Thanks @vinayakumarb for the reply,
Seems we are using QJM (3 journal nodes) from 2.6 apache hadoop branch.
<property>
<name>dfs.namenode.shared.edits.dir</name>
<value>
qjournal://<journalnode1>:<port>;<journalnode2>:<port>;<journalnode3>:<port>/<journalId>
</value>
</property>
On Thu, Aug 20, 2015 at 8:05 PM, Vinayakumar B <vinayakum...@apache.org>
wrote:
> Actually SSH fencing was introduced before QuorumJournal was there to
> ensure only one active writer at all times.
>
> If you are using QuorumJournal for shared edits.. you dont need to
> configure SSH fencing. QuorumJournal will ensure its allowing only one
> writer at a time.
>
> -Vinay
>
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