stops reverse synchronization.
  • "continue": continues reverse synchronization.

Level

Administrator

Usage Guidelines

None

Example

  • For HyperCopy consistency group "3", set its reverse synchronization action to "start" and its synchronization type to "fullcopy".
    admin:/>change hyper_copy_consistency_group restore hyper_copy_consistency_group_id_list=3 action=start restore_type=fullcopy 
    WARNING: You are about to restore HyperCopy consistency group. This operation will use data of target objects in HyperCopy pairs to overwrite data of source objects. Before performing this operation, ensure that source objects in HyperCopy pairs are not being read or written by the host and no data is stored in the host cache. 
    Suggestion:  
    1. To retain the data of a source object, back it up first. 
    2. Ensure that the free capacity of the storage pool is greater than the actual capacity of the target objects. 
    Have you read warning message carefully?(y/n)y 
      
    Are you sure you really want to perform the operation?(y/n)y 
    Change HyperCopy consistency group restore 3 successfully.
  • For HyperCopy consistency group "3", set its reverse synchronization action to "stop".
    admin:/>change hyper_copy_consistency_group restore hyper_copy_consistency_group_id_list=3 action=stop                        
    DANGER: You are about to stop restoring data of target objects to source objects in HyperCopy consistency group. This operation will cause data of source objects in HyperCopy pairs to be unavailable. 
    Suggestion: Before performing this operation, ensure that data of source objects in HyperCopy pairs is no longer needed. 
    Have you read danger alert message carefully?(y/n)y 
      
    Are you sure you really want to perform the operation?(y/n)y 
    Change HyperCopy consistency group restore 3 successfully.

System Response

None

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Updated: 2019-07-16

Document ID: EDOC1100049140

Views: 116005

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