Re: [ovirt-users] How to best view remote console via macosX

[Darrell Budic]

https://www.ovirt.org/develop/release-management/features/virt/novnc-console/

> From: Jayme Fall 
> Subject: Re: [ovirt-users] How to best view remote console via macosX
> Date: November 3, 2017 at 5:24:24 PM CDT
> To: Darrell Budic
> 
> How is web based VNC supported?  Do you need to install any specific 
> components, when I launch console from ovirt admin it just prompts to 
> download VV file. 
> 
>> On Nov 3, 2017, at 5:54 PM, Darrell Budic > > wrote:
>> 
>> I find using the web based VNC is the simplest from my mac. You can extract 
>> data from a console.vv file and open it with any VNC software on a mac, even 
>> Screen Sharing, but you have to enter the IP & port manually.  I’m not aware 
>> of any spice solutions at this moment, but i haven’t looked for one in a 
>> while.
>> 
>>> From: Jayme Fall >
>>> Subject: [ovirt-users] How to best view remote console via macosX
>>> Date: November 3, 2017 at 3:06:29 PM CDT
>>> To: users@ovirt.org 
>>> 
>>> I’m wondering what the best method is to get overt console support working 
>>> from a MacOSx device.  I have tried opening console.vv files using vnc 
>>> client as well as remote viewer and have not had any luck thus far.  Overt 
>>> is version 4.1.4
>>> 
>>> Thanks!
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>>> http://lists.ovirt.org/mailman/listinfo/users 
>>> 
>> 
> 

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Re: [ovirt-users] How to best view remote console via macosX

[Darrell Budic]

I find using the web based VNC is the simplest from my mac. You can extract 
data from a console.vv file and open it with any VNC software on a mac, even 
Screen Sharing, but you have to enter the IP & port manually.  I’m not aware of 
any spice solutions at this moment, but i haven’t looked for one in a while.

> From: Jayme Fall 
> Subject: [ovirt-users] How to best view remote console via macosX
> Date: November 3, 2017 at 3:06:29 PM CDT
> To: users@ovirt.org
> 
> I’m wondering what the best method is to get overt console support working 
> from a MacOSx device.  I have tried opening console.vv files using vnc client 
> as well as remote viewer and have not had any luck thus far.  Overt is 
> version 4.1.4
> 
> Thanks!
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[ovirt-users] How to best view remote console via macosX

[Jayme Fall]

I’m wondering what the best method is to get overt console support working from 
a MacOSx device.  I have tried opening console.vv files using vnc client as 
well as remote viewer and have not had any luck thus far.  Overt is version 
4.1.4

Thanks!
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Re: [ovirt-users] oVirt management has lost its SSL.

[~Stack~]

On 11/03/2017 01:17 PM, ~Stack~ wrote:
> On 11/03/2017 12:48 PM, Alexander Wels wrote:

>> But if all else fails you should be able to create a fresh engine, and after 
>> you have added a host, you should be able to import the existing storage 
>> domain (like you noted the VMs are still there).
>>
>>
> Greetings,
> Thanks, but I've tried that too. Even though it did delete the keystore,
> I ended up with the exact same error. :-(
> 
> I'm doing a fresh install right now. I've never done an import like this
> before. I just connect the fresh install to one of my hosts and I can
> import the others hosts/vms/configurations?
> 
> Thanks!
> ~Stack~
> 
> 

Bender: Are we boned?
Leela: Yeah, we're boned


So I built a new management host from scratch. I added one of my hosts,
and immediately crashed the vm's running on that hypervisor (they all
just stopped responding). I don't know why they didn't fail over, but
they didn't. Oh well. At least the other hypervisor is up!

So I tried following this guide to import my storage domain from the
section "Disaster Recovery flows" for "Import file Storage Domain".

https://www.ovirt.org/develop/release-management/features/storage/importstoragedomain/

Yeah. That didn't work. It says it can't find any other domains to
import, but if I attempt to create a new one it says it can't because
there are existing domains!

Well, while I was poking at it the other VM's started acting up (crazy
high latency and the ovirt logs were really pissed at me). So I shut off
the ones that still responded, then shut down the other hypervisor. I
backed up the VM's on my NFS share, and created a new directory for the
data domain.

Guess I'm rebuilding my environment from scratch. I just hope I can get
some of the VM's to come back some how. :-/

~Stack~




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Re: [ovirt-users] [ANN] oVirt 4.2.0 First Beta Release is now available for testing

[Yaniv Kaul]

On Fri, Nov 3, 2017 at 12:46 AM, Arman Khalatyan  wrote:

> I just tested the new 4.2, looks new shiny UI, thanks.
>
> I would like to join to Jiris statement, ovirt should become more
> stable, clean and useful.
> The right or left clicks  or UI designs, mobile friendly or not,those
> futures are the secondary tasks for me.
> For those who would like to manage the vms from the mobile devices
> they can use mOvirt app.
> I wish that the development team will concentrate on the main
> advertised futures to make them stable.
> as a user I wish that the following points can make it stronger:
> - please make a ovirt as a  FULL HA solution
> - one of the weak points of the ovirt is a spm, this should go away in
> the first point, not the right click one:).
>

This is a bit more complex than you assume.


> - hosts management like a foreman, but without foreman.
>

This makes no sense whatsoever. We'd like to integrate with best of breed
projects, not replace them.


> - strong solution with a multirail HA storage
>

I'm not familiar with the term - can you expand on this?


> - move hosts complete to disk-less infrastructure, easy to scale-up
>

Boot from SAN for example?


> - scheduled backup solution integrated in the gui/api
>

Again, I assume a separate utility can probably do a better job.


> - reasonable reports,( similar like dwd in 3.6)
>

Metrics are in the works with Elastic and Kibana. DWH is still there.


> Most of the points are almost done, but we have always hire or there
> half-solved problems.
>

Patches are welcome, of course.
Y.


>
>
> Greetings from Potsdam,
> Arman.
>
> PS
> an Ovirt user since 3.x
> 8hosts >50Vms
> 4hosts > 6VMS
> 10G,IB,RDMA.
> looking to deploy ovirt on a cluster environment on user demand.
>
> On Thu, Nov 2, 2017 at 9:34 PM, Jiří Sléžka  wrote:
> > On 10/31/2017 06:57 PM, Oved Ourfali wrote:
> >> As mentioned earlier, this is one motivation but not the only one. You
> >> see right click less and less in web applications, as it isn't
> >> considered a good user experience. This is also the patternfly guideline
> >> (patternfly is a framework we heavily use throughout the application).
> >>
> >> We will however consider bringing this back if there will be high
> demand.
> >
> > I'm using right click time to time, but for me is much more important
> > clean, simple and compatible UI. Especially if this means it will be
> > possible to simple select and copy any text or log messages from UI.
> > This is my biggest pain when interacting with manager.
> >
> > Cheers, Jiri
> >
> >>
> >> Thanks for the feedback!
> >> Oved
> >>
> >> On Oct 31, 2017 7:50 PM, "Darrell Budic"  >> > wrote:
> >>
> >> Agreed. I use the right click functionality all the time and will
> >> miss it. With 70+ VMs, I may check status in a mobile interface, but
> >> I’m never going to use it for primary work. Please prioritize ease
> >> of use on Desktop over Mobile!
> >>
> >>
> >>> 
> 
> >>> *From:* FERNANDO FREDIANI  >>> >
> >>> *Subject:* Re: [ovirt-users] [ANN] oVirt 4.2.0 First Beta Release
> >>> is now available for testing
> >>> *Date:* October 31, 2017 at 11:59:20 AM CDT
> >>> *To:* users@ovirt.org 
> >>>
> >>>
> >>> On 31/10/2017 13:43, Alexander Wels wrote:
> >
> > Will the right click dialog be available in the final release?
> > Because,
> > currently in 4.2 we need to go at the up right corner to
> > interact with
> > object (migrate, maintenance...)
> >
>  Short answer: No, we removed it on purpose.
> 
>  Long answer: No, here are the reasons why:
>  - We are attempting to get the UI more mobile friendly, and while
>  its not 100%
>  there yet, it is actually quite useable on a mobile device now.
>  Mobile devices
>  don't have a right click, so hiding functionality in there would
>  make no
>  sense.
> >>> Please don't put mobile usage over Desktop usage. While mobile
> >>> usage is nice to have in "certain" situations. In real day by day
> >>> operation nobody uses mobile devices to do their deployments and
> >>> manage their large environments. If having both options where you
> >>> can switch between then is nice, but if something should prevail
> >>> should always be Desktop. We are not talking about a Stock Trading
> >>> interface or something you need that level or flexibility and
> >>> mobility to do static things anytime anywhere.
> >>>
> >>> So I beg you to consider well before remove things which are
> >>> pretty useful for a day by day and real management usage because
> >>> of a new trend or buzz stuff.
> >>> 

Re: [ovirt-users] oVirt management has lost its SSL.

