I am having some issues specifically with the Splunk 6.6.0 version and my AWS ELB health checks not going healthy. I wanted to see if it is a one-off issue or others were having the same problems before I open up a Splunk Enterprise Support Case.
The problem, I have a proof of concept environment setup within one of our AWS accounts and recently upgraded it from v6.5 to v6.6.0 to test it out before deploying it. Post upgrade, the following health check, which were were working fine prior to the upgrade, is no longer working.
![alt text][1]
I have attempted to remove the nodes from the original ELB and add them back into it without any luck. I have also deleted the original ELB and re-created it with the same settings as before the upgrade without any luck.
There are only two ways I can get the health check to work properly. The first one is when I change the health check over to TCP:443 instead of HTTPs:443 and the nodes flip over to inservice. That is not an option I want to use as it only watches for a listening port and not that Splunk is running. The second one is if I put Splunk v6.3 or v6.5 instances into the same ELB and those nodes will flip over to inservice.
As a side note, the exact same health checks works fine in a Application ELB but not with the Classic ELB. The problem with that option is we cannot get it working for the Splunk API, another project for later.
Any thoughts? Thanks in advanced for the help!
[1]: /storage/temp/194557-2017-05-17-09-18-35.png
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