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How restore operations work from a SnapVault backup

A restore operation from a SnapVault backup consists of a series of actions performed on a temporary restore relationship and on the secondary volume.

During a restore operation, the following actions occur:

  1. A new temporary relationship is created from the restore source (which is the original SnapVault relationship secondary volume) to the restore destination.

    The temporary relationship is a restore type (RST). The snapmirror show command displays the RST type while the restore operation is in progress.

    The restore destination might be the original SnapVault primary or might be a new SnapVault secondary.

  2. During the restore process, the restore destination volume is changed to read-only.
  3. When the restore operation finishes, the temporary relationship is removed and the restore destination volume is changed to read-write.