My Oracle Support Banner

BDA Node Migration Fails to Start During Step 10 StartHadoopServices Due to DataNode Not Starting (Doc ID 2042077.1)

Last updated on DECEMBER 04, 2019

Applies to:

Big Data Appliance Integrated Software - Version 4.2.0 and later
Linux x86-64

Symptoms

NOTE: In the examples that follow, user details, cluster names, hostnames, directory paths, filenames, etc. represent a fictitious sample (and are used to provide an illustrative example only). Any similarity to actual persons, or entities, living or dead, is purely coincidental and not intended in any manner.

  

BDA node migration fails at step 10 StartHadoopServices (starting Hadoop services) due to a DataNode (DN) failing to start.

1. The migration fails with something like:


4. Checking in Cloudera Manager it is observed that a DataNode is down causing hdfs to be in "bad" health.

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.