[~Stack~]

On 11/03/2017 12:48 PM, Alexander Wels wrote:
> 
> AFAIC engine-setup will create the files needed. Try running engine-cleanup 
> and maybe it will remove everything needed and then running engine-setup 
> again?
> 
> But if all else fails you should be able to create a fresh engine, and after 
> you have added a host, you should be able to import the existing storage 
> domain (like you noted the VMs are still there).
> 
> 
Greetings,
Thanks, but I've tried that too. Even though it did delete the keystore,
I ended up with the exact same error. :-(

I'm doing a fresh install right now. I've never done an import like this
before. I just connect the fresh install to one of my hosts and I can
import the others hosts/vms/configurations?

Thanks!
~Stack~




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Re: [ovirt-users] oVirt management has lost its SSL.

[Alexander Wels]

On Friday, November 3, 2017 1:41:00 PM EDT ~Stack~ wrote:
> On 11/03/2017 12:23 PM, Alexander Wels wrote:
> > On Friday, November 3, 2017 1:15:27 PM EDT ~Stack~ wrote:
> >> Greetings,
> >> 
> >> I'm seriously just grasping at straws here. I took a spare hard drive,
> >> tossed it in the management host, and did a fresh install. It did not
> >> like me trying to add it into the existing infrastructure. Tried to dump
> >> the DB from the old to the new, update the passwords, and pretty much
> >> ended up in the same place.
> >> 
> >> I did check the .trustedkeystore and it has the same 1 key as my
> >> original back up. So that isn't the issue.
> >> 
> >> Still poking at it. Would love some thoughts/feedback.
> >> 
> >> Thanks!
> >> ~Stack~
> > 
> > Running engine-setup on the engine machine should re-generate the keys.
> 
> Thanks for the suggestion. I've tried that. Twice. Still the same error.
> 
> "Keystore was tampered with, or password was incorrect."
> 
> From digging around in the logs, it looks like it is trying to access
> /etc/pki/ovirt-engine/.trustedstore but the password found in the ovirt
> configs works just fine. So I know it is not a password issue.
> 
> I've been trying to figure out how that file is created so I can
> possibly generate a new one, but no luck so far.
> 
> Thanks!
> ~Stack~

AFAIC engine-setup will create the files needed. Try running engine-cleanup 
and maybe it will remove everything needed and then running engine-setup 
again?

But if all else fails you should be able to create a fresh engine, and after 
you have added a host, you should be able to import the existing storage 
domain (like you noted the VMs are still there).

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Re: [ovirt-users] oVirt management has lost its SSL.

[~Stack~]

On 11/03/2017 12:23 PM, Alexander Wels wrote:
> On Friday, November 3, 2017 1:15:27 PM EDT ~Stack~ wrote:
>> Greetings,
>>
>> I'm seriously just grasping at straws here. I took a spare hard drive,
>> tossed it in the management host, and did a fresh install. It did not
>> like me trying to add it into the existing infrastructure. Tried to dump
>> the DB from the old to the new, update the passwords, and pretty much
>> ended up in the same place.
>>
>> I did check the .trustedkeystore and it has the same 1 key as my
>> original back up. So that isn't the issue.
>>
>> Still poking at it. Would love some thoughts/feedback.
>>
>> Thanks!
>> ~Stack~
>>
> 
> Running engine-setup on the engine machine should re-generate the keys.

Thanks for the suggestion. I've tried that. Twice. Still the same error.

"Keystore was tampered with, or password was incorrect."

From digging around in the logs, it looks like it is trying to access
/etc/pki/ovirt-engine/.trustedstore but the password found in the ovirt
configs works just fine. So I know it is not a password issue.

I've been trying to figure out how that file is created so I can
possibly generate a new one, but no luck so far.

Thanks!
~Stack~




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Re: [ovirt-users] oVirt management has lost its SSL.

[Alexander Wels]

On Friday, November 3, 2017 1:15:27 PM EDT ~Stack~ wrote:
> Greetings,
> 
> I'm seriously just grasping at straws here. I took a spare hard drive,
> tossed it in the management host, and did a fresh install. It did not
> like me trying to add it into the existing infrastructure. Tried to dump
> the DB from the old to the new, update the passwords, and pretty much
> ended up in the same place.
> 
> I did check the .trustedkeystore and it has the same 1 key as my
> original back up. So that isn't the issue.
> 
> Still poking at it. Would love some thoughts/feedback.
> 
> Thanks!
> ~Stack~
> 

Running engine-setup on the engine machine should re-generate the keys.

> On 11/03/2017 09:30 AM, ~Stack~ wrote:
> > Greetings,
> > 
> > Please, I would greatly appreciate some help/feedback. I'm not sure what
> > else to do.
> > 
> > I reverted the .trustedstore to the only backup I have, and there is one
> > key in it. That too gets flagged by oVirt as having been tampered with
> > (I'm guessing oVirt added something that isn't there any more). The
> > password is correct as I can verify it from the oVirt config file on the
> > command line.
> > 
> > I'm out of ideas on fixing this. What happens to my oVirt hypervisors
> > and VM's if I rebuild the management engine host from scratch?
> > 
> > Thanks!
> > ~Stack~
> > 
> > On 11/02/2017 04:18 PM, ~Stack~ wrote:
> >> Greetings,
> >> 
> >> OS: Scientific Linux 7.4
> >> oVirt: 4.1
> >> Everything fully updated.
> >> 
> >> Everything was working great. I received my new network card today to
> >> upgrade my ovirt management node (physical node; not self-hosted), took
> >> the machine down, swapped the card, and brought it up to many many
> >> errors.
> >> 
> >> Here's the basic break-down of my discoveries.
> >> 
> >> 1) My /etc/pki/ovirt-engine/.trustedstore was corrupt. I had lots of
> >> messages in my engine.log about it being corrupt. Restored from backup,
> >> and oVirt engine was really peeved for not having my domain cert in it
> >> (tons of messages in the engine.log file)...figured out how to add my
> >> domain cert and it seemed OK. Which led me to...
> >> 
> >> 2) My /etc/pki/ovirt-engine/keys/engine.p12 and
> >> /etc/pki/ovirt-engine/keys/apache.p12 are _gone_. Don't have them in my
> >> backups either. This results in a massive java dump when I try to start
> >> the engine service.
> >> 
> >> 3) I noticed that I had
> >> /etc/pki/ovirt-engine/keys/engine.p12.201711021302 which is a time stamp
> >> corresponding to when I shut the node down. Then I noticed, that I was
> >> missing dang near EVERY file in /etc/pki/ovirt-engine but I had an
> >> equivalent file with the ".201711021302" extension. So a touch of bash
> >> and I copied all of my "*.201711021302" files with the proper
> >> user/group/permissions into their base name. Hooray! No more errors in
> >> the log files and all services start!!
> >> 
> >> 4) I open my web browser and head to my management host...and I get this
> >> error:
> >> Keystore was tampered with, or password was incorrect
> >> 
> >> Well...yeah. I had to fix it in step one. :-/
> >> 
> >> I'm not getting anything useful out of my Internet searching. I don't
> >> know what went wrong or why, but my SSL is just borked.
> >> 
> >> Any suggestions? Thoughts? Ideas?
> >> 
> >> Is there a way to just blow away and start over with the SSL _without_
> >> destroying the VM's (which fortunately they all seem to still be
> >> functional!)?
> >> 
> >> Any help would be greatly appreciated.
> >> Thanks!
> >> ~Stack~


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Re: [ovirt-users] oVirt management has lost its SSL.

[~Stack~]

Greetings,

I'm seriously just grasping at straws here. I took a spare hard drive,
tossed it in the management host, and did a fresh install. It did not
like me trying to add it into the existing infrastructure. Tried to dump
the DB from the old to the new, update the passwords, and pretty much
ended up in the same place.

I did check the .trustedkeystore and it has the same 1 key as my
original back up. So that isn't the issue.

Still poking at it. Would love some thoughts/feedback.

