<ol>
<li> If ddname <b>UNVTRMDL</b> is defined in the UBROKER started task procedure, a sequential data set is created using the data set allocated to <b>UNVTRMDL</b> as a model.
The dynamically allocated trace data set name is <b>#HLQ.UCT.Dyymmdd.Thhmmss.Cnnnnnnn</b>, where:
<ul>
<li> <b>#HLQ</b> is the data set name allocated on the UNVTRMDL ddname.
<li> <b>*yymmdd</b> is the year, month, and day.
<li> <b>hhmmss</b> is the hour, minute, second the data set was allocated.
<li> <b>nnnnnnn</b> is the last seven digits of the Server's component ID in hexadecimal format.
</ul>
Each time that a server is restarted, its sequence number is incremented. If a server is restarted more than 15 times, tracing is disabled.
<li> If ddname <b>UNVTRMDL</b> is not defined in the UBROKER started task procedure, member name <b>Tnnnnnn</b> is created in the PDS or PDS/E allocated to the <b>UNVTRACE</b> ddname, where:
<ul>
<li> <b>nnnnnnn</b> is the last seven digits of the Server's component ID in hexadecimal format.
<li> <b>s</b> is the component ID's sequence number from 0- F.
</ul>
Each time that a server is restarted, its sequence number is incremented. If a server is restarted more than 15 times, tracing is disabled.
</ol>
Depending on the error condition being diagnosed, it is possible that the member name of the <b>UNVTRACE</b> PDS or PDS/E is not created. If this occurs, the <b>UNVTRMDL</b> ddname must be used to create a sequential data set name. The records written to PDS and PDS/E members cannot be wrapped.
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