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Command Reference

OceanStor 18000 V3 Series V300R006

This document is applicable to OceanStor 18500 V3 and 18800 V3. Based on the CLI provided by the DeviceManager, this document describes how to use variouscommands classified by functions and how to set the CLI and manage the storage system throughthese commands. The document that you browse online matches the latest C version of the product. Click Download to download documents of other C versions.
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change fs_snapshot restore

change fs_snapshot restore

Function

The change fs_snapshot restore command is used to roll a file system to a specific snapshot.

Format

change fs_snapshot restore snapshot_id=?

Parameters

Parameter

Description

Value

snapshot_id=?

Indicates the ID of the snapshot the file system rolls back to.

File system ID @ snapshot name. The file system ID is an integer from 0 to 65535 and the snapshot name consists of 1 to 127 ASCII characters including letters, numbers, and underscores (_).

Level

Administrator

Usage Guidelines

Before running this command, check whether the ID of the snapshot is correct.

Example

Roll the file system to snapshot "0@snap1".

admin:/>change fs_snapshot restore snapshot_id=0@snap1 
DANGER: You are about to run a command to roll back a read-only file system snapshot. Data in the corresponding file system will be rolled back to the state preserved by the specified snapshot, all the read-only snapshots generated after the specified read-only snapshot will be deleted, and all data generated after the specified snapshot will be lost. If you access file system data during snapshot rollback, you may access data lost after file system snapshot rollback. This may cause logical errors or even interrupt services. 
Suggestion:  
1. Before performing this operation, to avoid accessing data lost after snapshot rollback, stop services of the file system. 
2. Ensure that the file system snapshot you have selected is correct. 
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: 2019-07-12

Document ID: EDOC1000138390

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