Thanks!
~Stack~



On 11/03/2017 09:30 AM, ~Stack~ wrote:
> Greetings,
> 
> Please, I would greatly appreciate some help/feedback. I'm not sure what
> else to do.
> 
> I reverted the .trustedstore to the only backup I have, and there is one
> key in it. That too gets flagged by oVirt as having been tampered with
> (I'm guessing oVirt added something that isn't there any more). The
> password is correct as I can verify it from the oVirt config file on the
> command line.
> 
> I'm out of ideas on fixing this. What happens to my oVirt hypervisors
> and VM's if I rebuild the management engine host from scratch?
> 
> Thanks!
> ~Stack~
> On 11/02/2017 04:18 PM, ~Stack~ wrote:
>> Greetings,
>>
>> OS: Scientific Linux 7.4
>> oVirt: 4.1
>> Everything fully updated.
>>
>> Everything was working great. I received my new network card today to
>> upgrade my ovirt management node (physical node; not self-hosted), took
>> the machine down, swapped the card, and brought it up to many many errors.
>>
>> Here's the basic break-down of my discoveries.
>>
>> 1) My /etc/pki/ovirt-engine/.trustedstore was corrupt. I had lots of
>> messages in my engine.log about it being corrupt. Restored from backup,
>> and oVirt engine was really peeved for not having my domain cert in it
>> (tons of messages in the engine.log file)...figured out how to add my
>> domain cert and it seemed OK. Which led me to...
>>
>> 2) My /etc/pki/ovirt-engine/keys/engine.p12 and
>> /etc/pki/ovirt-engine/keys/apache.p12 are _gone_. Don't have them in my
>> backups either. This results in a massive java dump when I try to start
>> the engine service.
>>
>> 3) I noticed that I had
>> /etc/pki/ovirt-engine/keys/engine.p12.201711021302 which is a time stamp
>> corresponding to when I shut the node down. Then I noticed, that I was
>> missing dang near EVERY file in /etc/pki/ovirt-engine but I had an
>> equivalent file with the ".201711021302" extension. So a touch of bash
>> and I copied all of my "*.201711021302" files with the proper
>> user/group/permissions into their base name. Hooray! No more errors in
>> the log files and all services start!!
>>
>> 4) I open my web browser and head to my management host...and I get this
>> error:
>> Keystore was tampered with, or password was incorrect
>>
>> Well...yeah. I had to fix it in step one. :-/
>>
>> I'm not getting anything useful out of my Internet searching. I don't
>> know what went wrong or why, but my SSL is just borked.
>>
>> Any suggestions? Thoughts? Ideas?
>>
>> Is there a way to just blow away and start over with the SSL _without_
>> destroying the VM's (which fortunately they all seem to still be
>> functional!)?
>>
>> Any help would be greatly appreciated.
>> Thanks!
>> ~Stack~
>>
>>
> 
> 
> 





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Re: [ovirt-users] oVirt management has lost its SSL.

[~Stack~]

Greetings,

Please, I would greatly appreciate some help/feedback. I'm not sure what
else to do.

I reverted the .trustedstore to the only backup I have, and there is one
key in it. That too gets flagged by oVirt as having been tampered with
(I'm guessing oVirt added something that isn't there any more). The
password is correct as I can verify it from the oVirt config file on the
command line.

I'm out of ideas on fixing this. What happens to my oVirt hypervisors
and VM's if I rebuild the management engine host from scratch?

Thanks!
~Stack~
On 11/02/2017 04:18 PM, ~Stack~ wrote:
> Greetings,
> 
> OS: Scientific Linux 7.4
> oVirt: 4.1
> Everything fully updated.
> 
> Everything was working great. I received my new network card today to
> upgrade my ovirt management node (physical node; not self-hosted), took
> the machine down, swapped the card, and brought it up to many many errors.
> 
> Here's the basic break-down of my discoveries.
> 
> 1) My /etc/pki/ovirt-engine/.trustedstore was corrupt. I had lots of
> messages in my engine.log about it being corrupt. Restored from backup,
> and oVirt engine was really peeved for not having my domain cert in it
> (tons of messages in the engine.log file)...figured out how to add my
> domain cert and it seemed OK. Which led me to...
> 
> 2) My /etc/pki/ovirt-engine/keys/engine.p12 and
> /etc/pki/ovirt-engine/keys/apache.p12 are _gone_. Don't have them in my
> backups either. This results in a massive java dump when I try to start
> the engine service.
> 
> 3) I noticed that I had
> /etc/pki/ovirt-engine/keys/engine.p12.201711021302 which is a time stamp
> corresponding to when I shut the node down. Then I noticed, that I was
> missing dang near EVERY file in /etc/pki/ovirt-engine but I had an
> equivalent file with the ".201711021302" extension. So a touch of bash
> and I copied all of my "*.201711021302" files with the proper
> user/group/permissions into their base name. Hooray! No more errors in
> the log files and all services start!!
> 
> 4) I open my web browser and head to my management host...and I get this
> error:
> Keystore was tampered with, or password was incorrect
> 
> Well...yeah. I had to fix it in step one. :-/
> 
> I'm not getting anything useful out of my Internet searching. I don't
> know what went wrong or why, but my SSL is just borked.
> 
> Any suggestions? Thoughts? Ideas?
> 
> Is there a way to just blow away and start over with the SSL _without_
> destroying the VM's (which fortunately they all seem to still be
> functional!)?
> 
> Any help would be greatly appreciated.
> Thanks!
> ~Stack~
> 
> 





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Re: [ovirt-users] Issue with a LACP bond interface.

[Derek Atkins]

Gianluca Cecchi  writes:

> On Thu, Nov 2, 2017 at 2:45 PM, CRiMSON  wrote:
>
> What is the *proper* way. Cause I've come across quite a few different
> ways reading on this how to get it done. Some say do it by hand, others
> say never do it by hand use the vdsClient, others say do it this way. I
> mean between forum posts, blogs, it seems there are multiple ways to do
> this. With no concrete "This is how you should do it"
>
> Through the GUI in admin portal. Main page about logical network i here:
> https://ovirt.org/documentation/admin-guide/chap-Logical_Networks/
>
> Near the end of the page there is the section regarding Bonds, how to create
> them and also how to configure with particular customization.

That works if you want to add to the bond.  It doesn't work if you want
to completely remove/change the bond (because -- oops -- you'll lose
connectivity)!

> HIH,
> Gianluca

-derek
-- 
   Derek Atkins 617-623-3745
   de...@ihtfp.com www.ihtfp.com
   Computer and Internet Security Consultant
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Re: [ovirt-users] Host in kdumping state

[Davide Ferrari]

On 02/11/17 12:00, Davide Ferrari wrote:
I've got a faulty host that keeps rebooting itself from time to time 
(due to HW issues), that is/was part of the 3 hosts group hosting the 
HostedEngine, and now it always appears as "Kdumping" in the web 
administration panel. 


Hello again

no idea anybody about at least how to reset this "kdumping" status?

Thanks

--
Davide Ferrari
Lead System Engineer
Billy Performance Network

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Re: [ovirt-users] [ANN] oVirt 4.2.0 First Beta Release is now available for testing

[Robert O'Kane]

-1 for mobile usability over desktop

Please keep the "Richt Click" Funktion.



On 11/03/2017 12:47 PM, FERNANDO FREDIANI wrote:

+1 for complete diskless hosts
-1 for mobile usability over desktop :-)

Regards
Fernando



--
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Systems Administrator
Kunsthochschule für Medien Köln
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Re: [ovirt-users] [ANN] oVirt 4.2.0 First Beta Release is now available for testing

[Oved Ourfali]

On Nov 3, 2017 13:48, "FERNANDO FREDIANI"  wrote:

+1 for complete diskless hosts
-1 for mobile usability over desktop :-)


That was mentioned as one motivation, but as I've explained earlier it is
definitely not the main one.

Regards,
Oved


Regards
Fernando


On 02/11/2017 20:46, Arman Khalatyan wrote:

> I just tested the new 4.2, looks new shiny UI, thanks.
>
> I would like to join to Jiris statement, ovirt should become more
> stable, clean and useful.
> The right or left clicks  or UI designs, mobile friendly or not,those
> futures are the secondary tasks for me.
> For those who would like to manage the vms from the mobile devices
> they can use mOvirt app.
> I wish that the development team will concentrate on the main
> advertised futures to make them stable.
> as a user I wish that the following points can make it stronger:
> - please make a ovirt as a  FULL HA solution
> - one of the weak points of the ovirt is a spm, this should go away in
> the first point, not the right click one:).
> - hosts management like a foreman, but without foreman.
> - strong solution with a multirail HA storage
> - move hosts complete to disk-less infrastructure, easy to scale-up
> - scheduled backup solution integrated in the gui/api
> - reasonable reports,( similar like dwd in 3.6)
> Most of the points are almost done, but we have always hire or there
> half-solved problems.
>
>
> Greetings from Potsdam,
> Arman.
>
> PS
> an Ovirt user since 3.x
> 8hosts >50Vms
> 4hosts > 6VMS
> 10G,IB,RDMA.
> looking to deploy ovirt on a cluster environment on user demand.
>
> On Thu, Nov 2, 2017 at 9:34 PM, Jiří Sléžka  wrote:
>
>> On 10/31/2017 06:57 PM, Oved Ourfali wrote:
>>
>>> As mentioned earlier, this is one motivation but not the only one. You
>>> see right click less and less in web applications, as it isn't
>>> considered a good user experience. This is also the patternfly guideline
>>> (patternfly is a framework we heavily use throughout the application).
>>>
>>> We will however consider bringing this back if there will be high demand.
>>>
>> I'm using right click time to time, but for me is much more important
>> clean, simple and compatible UI. Especially if this means it will be
>> possible to simple select and copy any text or log messages from UI.
>> This is my biggest pain when interacting with manager.
>>
>> Cheers, Jiri
>>
>> Thanks for the feedback!
>>> Oved
>>>
>>> On Oct 31, 2017 7:50 PM, "Darrell Budic" >> > wrote:
>>>
>>>  Agreed. I use the right click functionality all the time and will
>>>  miss it. With 70+ VMs, I may check status in a mobile interface, but
>>>  I’m never going to use it for primary work. Please prioritize ease
>>>  of use on Desktop over Mobile!
>>>
>>>
>>>  ---
 -
  *From:* FERNANDO FREDIANI >
  *Subject:* Re: [ovirt-users] [ANN] oVirt 4.2.0 First Beta Release
  is now available for testing
  *Date:* October 31, 2017 at 11:59:20 AM CDT
  *To:* users@ovirt.org 


