local FULL_ZVOL_NAME2=${POOL_NAME2}/${ZVOL_NAME}
local FULL_SNAP_NAME1=${POOL_NAME1}/${ZVOL_NAME}@${SNAP_NAME}
local FULL_SNAP_NAME2=${POOL_NAME2}/${ZVOL_NAME}@${SNAP_NAME}
local FULL_ZVOL_NAME2=${POOL_NAME2}/${ZVOL_NAME}
local FULL_SNAP_NAME1=${POOL_NAME1}/${ZVOL_NAME}@${SNAP_NAME}
local FULL_SNAP_NAME2=${POOL_NAME2}/${ZVOL_NAME}@${SNAP_NAME}