[ovirt-users] Re: Windows 10 & 2016 snapshot error

[Sandro Bonazzola]

2018-08-09 0:01 GMT+02:00 femi adegoke :

> QEMU guest agent & oVirt Guest Tools 4.2-1.el7.centos are installed
> Applications.
>

What about oVirt Guest Agent?



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> message/NNTEZNMING2JOPWFLEICAFESYCXG26KX/
>



-- 

SANDRO BONAZZOLA

MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV

Red Hat EMEA 

sbona...@redhat.com


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[ovirt-users] Re: Live Migration via NFS

[Douglas Duckworth]

Hi Nir

Thanks for clarifying

We can still use NFS as export domain which can be used to move VM once
they're shutdown?

Can GPFS be used to provide shared block storage domain?

Thanks,

Douglas Duckworth, MSc, LFCS
HPC System Administrator
Scientific Computing Unit
Weill Cornell Medicine
E: d...@med.cornell.edu
O: 212-746-6305
F: 212-746-8690

On Wed, Aug 8, 2018 at 6:34 PM, Nir Soffer  wrote:

> On Wed, Aug 8, 2018 at 4:44 AM Douglas Duckworth 
> wrote:
>
>> Can NFS facilitate live migration in cluster of two hosts each which have
>> NFS mounted?
>>
>> The hosts would have local attached storage which would be the original
>> location of VMs.
>>
>
> We don't support migrating vm migration from local to shared storage, only
> if the disk is
> on shared storage.
>
> Nir
>
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[ovirt-users] Re: Drive letter / scsi id not consistent

[Nathan March]

Hi Greg,

Thanks for the response, I've just written this all up with more detail
here - https://bugzilla.redhat.com/show_bug.cgi?id=1614064

Cheers,
Nathan


On Wed, Aug 8, 2018 at 2:21 PM, Greg Sheremeta  wrote:

> Hi Nathan,
>
> Sounds like a UI problem. Can you post a screenshot just to make sure I'm
> following?
>
> Best wishes,
> Greg
>
>
> On Thu, Jul 19, 2018 at 8:02 PM Nathan March  wrote:
>
>> Hi,
>>
>> Managing disks in the ovirt gui seems completely error prone since the
>> GUI ordering does not seem to be used in any practical way. The scsi ID's
>> are not exposed via the GUI either, so if you have 2 drives of the same
>> size on NFS there's no way to identify which is which without resorting to
>> dumping the xml.
>>
>> I see in the xml that the target dev is correct and matches up with the
>> GUI's drive order, but the scsi unit seems to be generated based on the
>> order of last activated:
>>
>> 
>>   > io='threads'/>
>>   
>>   
>>   
>>   b622cde9-ffc4-487b-8038-f7cb7fbc00a1
>>   
>>   
>>   
>> 
>> 
>>   > io='threads'/>
>>   
>>   
>>   
>>   86765f60-4240-44f4-b437-f22b2cc3df1a
>>   
>>   
>> 
>> 
>>   > io='threads'/>
>>   
>>   
>>   
>>   0b020d24-3dea-4be7-931a-9c25ccfeec48
>>   
>>   
>> 
>>
>> After deactivating the other 2 disks and rebooting the machine, sda has
>> now become unit 3:
>>
>>   
>>   b622cde9-ffc4-487b-8038-f7cb7fbc00a1
>>   
>>   
>>   
>>
>> and then I shutdown, activated the extra 2 drives, booted it back up but
>> now I'm still on unit 3:
>>
>> 
>>   > io='threads'/>
>>   
>>   
>>   
>>   b622cde9-ffc4-487b-8038-f7cb7fbc00a1
>>   
>>   
>>   
>> 
>> 
>>   > io='threads'/>
>>   
>>   
>>   
>>   86765f60-4240-44f4-b437-f22b2cc3df1a
>>   
>>   
>> 
>> 
>>   > io='threads'/>
>>   
>>   
>>   
>>   0b020d24-3dea-4be7-931a-9c25ccfeec48
>>   
>>   
>> 
>>
>> I managed to get things into the correct state by shutting down the VM,
>> deactivating all the disks, then activating them in the order I want them
>> to show up. This sets the correct order of unit 0 for sda, unit 1 for sdb,
>> unit 2 for sdc.
>>
>> Is there some way to make ovirt treat this in a sane way and always
>> expose the scsi devices in the same order as the GUI (and the "target dev"
>> field)?
>>
>> Cheers!
>>
>> Nathan
>> ___
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>> guidelines/
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>> message/F7SQIFHHPR52NS6U52UY7LYUUMOQOSEQ/
>>
>
>
> --
>
> GREG SHEREMETA
>
> SENIOR SOFTWARE ENGINEER - TEAM LEAD - RHV UX
>
> Red Hat NA
>
> 
>
> gsher...@redhat.comIRC: gshereme
> 
>
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[ovirt-users] Re: Live Migration via NFS

[Nir Soffer]

On Wed, Aug 8, 2018 at 4:44 AM Douglas Duckworth 
wrote:

> Can NFS facilitate live migration in cluster of two hosts each which have
> NFS mounted?
>
> The hosts would have local attached storage which would be the original
> location of VMs.
>

We don't support migrating vm migration from local to shared storage, only
if the disk is
on shared storage.