  On 31/10/2017 13:43, Alexander Wels wrote:

>  Will the right click dialog be available in the final release?
>>  Because,
>>  currently in 4.2 we need to go at the up right corner to
>>  interact with
>>  object (migrate, maintenance...)
>>
>>  Short answer: No, we removed it on purpose.
>
>  Long answer: No, here are the reasons why:
>  - We are attempting to get the UI more mobile friendly, and while
>  its not 100%
>  there yet, it is actually quite useable on a mobile device now.
>  Mobile devices
>  don't have a right click, so hiding functionality in there would
>  make no
>  sense.
>
  Please don't put mobile usage over Desktop usage. While mobile
  usage is nice to have in "certain" situations. In real day by day
  operation nobody uses mobile devices to do their deployments and
  manage their large environments. If having both options where you
  can switch between then is nice, but if something should prevail
  should always be Desktop. We are not talking about a Stock Trading
  interface or something you need that level or flexibility and
  mobility to do static things anytime anywhere.

  So I beg you to consider well before remove things which are
  pretty useful for a day by day and real management usage because
  of a new trend or buzz stuff.
  Right click is always on popular on Desktop enviroments and will
  be for quite a while.

>  - You can now right click and get the browsers menu instead of
>  ours and you

Re: [ovirt-users] Messed up upgrade to 4.2. Solution badly needed.

[FERNANDO FREDIANI]

oVirt upgrades between versions (major or minor) has always been a bit 
difficult for some people, including me. It would be nice if this could 
be more extensively tested before release. As people are mostly eager to 
upgrade this can be benefitial to dev team to gather even more feedback 
from early adopters.


Regards
Fernando Frediani


On 03/11/2017 10:21, Marcin Jessa wrote:

Hi guys.

I have VM with hosted engine and a two node setup. When beta came out I was 
“OH! New shiny tech! Let’s try it!”. You all know the feeling.
Unfortunately the upgrade process did not go as expected.
I created a backup of my 4.1 installation and started to upgrade the VM. All 
went well. I then migrated all the running VMs to my second node put the 
cluster in global maintenance mode and updated one of the nodes.
Then I run hosted-engine —upgrade-appliance on the node but it fails:

[ ERROR ] Failed to execute stage 'Environment customization': exceptions must 
be old-style classes or derived from BaseException, not str

The log file says:
2017-11-03 13:12:48,259+0100 DEBUG otopi.context context._executeMethod:143 
method exception
Traceback (most recent call last):
   File "/usr/lib/python2.7/site-packages/otopi/context.py", line 133, in 
_executeMethod
 method['method']()
   File 
"/usr/share/ovirt-hosted-engine-setup/scripts/../plugins/gr-he-upgradeappliance/engine/misc.py",
 line 180, in _check_spm
 'Unable to find this host in the engine, '
TypeError: exceptions must be old-style classes or derived from BaseException, 
not str
2017-11-03 13:12:48,259+0100 ERROR otopi.context context._executeMethod:152 
Failed to execute stage 'Environment customization': exceptions must be 
old-style classes or derived from BaseException, not str
2017-11-03 13:12:48,260+0100 DEBUG otopi.context context.dumpEnvironment:821 
ENVIRONMENT DUMP - BEGIN
2017-11-03 13:12:48,260+0100 DEBUG otopi.context context.dumpEnvironment:831 
ENV BASE/error=bool:'True'
2017-11-03 13:12:48,260+0100 DEBUG otopi.context context.dumpEnvironment:831 ENV 
BASE/exceptionInfo=list:'[(, TypeError('exceptions must 
be old-style classes or derived from BaseException, not str',), )]'
2017-11-03 13:12:48,261+0100 DEBUG otopi.context context.dumpEnvironment:835 
ENVIRONMENT DUMP - END

I can login to the hosted engine but the nodes are down, the VMs are down and 
the storage is not connected.

Can you please advice what to do now?
Is there a way to upgrade my setup?
Should I disconnect my second node, which is also upgraded to 4.2 now and try 
to install hosted engine from scratch?
Anything else I can do to save my VMs?


Cheers
Marcin.
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[ovirt-users] Messed up upgrade to 4.2. Solution badly needed.

[Marcin Jessa]

Hi guys.

I have VM with hosted engine and a two node setup. When beta came out I was 
“OH! New shiny tech! Let’s try it!”. You all know the feeling.
Unfortunately the upgrade process did not go as expected. 
I created a backup of my 4.1 installation and started to upgrade the VM. All 
went well. I then migrated all the running VMs to my second node put the 
cluster in global maintenance mode and updated one of the nodes.
Then I run hosted-engine —upgrade-appliance on the node but it fails:

[ ERROR ] Failed to execute stage 'Environment customization': exceptions must 
be old-style classes or derived from BaseException, not str

The log file says:
2017-11-03 13:12:48,259+0100 DEBUG otopi.context context._executeMethod:143 
method exception
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/otopi/context.py", line 133, in 
_executeMethod
method['method']()
  File 
"/usr/share/ovirt-hosted-engine-setup/scripts/../plugins/gr-he-upgradeappliance/engine/misc.py",
 line 180, in _check_spm
'Unable to find this host in the engine, '
TypeError: exceptions must be old-style classes or derived from BaseException, 
not str
2017-11-03 13:12:48,259+0100 ERROR otopi.context context._executeMethod:152 
Failed to execute stage 'Environment customization': exceptions must be 
old-style classes or derived from BaseException, not str
2017-11-03 13:12:48,260+0100 DEBUG otopi.context context.dumpEnvironment:821 
ENVIRONMENT DUMP - BEGIN
2017-11-03 13:12:48,260+0100 DEBUG otopi.context context.dumpEnvironment:831 
ENV BASE/error=bool:'True'
2017-11-03 13:12:48,260+0100 DEBUG otopi.context context.dumpEnvironment:831 
ENV BASE/exceptionInfo=list:'[(, 
TypeError('exceptions must be old-style classes or derived from BaseException, 
not str',), )]'
2017-11-03 13:12:48,261+0100 DEBUG otopi.context context.dumpEnvironment:835 
ENVIRONMENT DUMP - END

I can login to the hosted engine but the nodes are down, the VMs are down and 
the storage is not connected.

Can you please advice what to do now? 
Is there a way to upgrade my setup?
Should I disconnect my second node, which is also upgraded to 4.2 now and try 
to install hosted engine from scratch?
Anything else I can do to save my VMs?


Cheers
Marcin.
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Re: [ovirt-users] [ANN] oVirt 4.2.0 First Beta Release is now available for testing

[FERNANDO FREDIANI]

+1 for complete diskless hosts
-1 for mobile usability over desktop :-)

Regards
Fernando

On 02/11/2017 20:46, Arman Khalatyan wrote:

I just tested the new 4.2, looks new shiny UI, thanks.

I would like to join to Jiris statement, ovirt should become more
stable, clean and useful.
The right or left clicks  or UI designs, mobile friendly or not,those
futures are the secondary tasks for me.
For those who would like to manage the vms from the mobile devices
they can use mOvirt app.
I wish that the development team will concentrate on the main
advertised futures to make them stable.
as a user I wish that the following points can make it stronger:
- please make a ovirt as a  FULL HA solution
- one of the weak points of the ovirt is a spm, this should go away in
the first point, not the right click one:).
- hosts management like a foreman, but without foreman.
- strong solution with a multirail HA storage
- move hosts complete to disk-less infrastructure, easy to scale-up
- scheduled backup solution integrated in the gui/api
- reasonable reports,( similar like dwd in 3.6)
Most of the points are almost done, but we have always hire or there
half-solved problems.


Greetings from Potsdam,
Arman.

