You can dynamically add or move independent LUs with the VARY DRDS command or the VARY ACT command with the UPDATE operand. You can also dynamically change operand values in an independent LU with the VARY ACT,UPDATE=ALL command. For a dynamic reconfiguration add or move, or for dynamically changing operand values, the processing takes place as shown in Table 1. For further information, see the z/OS Communications Server: SNA Resource Definition Reference.