Creat snapshots

Restrictions

When using an instance to create a snapshot, the instance must be powered on, and the instance state cannot be changed during the snapshot creation process.
Only one snapshot is allowed to be created on a disk.
Snapshots are deleted following the deletion of the created host or hard disk.
Steps
Creat a snapshot with an instance
Sign in to the console.
On the left navigation bar, select "Product" - "Instances".
Find the target instance and enter the instance details page.
On the instance page, click tab "snapshots"
Choose "resource", then enter a snapshot name, click "Take snapshot" to complete the creation. Creating snapshots with hard disks
Sign in to the console.
On the left navigation bar, select "Product" - "Block Storage".
Find the target instance and enter the instance details page.
Click "Create" in the Actions menu.
Enter the snapshot name in the pop-up box and click "Submit" to complete the creation. There is another way to create a snapshot with a hard disk, it is the same to the steps to create a snapshot with an instance.

View Snapshot

View the snapshots associated with this instance through the snapshots tab on the instance details page.
Go to the left navigation bar and select "Product" - "Snapshots" to view the list of snapshots.

Rollback with snapshots

Create an image with a system disk snapshot

Go through the steps above to view the snapshot, select the target system disk snapshot, and operate "Create Custom Image".
Enter the custom image name and description in the pop-up dialog box, and click "Submit" to complete the creation.

Creating a hard disk with snapshots

Sign in to the console.
On the left navigation bar, select "Product" - "Block Storage".
Click the "Add" button in the upper right corner.
Complete the appropriate information on the creation page, and check the "size" option to create a snapshot.
In the pop-up dialog box, select the target snapshot and click "Submit".
Click "Submit" on the creation page to complete the drive creation.