GitHub user wido opened a pull request:

    https://github.com/apache/cloudstack/pull/580

    CLOUDSTACK-8628: kvm: Disable Fencing when no NFS storage pools are p…

    …resent
    
    On NFS we write a heartbeat, but without those we can not safely
    fence off a host.
    
    If we fence without knowing about a heartbeat we can cause a split-brain 
situation.
    
    Signed-off-by: Wido den Hollander <w...@widodh.nl>

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/wido/cloudstack CLOUDSTACK-8628

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/cloudstack/pull/580.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #580
    
----
commit dea553ec69831661bd40237db0c18c4dcd1f86e6
Author: Wido den Hollander <w...@widodh.nl>
Date:   2015-07-13T15:26:00Z

    CLOUDSTACK-8628: kvm: Disable Fencing when no NFS storage pools are present
    
    On NFS we write a heartbeat, but without those we can not safely
    fence off a host.
    
    If we fence without knowing about a heartbeat we can cause a split-brain 
situation.
    
    Signed-off-by: Wido den Hollander <w...@widodh.nl>

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