GitHub user mattmonday88 added a comment to the discussion: KVM HA not 
functioning

> Yes @DaanHoogland based on the experience, VM HA and Host HA do not work 
> together well. For most use cases, just use VM HA ( enable HA on offering). 
> Regarding NFS locking, either avoid locking or use NFSv4, where we haven't 
> seen this issue.

Interesting. It seems there is no real consensus then. This article seems to 
indicate they are used in conjunction.

https://www.shapeblue.com/host-ha-for-kvm-hosts-in-cloudstack/ 

Even here - https://cwiki.apache.org/confluence/display/CLOUDSTACK/Host+HA - 
the statement is "For KVM HOST HA to work effectively it has to work in tandem 
with the existing VM HA framework"

We want to move forward with a configuration that is reliable and works but the 
documentation and guidance here seem to contracict each other. 

GitHub link: 
https://github.com/apache/cloudstack/discussions/12139#discussioncomment-15126129

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