Use the IXLDISC macro to disconnect from a coupling facility structure. You should specify a reason for disconnecting. If the disconnection is normal, specify REASON=NORMAL. If the disconnection is an attempt to delete the structure, specify REASON=DELETESTR. If the disconnection is part of an error routine, issue REASON=FAILURE. For disconnections that specify REASON=FAILURE, if the connection disposition is KEEP, the connection is placed in a failed-persistent state after all surviving peer connections acknowledge the disconnect. The connection remains defined to the coupling facility.

In order to disconnect from a structure, the requestor must specify the CONTOKEN from the IXLCONN request issued for the structure. The IXLDISC macro must also be issued from the same task that issued the IXLCONN macro for the structure. For more information on IXLDISC, see z/OS MVS Programming: Sysplex Services Guide.