How to Address "hdfs namenode -format" Being Run Accidentally on the Active NameNode of a Healthy Cluster
(Doc ID 2353876.1)
Last updated on JANUARY 21, 2020
Applies to:Big Data Appliance Integrated Software - Version 4.5.0 and later
On a healthy system the following command was accidently run on the Active NameNode host:
The goal of this note is how to verify that no damage was done to the system from that command.
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In this Document
|Specific Background on "hdfs namenode -format"|
|General Background on "Formatting the Namenode"|
|Actions to Confirm Cluster Health|