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https://issues.apache.org/jira/browse/CLOUDSTACK-9782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15964098#comment-15964098
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ASF GitHub Bot commented on CLOUDSTACK-9782:
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Github user koushik-das commented on the issue:
https://github.com/apache/cloudstack/pull/1960
@abhinandanprateek Initially I also thought that this is about host HA. But
after reading the FS I had doubts and asked about the definition of "host HA".
If you refer to the discussion on dev@, it was mentioned that "host HA" would
trigger VM HA so that they are started on other hosts. This is the same as
existing VM HA and I don't think we should refer to it as host HA.
@rhtyd I had replied with some specific questions/comments on the
discussion thread. I didn't see any responses on those.
Basically I would like to see a clear definition of "host HA". When a host
is HA'd what all should happen? If the definition provided is nothing but VM HA
then the question comes why a new framework when the existing framework is
already there.
> Host HA
> -------
>
> Key: CLOUDSTACK-9782
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9782
> Project: CloudStack
> Issue Type: New Feature
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Reporter: Rohit Yadav
> Assignee: Rohit Yadav
> Fix For: Future, 4.11.0.0
>
>
> CloudStack lacks a way to reliably fence a host, the idea of the host-ha
> feature is to provide a general purpose HA framework and implementation
> specific for hypervisor that can use additional mechanism such as OOBM (ipmi
> based power management) to reliably investigate, recover and fencing a host.
> This feature can handle scenarios associated with server crash issues and
> reliable fencing of hosts and HA of VM.
> FS: https://cwiki.apache.org/confluence/display/CLOUDSTACK/Host+HA
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