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is it neccesery to backup the folder - /var/hadoop/hdfs/namenode/current before HDP upgrade


Dear colleges and friends


I just reviewing on the HDP upgrade hortronworks documentation

but not see the section about backup the folder - /var/hadoop/hdfs/namenode/current

is it necessary to backup the folder - current before HDP upgrade ?


as

tar -zcvf current_bck.tar.gz /var/hadoop/hdfs/namenode/current
-rw-r--r-- 1 root root 9062640 Jul 22 09:28 current_bck.tar.gz


1 ACCEPTED SOLUTION

Expert Contributor
1 REPLY 1

Expert Contributor

Hi,


see this form ambari minor upgrade:


https://docs.hortonworks.com/HDPDocuments/Ambari-2.7.3.0/bk_ambari-upgrade/content/checkpoint_hdfs.h...


Do you have hdfs whit HA enabled?