horton network hadoop installation based on HMC tips

1. HMC installation Details :
1. Setup the ssh-shared environment in the cluster nodes [confirm bn nodes ].
2. Ensure the availability of HDD / RAM size [It is very important ]
3. Setup the node [On which we are going to run the HMC ] with browser .
4. Update the FQDN name in all nodes /etc/hosts file.
5. Verify the puppet ssl sign / requests status between HMC server / other nodes
6. If we are not using DNS we can use HMC server name as puppet [Personal opinion / not
required]
7. Download / install epel / hmc repo rpm in HMC node.
rpm -Uvh http://public-repo-1.hortonworks.com/HDP-1.0.0.12/repos/ centos5/epel-release-5-
4.noarch.rpm
rpm -Uvh http://public-repo-1.hortonworks.com/HDP-1.0.0.12/repos/ centos5/hdp-release-
1.0.0.12-1.el5.noarch.rpm
8. Install the per-requesties in all nodes as per the HMC doc.
9. Install hmc in HMC node.
yum install php-pecl-json hmc
10. Once installed start the hmc service .and follow the instructions.
11. If not preferring HMC to download the JDK bin file, Please upload the bin [32,64 jdk ]file in
/var/run/hmc/downloads folder with appropriate permission settings [chown -R apache:puppet]
12. Check the Document root settins in apache.
13. Check the Download permission for jdk files
[curl -I localhost/downloads/jdk_filename, confirm the 200 response]
14. Start the httpd service and access the link from HMC node.
15. http://<hostname for the main installation host>/hmc/html/index.php.
16. Follow-up the installation instruction .
17. At last step calculate the memory to allocate for apps . and make confirm the jdk download
path + java path settings.
LOGS :
1. Verify the /var/log/puppet_agent.log in all nodes getting the proper update or not.
2. Check in HMC node /var/log/hmc/hmc.log
3. [puppet kick got failed is not meaning for puppet is not working . We can confirm with
varify the /var/log/yum.log file]
K.Karthikeyan