[Users] hosted engine issues

Martin Sivak msivak at redhat.com
Mon Mar 3 08:05:56 EST 2014


Hi René,

> # python --version
> Python 2.6.6

Then I guess the traceback is my fault...

See http://gerrit.ovirt.org/#/c/25269/ for the fix. I will try to get it into the soonest release possible.

> I can't see a full filesystem here:
> 

Me neither. Is everything Read-Write? Read-Only FS might report no space left as well in some cases. Other than that, I do not know.

Regards
--
Martin Sivák
msivak at redhat.com
Red Hat Czech
RHEV-M SLA / Brno, CZ

----- Original Message -----
> On 03/03/2014 12:05 PM, Martin Sivak wrote:
> > Hi René,
> >
> > thanks for the report.
> >
> >>> TypeError: super() argument 1 must be type, not classobj
> > What Python version are you using?
> 
> # python --version
> Python 2.6.6
> 
> >
> > You can debug a crash of this version of ha-agent using:
> >
> > /usr/share/ovirt-hosted-engine-ha/ovirt-ha-agent --no-daemon --pdb
> 
> This gives me the same information as in vdsm.log
> 
> >
> > But this exception is trying to tell you that
> > FSMLoggerAdapter(logging.LoggerAdapter) does not have object in the
> > ancestor list. And that is very weird.
> >
> > It can be related to the disk space issues.
> >
> >>> libvirtError: Failed to acquire lock: No space left on device
> >
> > Check the free space on all your devices, including /tmp and /var. Or post
> > the output of "df -h" command here
> 
> I can't see a full filesystem here:
> 
> # df -h
> Filesystem               Size  Used Avail Use% Mounted on
> /dev/mapper/vg0-lv_root  5.0G  1.1G  3.6G  24% /
> tmpfs                     16G     0   16G   0% /dev/shm
> /dev/sda1                243M   45M  185M  20% /boot
> /dev/mapper/vg0-lv_data  281G   21G  261G   8% /data
> /dev/mapper/vg0-lv_tmp   2.0G   69M  1.9G   4% /tmp
> /dev/mapper/vg0-lv_var   5.0G  384M  4.3G   9% /var
> ovirt-host01:/engine     281G   21G  261G   8%
> /rhev/data-center/mnt/ovirt-host01:_engine
> 
> 
> Thanks,
> René
> 
> 
> >
> > Regards
> >
> > --
> > Martin Sivák
> > msivak at redhat.com
> > Red Hat Czech
> > RHEV-M SLA / Brno, CZ
> >
> > ----- Original Message -----
> >> Il 03/03/2014 11:33, René Koch ha scritto:
> >>> 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.
> >>
> >> How did you solved it? By switching to NFS only?
> >>
> >>
> >>> 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
> >>
> >> seems like a vdsm failure in starting monitor the hosted engine storage
> >> domain.
> >> Can you attach vdsm logs?
> >>
> >>
> >>
> >>> 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.
> >>>
> >>>
> >>
> >>
> >> --
> >> Sandro Bonazzola
> >> Better technology. Faster innovation. Powered by community collaboration.
> >> See how it works at redhat.com
> >>
> 


More information about the Users mailing list