These steps have been successfully tested for below version of Ambari and HDP
Ambari - 2.2.2.X
HDP - 2.2.X/2.3.X/2.4.X
Step 1: Ensure that all the HDFS Components are up and
Step 2: Select HDFS Services à
Click on Service Actions on the top right à
Click on Move Namenode
Step 3: Read the instructions carefully and click on Next
Step 4: Select new target for your Standby NN à Click Next
Step 5: Review the changes and click on Deploy
Step 6: This wizard will stop required services, setup new
NN + ZFKC, Disable HDFS on earlier
Namenode and Start services on New Namenode. Once this step is done à Click Next
Step 7: Follow the
Manual steps given in ‘Manual Commands’ section
Step 8 – Confirm that you have performed all the manual
steps and click on OK
Step 9 – Once confirmed, Ambari will delete earlier Standby
NN and Start all the Services
Hi @Kuldeep Kulkarni
Thanks for this article.
I had customer which had issue because if Maintenance mode is ON, Ambari *silently* fails to change the config.
So could you update this article to make sure the Maintenance Mode is OFF, please?