[Users] All VMs disappeared

Itamar Heim iheim at redhat.com
Tue Aug 13 15:23:25 UTC 2013


On 08/13/2013 06:20 PM, Jakub Bittner wrote:
> Dne 13.8.2013 17:02, Itamar Heim napsal(a):
>> On 08/13/2013 05:31 PM, Jakub Bittner wrote:
>>> Dne 13.8.2013 15:39, Itamar Heim napsal(a):
>>>> On 08/13/2013 08:50 AM, Jakub Bittner wrote:
>>>>> Dne 12.8.2013 22:44, Itamar Heim napsal(a):
>>>>>> On 08/12/2013 06:59 PM, Jakub Bittner wrote:
>>>>>>> Dne 12.8.2013 14:54, Jakub Bittner napsal(a):
>>>>>>>> Dne 12.8.2013 14:29, Laszlo Hornyak napsal(a):
>>>>>>>>> I looked around Noam's patch and that should not cause such
>>>>>>>>> behavior.
>>>>>>>>> I am wondering how that lost VM's could happen.
>>>>>>>>>
>>>>>>>>> Jakub, can you give a more detailed description what you were
>>>>>>>>> doing
>>>>>>>>> with oVirt when this happened? Maybe the bug is still there.
>>>>>>>>>
>>>>>>>>> Thank you,
>>>>>>>>> Laszlo
>>>>>>>>>
>>>>>>>>> ----- Original Message -----
>>>>>>>>>> From: "Greg Sheremeta" <gshereme at redhat.com>
>>>>>>>>>> To: "Laszlo Hornyak" <lhornyak at redhat.com>
>>>>>>>>>> Cc: "Jakub Bittner" <j.bittner at nbu.cz>, "Noam Slomianko"
>>>>>>>>>> <nslomian at redhat.com>, users at ovirt.org
>>>>>>>>>> Sent: Monday, August 12, 2013 1:23:40 PM
>>>>>>>>>> Subject: Re: [Users] All VMs disappeared
>>>>>>>>>>
>>>>>>>>>> Not the one I fixed, 987907. It was a simple UI
>>>>>>>>>> NullPointerException.
>>>>>>>>>>
>>>>>>>>>> Greg
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> ----- Original Message -----
>>>>>>>>>>> From: "Laszlo Hornyak" <lhornyak at redhat.com>
>>>>>>>>>>> To: "Jakub Bittner" <j.bittner at nbu.cz>, "Noam Slomianko"
>>>>>>>>>>> <nslomian at redhat.com>, "Greg Sheremeta"
>>>>>>>>>>> <gshereme at redhat.com>
>>>>>>>>>>> Cc: users at ovirt.org
>>>>>>>>>>> Sent: Monday, August 12, 2013 7:21:26 AM
>>>>>>>>>>> Subject: Re: [Users] All VMs disappeared
>>>>>>>>>>>
>>>>>>>>>>> Well if they are no longer in DB then that explains why the
>>>>>>>>>>> exception no
>>>>>>>>>>> longer occurs, but at the cost of database corruption.
>>>>>>>>>>> Noam and Greg, can these bugs cause data corruption?
>>>>>>>>>>>
>>>>>>>>>>> Thank you,
>>>>>>>>>>> Laszlo
>>>>>>>>>>>
>>>>>>>>>>> ----- Original Message -----
>>>>>>>>>>>> From: "Jakub Bittner" <j.bittner at nbu.cz>
>>>>>>>>>>>> To: "Greg Sheremeta" <gshereme at redhat.com>
>>>>>>>>>>>> Cc: users at ovirt.org, "Laszlo Hornyak" <lhornyak at redhat.com>
>>>>>>>>>>>> Sent: Monday, August 12, 2013 9:05:09 AM
>>>>>>>>>>>> Subject: Re: [Users] All VMs disappeared
>>>>>>>>>>>>
>>>>>>>>>>>> Dne 10.8.2013 01:54, Greg Sheremeta napsal(a):
>>>>>>>>>>>>> It could also be this bug[1], for which I just submitted a
>>>>>>>>>>>>> fix.
>>>>>>>>>>>>>
>>>>>>>>>>>>> [1] https://bugzilla.redhat.com/show_bug.cgi?id=987907
>>>>>>>>>>>>>
>>>>>>>>>>>>> You can work around it by typing just "VMs:" (without the
>>>>>>>>>>>>> quotes) in
>>>>>>>>>>>>> the
>>>>>>>>>>>>> search bar.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Greg
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> ----- Original Message -----
>>>>>>>>>>>>>> From: "Laszlo Hornyak" <lhornyak at redhat.com>
>>>>>>>>>>>>>> To: "Jakub Bittner" <j.bittner at nbu.cz>
>>>>>>>>>>>>>> Cc: users at ovirt.org
>>>>>>>>>>>>>> Sent: Friday, August 9, 2013 11:21:26 AM
>>>>>>>>>>>>>> Subject: Re: [Users] All VMs disappeared
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Hi Jakub,
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Could you check through DB or REST-API if the VM's are in
>>>>>>>>>>>>>> your
>>>>>>>>>>>>>> DB?
