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intermittent failures in triggering VCSA alarm actions for "VM migrated"

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Hi,

 

I have defined a very simple alarm action in VCSA 5.5 based on "VM migrated" at the Data Center object as the trigger event.

The alarm action is to run a command which invokes a very simple shell script as below:

 

>>>>>>>>>>>>>>>>>>

 

#!/bin/bash

echo `date` ${VMWARE_ALARM_EVENT_VM} migrated to ${VMWARE_ALARM_EVENT_HOST} >> /tmp/VMTestLogs/vMotion.log

 

>>>>>>>>>>>>>>>>>

 

The problem I encountered is that there seems to be intermittent failures in getting the alarm action.

My script is not getting invoked consistently with every vMotion, when I did vMotion back and forth
between the same two hosts:

 

 

vCenter_44:/tmp/VMTestLogs # more /tmp/VMTestLogs/vMotion.log

Fri Sep 12 14:09:43 UTC 2014 EP3_lite (1) migrated to 10.150.44.1

Fri Sep 12 14:15:40 UTC 2014 EP3_lite (1) migrated to 10.150.44.1

Fri Sep 12 16:02:34 UTC 2014 EP3_lite (1) migrated to 10.150.11.1

Fri Sep 12 16:10:26 UTC 2014 EP3_lite (1) migrated to 10.150.44.1

Fri Sep 12 16:21:36 UTC 2014 EP3_lite (1) migrated to 10.150.44.1

Fri Sep 12 16:28:20 UTC 2014 EP3_lite (1) migrated to 10.150.11.1

Fri Sep 12 16:35:09 UTC 2014 EP3_lite (1) migrated to 10.150.44.1

Fri Sep 12 16:50:42 UTC 2014 EP3_lite (1) migrated to 10.150.11.1

Fri Sep 12 17:02:08 UTC 2014 EP3_lite (1) migrated to 10.150.11.1

Fri Sep 12 17:44:07 UTC 2014 EP3_lite (1) migrated to 10.150.44.1

 

The vCenter Events log below shows that even although the alarm of interest always occurred, it did not

always trigger an action:

 

Screen Shot 2014-09-12 at 6.57.26 PM.png

 

Any help would be much appreciated. 

 

Thanks.


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