PS
an Ovirt user since 3.x
8hosts >50Vms
4hosts > 6VMS
10G,IB,RDMA.
looking to deploy ovirt on a cluster environment on user demand.

On Thu, Nov 2, 2017 at 9:34 PM, Jiří Sléžka  wrote:

On 10/31/2017 06:57 PM, Oved Ourfali wrote:

As mentioned earlier, this is one motivation but not the only one. You
see right click less and less in web applications, as it isn't
considered a good user experience. This is also the patternfly guideline
(patternfly is a framework we heavily use throughout the application).

We will however consider bringing this back if there will be high demand.

I'm using right click time to time, but for me is much more important
clean, simple and compatible UI. Especially if this means it will be
possible to simple select and copy any text or log messages from UI.
This is my biggest pain when interacting with manager.

Cheers, Jiri


Thanks for the feedback!
Oved

On Oct 31, 2017 7:50 PM, "Darrell Budic" > wrote:

 Agreed. I use the right click functionality all the time and will
 miss it. With 70+ VMs, I may check status in a mobile interface, but
 I’m never going to use it for primary work. Please prioritize ease
 of use on Desktop over Mobile!



 
 *From:* FERNANDO FREDIANI >
 *Subject:* Re: [ovirt-users] [ANN] oVirt 4.2.0 First Beta Release
 is now available for testing
 *Date:* October 31, 2017 at 11:59:20 AM CDT
 *To:* users@ovirt.org 


 On 31/10/2017 13:43, Alexander Wels wrote:

 Will the right click dialog be available in the final release?
 Because,
 currently in 4.2 we need to go at the up right corner to
 interact with
 object (migrate, maintenance...)


 Short answer: No, we removed it on purpose.

 Long answer: No, here are the reasons why:
 - We are attempting to get the UI more mobile friendly, and while
 its not 100%
 there yet, it is actually quite useable on a mobile device now.
 Mobile devices
 don't have a right click, so hiding functionality in there would
 make no
 sense.

 Please don't put mobile usage over Desktop usage. While mobile
 usage is nice to have in "certain" situations. In real day by day
 operation nobody uses mobile devices to do their deployments and
 manage their large environments. If having both options where you
 can switch between then is nice, but if something should prevail
 should always be Desktop. We are not talking about a Stock Trading
 interface or something you need that level or flexibility and
 mobility to do static things anytime anywhere.

 So I beg you to consider well before remove things which are
 pretty useful for a day by day and real management usage because
 of a new trend or buzz stuff.
 Right click is always on popular on Desktop enviroments and will
 be for quite a while.

 - You can now right click and get the browsers menu instead of
 ours and you
 can do things like copy from the menu.
 - We replicated all the functionality from the menu in the
 buttons/kebab menu
 available on the right. Our goal was to have all the commonly
 used actions as
 a button, and less often used actions in the kebab to declutter
 the interface.
 We traded an extra click for some mouse travel
 - Lots of people didn't realize there even was a right click menu
 because its
 a web interface, and they couldn't find some functionality that
 was only
 available in the right click menu.

 Now that being said, we 

Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Martin Sivak]

Hi,

cockpit is enabled by default when you use ovirt-node. You will
probably have to install the necessary cockpit packages yourself on
pure CentOS - you will need cockpit and ovirt + gdeploy cockpit
plugins (sadly I do not recall the exact package names).

With regards to arbiter and the wizard.. I really do not know, but I
will alert my colleagues who might have more detailed knowledge of the
gluster part.

Denis, Sahina: can you please help me here?

Best regards

Martin Sivak

On Fri, Nov 3, 2017 at 11:29 AM, Artem Tambovskiy
 wrote:
> Thanks for an article, Martin!
> Any chance to configure a third cost to act as GlusterFS Arbitr only using
> this wizard?
>
> And stupid question - how to make this wizard up and running? I've
> everything installed and nothing is runnin on port 9090 :)
>
> Regards,
> Artem
>
> On Fri, Nov 3, 2017 at 12:49 PM, Martin Sivak  wrote:
>>
>> Hi,
>>
>> you should take a look at the hyper converged way of installing oVirt.
>> We have a cockpit wizard that does almost everything for you:
>>
>>
>> https://www.ovirt.org/documentation/gluster-hyperconverged/chap-Deploying_Hyperconverged/
>>
>> It uses three hosts and collocates the VMs together with Gluster storage.
>>
>> Best regards
>>
>> --
>> Martin Sivak
>> SLA  /oVirt
>>
>> On Fri, Nov 3, 2017 at 8:39 AM, Artem Tambovskiy
>>  wrote:
>> > Thanks Eduardo!
>> >
>> > I think I can find a third server to build a glusterFS storage. So the
>> > first
>> > step will be to install a self-hosted engine on the new server and start
>> > building a glusterFS storage. IS there any easy way to migrate existing
>> > 5
>> > VM's running on the second bare-metal oVirt host, right? I found a
>> > little
>> > bit tricky moving oVirt backups between the hosts (at least I failed to
>> > replicate the existing VM's on the second server).
>> >
>> > Regards,
>> > Artem
>> >
>> >
>> >
>> > On Fri, Nov 3, 2017 at 10:24 AM, Eduardo Mayoral 
>> > wrote:
>> >>
>> >> For HA you will need some kind of storage available to all the compute
>> >> nodes in the cluster. If you have no external storage and few nodes, I
>> >> think
>> >> your best option for storage is gluster , and the minimum number of
>> >> nodes
>> >> you will need for HA is 3 (the third gluster node can be metadata-only,
>> >> but
>> >> you still need that third node to give you quorum, avoid split-brains
>> >> and
>> >> have something that you can call "HA" with a straight face.
>> >>
>> >> Eduardo Mayoral Jimeno (emayo...@arsys.es)
>> >> Administrador de sistemas. Departamento de Plataformas. Arsys internet.
>> >> +34 941 620 145 ext. 5153
>> >>
>> >> On 03/11/17 08:10, Artem Tambovskiy wrote:
>> >>
>> >> Looking for a design advise on oVirt provisioning. I'm running a PoC
>> >> lab
>> >> on single bare-metal host (suddenly it was setup with just Local
>> >> Storage
>> >> domain) and
>> >> no I'd like to rebuild the setup by making a cluster of 2 physical
>> >> servers, no external storage array available. That are the options
>> >> here? is
>> >> there any options to build cheap HA cluster with just 2 servers?
>> >>
>> >> Thanks in advance!
>> >>
>> >> Artem
>> >>
>> >>
>> >> ___
>> >> Users mailing list
>> >> Users@ovirt.org
>> >> http://lists.ovirt.org/mailman/listinfo/users
>> >>
>> >>
>> >
>> >
>> > ___
>> > Users mailing list
>> > Users@ovirt.org
>> > http://lists.ovirt.org/mailman/listinfo/users
>> >
>
>
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Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Artem Tambovskiy]

Thanks for an article, Martin!
Any chance to configure a third cost to act as GlusterFS Arbitr only using
this wizard?

And stupid question - how to make this wizard up and running? I've
everything installed and nothing is runnin on port 9090 :)

Regards,
Artem

On Fri, Nov 3, 2017 at 12:49 PM, Martin Sivak  wrote:

> Hi,
>
> you should take a look at the hyper converged way of installing oVirt.
> We have a cockpit wizard that does almost everything for you:
>
> https://www.ovirt.org/documentation/gluster-hyperconverged/chap-Deploying_
> Hyperconverged/
>
> It uses three hosts and collocates the VMs together with Gluster storage.
>
> Best regards
>
> --
> Martin Sivak
> SLA  /oVirt
>
> On Fri, Nov 3, 2017 at 8:39 AM, Artem Tambovskiy
>  wrote:
> > Thanks Eduardo!
> >
> > I think I can find a third server to build a glusterFS storage. So the
> first
> > step will be to install a self-hosted engine on the new server and start
> > building a glusterFS storage. IS there any easy way to migrate existing 5
> > VM's running on the second bare-metal oVirt host, right? I found a little
> > bit tricky moving oVirt backups between the hosts (at least I failed to
> > replicate the existing VM's on the second server).
> >
> > Regards,
> > Artem
> >
> >
> >
> > On Fri, Nov 3, 2017 at 10:24 AM, Eduardo Mayoral 
> wrote:
> >>
> >> For HA you will need some kind of storage available to all the compute
> >> nodes in the cluster. If you have no external storage and few nodes, I
> think
> >> your best option for storage is gluster , and the minimum number of
> nodes
> >> you will need for HA is 3 (the third gluster node can be metadata-only,
> but
> >> you still need that third node to give you quorum, avoid split-brains
> and
> >> have something that you can call "HA" with a straight face.
> >>
> >> Eduardo Mayoral Jimeno (emayo...@arsys.es)
> >> Administrador de sistemas. Departamento de Plataformas. Arsys internet.
> >> +34 941 620 145 ext. 5153
> >>
> >> On 03/11/17 08:10, Artem Tambovskiy wrote:
> >>
> >> Looking for a design advise on oVirt provisioning. I'm running a PoC lab
> >> on single bare-metal host (suddenly it was setup with just Local Storage
> >> domain) and
> >> no I'd like to rebuild the setup by making a cluster of 2 physical
> >> servers, no external storage array available. That are the options
> here? is
> >> there any options to build cheap HA cluster with just 2 servers?
> >>
> >> Thanks in advance!
> >>
> >> Artem
> >>
> >>
> >> ___
> >> Users mailing list
> >> Users@ovirt.org
> >> http://lists.ovirt.org/mailman/listinfo/users
> >>
> >>
> >
> >
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
>
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Re: [ovirt-users] oVirt 4.2 Beta - Update Check fails

