GitHub user kiranchavala added a comment to the discussion: VM HA not working when there's an issue with vm restart
@gusmef I had introduced the kernel panic with the following command "echo c > /proc/sysrq-trigger" The kvm host went to alert state and no ha entry was created for the vm under "select * from op_ha_work" <img width="1463" height="187" alt="Image" src="https://github.com/user-attachments/assets/cebf6d24-f48e-4844-9e62-91733916b0be"; /> ``` 2026-06-29 12:34:09,322 INFO [c.c.a.m.ClusteredAgentManagerImpl] (AgentTaskPool-1:[ctx-14c00e81]) (logid:d84d661c) The agent from host Host {"id":1,"name":"Cloudstack-Kvm-Host1","type":"Routing","uuid":"c3b12744-eaa4-44db-b261-3b548fbfb49b"} state determined is Disconnected 2026-06-29 12:34:09,322 WARN [c.c.a.m.ClusteredAgentManagerImpl] (AgentTaskPool-1:[ctx-14c00e81]) (logid:d84d661c) Agent is disconnected but the host is still up: Host {"id":1,"name":"Cloudstack-Kvm-Host1","type":"Routing","uuid":"c3b12744-eaa4-44db-b261-3b548fbfb49b"} state: Enabled 2026-06-29 12:34:09,333 WARN [c.c.a.AlertManagerImpl] (AgentTaskPool-1:[ctx-14c00e81]) (logid:d84d661c) No recipients set in global setting 'alert.email.addresses', skipping sending alert with subject [Host disconnected, name: Cloudstack-Kvm-Host1 (id:c3b12744-eaa4-44db-b261-3b548fbfb49b), availability zone: kiran-home-lab-zone1, pod: pod1] and content [If the agent for host [name: Cloudstack-Kvm-Host1 (id:c3b12744-eaa4-44db-b261-3b548fbfb49b), availability zone: kiran-home-lab-zone1, pod: pod1] is not restarted within alert.wait seconds, host will go to Alert state]. 2026-06-29 12:34:09,334 DEBUG [c.c.a.m.ClusteredAgentManagerImpl] (AgentTaskPool-1:[ctx-14c00e81]) (logid:d84d661c) Deregistering link for AgentAttache {"_id":1,"_name":"Cloudstack-Kvm-Host1","_uuid":"c3b12744-eaa4-44db-b261-3b548fbfb49b"} with state Alert ``` With the fix https://github.com/apache/cloudstack/pull/13373 The host goes into down state and the vm ha is triggered Could you please provide the command you used to trigger the kernel panic and also the values of the global settings ``` "commands.timeout" = ``` GitHub link: https://github.com/apache/cloudstack/discussions/13729#discussioncomment-17810555 ---- This is an automatically sent email for [email protected]. To unsubscribe, please send an email to: [email protected]
