def grow_volume(name, amount)
      begin
        @volume.grow_volume(name, amount)
      rescue => ex
        Util.log_exception(ex, caller_locations(1, 1)[0].label)
        raise ex
      end
    end
def grow_volume(name, amount)
      begin
        @volume.grow_volume(name, amount)
      rescue => ex
        Util.log_exception(ex, caller_locations(1, 1)[0].label)
        raise ex
      end
    end
Grows an existing volume by 'amount' Mebibytes.

 ==== Attributes

 * name - the name of the volume
      type name: String
 * amount: the additional size in MiB to add, rounded up to the next chunklet size (e.g. 256 or 1000 MiB)
      type amount: Integer

 ==== Raises:

 * Hpe3parSdk::HTTPForbidden
        - VV_NOT_IN_SAME_DOMAIN - The volume is not in the same domain.
 * Hpe3parSdk::HTTPNotFound
        - NON_EXISTENT_VOL - The volume does not exist.
 * Hpe3parSdk::HTTPForbidden
        - INV_OPERATION_UNSUPPORTED_VV_TYPE - Invalid operation: Cannot
        grow this type of volume.
 * Hpe3parSdk::HTTPConflict
        - INV_OPERATION_VV_TUNE_IN_PROGRESS - Invalid operation: Volume
       tuning is in progress.
 * Hpe3parSdk::HTTPBadRequest
        - INV_INPUT_EXCEEDS_LENGTH - Invalid input: String length exceeds
        limit.
 * Hpe3parSdk::HTTPBadRequest
        - INV_INPUT_VV_GROW_SIZE - Invalid grow size.
 * Hpe3parSdk::HTTPForbidden
        - VV_NEW_SIZE_EXCEEDS_CPG_LIMIT - New volume size exceeds CPG limit
 * Hpe3parSdk::HTTPForbidden
        - INV_OPERATION_VV_INTERNAL_VOLUME - This operation is not allowed
        on an internal volume.
 * Hpe3parSdk::HTTPConflict
        - INV_OPERATION_VV_VOLUME_CONV_IN_PROGRESS - Invalid operation: VV
        conversion is in progress.
 * Hpe3parSdk::HTTPConflict
        - INV_OPERATION_VV_VOLUME_COPY_IN_PROGRESS - Invalid operation:
        online copy is in progress.
 * Hpe3parSdk::HTTPForbidden
        - INV_OPERATION_VV_CLEANUP_IN_PROGRESS - Internal volume cleanup is
        in progress.
 * Hpe3parSdk::HTTPForbidden
        - VV_IS_BEING_REMOVED - The volume is being removed.
 * Hpe3parSdk::HTTPForbidden
        - VV_IN_INCONSISTENT_STATE - The volume has an internal consistency
        error.
 * Hpe3parSdk::HTTPForbidden
        - VV_SIZE_CANNOT_REDUCE - New volume size is smaller than the
        current size.
 * Hpe3parSdk::HTTPForbidden
        - VV_NEW_SIZE_EXCEEDS_LIMITS - New volume size exceeds the limit.
 * Hpe3parSdk::HTTPConflict
        - INV_OPERATION_VV_SA_SD_SPACE_REMOVED - Invalid operation: Volume
        SA/SD space is being removed.
 * Hpe3parSdk::HTTPConflict
        - INV_OPERATION_VV_IS_BUSY - Invalid operation: Volume is currently
        busy.
 * Hpe3parSdk::HTTPForbidden
        - VV_NOT_STARTED - Volume is not started.
 * Hpe3parSdk::HTTPConflict
        - INV_OPERATION_VV_IS_PCOPY - Invalid operation: Volume is a
        physical copy.
 * Hpe3parSdk::HTTPForbidden
        - INV_OPERATION_VV_NOT_IN_NORMAL_STATE - Volume state is not normal
 * Hpe3parSdk::HTTPConflict
        - INV_OPERATION_VV_PROMOTE_IN_PROGRESS - Invalid operation: Volume
        promotion is in progress.
 * Hpe3parSdk::HTTPConflict
        - INV_OPERATION_VV_PARENT_OF_PCOPY - Invalid operation: Volume is
        the parent of physical copy.
 * Hpe3parSdk::HTTPBadRequest
        - NO_SPACE - Insufficent space for requested operation.