[Maton, Brett]

Forgot to add oVirt Version:
4.2.0-0.0.master.20171030093856.gitc4dc9af.el7.centos

On 3 November 2017 at 09:40, Maton, Brett  wrote:

> CentOS 7.4 (Fresh install)
> oVirt
>
> Update check fails on hosts with:
>
> Nov  3 09:31:42 lab001 python: ansible-yum Invoked with
> allow_downgrade=False name=['ovirt-host'] list=None install_repoquery=True
> conf_file=None disable_gpg_check=False state=latest disablerepo=None
> update_cache=False enablerepo=None exclude=None security=False
> validate_certs=True installroot=/ skip_broken=False
> Nov  3 09:31:42 lab001 python: detected unhandled Python exception in
> '/tmp/ansible_Y3IZan/ansible_module_yum.py'
> Nov  3 09:31:42 lab001 abrt-server: Executable
> '/tmp/ansible_Y3IZan/ansible_module_yum.py' doesn't belong to any package
> and ProcessUnpackaged is set to 'no'
> Nov  3 09:31:42 lab001 abrt-server: 'post-create' on
> '/var/tmp/abrt/Python-2017-11-03-09:31:42-1274' exited with 1
> Nov  3 09:31:42 lab001 abrt-server: Deleting problem directory
> '/var/tmp/abrt/Python-2017-11-03-09:31:42-1274'
>
>
>
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[ovirt-users] oVirt 4.2 beta install

[Maton, Brett]

CentOS 7.4 (Fresh install)
oVirt 4.2.0-0.0.master.20171030093856.gitc4dc9af.el7.centos

When I deployed hosted-engine I got a DNS warning just before the
configuration preview step.

WARNING: Host name  has no domain suffix
WARNING: Failed to resolve  using DNS, it can be resolved
only locally

--== CONFIGURATION PREVIEW ==--

...
Host address   : 
...

However hostname and hostnamectl return a FQDN, domainname on the other
hand returns (none)

dig  as used by the installer fails to return IP address

nslookup  does return the correct FQDN and IP address


Installation did finally suceed, but it took an age ( 20 + minutes )
looking like the process had hung waiting for VDSM
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Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Martin Sivak]

Hi,

you should take a look at the hyper converged way of installing oVirt.
We have a cockpit wizard that does almost everything for you:

https://www.ovirt.org/documentation/gluster-hyperconverged/chap-Deploying_Hyperconverged/

It uses three hosts and collocates the VMs together with Gluster storage.

Best regards

--
Martin Sivak
SLA  /oVirt

On Fri, Nov 3, 2017 at 8:39 AM, Artem Tambovskiy
 wrote:
> Thanks Eduardo!
>
> I think I can find a third server to build a glusterFS storage. So the first
> step will be to install a self-hosted engine on the new server and start
> building a glusterFS storage. IS there any easy way to migrate existing 5
> VM's running on the second bare-metal oVirt host, right? I found a little
> bit tricky moving oVirt backups between the hosts (at least I failed to
> replicate the existing VM's on the second server).
>
> Regards,
> Artem
>
>
>
> On Fri, Nov 3, 2017 at 10:24 AM, Eduardo Mayoral  wrote:
>>
>> For HA you will need some kind of storage available to all the compute
>> nodes in the cluster. If you have no external storage and few nodes, I think
>> your best option for storage is gluster , and the minimum number of nodes
>> you will need for HA is 3 (the third gluster node can be metadata-only, but
>> you still need that third node to give you quorum, avoid split-brains and
>> have something that you can call "HA" with a straight face.
>>
>> Eduardo Mayoral Jimeno (emayo...@arsys.es)
>> Administrador de sistemas. Departamento de Plataformas. Arsys internet.
>> +34 941 620 145 ext. 5153
>>
>> On 03/11/17 08:10, Artem Tambovskiy wrote:
>>
>> Looking for a design advise on oVirt provisioning. I'm running a PoC lab
>> on single bare-metal host (suddenly it was setup with just Local Storage
>> domain) and
>> no I'd like to rebuild the setup by making a cluster of 2 physical
>> servers, no external storage array available. That are the options here? is
>> there any options to build cheap HA cluster with just 2 servers?
>>
>> Thanks in advance!
>>
>> Artem
>>
>>
>> ___
>> Users mailing list
>> Users@ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>
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[ovirt-users] oVirt 4.2 Beta - Update Check fails

[Maton, Brett]

CentOS 7.4 (Fresh install)
oVirt

Update check fails on hosts with:

Nov  3 09:31:42 lab001 python: ansible-yum Invoked with
allow_downgrade=False name=['ovirt-host'] list=None install_repoquery=True
conf_file=None disable_gpg_check=False state=latest disablerepo=None
update_cache=False enablerepo=None exclude=None security=False
validate_certs=True installroot=/ skip_broken=False
Nov  3 09:31:42 lab001 python: detected unhandled Python exception in
'/tmp/ansible_Y3IZan/ansible_module_yum.py'
Nov  3 09:31:42 lab001 abrt-server: Executable
'/tmp/ansible_Y3IZan/ansible_module_yum.py' doesn't belong to any package
and ProcessUnpackaged is set to 'no'
Nov  3 09:31:42 lab001 abrt-server: 'post-create' on
'/var/tmp/abrt/Python-2017-11-03-09:31:42-1274' exited with 1
Nov  3 09:31:42 lab001 abrt-server: Deleting problem directory
'/var/tmp/abrt/Python-2017-11-03-09:31:42-1274'
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Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Kai Wagner]

Nevertheless you could end up with a split brain situation because
you've no quorum.

So it doesn't matter which kind of cluster you want to build, but you'll
need a third node as a tiebreaker.

I know that a 2 node cluster with drbd would work, but not in all cases,
so do yourself a favor and get a third node.


On 03.11.2017 09:15, Johan Bernhardsson wrote:
>
> On drbd you have one master and use iscsi to share the storage. If the
> master fails it will fail over to the other.
>
> You have one up that will act as the iscsi storage and jump between
> the hosts.
>
> If you run drbd master master ... Then you might get split brain and
> that is not fun :)
>
> On November 3, 2017 09:04:49 Eduardo Mayoral  wrote:
>
>> Just genuinely curious, how do you avoid split-brain situations with
>> a 2-node setup (be it drbd, gluster or anything else)?
>>
>> Eduardo Mayoral Jimeno (emayo...@arsys.es)
>> Administrador de sistemas. Departamento de Plataformas. Arsys internet.
>> +34 941 620 145 ext. 5153
>> On 03/11/17 08:40, Johan Bernhardsson wrote:
>>>
>>> Check on drbd. I have used that to build a cluster for two servers.
>>> It need some more work than a three node gluster conf but works well.
>>>
>>> I even think they have a white paper on how to do it for virtualization.
>>>
>>> /Johan
>>>
>>> On November 3, 2017 08:11:04 Artem Tambovskiy
>>>  wrote:
>>>
 Looking for a design advise on oVirt provisioning. I'm running a
 PoC lab on single bare-metal host (suddenly it was setup with just
 Local Storage domain) and 
 no I'd like to rebuild the setup by making a cluster of 2 physical
 servers, no external storage array available. That are the options
 here? is there any options to build cheap HA cluster with just 2
 servers? 

 Thanks in advance!

 Artem
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-- 
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(AG Nürnberg)



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[ovirt-users] windows remote-viewer vs. linux vm: strange keyboard problem

[Uwe Laverenz]

Hi all,

I have the following strange problem with virt-viewer 5.0 and 6.0 on 
Windows 10: when I connect to Linux VMs running on a OVirt 4.1 cluster 
it sometimes is not possible to use e.g. "AltGr + q" to get the "@"-sign 
or "AltGr+8" for "[" on my german keyboard. It seems to be a problem 
only when I use a dual screen setup with Linux VMs.


