Hi,

I have some issues with hosted engine (oVirt 3.4 prerelease repo on CentOS 6.5).
My setups is the following:
2 hosts (will be 4 in the future) with 4 GlusterFS shares:
- engine (for hosted engine)
- iso (for ISO domain)
- ovirt (oVirt storage domain)

I had a split-brain situation today (after rebooting both nodes) on hosted-engine.lockspace file on engine GlusterFS volume which I resolved.

hosted engine used engine share via NFS (TCP) as glusterfs isn't supported for oVirt hosted engine, yet. I'll switch to GlusterFS as soon as oVirt will support it (I hope this will be soon as RHEV 3.3 is already supporting GlusterFS for hosted engine).


First of all ovirt-ha-agent fails to start on both nodes:

# service ovirt-ha-agent start
Starting ovirt-ha-agent:                                   [  OK  ]
# service ovirt-ha-agent status
ovirt-ha-agent dead but subsys locked


MainThread::INFO::2014-03-03 11:20:39,539::agent::52::ovirt_hosted_engine_ha.agent.agent.Agent::(run) ovirt-hosted-engine-ha agent 1.1.0 started MainThread::INFO::2014-03-03 11:20:39,590::hosted_engine::223::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_get_hostname) Found certificate common name: 10.0.200.101 MainThread::CRITICAL::2014-03-03 11:20:39,590::agent::103::ovirt_hosted_engine_ha.agent.agent.Agent::(run) Could not start ha-agent
Traceback (most recent call last):
File "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/agent/agent.py", line 97, in run
    self._run_agent()
File "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/agent/agent.py", line 154, in _run_agent
    hosted_engine.HostedEngine(self.shutdown_requested).start_monitoring()
File "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py", line 152, in __init__
    "STOP_VM": self._stop_engine_vm
File "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/agent/state_machine.py", line 56, in __init__
    logger, actions)
File "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/lib/fsm/machine.py", line 93, in __init__
    self._logger = FSMLoggerAdapter(logger, self)
File "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/lib/fsm/machine.py", line 16, in __init__
    super(FSMLoggerAdapter, self).__init__(logger, None)
TypeError: super() argument 1 must be type, not classobj



If I want to start my hosted engine, I receive the following error in vdsm logs, which makes absolutly no sense to me, as there is plenty of disk space available:

Thread-62::DEBUG::2014-03-03 11:24:46,282::libvirtconnection::124::root::(wrapper) Unknown libvirterror: ecode: 38 edom: 42 level: 2 message: Failed to acquire lock: No space left on device Thread-62::DEBUG::2014-03-03 11:24:46,282::vm::2252::vm.Vm::(_startUnderlyingVm) vmId=`f26dd37e-13b5-430c-b2f2-ecd098b82a91`::_ongoingCreations released Thread-62::ERROR::2014-03-03 11:24:46,283::vm::2278::vm.Vm::(_startUnderlyingVm) vmId=`f26dd37e-13b5-430c-b2f2-ecd098b82a91`::The vm start process failed
Traceback (most recent call last):
  File "/usr/share/vdsm/vm.py", line 2238, in _startUnderlyingVm
    self._run()
  File "/usr/share/vdsm/vm.py", line 3159, in _run
    self._connection.createXML(domxml, flags),
File "/usr/lib64/python2.6/site-packages/vdsm/libvirtconnection.py", line 92, in wrapper
    ret = f(*args, **kwargs)
File "/usr/lib64/python2.6/site-packages/libvirt.py", line 2665, in createXML if ret is None:raise libvirtError('virDomainCreateXML() failed', conn=self)
libvirtError: Failed to acquire lock: No space left on device
Thread-62::DEBUG::2014-03-03 11:24:46,286::vm::2720::vm.Vm::(setDownStatus) vmId=`f26dd37e-13b5-430c-b2f2-ecd098b82a91`::Changed state to Down: Failed to acquire lock: No space left on device

# df -h | grep engine
ovirt-host01:/engine 281G 21G 261G 8% /rhev/data-center/mnt/ovirt-host01:_engine

# sudo -u vdsm dd if=/dev/zero of=/rhev/data-center/mnt/ovirt-host01:_engine/2851af27-8744-445d-9fb1-a0d083c8dc82/images/0e4d270f-2f7e-4b2b-847f-f114a4ba9bdc/test bs=512 count=100
100+0 records in
100+0 records out
51200 bytes (51 kB) copied, 0.0230566 s, 2.2 MB/s


Could you give me some information on how to fix the ovirt-ha-agent and then hosted-engine storage issue? Thanks a lot.

Btw, I had some issues during installation which I will explain in separate emails.


--
Best Regards

René Koch
Senior Solution Architect

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LIS-Linuxland GmbH
Brünner Straße 163, A-1210 Vienna

Phone:   +43 1 236 91 60
Mobile:  +43 660 / 512 21 31
E-Mail:  [email protected]
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