FAQ
The Host Monitor is a role within the CM Management Service. Can you
confirm that it is setup and running? If it is and you are still
seeing this problem, looking at its log and the log of the CM server
itself -- you can get to both through the CM UI -- should help.

chris
On Fri, Jun 28, 2013 at 11:38 AM, Hao Huang wrote:

On Friday, June 28, 2013 11:25:50 AM UTC-7, Hao Huang wrote:

All nodes show unknown health, and I can't see any status for any roles
due to error "Internal error while querying the Host Monitor".
How to fix this? I'm pretty new to CDH and Hadoop, so I don't know which
log I should show.

my /etc/hosts file for all nodes are

127.0.0.1 localhost
10.0.0.1 node1
10.0.0.2 node2
10.0.0.3 node3
10.0.0.4 node4
10.0.0.5 node5

Additionally, when I try to add service to cluster, all the nodes shows
health status "Good".

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postedJun 28, '13 at 6:25p
activeJun 28, '13 at 7:57p
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Hao Huang: 2 posts Chris Leroy: 1 post

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