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Spit balling about a specific Windows service on an HA pair of pollers...

So here's the thing. We have several HA pairs of pollers including the primary poller. Our server team utilise BMC Patrol Agent to monitor the health of the server but we also utilise an edited version of it for generating what we call heartbeats. Essentially an alert is created by the man active poller every 5m which is in a set format. The BMC Patrol SOLW' agent picks this up and drops it into BMC. If it misses 2 in a row an incident is raised for the server team to initially look at..

All well and good until you have to restart the server and forget (because you were never told this) to re-start this service.

So, I'm into thinking about one of two options ...

1. Create an alert that identifies which is the active HA partner and check, and if necessary, start this service.

2. Alternatively, create a script/batch file/start up process that identifies which is the HA master and kickstarts the service.

The initial issue I have with either of these ideas is how to automate the identifying of the HA master. The secondary issue is the how to do this in an alert (which seems to me to be the most obvious/easiest way).

Thoughts?

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Comments

stuartd

These THWACK threads may help as options:

- https://thwack.solarwinds.com/product-forums/network-performance-monitor-npm/f/forum/16454/restart-specific-windows-service-on-alarm

issue here, as I see it, would be in how to create the logic in the trigger to identify the active box and then trigger the script to start the service

- https://thwack.solarwinds.com/product-forums/network-performance-monitor-npm/f/forum/88846/palo-alto-ha-state-change-alert

this could work if I could identify what to put in the custom property. It speaks about triggering on the contents of a specific OID, but as far as I know, the HA status doesn't have that but I may be wrong.

- https://thwack.solarwinds.com/product-forums/the-orion-platform/f/orion-sdk/90942/is-there-a-way-to-determine-the-active-node-in-a-ha-pool/289868#289868

This one seems the most promising and I hadn't found it prior to me starting this discussion. I'm guessing now but we should be able to query what server is active [looks like the Priority field is best option] and then somehow take that as a variable and then push that variable into a script to go off and start said service.

In fact, probably best if it could somehow identify if the state has changed to 0 and then go off and start the service.

sum_giais

There's a built-in alert that can be leveraged for these cases if I'm reading and understanding correctly.

It's a pre-built alert that will need to be copied and adjusted for your needs but the nuts and bolts are there. It's there to provide an example of updating AWS I believe. Basically whenever a SolarWinds HA failover occurs it triggers for the active HA pool member. I used it at one point to update an Infoblox Grid with the active members IP address on the respective vIP's of the HA pool in DNS via PowerShell here: https://thwack.solarwinds.com/product-forums/scalability-engines/f/forum/2634/solarwinds-high-availability-update-infoblox-dns-record

Not sure if this is what you were getting at but I hope it helps sir.

Cheers!

stuartd

Thank you.

Why is it, that no matter how much I looked or tried to search things I don't seem to fid them until they are pointed out? So, having now looked at the alert, it appears that may well be perfect - we just need to either adjust the Powershell script sample to go and start the service OR create a call to an external Powershell script.

Not being a scripter I'm not sure which approach is best as we also need to ensure it is not running on the standby box.

But, muchas gracias, merci, diolch thank you ...