You can reestablish a mirror relationship that was broken earlier. You can perform a resynchronization operation to recover from a disaster that disabled the source volume. For Infinite Volumes, the resynchronization operation recovers the volume and its constituents.
Before you begin
The source and destination clusters and the source and destination Storage Virtual Machines (SVMs) must be in peer relationships.
About this task
- When you perform a resynchronization operation, the contents on the mirror destination are overwritten by the contents on the source.
Attention: The resynchronization operation can cause loss of newer data written to the destination volume after the base Snapshot copy was created.
- A resynchronization operation is enabled only when a mirror relationship is broken and is not based on the last transfer error.
However, if the last transfer error recommends a resynchronization operation, you can break the mirror relationship and then perform the resynchronization operation.
- For Infinite Volumes with storage classes, if new constituents have been added to the source Infinite Volume since the mirror relationship was created, you cannot use System Manager to resynchronize the mirror relationship.
Instead, you should use OnCommand Workflow Automation.
- Expand the Storage Virtual Machines hierarchy in the left navigation pane.
- In the navigation pane, select the Storage Virtual Machine (SVM) that contains the destination volume and click Protection.
- Select the mirror relationship that you want to resynchronize.
- Select the confirmation check box and click
- Optional: If you are resynchronizing a mirror relationship between Infinite Volumes, click Run in Background to run the operation in the background.