I've seen this happen with the VM disk itself becoming corrupt.  If you try to read the contents of the file, and it gives you "Input/Output Error", then it is not good news.  I've been testing oVirt recently, and these issues alone are preventing me from using it full time.  I cannot help further, unfortunately, as I have no idea how to fix it.  So best I can say is, hopefully someone else chimes in and helps both of us. 

-phunyguy

---

From: ieaster@telvue.com <ieaster@telvue.com>
Sent: Tuesday, February 9, 2021 6:25 PM
To: users@ovirt.org <users@ovirt.org>
Subject: [ovirt-users] Re: HostedEngine VM Paused after power failure

 

Attempting to resume or start the VM doesn't yield any results.

Here is the status of the VM:
Host ID                            : 1
Host timestamp                     : 115601
Score                              : 3400
Engine status                      : {"vm": "up", "health": "bad", "detail": "Paused", "reason": "bad vm status"}
Hostname                           :
Local maintenance                  : False
stopped                            : False
crc32                              : 68efbf40
conf_on_shared_storage             : True
local_conf_timestamp               : 115601
Status up-to-date                  : True
Extra metadata (valid at timestamp):
        metadata_parse_version=1
        metadata_feature_version=1
        timestamp=115601 (Tue Feb  9 18:25:48 2021)
        host-id=1
        score=3400
        vm_conf_refresh_time=115601 (Tue Feb  9 18:25:48 2021)
        conf_on_shared_storage=True
        maintenance=False
        state=EngineStarting
        stopped=False


Here is a chunk in agent.log that is a bit perplexing.  I'm not too sure what it means that the VM doesn't exist.  Storage is correctly mounted, everything looks fully operational.  I can see the HostedEngine disk available to the Host.

MainThread::INFO::2021-02-09 18:08:13,843::hosted_engine::517::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_monitoring_loop) Current state EngineDown (score: 3400)
MainThread::INFO::2021-02-09 18:08:23,864::states::467::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(consume) Engine down and local host has best score (3400), attempting to start engine VM
MainThread::INFO::2021-02-09 18:08:23,894::brokerlink::73::ovirt_hosted_engine_ha.lib.brokerlink.BrokerLink::(notify) Success, was notification of state_transition (EngineDown-EngineStart) sent? ignored
MainThread::INFO::2021-02-09 18:08:23,983::hosted_engine::517::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_monitoring_loop) Current state EngineStart (score: 3400)
MainThread::INFO::2021-02-09 18:08:24,000::hosted_engine::895::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_clean_vdsm_state) Ensuring VDSM state is clear for engine VM
MainThread::INFO::2021-02-09 18:08:24,005::hosted_engine::907::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_clean_vdsm_state) Vdsm state for VM clean
MainThread::INFO::2021-02-09 18:08:24,005::hosted_engine::853::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_start_engine_vm) Starting vm using `/usr/sbin/hosted-engine --vm-start`
MainThread::INFO::2021-02-09 18:08:24,519::hosted_engine::862::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_start_engine_vm) stdout: VM in WaitForLaunch

MainThread::INFO::2021-02-09 18:08:24,519::hosted_engine::863::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_start_engine_vm) stderr: Command VM.getStats with args {'vmID': '74b3c839-c89c-4857-ada0-95715672348a'} failed:
(code=1, message=Virtual machine does not exist: {'vmId': '74b3c839-c89c-4857-ada0-95715672348a'})

MainThread::INFO::2021-02-09 18:08:24,519::hosted_engine::875::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_start_engine_vm) Engine VM started on localhost
MainThread::INFO::2021-02-09 18:08:24,552::brokerlink::73::ovirt_hosted_engine_ha.lib.brokerlink.BrokerLink::(notify) Success, was notification of state_transition (EngineStart-EngineStarting) sent? ignored
MainThread::INFO::2021-02-09 18:08:24,565::hosted_engine::517::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_monitoring_loop) Current state EngineStarting (score: 3400)
MainThread::INFO::2021-02-09 18:08:34,585::states::736::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(consume) VM is powering up..
MainThread::INFO::2021-02-09 18:08:34,590::state_decorators::99::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(check) Timeout set to Tue Feb  9 18:18:34 2021 while transitioning <class 'ovirt_hosted_engine_ha.agent.states.EngineStarting'> -> <class 'ovirt_hosted_engine_ha.agent.states.EngineStarting'>
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