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Initializing a SnapMirror destination by using tape

For an initial, baseline transfer for a SnapMirror relationship, you might want to perform the transfer using a tape. After copying the base data to the tape, you need to copy the data from the tape to the intended destination, and initialize the destination.

Steps

  1. Create a volume on the SnapMirror destination system.
    For more information about how to create a volume, see the Data ONTAP Storage Management Guide for 7-Mode.
  2. Put the volume in the restricted state. For more information about how to restrict a volume, see the Data ONTAP Storage Management Guide for 7-Mode.
  3. Load the tape (made with smtape backup) into the destination system’s local tape device.
  4. Start the initialization by using the smtape restore command on the destination system.
  5. If the system prompts you for another tape, add the next tape to the drive and continue the initialization by using the smtape continue command.
  6. Repeat the previous step until the volume is completely copied from the tape.
  7. Optional: You can update the data online manually with the following command: snapmirror update [-k n] -S source_system:source_volume [dest_system:]dest_volume
    -k n sets the maximum transfer speed to n kilobytes per second. This option has the same effect as the kbs argument in the /etc/snapmirror.conf file.

    -S source_system:source_volume specifies the source system and volume for the migration. source_volume is the volume you want to copy.

    dest_system is the name of the destination system.

    dest_volume is the destination volume.

    Note: Alternatively, you can update the baseline transfer automatically with the schedule you set in the /etc/snapmirror.conf file.