It is possible to get it working by just moving the mouse to the top 
center of the screen until the remote-viewer panel shows up. After this 
the keyboard works for a short period of time until I work on the other 
screen.


I tested CentOS 7,CentOS 6 and Fedora 26 VMs. Windows 7 VMs do not seem 
to show this problem, so I'm not sure if it is a problem with 
virt-/remote-viewer, OVirt/qemu or the Windows 10 client.


Does anybody else see this behaviour? What would the best place for a 
bug report, OVirt and Spice/virt-viewer are separate teams, right?


thanks in advance,
Uwe
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Re: [ovirt-users] New post on oVirt blog: Introducing oVirt 4.2.0 Beta

[Gianluca Cecchi]

On Thu, Nov 2, 2017 at 9:12 PM, John Marks  wrote:

> Hello!
> Just a quick heads up that there is a new post on the oVirt blog:
>
> Introducing oVirt 4.2.0 Beta
> 
>
> In a nutshell:
>
> oVirt 4.2.0 Beta was released on October 31st. It includes stabilization
> fixes and some nice new features. Read the blog post
> .
>
>
> Hello,
in the blog there is something like:
"
Windows SPICE driver, for seamless remote access to virtual machines. The
driver aims to improve the user experience and performance for Windows
graphical guests.
"
Can anyone elaborate on that? Going at:
https://ovirt.org/release/4.2.0/
I don't see any particular note about spice, out of the deprecation/removal
of spice-html5 support

Thanks,
Gianluca
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Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Eduardo Mayoral]

Exporting the VMs to an export storage domain on the first server,
copying the files to another export storage domain on the second server
and importing it should work. What kind of problem did you find?

As for the order of doing things, my first oVirt lab was a 3-node setup
with gluster (oVirt version 4.0). I found this guide helpful:

https://www.ovirt.org/blog/2016/08/up-and-running-with-ovirt-4-0-and-gluster-storage/

I see there is a new version of it:

https://www.ovirt.org/blog/2017/04/up-and-running-with-ovirt-4.1-and-gluster-storage/

If I understand correctly you plan to re-use the server you already
have. I think you will probably find it much easier have to export your
VMs, re-deploy and import your VMs back. It means some downtime, but you
seem very constrained on the hardware available and there is not much
room to manouver...

Good luck!

Eduardo Mayoral Jimeno (emayo...@arsys.es)
Administrador de sistemas. Departamento de Plataformas. Arsys internet.
+34 941 620 145 ext. 5153

On 03/11/17 08:39, Artem Tambovskiy wrote:
> Thanks Eduardo!
>
> I think I can find a third server to build a glusterFS storage. So the
> first step will be to install a self-hosted engine on the new server
> and start building a glusterFS storage. IS there any easy way to
> migrate existing 5 VM's running on the second bare-metal oVirt host,
> right? I found a little bit tricky moving oVirt backups between the
> hosts (at least I failed to replicate the existing VM's on the second
> server).
>
> Regards,
> Artem
>
>
>
> On Fri, Nov 3, 2017 at 10:24 AM, Eduardo Mayoral  > wrote:
>
> For HA you will need some kind of storage available to all the
> compute nodes in the cluster. If you have no external storage and
> few nodes, I think your best option for storage is gluster , and
> the minimum number of nodes you will need for HA is 3 (the third
> gluster node can be metadata-only, but you still need that third
> node to give you quorum, avoid split-brains and have something
> that you can call "HA" with a straight face.
>
> Eduardo Mayoral Jimeno (emayo...@arsys.es )
> Administrador de sistemas. Departamento de Plataformas. Arsys internet.
> +34 941 620 145 ext. 5153 
>
> On 03/11/17 08:10, Artem Tambovskiy wrote:
>> Looking for a design advise on oVirt provisioning. I'm running a
>> PoC lab on single bare-metal host (suddenly it was setup with
>> just Local Storage domain) and 
>> no I'd like to rebuild the setup by making a cluster of 2
>> physical servers, no external storage array available. That are
>> the options here? is there any options to build cheap HA cluster
>> with just 2 servers? 
>>
>> Thanks in advance!
>>
>> Artem
>>
>>
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>
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Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Johan Bernhardsson]

On drbd you have one master and use iscsi to share the storage. If the 
master fails it will fail over to the other.


You have one up that will act as the iscsi storage and jump between the hosts.

If you run drbd master master ... Then you might get split brain and that 
is not fun :)



On November 3, 2017 09:04:49 Eduardo Mayoral  wrote:


Just genuinely curious, how do you avoid split-brain situations with a
2-node setup (be it drbd, gluster or anything else)?

Eduardo Mayoral Jimeno (emayo...@arsys.es)
Administrador de sistemas. Departamento de Plataformas. Arsys internet.
+34 941 620 145 ext. 5153

On 03/11/17 08:40, Johan Bernhardsson wrote:


Check on drbd. I have used that to build a cluster for two servers. It
need some more work than a three node gluster conf but works well.

I even think they have a white paper on how to do it for virtualization.

/Johan

On November 3, 2017 08:11:04 Artem Tambovskiy
 wrote:


Looking for a design advise on oVirt provisioning. I'm running a PoC
lab on single bare-metal host (suddenly it was setup with just Local
Storage domain) and 
no I'd like to rebuild the setup by making a cluster of 2 physical
servers, no external storage array available. That are the options
here? is there any options to build cheap HA cluster with just 2
servers? 

Thanks in advance!

Artem
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Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Artem Tambovskiy]

Good point! Need to focus on this first

Thanks,
Artem

On Fri, Nov 3, 2017 at 10:50 AM, Karli Sjöberg  wrote:

> On fre, 2017-11-03 at 10:39 +0300, Artem Tambovskiy wrote:
> > Thanks Eduardo!
> >
> > I think I can find a third server to build a glusterFS storage. So
> > the first step will be to install a self-hosted engine on the new
> > server and start building a glusterFS storage.
>
> You´ll need to build the Gluster storage first, as you´ll want to
> install the Hosted Engine _in_ the HA Gluster storage, right?
>
> /K
>
> > IS there any easy way to migrate existing 5 VM's running on the
> > second bare-metal oVirt host, right? I found a little bit tricky
> > moving oVirt backups between the hosts (at least I failed to
> > replicate the existing VM's on the second server).
> >
> > Regards,
> > Artem
> >
> >
> >
> > On Fri, Nov 3, 2017 at 10:24 AM, Eduardo Mayoral 
> > wrote:
> > > For HA you will need some kind of storage available to all the
> > > compute nodes in the cluster. If you have no external storage and
> > > few nodes, I think your best option for storage is gluster , and
> > > the minimum number of nodes you will need for HA is 3 (the third
> > > gluster node can be metadata-only, but you still need that third
> > > node to give you quorum, avoid split-brains and have something that
> > > you can call "HA" with a straight face.
> > > Eduardo Mayoral Jimeno (emayo...@arsys.es)
> > > Administrador de sistemas. Departamento de Plataformas. Arsys
> > > internet.
> > > +34 941 620 145 ext. 5153
> > > On 03/11/17 08:10, Artem Tambovskiy wrote:
> > > > Looking for a design advise on oVirt provisioning. I'm running a
> > > > PoC lab on single bare-metal host (suddenly it was setup with
> > > > just Local Storage domain) and
> > > > no I'd like to rebuild the setup by making a cluster of 2
> > > > physical servers, no external storage array available. That are
> > > > the options here? is there any options to build cheap HA cluster
> > > > with just 2 servers?
> > > >
> > > > Thanks in advance!
> > > >
> > > > Artem
> > > >
> > > >
> > > > ___
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> > > > Users@ovirt.org
> > > > http://lists.ovirt.org/mailman/listinfo/users
> > >
> > ___
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Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Eduardo Mayoral]

Just genuinely curious, how do you avoid split-brain situations with a
2-node setup (be it drbd, gluster or anything else)?

Eduardo Mayoral Jimeno (emayo...@arsys.es)
Administrador de sistemas. Departamento de Plataformas. Arsys internet.
+34 941 620 145 ext. 5153

On 03/11/17 08:40, Johan Bernhardsson wrote:
>
> Check on drbd. I have used that to build a cluster for two servers. It
> need some more work than a three node gluster conf but works well.
>
> I even think they have a white paper on how to do it for virtualization.
>
> /Johan
>
> On November 3, 2017 08:11:04 Artem Tambovskiy
>  wrote:
>
>> Looking for a design advise on oVirt provisioning. I'm running a PoC
>> lab on single bare-metal host (suddenly it was setup with just Local
>> Storage domain) and 
>> no I'd like to rebuild the setup by making a cluster of 2 physical
>> servers, no external storage array available. That are the options
>> here? is there any options to build cheap HA cluster with just 2
>> servers? 
>>
>> Thanks in advance!
>>
>> Artem
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Re: [ovirt-users] hosted-engine --deploy Waiting for VDSM hardware info error Failed to read hardware information

[Reznikov Alexei]

02.11.2017 18:28, Yaniv Kaul пишет:



On Thu, Nov 2, 2017 at 3:17 PM, Reznikov Alexei 
> wrote:


Hi list, good day to all!

