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PROBLEM STATEMENT: We have recently added 40 Datnodes added to cluster and they went down immediately after adding. Below was the exception found -

ERROR:

9638-screen-shot-2016-11-19-at-35017-pm.png

ROOT CAUSE:

Customer added the 40nodes to the cluster running rack topology script as per link given -

https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.3.0/bk_hdfs_admin_tools/content/ch05.html

The topology script which was copied by customer from above link was missing "fi" on last line and hence was giving above exception.

9639-screen-shot-2016-11-19-at-40625-pm.png

RESOLUTION: Populated corrected script rack-topology.sh on namenode and datanodes and tried starting the datanodes after which datanode service was able to startup.

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Last update:
‎08-17-2019 07:57 AM
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