Mammoth Migration for the Host with Cloudera Manager Role Fails on Step 3, InstallHadoop, with "Unable to locate Cloudera Manager server keytab file. Please generate it and place it under /opt/oracle/BDAMammoth"
(Doc ID 2860898.1)
Last updated on APRIL 17, 2023
Applies to:Big Data Appliance Integrated Software - Version 4.13.0 and later
Performing a mammoth migration for the host with Cloudera Manager (CM) role, Node 3 by default, on a BDA cluster with AD Kerberos following:
Node 3 Migration and Recommission on Oracle Big Data Appliance V4.11 and Higher (Doc ID 2524859.1)
Node 3 Migration and Reprovision on Oracle Big Data Appliance V4.1 OL6 Hadoop Cluster to Manage a Hardware Failure (Doc ID 1984854.1)
fails in Step 3, InstallHadoop, when executing CopyCMKeyTab.sh on the node where the original CM host is being migrated to with errors like below:
From the trace file: <HOSTNAME1>-<TIMESTAMP>.trc
GridSteps::MsgPrint(‘EE’, ‘Unable to locate Cloudera manager server keytab file. Please ...’) called at MammothSteps/InstallHadoop.pm line 97
MammothSteps::InstallHadoop::InstallHadoop() called at /opt/oracle/BDAMammoth/bdaconfig/GridInst.pl line 390
Note: In the BDA AD Kerberos cluster here, the KDC is the AD server.
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