Nir
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[ovirt-users] Re: Windows 10 & 2016 snapshot error

[femi adegoke]

QEMU guest agent & oVirt Guest Tools 4.2-1.el7.centos are installed 
Applications.
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[ovirt-users] Can ping external IPs from VM, but can't curl/resolve DNS (DNS records are set properly)

[sagnik . sasmal2309]

The title says most of it. I'm using Hetzner (host). Possibly some firewall / 
filter messing up. 

vNIC Profiles: https://i.imgur.com/Kf8X8TZ.png
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[ovirt-users] Re: Drive letter / scsi id not consistent

[Greg Sheremeta]

Hi Nathan,

Sounds like a UI problem. Can you post a screenshot just to make sure I'm
following?

Best wishes,
Greg


On Thu, Jul 19, 2018 at 8:02 PM Nathan March  wrote:

> Hi,
>
> Managing disks in the ovirt gui seems completely error prone since the GUI
> ordering does not seem to be used in any practical way. The scsi ID's are
> not exposed via the GUI either, so if you have 2 drives of the same size on
> NFS there's no way to identify which is which without resorting to dumping
> the xml.
>
> I see in the xml that the target dev is correct and matches up with the
> GUI's drive order, but the scsi unit seems to be generated based on the
> order of last activated:
>
> 
>io='threads'/>
>   
>   
>   
>   b622cde9-ffc4-487b-8038-f7cb7fbc00a1
>   
>   
>   
> 
> 
>io='threads'/>
>   
>   
>   
>   86765f60-4240-44f4-b437-f22b2cc3df1a
>   
>   
> 
> 
>io='threads'/>
>   
>   
>   
>   0b020d24-3dea-4be7-931a-9c25ccfeec48
>   
>   
> 
>
> After deactivating the other 2 disks and rebooting the machine, sda has
> now become unit 3:
>
>   
>   b622cde9-ffc4-487b-8038-f7cb7fbc00a1
>   
>   
>   
>
> and then I shutdown, activated the extra 2 drives, booted it back up but
> now I'm still on unit 3:
>
> 
>io='threads'/>
>   
>   
>   
>   b622cde9-ffc4-487b-8038-f7cb7fbc00a1
>   
>   
>   
> 
> 
>io='threads'/>
>   
>   
>   
>   86765f60-4240-44f4-b437-f22b2cc3df1a
>   
>   
> 
> 
>io='threads'/>
>   
>   
>   
>   0b020d24-3dea-4be7-931a-9c25ccfeec48
>   
>   
> 
>
> I managed to get things into the correct state by shutting down the VM,
> deactivating all the disks, then activating them in the order I want them
> to show up. This sets the correct order of unit 0 for sda, unit 1 for sdb,
> unit 2 for sdc.
>
> Is there some way to make ovirt treat this in a sane way and always expose
> the scsi devices in the same order as the GUI (and the "target dev" field)?
>
> Cheers!
>
> Nathan
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>


-- 

GREG SHEREMETA

SENIOR SOFTWARE ENGINEER - TEAM LEAD - RHV UX

Red Hat NA



gsher...@redhat.comIRC: gshereme

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[ovirt-users] Re: Windows 10 & 2016 snapshot error

[Arik Hadas]

On Wed, Aug 8, 2018 at 9:28 PM femi adegoke  wrote:

> Yes the guest agent is running. I have guest control, IP address & fqdn
> show up in the console.
>

Does the gust agent report the applications list inside the VM? (you can
check that in the webadmin)
If it does + this list contains the qemu-guest-agent then you can set the
config value "AgentAppName" accordingly (by default the engine determines
whether the guest agent is installed by checking whether this list contains
either ovirt-guest-agent-common or ovirt-guest-agent).


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[ovirt-users] Re: Windows 10 & 2016 snapshot error

[femi adegoke]

Yes the guest agent is running. I have guest control, IP address & fqdn show up 
in the console.
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[ovirt-users] Re: Windows 10 & 2016 snapshot error

[Greg Sheremeta]

Is the guest agent definitely running?

