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https://issues.apache.org/jira/browse/HADOOP-13759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15903014#comment-15903014
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Steve Loughran commented on HADOOP-13759:
-----------------------------------------

Certainly something to discuss —or it could be moved here. Discussion should be 
on hdfs-dev tho'

FWIW, ssh fencing isn't that reliable, as it only stops the remote service if 
somehow it is considered to have failed, but the remote server is still 
reachable via SSH. STONITH fencing via power supplies is generally state of the 
art, as per [RHAT 
docs|https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/5/html/Configuration_Example_-_Fence_Devices/index.html].
 (Also there's VM-infra hosting with API calls, that's what we used for HA HDFS 
in VMWare)

> Split SFTP FileSystem into its own artifact
> -------------------------------------------
>
>                 Key: HADOOP-13759
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13759
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.7.3
>            Reporter: Andrew Wang
>            Assignee: Yuanbo Liu
>
> As discussed on HADOOP-13696, if we split the SFTP FileSystem into its own 
> artifact, we can save a jsch dependency in Hadoop Common.



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