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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 reactivate

change snapshot reactivate

Function

The change snapshot reactivate command is used to reactivate snapshots. Use this command if you want to set the point in time of a snapshot to the latest point in time of the source LUN or HyperCDP object.

Format

change snapshot reactivate snapshot_id_list=? [ activate_time=? ]

change snapshot reactivate snapshot_id=? [ cdp_id=? ]

Parameters

Parameter

Description

Value

snapshot_id_list=?

ID of a snapshot.

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

You can specify multiple snapshot IDs separated by commas (,), or an ID range separated by hyphens (-), such as: 0,5-8. A maximum of 2048 snapshot IDs are allowed.

snapshot_id=?

ID of a snapshot.

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

activate_time=?

Snapshot activation time.

The value can be "same" or "different", where:

  • "same": All snapshots are activated simultaneously after being deactivated.
  • "different": Snapshots are reactivated one by one.

cdp_id=?

ID of a HyperCDP object.

  • The value is an integer from 0 to 1999999.
  • To obtain the value, run "show hyper_cdp general".

Level

Administrator

Usage Guidelines

  • Running this command erases the existing data of the selected snapshot.
  • Before running this command, ensure that the selected snapshot is exactly the one you want to recreate, and that the existing data of the snapshot is no longer needed or it has been backed up.
  • If the selected snapshot is in the activated state, running this command deactivates and then reactivates the snapshot and sets the latest snapshot time to the re-creation time.
  • If the selected snapshot is in the deactivated state, running this command activates the snapshot and sets the latest snapshot time to the re-creation time.
  • If the selected snapshot is either in the rolling back or the error state, running this command fails.

Example

  • Reactivate snapshot "5".
    admin:/>change snapshot reactivate snapshot_id_list=5 
    DANGER: You are about to reactivate snapshot. This operation will delete existing snapshot data and protect source LUN data at the current point in time. When multiple snapshots are reactivated, the default activation points in time are different. When a timing snapshot is used, it is converted to a common snapshot. 
    Suggestion: Before performing this operation, ensure that the selected snapshot is no longer necessary or has been backed up. 
    Have you read danger alert message carefully?(y/n)y 
      
    Are you sure you really want to perform the operation?(y/n)y 
    Reactivate snapshot 5 successfully.
  • Deactivate snapshots "12" and "92" separately and then activate them simultaneously.
    admin:/>change snapshot reactivate snapshot_id_list=12,92 activate_time=same 
    DANGER: You are about to reactivate snapshot. This operation will delete existing snapshot data and protect source LUN data at the current point in time. When multiple snapshots are reactivated, the default activation points in time are different. When a timing snapshot is used, it is converted to a common snapshot. 
    Suggestion: Before performing this operation, ensure that the selected snapshot is no longer necessary or has been backed up. 
    Have you read danger alert message carefully?(y/n)y 
      
    Are you sure you really want to perform the operation?(y/n)y 
    Deactivate snapshot 12 successfully. 
    Deactivate snapshot 92 successfully. 
    Activate snapshot successfully.
  • Reactivate snapshot "1" for HyperCDP object "0".
    admin:/>change snapshot reactivate snapshot_id=1 cdp_id=0 
    DANGER: You are about to reactivate snapshot by using a HyperCDP object. This operation deletes existing snapshot data and protects the data at the point in time when the HyperCDP object is activated. If a scheduled snapshot is used, it is converted to a common snapshot. 
    Suggestion: Before performing this operation, ensure that the selected snapshot and HyperCDP object are correct and the data of the selected snapshot is no longer necessary or has been backed up. 
    Have you read danger alert message carefully?(y/n)y 
    Are you sure you really want to perform the operation?(y/n)y 
    Reactivate snapshot successfully.

System Response

None

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Updated: 2019-07-16

Document ID: EDOC1100049140

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