#Introduction

ACP Virtualization With Kubevirt provides virtual machine snapshot capabilities, allowing users to back up and restore VMs via snapshots.

#Application Scenarios

• Disaster Recovery & Failure Rollback

  When a virtual machine experiences data loss due to hardware failures, human errors (e.g., accidental file deletion), or malicious attacks (e.g., ransomware), snapshots serve as the last line of defense to restore operations.

#Usage Limitations

• Snapshots can be created while the virtual machine is running (online) or stopped. For an application-consistent snapshot, install the QEMU guest agent in the guest; otherwise an online snapshot is crash-consistent. Rolling back a snapshot requires stopping the virtual machine first.
• The virtual machine disk must use a storage class that supports volume snapshots (a VolumeSnapshotClass is bound to it).