[Users] All VMs disappeared

Itamar Heim iheim at redhat.com
Mon Aug 12 16:44:28 EDT 2013 

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?

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