When I try to start the hosted-engine --deploy, I get a vdsm error:

[root @ h4 yum.repos.d] # hosted-engine --deploy
[INFO] Stage: Initializing
[INFO] Generating a temporary VNC password.
[INFO] Stage: Environment setup
  Continuing will configure this host for serving as
hypervisor and create a VM where you have to install the engine
afterwards.
  Are you sure you want to continue? (Yes, No) [Yes]:
  Configuration files: []
  Log file:

/var/log/ovirt-hosted-engine-setup/ovirt-hosted-engine-setup-20171102160614-39if1h.log
  Version: otopi-1.4.2 (otopi-1.4.2-1.el7.centos)
[INFO] Hardware supports virtualization
[INFO] Stage: Environment packages setup
[INFO] Stage: Programs detection
[INFO] Stage: Environment setup
[INFO] Waiting for VDSM hardware info
...
[INFO] Waiting for VDSM hardware info
[ERROR] Failed to execute stage 'Environment setup': VDSM did not
start within 120 seconds
[INFO] Stage: Clean up
[INFO] Generating answer file
'/var/lib/ovirt-hosted-engine-setup/answers/answers-20171102160113.conf'
[INFO] Stage: Pre-termination
[INFO] Stage: Termination
[ERROR] Hosted Engine deployment failed: this system is not
reliable, please check the issue, fix and redeploy
  Log file is located at

/var/log/ovirt-hosted-engine-setup/ovirt-hosted-engine-setup-20171102155902-2g61gd.log

and also i tried 
[root @ h4 ~] # vdsClient -s 0 getVdsHardwareInfo
Failed to read hardware information

My system...
ovirt-release36-3.6.7-3.el7
CentOS Linux release 7.4.1708 (Core)


Fixed in https://gerrit.ovirt.org/#/c/79020/ - but really you should 
use ovirt 4.1.

Y.

vdsm-4.17.32-1.el7.noarch
dmidecode-3.0-5.el7.x86_64
python-dmidecode-3.12.2-1.el7.x86_64


How do I get around this error in my CentOS. Please help me ...

logs in attach.


Alex.



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Ok, I applied the patch and it worked!

Thanks very much Yaniv!

Alex.
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Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Karli Sjöberg]

On fre, 2017-11-03 at 10:39 +0300, Artem Tambovskiy wrote:
> Thanks Eduardo!
> 
> I think I can find a third server to build a glusterFS storage. So
> the first step will be to install a self-hosted engine on the new
> server and start building a glusterFS storage. 

You´ll need to build the Gluster storage first, as you´ll want to
install the Hosted Engine _in_ the HA Gluster storage, right?

/K

> IS there any easy way to migrate existing 5 VM's running on the
> second bare-metal oVirt host, right? I found a little bit tricky
> moving oVirt backups between the hosts (at least I failed to
> replicate the existing VM's on the second server).
> 
> Regards,
> Artem
> 
> 
> 
> On Fri, Nov 3, 2017 at 10:24 AM, Eduardo Mayoral 
> wrote:
> > For HA you will need some kind of storage available to all the
> > compute nodes in the cluster. If you have no external storage and
> > few nodes, I think your best option for storage is gluster , and
> > the minimum number of nodes you will need for HA is 3 (the third
> > gluster node can be metadata-only, but you still need that third
> > node to give you quorum, avoid split-brains and have something that
> > you can call "HA" with a straight face.
> > Eduardo Mayoral Jimeno (emayo...@arsys.es)
> > Administrador de sistemas. Departamento de Plataformas. Arsys
> > internet.
> > +34 941 620 145 ext. 5153
> > On 03/11/17 08:10, Artem Tambovskiy wrote:
> > > Looking for a design advise on oVirt provisioning. I'm running a
> > > PoC lab on single bare-metal host (suddenly it was setup with
> > > just Local Storage domain) and 
> > > no I'd like to rebuild the setup by making a cluster of 2
> > > physical servers, no external storage array available. That are
> > > the options here? is there any options to build cheap HA cluster
> > > with just 2 servers? 
> > > 
> > > Thanks in advance!
> > > 
> > > Artem
> > > 
> > > 
> > > ___
> > > Users mailing list
> > > Users@ovirt.org
> > > http://lists.ovirt.org/mailman/listinfo/users
> >  
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Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Johan Bernhardsson]

Check on drbd. I have used that to build a cluster for two servers. It need 
some more work than a three node gluster conf but works well.


I even think they have a white paper on how to do it for virtualization.

/Johan


On November 3, 2017 08:11:04 Artem Tambovskiy  
wrote:



Looking for a design advise on oVirt provisioning. I'm running a PoC lab on
single bare-metal host (suddenly it was setup with just Local Storage
domain) and
no I'd like to rebuild the setup by making a cluster of 2 physical servers,
no external storage array available. That are the options here? is there
any options to build cheap HA cluster with just 2 servers?

Thanks in advance!

Artem



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Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Artem Tambovskiy]

Thanks Eduardo!

I think I can find a third server to build a glusterFS storage. So the
first step will be to install a self-hosted engine on the new server and
start building a glusterFS storage. IS there any easy way to migrate
existing 5 VM's running on the second bare-metal oVirt host, right? I found
a little bit tricky moving oVirt backups between the hosts (at least I
failed to replicate the existing VM's on the second server).

Regards,
Artem



On Fri, Nov 3, 2017 at 10:24 AM, Eduardo Mayoral  wrote:

> For HA you will need some kind of storage available to all the compute
> nodes in the cluster. If you have no external storage and few nodes, I
> think your best option for storage is gluster , and the minimum number of
> nodes you will need for HA is 3 (the third gluster node can be
> metadata-only, but you still need that third node to give you quorum, avoid
> split-brains and have something that you can call "HA" with a straight face.
>
> Eduardo Mayoral Jimeno (emayo...@arsys.es)
> Administrador de sistemas. Departamento de Plataformas. Arsys internet.+34 
> 941 620 145 ext. 5153 <+34%20941%2062%2001%2045>
>
> On 03/11/17 08:10, Artem Tambovskiy wrote:
>
> Looking for a design advise on oVirt provisioning. I'm running a PoC lab
> on single bare-metal host (suddenly it was setup with just Local Storage
> domain) and
> no I'd like to rebuild the setup by making a cluster of 2 physical
> servers, no external storage array available. That are the options here? is
> there any options to build cheap HA cluster with just 2 servers?
>
> Thanks in advance!
>
> Artem
>
>
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>
>
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Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Eduardo Mayoral]

For HA you will need some kind of storage available to all the compute
nodes in the cluster. If you have no external storage and few nodes, I
think your best option for storage is gluster , and the minimum number
of nodes you will need for HA is 3 (the third gluster node can be
metadata-only, but you still need that third node to give you quorum,
avoid split-brains and have something that you can call "HA" with a
straight face.

Eduardo Mayoral Jimeno (emayo...@arsys.es)
Administrador de sistemas. Departamento de Plataformas. Arsys internet.
+34 941 620 145 ext. 5153

On 03/11/17 08:10, Artem Tambovskiy wrote:
> Looking for a design advise on oVirt provisioning. I'm running a PoC
> lab on single bare-metal host (suddenly it was setup with just Local
> Storage domain) and 
> no I'd like to rebuild the setup by making a cluster of 2 physical
> servers, no external storage array available. That are the options
> here? is there any options to build cheap HA cluster with just 2 servers? 
>
> Thanks in advance!
>
> Artem
>
>
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[ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Artem Tambovskiy]

Looking for a design advise on oVirt provisioning. I'm running a PoC lab on
single bare-metal host (suddenly it was setup with just Local Storage
domain) and
no I'd like to rebuild the setup by making a cluster of 2 physical servers,
no external storage array available. That are the options here? is there
any options to build cheap HA cluster with just 2 servers?

Thanks in advance!

Artem
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Re: [ovirt-users] [ANN] oVirt 4.2.0 First Beta Release is now available for testing

[Sandro Bonazzola]

2017-11-03 0:31 GMT+01:00 Nehemiah Dacres :

>  Have you stopped supporting Fedora for new releases? I dont' see it in
> the list and the most recent fedora in the mirror list on the previous
> release was 24.
>


Yes, sadly Fedora is moving too fast to be able to match the changes
they've introduced between Fedora 24 and Fedora 27 which will be GA next
week.
I hope we'll be able to re-align with Fedora with oVirt 4.3.


-- 

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ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R

Red Hat EMEA 

TRIED. TESTED. TRUSTED. 

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