Don't storage leases solve that problem? I seem to recall a HA VM also works when (gets restarted on other node) a hypervisor completely loses power, ie there is no response on the fencing device. I'd expect it to work the same without a fencing device.


Greetings

Klaas


On 10/11/22 11:46, Martin Perina wrote:
Hi,

there is no other way how to provide reliable HA VMs in oVirt wihout any hardware power management. If your servers don't provide any HW power management (such as IPMI, ILO, DRAC, ...), then the only option is to attach their power supply inputs through UPS with remote access and use apc fencing driver to restart servers using UPS.

Martin


On Tue, Oct 11, 2022 at 9:41 AM samuel.xhu@horebdata.cn <samuel.xhu@horebdata.cn> wrote:
Dear Ovirt folks,

I am thinking of deploly an experimental Ovirt 3-node Cluster on servers without IPMI. As far i know, Ovirts needs each host to have fence agent working for any HA virtual machine. My question is, are there any other ways in Ovirt to support fencing without using IPMI?

thanks a lot,

Samuel 


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Martin Perina
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