GLYPH<SM590000> Key steps and synchronization points in the  clstrmgr .debug list the serial number. GLYPH<SM590000> The serial number is exported as an environmental variable that can be used by  customized event scripts. GLYPH<SM590000> Event preamble, summaries, and some key steps in  hacmp.out  show the serial number. GLYPH<SM590000> In  smit.log , as shown in Example 2-16, which shows the event serial number that is  assigned for the start of the Cluster Manager. GLYPH<SM590000> In  hacmp.out  (Example 2-17), you can trace the progress of the RG move operation for  node 1 by its event serial number of 22422. 42  IBM PowerHA SystemMirror V7.2.3 for IBM AIX and V7.2.2 for Linux Jan 21 2019 19:53:59 EVENT START: rg_move_fence node1 1 <LAT>|2019-01-21T19:53:59|22422\|EVENT START: rg_move_fence node1 1|</LAT> + clcycle clavailability.log . . . . . . Jan 21 2019 19:53:59 EVENT COMPLETED: rg_move_fence node1 1 0 <LAT>|2019-01-21T19:53:59|22422\|EVENT COMPLETED: rg_move_fence node1 1  0|</LAT> + clcycle clavailability.log . . . . . . Jan 22 2019 20:47:26/usr/es/sbin/cluster/utilities/clstart: called with flags  -m -G -i -b -P cl_rc_cluster -C interactive -B -A node2: Jan 22 2019 20:47:49Detected previous unexpected software or node  failure during startup. node2: Collection First Failure Data Capture in directory  /tmp/ibmsupt/hacmp/ffdc.2019.01.22.20.47. node2: Estimating space requirements for First Failure Data Capture. node2: 0513-059 The clevmgrdES Subsystem has been started. Subsystem PID is  14614980. node2: PowerHA: Cluster services started on Tue Jan 22 20:47:51 CST 2019 node2: event serial number 22414 node2: 0513-059 The gsclvmd Subsystem has been started. Subsystem PID is  15794678. node2: Please review the PowerHA SystemMirror logs and report any problems to  IBM Service. node2: Jan 22 2019 20:47:54Completed execution of  /usr/es/sbin/cluster/etc/rc.cluster node2: with parameters: -boot -N -b -i -C interactive -P cl_rc_cluster -A. node2: Exit status = 0 Example 2-16 The smit.log output Example 2-17 The hacmp.out log for node 1 It is intended that the log analyzer and GUI use the event serial number in upcoming  releases. The following examples show the use of the event serial number: