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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 snapshot_consistency_group restore

change snapshot_consistency_group restore

Function

The change snapshot_consistency_group restore command is used to start rollback from a snapshot consistency group.

Format

change snapshot_consistency_group restore snapshot_consistency_group_id=? [ restore_speed=? ]

Parameters

Parameter

Description

Value

snapshot_consistency_group_id

ID of a snapshot consistency group.

The value is an integer ranging from 1 to 4096.

restore_speed

Rollback speed of a snapshot consistency group.

-

Level

Administrator

Usage Guidelines

None

Example

Start rollback from snapshot consistency group "1".

admin:/>change snapshot_consistency_group restore snapshot_consistency_group_id=1 
WARNING: You are about to roll back the snapshot consistency group. This operation uses the snapshot data in the snapshot consistency group to overwrite the data in the LUN consistency group. This operation may cause heavy service load and decrease the read/write performance of the host. Before performing this operation, ensure that the LUNs in the LUN consistency group are not read or written by the host, no data is stored in the host cache, and the snapshots in the snapshot consistency group are not written by the host.  
Suggestion: 
1. Before performing this operation, back up the LUN consistency group data.  
2. Ensure that the free capacity of the storage pool is greater than the actual capacity of the LUN in the LUN consistency group.  
3. Select the medium speed. If you select the high or highest speed, perform this operation during off-peak hours. 
Have you read danger alert message carefully?(y/n)y 
Are you sure you really want to perform the operation?(y/n)y 
Command executed successfully.

System Response

None

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Updated: 2019-07-16

Document ID: EDOC1100049140

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