>>>>>>>>>>>>>> select * from vm_static;
>>>>>>>>>>>>>> or
>>>>>>>>>>>>>> curl -u admin at internal:blablabla [engine-url]api/vms
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> It seems Noam fixed this issue already in
>>>>>>>>>>>>>> c2295c31fa645e1ba1b94cd557bd1fecb40c8829.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Thank you,
>>>>>>>>>>>>>> Laszlo
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> ----- Original Message -----
>>>>>>>>>>>>>>> From: "Jakub Bittner" <j.bittner at nbu.cz>
>>>>>>>>>>>>>>> To: users at ovirt.org
>>>>>>>>>>>>>>> Sent: Friday, August 9, 2013 1:06:53 PM
>>>>>>>>>>>>>>> Subject: Re: [Users] All VMs disappeared
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Dne 9.8.2013 09:48, Jakub Bittner napsal(a):
>>>>>>>>>>>>>>>> Hello,
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Iam running ovirt 3.3.0.beta1 on centos 6,4 and all our VMs
>>>>>>>>>>>>>>>> disappeared from VMs tab. Nodes running on centos too.
>>>>>>>>>>>>>>>> Repeating
>>>>>>>>>>>>>>>> problem in log is:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> 2013-08-09 09:44:24,203 WARN
>>>>>>>>>>>>>>>> [org.ovirt.engine.core.vdsbroker.VdsManager]
>>>>>>>>>>>>>>>> (DefaultQuartzScheduler_Worker-45) Failed to refresh VDS ,
>>>>>>>>>>>>>>>> vds =
>>>>>>>>>>>>>>>> 7cb6aedf-47bc-40b0-877f-2a537fca5c64 : node2.x.com, error =
>>>>>>>>>>>>>>>> java.lang.NullPointerException, continuing.:
>>>>>>>>>>>>>>>> java.lang.NullPointerException
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo.proceedGuaranteedMemoryCheck(VdsUpdateRunTimeInfo.java:1313)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo.refreshVmStats(VdsUpdateRunTimeInfo.java:968)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo.refreshVdsRunTimeInfo(VdsUpdateRunTimeInfo.java:542)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo.Refresh(VdsUpdateRunTimeInfo.java:383)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.vdsbroker.VdsManager.OnTimer(VdsManager.java:237)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> sun.reflect.GeneratedMethodAccessor171.invoke(Unknown
>>>>>>>>>>>>>>>> Source) [:1.7.0_25]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [rt.jar:1.7.0_25]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> java.lang.reflect.Method.invoke(Method.java:606)
>>>>>>>>>>>>>>>> [rt.jar:1.7.0_25]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.utils.timer.JobWrapper.execute(JobWrapper.java:60)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [scheduler.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.quartz.core.JobRunShell.run(JobRunShell.java:213)
>>>>>>>>>>>>>>>> [quartz.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:557)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [quartz.jar:]
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> 2013-08-09 09:44:27,039 WARN
>>>>>>>>>>>>>>>> [org.ovirt.engine.core.vdsbroker.VdsManager]
>>>>>>>>>>>>>>>> (DefaultQuartzScheduler_Worker-47) Failed to refresh VDS ,
>>>>>>>>>>>>>>>> vds =
>>>>>>>>>>>>>>>> 653e34a6-6b7e-4757-9042-dc02e7a0cddf : node3.x.com, error =
>>>>>>>>>>>>>>>> java.lang.NullPointerException, continuing.:
>>>>>>>>>>>>>>>> java.lang.NullPointerException
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo.proceedGuaranteedMemoryCheck(VdsUpdateRunTimeInfo.java:1313)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo.refreshVmStats(VdsUpdateRunTimeInfo.java:968)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo.refreshVdsRunTimeInfo(VdsUpdateRunTimeInfo.java:542)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo.Refresh(VdsUpdateRunTimeInfo.java:383)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.vdsbroker.VdsManager.OnTimer(VdsManager.java:237)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> sun.reflect.GeneratedMethodAccessor171.invoke(Unknown
>>>>>>>>>>>>>>>> Source) [:1.7.0_25]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [rt.jar:1.7.0_25]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> java.lang.reflect.Method.invoke(Method.java:606)
>>>>>>>>>>>>>>>> [rt.jar:1.7.0_25]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.ovirt.engine.core.utils.timer.JobWrapper.execute(JobWrapper.java:60)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [scheduler.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.quartz.core.JobRunShell.run(JobRunShell.java:213)
>>>>>>>>>>>>>>>> [quartz.jar:]
>>>>>>>>>>>>>>>>           at
>>>>>>>>>>>>>>>> org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:557)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [quartz.jar:]
>>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>>>> Users mailing list
>>>>>>>>>>>>>>>> Users at ovirt.org
>>>>>>>>>>>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>>>>>>>>> I restarted management node and both nodes and this problem
>>>>>>>>>>>>>>> disappeared.