On Wed, Aug 8, 2018 at 8:46 AM femi adegoke  wrote:

> see attached
>
> On 2018-08-08 05:19, Sandro Bonazzola wrote:
> > Tomas, Michal, can you please follow up?
> >
> > 2018-08-07 1:52 GMT+02:00 femi adegoke :
> >
> >> oVirt Guest Tools 4.2-1.el7.centos & QEMU guest agent v7.5 are
> >> installed.
> >>
> >> When I try & take a snapshot, I get this warning:
> >> "The VM will be paused while saving the memory
> >> Could not detect Guest Agent on the VM.
> >> Note that without a Guest Agent the data on the created snapshot may
> >> be inconsistent."
> >>
> >> What am I missing or doing wrong?
> >> ___
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> >>
> >
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> >> [3]
> >
> > --
> >
> > SANDRO BONAZZOLA
> >
> > MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV
> >
> > Red Hat EMEA [4]
> >
> > sbona...@redhat.com
> >
> >[5]
> >
> >  [6]
> >
> >
> >
> > Links:
> > --
> > [1] https://www.ovirt.org/site/privacy-policy/
> > [2] https://www.ovirt.org/community/about/community-guidelines/
> > [3]
> >
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/ZAQQH4HMHU57WEFLDS24XRSLO7C6E52Y/
> > [4] https://www.redhat.com/
> > [5] https://red.ht/sig
> > [6]
> >
> https://www.redhat.com/en/events/red-hat-open-source-day-italia?sc_cid=701f200RgRyAAK
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-- 

GREG SHEREMETA

SENIOR SOFTWARE ENGINEER - TEAM LEAD - RHV UX

Red Hat NA



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[ovirt-users] Re: python error in syslog of all hosts in new HCI default build

[Jayme]

Accounting to pydoc modules | grep -i vdo there is no python vdo module
installed on any of my oVirt node hosts.  If this is needed what is the
recommended way to install?  I see that oVirt node does not ship with
"pip".  I do not want to risk breaking the python configuration.

Thanks!

On Wed, Aug 8, 2018 at 8:18 AM, Jayme  wrote:

> I'll check that out and let you know. I am not using vdo, so perhaps it's
> possible that the vdo python module does not get installed even though
> apparently it's still needed without vdo present
>
> On Wed, Aug 8, 2018, 1:08 AM Sahina Bose,  wrote:
>
>>
>>
>> On Tue, Aug 7, 2018 at 8:23 PM, Jayme  wrote:
>>
>>> Recently built a three host HCI with oVirt node 4.2.5.  I am seeing the
>>> following error in each hosts syslog often.  What does it mean and how can
>>> it be corrected?
>>>
>>
>> Adding Denis. Can you check if vdo module is available on your hosts?
>> The method is trying to determine the stats for vdo volumes available on
>> hosts - this will be ignored if not present.
>>
>>
>>> vdsm[3470]: ERROR Internal server error#012Traceback (most recent call
>>> last):#012  File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py",
>>> line 606, in _handle_request#012res = method(**params)#012  File
>>> "/usr/lib/python2.7/site-packages/vdsm/rpc/Bridge.py", line 197, in
>>> _dynamicMethod#012result = fn(*methodArgs)#012  File
>>> "/usr/lib/python2.7/site-packages/vdsm/gluster/apiwrapper.py", line 91,
>>> in vdoVolumeList#012return self._gluster.vdoVolumeList()#012  File
>>> "/usr/lib/python2.7/site-packages/vdsm/gluster/api.py", line 90, in
>>> wrapper#012rv = func(*args, **kwargs)#012  File
>>> "/usr/lib/python2.7/site-packages/vdsm/gluster/api.py", line 818, in
>>> vdoVolumeList#012status = self.svdsmProxy.glusterVdoVolumeList()#012
>>> File "/usr/lib/python2.7/site-packages/vdsm/common/supervdsm.py", line
>>> 55, in __call__#012return callMethod()#012  File
>>> "/usr/lib/python2.7/site-packages/vdsm/common/supervdsm.py", line 53,
>>> in #012**kwargs)#012  File "", line 2, in
>>> glusterVdoVolumeList#012  File 
>>> "/usr/lib64/python2.7/multiprocessing/managers.py",
>>> line 773, in _callmethod#012raise convert_to_error(kind,
>>> result)#012AttributeError: 'str' object has no attribute 'iteritems'
>>>
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>>> message/OLPAT5VC6QSJRMAQ4LSTY3YGMCUIHKFN/
>>>
>>>
>>
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[ovirt-users] Re: Windows 10 & 2016 snapshot error

[femi adegoke]

see attached

On 2018-08-08 05:19, Sandro Bonazzola wrote:

Tomas, Michal, can you please follow up?

2018-08-07 1:52 GMT+02:00 femi adegoke :


oVirt Guest Tools 4.2-1.el7.centos & QEMU guest agent v7.5 are
installed.

