This message is written to the SYSPRINT data set when tracing is enabled to identify the source and destination LU names relating to the action in the preceding message. It can appear following either EZA5986I, EZA5987I, EZA5988I, or EZA5989I. The indicated OLU name is the originating LU name of the allocation, deallocation, send, or receive identified by the preceding message. The indicated DLU name is the destination LU name.