>>>>>>>>>>>>>>> But I still can not see any VMs.
>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>>> Users mailing list
>>>>>>>>>>>>>>> Users at ovirt.org
>>>>>>>>>>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>> Users mailing list
>>>>>>>>>>>>>> Users at ovirt.org
>>>>>>>>>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>>>>>>>>
>>>>>>>>>>>> Hi,
>>>>>>>>>>>>
>>>>>>>>>>>> I do not have them in database. Both commands shows nothing
>>>>>>>>>>>>
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> we run ovirt 3.2.1 (or 2). I upgraded to RC1, everything was great
>>>>>>>> (except SPICE. VNC and creating new WM due to serialization bug.).
>>>>>>>> Because those bugs were irritating, we switched to nightly. Still
>>>>>>>> works fine (but bug with VMs is not fixed there), than I installed
>>>>>>>> new
>>>>>>>> ovirt engine management server in KVM virtualization (using
>>>>>>>> libvirtd)
>>>>>>>> due to taking snapshots before deploying nightly builds. New
>>>>>>>> virtualized engine works great and I delete old one. Next day I
>>>>>>>> came
>>>>>>>> to work and engine web page was very very slow, every operation
>>>>>>>> takes
>>>>>>>> ages, that time I found there were no VMs, no HDDs and so. I
>>>>>>>> converted
>>>>>>>> its qcow2 image to raw, because I think it has slow DB because of
>>>>>>>> running i qcow2. Did not helped, than I take a look in nodes
>>>>>>>> logs and
>>>>>>>> found this problem, which I posted in first email (VMs still
>>>>>>>> running,
>>>>>>>> but not visible in engine VMs tab, but on host I can see number of
>>>>>>>> running VMs). After restart bug disappeared, but VMs too.
>>>>>>>> Today I reinstalled engine with oVirt 3.3.0rc1. But all my VMs are
>>>>>>>> gone. Even from storage. (but disappearing from storage may be my
>>>>>>>> fault during recovery).
>>>>>>>>
>>>>>>>> I can provide logs from both two nodes and (hopefully) from engine
>>>>>>>> too. I can provide you with those logs, but not publicly. Sorry.
>>>>>>>>
>>>>>>>> Thank you,
>>>>>>>> Jakub Bittner, NSA Czech
>>>>>>>> _______________________________________________
>>>>>>>> Users mailing list
>>>>>>>> Users at ovirt.org
>>>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>
>>>>>>>
>>>>>>> Well I reinstalled to 3.3.0 RC1, rebooted server and my VMs are gone
>>>>>>> again.
>>>>>>> _______________________________________________
>>>>>>> Users mailing list
>>>>>>> Users at ovirt.org
>>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>>
>>>>>> can you verify the db from before the upgrade has the VMs?
>>>>>
>>>>> I dont know what you mean by verify database. Please, could you
>>>>> point me
>>>>> how to do it? Thank you
>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at ovirt.org
>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>
>>>> I assume from your expectation to see the VMs from the previous
>>>> install that you upgraded your system rather than do a clean install?
>>>> in an upgrade, there should be a backup of the db from before the
>>>> upgrade.
>>>> (in a clean install, engine is not aware of VMs running on hosts from
>>>> previous installs - we need to cover "import existing storage domain"
>>>> in a future version to close this gap. current alternatives around
>>>> this are to convert the storage domain to an export domain (for an nfs
>>>> data domain) an re-import them to the system or a few other options.
>>>>
>>>> how many VMs are there?
>>> They(VMs) are deleted. So, my situation is this:
>>>
>>> I have clean install of ovirt 3.3.0beta with imported VMs from export
>>> domain. Everything works except snapshots. But when I restart ovirt mgmt
>>> server, VMs will disappear. Right now I am doing hourly backup of DB.
>>
>> this is very fishy...
>> can you arrange for a remote access session for someone to take a look?
>>
>>>
>>> I can not use workaround with converting domain to export domain,
>>> because we use iscsi. It would be perfect if I can retake existing
>>> domain. Another gap is if I dont detach export domain I can not attach
>>> it to new datacenter and I have to manually edit some files. It would be
>>> absolutely perfect to do it from ovirt web gui (for example by "force
>>> override button")
>>
>> i thought 3.3 allowed for that, but i could be wrong.
>
>
> Well, I will backup all VMs to export domain, than create snapshot of
> ovirt and I will try to restart that server if its going to delete VMs
> from DB. Than I will report back. I think, that remote session will not
> be possible, but I can be wrong (I hope).
>
>

remote session could be via a webex-like, giving control to remote 
person via the webex-like tool - not direct internet connection to the 
machine



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