[ovirt-users] [Call for feedback] did you install/update to 4.1.0?

Fri Feb 3 10:28:42 UTC 2017

On Fri, Feb 3, 2017 at 11:17 AM, Sandro Bonazzola <sbonazzo at redhat.com>
wrote:

>
>
> On Fri, Feb 3, 2017 at 10:54 AM, Ralf Schenk <rs at databay.de> wrote:
>
>> Hello,
>>
>> I upgraded my cluster of 8 hosts with gluster storage and
>> hosted-engine-ha. They were already Centos 7.3 and using Ovirt 4.0.6 and
>> gluster 3.7.x packages from storage-sig testing.
>>
>> I'm missing the storage listed under storage tab but this is already
>> filed by a bug. Increasing Cluster and Storage Compability level and also
>> "reset emulated machine" after having upgraded one host after another
>> without the need to shutdown vm's works well. (VM's get sign that there
>> will be changes after reboot).
>>
>> Important: you also have to issue a yum update on the host for upgrading
>> additional components like i.e. gluster to 3.8.x. I was frightened of this
>> step but It worked well except a configuration issue I was responsible for
>> in gluster.vol (I had "transport socket, rdma")
>>
>> Bugs/Quirks so far:
>>
>> 1. After restarting a single VM that used RNG-Device I got an error (it
>> was german) but like "RNG Device not supported by cluster". I hat to
>> disable RNG Device save the settings. Again settings and enable RNG Device.
>> Then machine boots up.
>> I think there is a migration step missing from /dev/random to
>> /dev/urandom for exisiting VM's.
>>
>
> Tomas, Francesco, Michal, can you please follow up on this?
>
>
>
>> 2. I'm missing any gluster specific management features as my gluster is
>> not managable in any way from the GUI. I expected to see my gluster now in
>> dashboard and be able to add volumes etc. What do I need to do to "import"
>> my existing gluster (Only one volume so far) to be managable ?
>>
>
> Sahina, can you please follow up on this?
>
>
>> 3. Three of my hosts have the hosted engine deployed for ha. First all
>> three where marked by a crown (running was gold and others where silver).
>> After upgrading the 3 Host deployed hosted engine ha is not active anymore.
>>
>> I can't get this host back with working ovirt-ha-agent/broker. I already
>> rebooted, manually restarted the services but It isn't able to get cluster
>> state according to
>> "hosted-engine --vm-status". The other hosts state the host status as
>> "unknown stale-data"
>>
>> I already shut down all agents on all hosts and issued a "hosted-engine
>> --reinitialize-lockspace" but that didn't help.
>>
>> Agents stops working after a timeout-error according to log:
>>
>> MainThread::INFO::2017-02-02 19:24:52,040::hosted_engine::8
>> 41::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_get_domain_monitor_status)
>> VDSM domain monitor status: PENDING
>> MainThread::INFO::2017-02-02 19:24:59,185::hosted_engine::8
>> 41::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_get_domain_monitor_status)
>> VDSM domain monitor status: PENDING
>> MainThread::INFO::2017-02-02 19:25:06,333::hosted_engine::8
>> 41::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_get_domain_monitor_status)
>> VDSM domain monitor status: PENDING
>> MainThread::INFO::2017-02-02 19:25:13,554::hosted_engine::8
>> 41::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_get_domain_monitor_status)
>> VDSM domain monitor status: PENDING
>> MainThread::INFO::2017-02-02 19:25:20,710::hosted_engine::8
>> 41::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_get_domain_monitor_status)
>> VDSM domain monitor status: PENDING
>> MainThread::INFO::2017-02-02 19:25:27,865::hosted_engine::8
>> 41::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_get_domain_monitor_status)
>> VDSM domain monitor status: PENDING
>> MainThread::ERROR::2017-02-02 19:25:27,866::hosted_engine::8
>> 15::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_initialize_domain_monitor)
>> Failed to start monitoring domain (sd_uuid=7c8deaa8-be02-4aaf-b9b4-ddc8da99ad96,
>> host_id=3): timeout during domain acquisition
>> MainThread::WARNING::2017-02-02 19:25:27,866::hosted_engine::4
>> 69::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(start_monitoring)
>> Error while monitoring engine: Failed to start monitoring domain
>> (sd_uuid=7c8deaa8-be02-4aaf-b9b4-ddc8da99ad96, host_id=3): timeout
>> during domain acquisition
>> MainThread::WARNING::2017-02-02 19:25:27,866::hosted_engine::4
>> 72::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(start_monitoring)
>> Unexpected error
>> Traceback (most recent call last):
>>   File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
>> line 443, in start_monitoring
>>     self._initialize_domain_monitor()
>>   File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
>> line 816, in _initialize_domain_monitor
>>     raise Exception(msg)
>> Exception: Failed to start monitoring domain
>> (sd_uuid=7c8deaa8-be02-4aaf-b9b4-ddc8da99ad96, host_id=3): timeout
>> during domain acquisition
>> MainThread::ERROR::2017-02-02 19:25:27,866::hosted_engine::4
>> 85::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(start_monitoring)
>> Shutting down the agent because of 3 failures in a row!
>> MainThread::INFO::2017-02-02 19:25:32,087::hosted_engine::8
>> 41::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_get_domain_monitor_status)
>> VDSM domain monitor status: PENDING
>> MainThread::INFO::2017-02-02 19:25:34,250::hosted_engine::7
>> 69::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_stop_domain_monitor)
>> Failed to stop monitoring domain (sd_uuid=7c8deaa8-be02-4aaf-b9b4-ddc8da99ad96):
>> Storage domain is member of pool: u'domain=7c8deaa8-be02-4aaf-b9
>> b4-ddc8da99ad96'
>> MainThread::INFO::2017-02-02 19:25:34,254::agent::143::ovir
>> t_hosted_engine_ha.agent.agent.Agent::(run) Agent shutting down
>>
> Simone, Martin, can you please follow up on this?
>