When I try & take a snapshot, I get this warning:
"The VM will be paused while saving the memory
Could not detect Guest Agent on the VM.
Note that without a Guest Agent the data on the created snapshot may
be inconsistent."

What am I missing or doing wrong?
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[3]


--

SANDRO BONAZZOLA

MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV

Red Hat EMEA [4]

sbona...@redhat.com

 [5]

 [6]



Links:
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[4] https://www.redhat.com/
[5] https://red.ht/sig
[6]
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[ovirt-users] Re: Windows 10 & 2016 snapshot error

[femi adegoke]

This same snapshot error also exists with Linux vm's.

With the Linux vm's the guest agent icon will not go away even though the guest 
agent is installed.."The latest guest agent needs to be installed and running 
on the guest."
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[ovirt-users] Re: Windows 10 & 2016 snapshot error

[Sandro Bonazzola]

Tomas, Michal, can you please follow up?

2018-08-07 1:52 GMT+02:00 femi adegoke :

> oVirt Guest Tools 4.2-1.el7.centos & QEMU guest agent v7.5 are installed.
>
> When I try & take a snapshot, I get this warning:
> "The VM will be paused while saving the memory
> Could not detect Guest Agent on the VM.
> Note that without a Guest Agent the data on the created snapshot may be
> inconsistent."
>
> What am I missing or doing wrong?
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-- 

SANDRO BONAZZOLA

MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV

Red Hat EMEA 

sbona...@redhat.com


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[ovirt-users] Re: python error in syslog of all hosts in new HCI default build

[Jayme]

I'll check that out and let you know. I am not using vdo, so perhaps it's
possible that the vdo python module does not get installed even though
apparently it's still needed without vdo present

On Wed, Aug 8, 2018, 1:08 AM Sahina Bose,  wrote:

>
>
> On Tue, Aug 7, 2018 at 8:23 PM, Jayme  wrote:
>
>> Recently built a three host HCI with oVirt node 4.2.5.  I am seeing the
>> following error in each hosts syslog often.  What does it mean and how can
>> it be corrected?
>>
>
> Adding Denis. Can you check if vdo module is available on your hosts?
> The method is trying to determine the stats for vdo volumes available on
> hosts - this will be ignored if not present.
>
>
>> vdsm[3470]: ERROR Internal server error#012Traceback (most recent call
>> last):#012  File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py",
>> line 606, in _handle_request#012res = method(**params)#012  File
>> "/usr/lib/python2.7/site-packages/vdsm/rpc/Bridge.py", line 197, in
>> _dynamicMethod#012result = fn(*methodArgs)#012  File
>> "/usr/lib/python2.7/site-packages/vdsm/gluster/apiwrapper.py", line 91, in
>> vdoVolumeList#012return self._gluster.vdoVolumeList()#012  File
>> "/usr/lib/python2.7/site-packages/vdsm/gluster/api.py", line 90, in
>> wrapper#012rv = func(*args, **kwargs)#012  File
>> "/usr/lib/python2.7/site-packages/vdsm/gluster/api.py", line 818, in
>> vdoVolumeList#012status = self.svdsmProxy.glusterVdoVolumeList()#012
>> File "/usr/lib/python2.7/site-packages/vdsm/common/supervdsm.py", line 55,
>> in __call__#012return callMethod()#012  File
>> "/usr/lib/python2.7/site-packages/vdsm/common/supervdsm.py", line 53, in
>> #012**kwargs)#012  File "", line 2, in
>> glusterVdoVolumeList#012  File
>> "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in
>> _callmethod#012raise convert_to_error(kind, result)#012AttributeError:
>> 'str' object has no attribute 'iteritems'
>>
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>>
>>
>
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[ovirt-users] oVirt 4.2.6 + GlusterFS

[radu]

Hello,

I have 24 HP DL360 G7 all with 64G RAM and 1TB SAS disks.

What I want to archive is to use all the nodes with ovirt (one will be for the 
controller + iso domain) and use GluterFS in the same nodes for the storage 
domain.

Idk if anyone tried it before, but I want it to replace my actual "standalone" 
production hypervisors schema.

Thanks in advance
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[ovirt-users] Re: Fwd: Upgraded to 4.2

[Raz Tamir]

Could you please attach the engine logs?

On Tue, Aug 7, 2018 at 7:11 PM, nreaction  wrote:

>
> I recently updated to 4.2 and when I restarted ovirt it started shutting
> down all my guests on host servers, how can I disable ovirt not to do that?
>
>
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>


-- 


Raz Tamir
Manager, RHV QE
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[ovirt-users] Fwd: Upgraded to 4.2

[nreaction]

I recently updated to 4.2 and when I restarted ovirt it started shutting
down all my guests on host servers, how can I disable ovirt not to do that?
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