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BDA 5.2 Expansion with CA Signed Certificates Fails in Step 7 InstallHadoop, Cloudera Agents Will Not Start (Doc ID 2980248.1)

Last updated on JULY 20, 2024

Applies to:

Big Data Appliance Integrated Software - Version 5.2.0 and later
Linux x86-64

Symptoms

BDA 5.2 expansion with CA signed certificates fails in Step 7 InstallHadoop, due to the cloudera agents being unable to start.

The error looks like:

1. This indicates that the cloudera scm agents on the cluster hosts will not start.

2. Checking /opt/cloudera/security indicates that the CA signed certificates have been overwritten on all cluster hosts. 

Changes

Performing a BDA 5.2 expansion with CA signed certificates.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
 Stop any hive or hdfs replication jobs until the expansion completes.
 Confirm settings in Cloudera Manager (CM)
 Confirm /etc/cloudera-scm-agent/config.ini is intact
 Restore the CA signed certificates on the cluster hosts
 Set up /opt/cloudera/security on the host(s) being expanded into the cluster
 Update /opt/oracle/bda/mammoth-5.2.0/ansible/bdaplaybook/templates/hadoop/enablecmhttps.j2 on the Mammoth node
 Update /opt/oracle/bda/mammoth-5.2.0/ansible/bdaplaybook/templates/hadoop/enablehuehttps.j2 on the Mammoth node
 Resume expansion
References


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