On Fri, Feb 3, 2017 at 8:42 PM, cmc <iuco...@gmail.com> wrote: > Hi, > > I have some questions about oVirt's high availability features for > VMs. My understanding is that it relies on the engine host to monitor > and manage the hypervisor hosts, so that in the case of a > unrecoverable failure of one those hosts, it will fence the host and > migrate any VM that is designated as highly available to another host > in the cluster. However, if the engine is itself hosted as a VM on a > host that fails, this process cannot take place, as the engine will be > down and cannot initiate monitoring, fencing and migration - is that > correct? >
The hosted-engine has its own HA mechanism. In addition, in 4.1 we are introducing a feature which allows HA without fencing, in a similar manner to hosted-engine - by a lock on the storage side. Y. > There is the option of hosting the engine externally on dedicated > hardware, or on another cluster, but then it is still a single point > of failure. I recall reading about plans for an HA engine in the > future though. > > Can someone tell me what the roadmap is? Is there a plan to put > something like an HA agent on all the hypervisors in the cluster so > there is no single point of failure? > > Thanks for any information, > > Cam > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users >
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