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Migrating a Failed Mammoth Node with "bdacli admin_cluster migrate <ORIGINAL_MAMMOTH_HOSTNAME>" on BDA 5.2 Fails in Step 1 PreinstallChecks because the One Remaining NameNode Continuously Goes into Safe Mode (Doc ID 2945590.1)

Last updated on MAY 02, 2023

Applies to:

Big Data Appliance Integrated Software - Version 5.2.0 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.

Migrating a failed Mammoth node to another host on BDA 5.2 using the command below fails in Step 1 PreinstallChecks. Note the command is run on the node which will become the new Mammoth node.

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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