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https://issues.apache.org/jira/browse/OOZIE-1988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14116112#comment-14116112
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Purshotam Shah commented on OOZIE-1988:
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This will a tricky task. When cluster is in safe mode and if we introduce a new
host, then it should automatically go in safe mode.
We should create a new path in ZK and all host should listen to it and any
change on node should get reflect to all server.
> In HA, -safemode command should cause all server to go in safe mode
> -------------------------------------------------------------------
>
> Key: OOZIE-1988
> URL: https://issues.apache.org/jira/browse/OOZIE-1988
> Project: Oozie
> Issue Type: Bug
> Reporter: Purshotam Shah
>
> [~]$ oozie admin -servers -oozie http://host1:4080/oozie -auth KERBEROS
> host1 : host1:4080/oozie
> host2 : host2:4080/oozie
> [~]$ oozie admin -systemmode SAFEMODE -oozie http://host1:4080/oozie -auth
> KERBEROS
> System mode: SAFEMODE
> [~]$ oozie admin -status -oozie http://host1:4080/oozie -auth KERBEROS
> System mode: SAFEMODE
> [~]$ oozie admin -status -oozie http://host2:4080/oozie -auth KERBEROS
> System mode: NORMAL
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