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Question: How to use HA with only CEPH as primary storage? #13784
Hi. I want to use HA features on my zones, but I only use CEPH as primary storage.
My hypervisors uses RedFish as out-of-band management and are directly reachable from my management servers (and vice versa).
With HA enabled, I got this warning on agent logs (thousands):
2026-08-04 08:12:34,270 WARN [kvm.resource.KVMHAChecker] (pool-26029-thread-1:[]) (logid:) All checks with KVMHAChecker for host IP [10.1.0.2] in pools [] considered it as dead. It may cause a shutdown of the host.
2026-08-04 08:12:35,785 WARN [kvm.resource.KVMHAChecker] (pool-26030-thread-1:[]) (logid:) All checks with KVMHAChecker for host IP [10.1.0.1] in pools [] considered it as dead. It may cause a shutdown of the host.
Maybe I should deploy a CephFS with Ganesha NFS, set it as a primary storage with a tag that no VM uses?
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kiranchavala commentedon Aug 4, 2026
@EduFrazao currently KVM HA provider for host ha is supported only with NFS storage
https://www.shapeblue.com/host-ha-for-kvm-hosts-in-cloudstack/
Please refer to this video if you are looking for other storage types
https://www.youtube.com/watch?v=Ar0_I9JZXSI&t=38s