[Users] All VMs disappeared
Liron Aravot
laravot at redhat.com
Wed Aug 14 07:57:00 UTC 2013
Jakub, are only your vms disappear? what about the disks?
----- Original Message -----
> From: "Laszlo Hornyak" <lhornyak at redhat.com>
> To: "Jakub Bittner" <j.bittner at nbu.cz>
> Cc: users at ovirt.org
> Sent: Wednesday, August 14, 2013 10:39:48 AM
> Subject: Re: [Users] All VMs disappeared
>
>
>
> ----- Original Message -----
> > From: "Jakub Bittner" <j.bittner at nbu.cz>
> > To: users at ovirt.org
> > Sent: Wednesday, August 14, 2013 8:09:45 AM
> > Subject: Re: [Users] All VMs disappeared
> >
> > Dne 13.8.2013 18:29, Laszlo Hornyak napsal(a):
> > > Ahoj Jakub,
> > >
> > > Just one more idea: could you turn statement logging on in postgresql
> > > before you try again?
> > > It is in /var/lib/pgsql/data/postgresql.conf
> > > log_statement = 'all'
> > >
> > >
> > > ----- Original Message -----
> > >> From: "Jakub Bittner" <j.bittner at nbu.cz>
> > >> To: "Itamar Heim" <iheim at redhat.com>
> > >> Cc: users at ovirt.org
> > >> Sent: Tuesday, August 13, 2013 5:20:29 PM
> > >> Subject: Re: [Users] All VMs disappeared
> > >>
> > >> 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).
> > >>
> > >>
> > >> _______________________________________________
> > >> Users mailing list
> > >> Users at ovirt.org
> > >> http://lists.ovirt.org/mailman/listinfo/users
> > >>
> >
> > I change it. But I can not restart postgres.
>
> You can restart it only when the engine is down, it will not restart with
> database connections open.
>
> > _______________________________________________
> > 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
>
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