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https://issues.apache.org/jira/browse/CLOUDSTACK-8628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajani Karuturi resolved CLOUDSTACK-8628.
-----------------------------------------
Resolution: Fixed
Fix Version/s: (was: Future)
resolving based on the commits in the comments
> Ceph RBD only cluster with KVM does not fence properly
> ------------------------------------------------------
>
> Key: CLOUDSTACK-8628
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8628
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Reporter: Wido den Hollander
> Assignee: Wido den Hollander
> Fix For: 4.6.0
>
>
> When a NFS storage pool is present on a KVM cluster that pool is used for
> writing heartbeats to.
> In case of a Ceph (RBD) only cluster such pools are not available and thus
> the KVM hosts do not write any heartbeats.
> Should the KVM Agent crash for any reason they will be fenced of directly and
> this will cause a split-brain situation.
> Fencing should not happen when no NFS storage pool is present as it is
> dangerous for data consistency. A Instance could be running on two hosts at
> the same time.
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