You can use a disk backup to restore the disk to its state when the backup was created.
Before restoring the disk data, stop the server to which the disk is attached and detach the disk from the server. After the disk data is restored, attach the disk to the server and start the server.
Prerequisites
- The disk to be restored is Available.
- The server is stopped and the disk is detached from the server. After the disk data is restored, attach the disk to the server and start the server.
Constraints
- If the server OS is changed after the system disk is backed up, the system disk backup cannot be restored to the original system disk due to reasons such as disk UUID change. You can use the system disk backup to create a new disk and copy data to the original system disk.
- Backups can only be restored to original disks and cannot be restored to other disks. If you want to restore a backup to a different disk, use the backup to create a new disk.
- When restoring from a cloud disk backup, the backup can only be restored to the original disk. To restore backup of a data disk to a system disk, see How Do I Restore a Data Disk Backup to a System Disk?
- Concurrent data restoration is not supported.
Procedure
- Log in to the CBR console.
- In the upper left corner, click
and select a region. - Click
and choose Storage > Cloud Backup and Recovery.
- In the upper left corner, click
- Click the Backups tab. Locate the desired backup. For details, see Viewing a Backup.
- In the row of the backup, click Restore Disk.
Warning
- The EVS disk data will be overwritten by the data captured at the time of backup. The restoration cannot be undone.
- If the restore button is grayed out, stop the server, detach the disk, and try again. After the disk data is restored, attach the disk to the server and start the server.
- Confirm the information as prompted and enter YES. Click Yes. You can check whether data is successfully restored on the Backups tab of Cloud Disk Backups or on the EVS console.
When the backup status changes to Available, the restoration is successful. The resource is restored to the state when that backup was created.
- After the restoration is complete, re-attach the disk to the server. For details, see section "Attaching a Non-Shared Disk" in the Elastic Volume Service User Guide.
Parent topic: Data Restoration