[ https://issues.apache.org/jira/browse/HDFS-12420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ajay Kumar updated HDFS-12420: ------------------------------ Description: Disable NameNode format to avoid accidental formatting of Namenode in production cluster. If someone really wants to delete the complete fsImage they can first delete the metadata dir and then run {code} hdfs namenode -format{code} manually. (was: While Formatting NameNode user should be informed that this will result in complete loss of data. In addition to current message we should display: "This will result in complete loss of all cluster data.") > Disable Namenode format when data already exist > ----------------------------------------------- > > Key: HDFS-12420 > URL: https://issues.apache.org/jira/browse/HDFS-12420 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: Ajay Kumar > > Disable NameNode format to avoid accidental formatting of Namenode in > production cluster. If someone really wants to delete the complete fsImage > they can first delete the metadata dir and then run {code} hdfs namenode > -format{code} manually. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org