question Re: SmartSense Host Does Not Match in Archives of Support Questions (Read Only)

SmartSense Host Does Not Match

bruce_a_perez — Sun, 18 Aug 2019 11:05:35 GMT

Hi,

I just recently installed smartsense in our server. I would like to ask if how can I resolve this message in my View in Ambari. Every time I open Smartsense View shows this message. See below.

Error Message in SmartSense View

Hostname (hostname -f)

Services Status (Healthy)

Not sure what is the effect of this as all components are healthy.

Appreciate all your help.

Thanks,

Bruce

Re: SmartSense Host Does Not Match

apathak — Tue, 21 Mar 2017 23:52:17 GMT

@Bruce Perez,

1. Can you please provide Ambari and SmartSense version ? Do you have any custom script to identify hostnames for Ambari ?

2. Pls execute this command and share the output : hst list-agents

we need "hostname -f" to be registered smartsense agent and it should also match with ambari-agent.

Re: SmartSense Host Does Not Match

czounaidou — Wed, 22 Mar 2017 01:31:40 GMT

It might be possible that the hostname is not setup properly in that sandbox. May be it might be missing the following line in /etc/hosts file

127.0.1.1 ip-10-69-161-179.dir.svc.accenture.comds.dev.accenture.com

Re: SmartSense Host Does Not Match

bruce_a_perez — Sun, 18 Aug 2019 11:05:16 GMT

Upon checking http://10.69.161.179:8080/api/v1/hosts/, I saw that there is 2 associated hosts.

hst list-agent

Versions

Ambari Version - 2.4.0.1

SmartSense Version - 1.3.0.0-1

Re: SmartSense Host Does Not Match

bruce_a_perez — Wed, 22 Mar 2017 02:22:17 GMT

Do i need to include 127.0.1.1 ip-10-69-161-179.dir.svc.accenture.comds.dev.accenture.com in my /etc/hosts?

Re: SmartSense Host Does Not Match

apathak — Wed, 22 Mar 2017 06:38:17 GMT

The correct content to put in /etc/hosts is :

127.0.0.1 ip-10-69-161-179.dir.svc.accenture.comds.dev.accenture.com

After that verify with command hostname -f. It should show the rectified hostname. Then stop and restart HST Agent as follows:

agent-operation.png

Re: SmartSense Host Does Not Match

bruce_a_perez — Sun, 18 Aug 2019 11:05:03 GMT

@apathak. I tried and same issue. Here's the result and my current config.

/etc/hosts

hostname -f

/etc/sysconfig/network

Let me know if there's incorrect config. 😞

Re: SmartSense Host Does Not Match

apathak — Wed, 22 Mar 2017 07:35:12 GMT

@Bruce Perez,

I thought you wanted to use ip-10-69-161-179.dir.svc.accenture.comds.dev.accenture.com as your hostname. But based on hosts file and network config , it looks like sandbox.hortonworks.com is the intended hostname. So , revert the change I had earlier recommended in /etc/hosts.

Main problem is multiple hostname configured for the same hosts. So , the incorrect host should probably be deleted. What do you see in when you click on Hosts on the top center of ambari view ? Do you see sandbox.hortonworks.com as your hostname ? If yes then, go ahead and use the delete command provided below. replace username, password and clustername.

Here is the command to delete using api :

curl -u [USERNAME]:[PASSWORD] -H "X-Requested-By: ambari" -X DELETE http://10.69.161.179:8080/api/v1/clusters/[CLUSTERNAME]/hosts/ip-10-69-161-179.dir.svc.accenture.comds.dev.accenture.com

Then stop and restart HST Agent as provided in screenshot earlier.

Re: SmartSense Host Does Not Match

bruce_a_perez — Wed, 22 Mar 2017 07:51:48 GMT

@apathak: Thank you for your help. I was able to fix this issue. Cheers!!