This topic describes how to copy a created snapshot from one region to another. The new snapshot is assigned an ID different from the source snapshot.

Prerequisites

At least one normal snapshot is created. For more information, see Create a normal snapshot.

Background information

When you copy a snapshot, take note of the following items:
  • The following regions support the snapshot copying feature:
    • You can copy snapshots among the following regions: China (Hangzhou), China (Shanghai), China (Qingdao), China (Beijing), China (Zhangjiakou-Beijing Winter Olympics), China (Hohhot), China (Ulanqab), China (Shenzhen), China (Heyuan), and China (Chengdu).
    • You can copy snapshots among the following regions: China (Hong Kong), Singapore, Australia (Sydney), Malaysia (Kuala Lumpur), Indonesia (Jakarta), Japan (Tokyo), Germany (Frankfurt), UK (London), US (Silicon Valley), US (Virginia), and India (Mumbai).
  • Billing:
    When you copy a snapshot to a new region, a snapshot copy is created. You are charged for copying snapshots and for the storage of the snapshot copy. For more information, see Snapshot.
    Note When a disk snapshot is copied for the first time, all data stored in the disk is copied. All subsequent copies of the snapshot in the same region are incremental copies. Snapshots are billed based on snapshot sizes. Incremental copies can significantly reduce the sizes of snapshots to be copied.
  • A new snapshot that you copy from its source snapshot cannot be used to roll back the disk for which the source snapshot is created.
  • Tags bound to source snapshots cannot be copied together with source snapshots.
  • Encrypted snapshots cannot be copied.
Scenarios:
  • DevOps: You can copy snapshots to start business in new regions or migrate business systems to new regions. This helps you reduce O&M costs and improve data availability.
  • Cross-region backup: Snapshot copying meets the requirements for compliance audit and improvement of business reliability. You can restore your business systems in another region by using new snapshots in the event of a disaster. This reduces recovery time objectives (RTOs) and recovery point objectives (RPOs).
    Note Snapshot copying is fast, and can be used to speed up image copying and eliminate capacity constraints. To copy an image, we recommend that you copy a snapshot and use the snapshot to create an image.

Copy a snapshot

  1. Log on to the ECS console.
  2. In the left-side navigation pane, choose Storage & Snapshots > Snapshots.
  3. In the top navigation bar, select a region.
  4. Find the snapshot to be copied and click Copy Snapshot in the Actions column.
  5. In the Copy Snapshot dialog box, configure the parameters.
    Parameter Description
    Destination Region The region to which the snapshot is copied.
    Snapshot Name The name of the new snapshot.
    Description The description of the new snapshot. We recommend that you enter information such as the purpose and environment of the snapshot to facilitate subsequent management.
    Tag The tag of the new snapshot. The tag can facilitate subsequent management.
  6. Click OK.

Cancel snapshot copying

  1. Log on to the ECS console.
  2. In the left-side navigation pane, choose Storage & Snapshots > Snapshots.
  3. In the top navigation bar, select a region.
  4. Select the snapshot that is being copied and click Delete in the lower part of the page.
  5. In the Delete message, click OK.