Snapshot Overview

What Is EVS Snapshot?

An EVS snapshot is a complete copy or image of the disk data at a specific point in time. Snapshots can be used as a disaster recovery (DR) approach, and you can use snapshots to fully restore data to the time when the snapshot was taken. You can create snapshots for disks on the console or via the API.

EVS snapshots are sometimes referred to as snapshots in this document.

You can create snapshots to rapidly save the disk data at specified time points. In addition, you can use snapshots to create new disks so that the created disks will contain the snapshot data in the beginning.

Application Scenarios

The snapshot function helps address your following needs:

Operation Overview

You can create snapshots according to Creating a Snapshot to rapidly save the disk data at specified points in time.

If a data loss happened, you can roll back the disk data to the time when the snapshot was created based on Rolling Back Data from a Snapshot. In addition, you can create a new disk from the snapshot so that the disk will contain the snapshot data in the beginning. For details, see Creating an EVS Disk from a Snapshot.

When a snapshot is no longer needed, delete it according to Deleting a Snapshot to release the virtual resources.

Snapshot FAQ

For more snapshot FAQs, see Snapshot.