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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 fs_snapshot restore

change fs_snapshot restore


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


change fs_snapshot restore snapshot_id=?





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 (_).



Usage Guidelines

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


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.
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


Updated: 2020-01-17

Document ID: EDOC1000181601

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