Ralph, could you please attach vdsm logs from on of your hosts for the
relevant time frame?

>
>
>
>
>>
>>
>> The gluster volume of the engine is mounted corrctly in the host and
>> accessible. Files are also readable etc. No clue what to do.
>>
>> 4. Last but not least: Ovirt is still using fuse to access VM-Disks on
>> Gluster. I know - scheduled for 4.1.1 - but it was already there in 3.5.x
>> and was scheduled for every release since then. I had this feature with
>> opennebula already two years ago and performance is sooo much better.... So
>> please GET IT IN  !
>>
> We're aware of the performance increase, storage and gluster teams are
> working on it. Maybe Sahina or Allon may follow up with current status of
> the feature.
>
>
>
>
>> Bye
>>
>>
>>
>> Am 02.02.2017 um 13:19 schrieb Sandro Bonazzola:
>>
>> Hi,
>> did you install/update to 4.1.0? Let us know your experience!
>> We end up knowing only when things doesn't work well, let us know it
>> works fine for you :-)
>>
>>
>> --
>>
>>
>> *Ralf Schenk*
>> fon +49 (0) 24 05 / 40 83 70 <+49%202405%20408370>
>> fax +49 (0) 24 05 / 40 83 759 <+49%202405%204083759>
>> mail *rs at databay.de* <rs at databay.de>
>>
>> *Databay AG*
>> Jens-Otto-Krag-Straße 11
>> D-52146 Würselen
>> *www.databay.de* <http://www.databay.de>
>>
>> Sitz/Amtsgericht Aachen • HRB:8437 • USt-IdNr.: DE 210844202
>> Vorstand: Ralf Schenk, Dipl.-Ing. Jens Conze, Aresch Yavari, Dipl.-Kfm.
>> Philipp Hermanns
>> Aufsichtsratsvorsitzender: Wilhelm Dohmen
>> ------------------------------
>>
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>>
>
>
> --
> Sandro Bonazzola
> Better technology. Faster innovation. Powered by community collaboration.
> See how it works at redhat.com
>
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