Thanq @Tom McCuch, Thanq so much. Sorry for late response, I have been travelling. ... View more

I understood now that all basic components have to be deployed on available resources and later they should be moved to new nodes as and when they are added into cluster Thanq for your time ... View more

Thank you now the option of enabling HA is seen in 'service options' It could have been simpler if this kind of curl options are provided in GUI with a pasword proected and role based access control. I do understand the sensitivity behind this. thanks again. ... View more

Hi @Artem Ervits ... I have opened new thead in HCC. Below is the link, https://community.hortonworks.com/questions/87491/ambari-server-setup-v2410-error-cannot-import-name.html ... View more

my assumption was correct the datanodes (prbly everynode) will have a uuid which was same and hence this issue, i removed the install software, diectories and files, then reregisterd which worked fine later ... View more

Its a firewall issue, added the firewall rule in amabari server and fixed the password less login issue to register the host. ... View more

i got the similar issues above with HDP2.6 when i run yum -y erase hdp-select on each host, still there exist problem where Using hadoop conf dir: /usr/hdp/current/hadoop-client/conf User Group mapping (user_group) is missing in the hostLevelParams Kindly advise. ... View more

@Neeraj Sabharwal I am still facing the same issue, can you please help. Ambari version been used here is 2.2.2.0 with postgresql 9.2.18 on rhel 7. This happens to us most of the time. I have made sure that agents on all hosts are running and are pointing toward the ambari server, iptables, selinux are disabled. /etc/hosts are updated correctly. I am registering Ambari blueprint via API through Ansible and then cluster creation template also via API through Ansible in automated way. What could be the reason behind this? ... View more