Active Agent & Host Availability

[mrogers-9898]

Hello,

I'm monitoring Windows agents, I'm using exclusively active checks.

I see that the availability is determined by 3 possibles of the

1. ICMP Ping
2. Key "status"
3. Trigger function nodata()

In my experiments & testing, before I found that active checks only was the best option for my setup, I had a Ping running and because of the firewalls that were in place, 1/3 of the hosts were flagged unavailable.

I've since taken out the ping, and put in place a few nodata() triggers which do their job just great, but they dont appear to effect the availability flag.

So my questions are.

1. Am i missing something for the nodata() to make it toggle the available flag?
2. Can someone point me in the right direction to find some more info on this key status? (and how it can effect availability flag)
3. Is there a manual way to force the flag to available?

Thanks.

[bbrendon]

Since day 1 I have ignored the availability flag. I think you need passive agents for this to work, which I have never used.

Sounds like you got it correct...

[mrogers-9898]

I have found the issue to make the availability flag change with the no data trigger.

Changing the host fields by removing the DNS and putting the Host and Port back to default (0.0.0.0 & 10050) put the check back.

My hosts now correctly display availability correctly.