Re: [Users] using cloud-init?

[Jason Brooks]

On Wed, 2014-03-12 at 01:52 -0400, Oved Ourfalli wrote:
> Did you set the OS type of the VM / template to some linux based OS
> type?

That was it. Thanks!

Jason

> The cloud-init data is passed only to linux VMs.
> A new patch changed that, and passed it to all non-windows VMs, so if
> you left the defaults, and the OS type is "Other OS", then it doesn't
> work without the patch.
> 
> See bug https://bugzilla.redhat.com/show_bug.cgi?id=1072764
> 
> Oved
> 
> - Original Message -
> > From: "Jason Brooks" 
> > To: users@ovirt.org
> > Sent: Tuesday, March 11, 2014 6:21:37 PM
> > Subject: [Users] using cloud-init?
> > 
> > Hi all --
> > 
> > I've been trying, without success, to use cloud-init w/ oVirt 3.4 on
> Fedora
> > 19 hosts. I've had similar failure in the past, but here are the
> steps I'm
> > taking currently:
> > 
> > 1. Import as template F19 image from ovirt-image-repository glance
> repo
> > 2. Create new vm based on that template
> > 3. Choose ovirtmgmt as the nic1 for the VM
> > 4. Show advanced options, click initial run, expand authentication,
> enter
> > a root password, paste my public key into the allowed ssh keys field
> > 5. Hit OK, and then run the VM
> > 6. In the VM's console, I see it complain about No instance
> datasource found
> > 7. Unsurprisingly, I can't log in w/ pw or ssh.
> > 
> > (By the way, are there any default creds for these images? I thought
> they
> > might
> > be based on the fedora cloud images, but their default uname fedora
> pw
> > nothing
> > doesn't work)
> > 
> > I've tried some other derivations of this, launching from the Run
> Once menu,
> > filling in various different fields, etc.
> > 
> > Any clues?
> > 
> > I don't see many people complaining about this, so I'm assuming it's
> working
> > for other people. I don't know, maybe it's something with Fedora?
> > 
> > Thanks, Jason
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> > 


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Re: [Users] using cloud-init?

[Oved Ourfalli]

Did you set the OS type of the VM / template to some linux based OS type?
The cloud-init data is passed only to linux VMs.
A new patch changed that, and passed it to all non-windows VMs, so if you left 
the defaults, and the OS type is "Other OS", then it doesn't work without the 
patch.

See bug https://bugzilla.redhat.com/show_bug.cgi?id=1072764

Oved

- Original Message -
> From: "Jason Brooks" 
> To: users@ovirt.org
> Sent: Tuesday, March 11, 2014 6:21:37 PM
> Subject: [Users] using cloud-init?
> 
> Hi all --
> 
> I've been trying, without success, to use cloud-init w/ oVirt 3.4 on Fedora
> 19 hosts. I've had similar failure in the past, but here are the steps I'm
> taking currently:
> 
> 1. Import as template F19 image from ovirt-image-repository glance repo
> 2. Create new vm based on that template
> 3. Choose ovirtmgmt as the nic1 for the VM
> 4. Show advanced options, click initial run, expand authentication, enter
> a root password, paste my public key into the allowed ssh keys field
> 5. Hit OK, and then run the VM
> 6. In the VM's console, I see it complain about No instance datasource found
> 7. Unsurprisingly, I can't log in w/ pw or ssh.
> 
> (By the way, are there any default creds for these images? I thought they
> might
> be based on the fedora cloud images, but their default uname fedora pw
> nothing
> doesn't work)
> 
> I've tried some other derivations of this, launching from the Run Once menu,
> filling in various different fields, etc.
> 
> Any clues?
> 
> I don't see many people complaining about this, so I'm assuming it's working
> for other people. I don't know, maybe it's something with Fedora?
> 
> Thanks, Jason
> ___
> Users mailing list
> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
> 
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Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[Maor Lipchuk]

On 03/11/2014 11:17 PM, Tomasz Kołek wrote:
> Hi,
> Thank You for the answers, these  give me basic look at the problem.
> 
> Is not a problem (from my point of view) to implement a few flags for the 
> command, like:
> add reviewers  --auto  --max=5 --using_blame etc, depends only on our 
> requirements.
> 
> I'm almost sure that good way is automatic way as Eyal mentioned, I know it 
> might make a little mess but will be easier for new contributor.
> Why almost? Because what with a situation where all of potential reviewers 
> are not interested to review patch?
> 
> Maybe we should try to find "the most reviewing" people, maybe it will be 
> good way?
That is another method of adding reviewers,
see my suggestion in the thread which I addressed the way we should
implement the algorithms for adding reviewers, so that it will be more
generic.
> 
> 
> BR, 
> Tomek
> 
> -Original Message-
> From: Maor Lipchuk [mailto:mlipc...@redhat.com] 
> Sent: Tuesday, March 11, 2014 8:40 PM
> To: Meital Bourvine; Eyal Edri
> Cc: Tomasz Kołek; users@ovirt.org; infra
> Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - questions
> 
> Hi Tomasz,
> 
> I'm very please to hear that you are interested in the GSOC project, see my 
> answers inline.
> 
> It's great to see that you know the material pretty well, I'm interested to 
> hear some more ideas and feedbacks.
> I will start a thread soon (Maybe also schedule a call) once getting more 
> feedbacks from other contributors, so we can brain storm some more and get 
> practical with it.
> If you have any more questions, please don't hesitate to ask me.
> 
> thanks,
> Maor
> 
> On 03/11/2014 04:53 PM, Meital Bourvine wrote:
>> Eyal,
>>
>> I think that he's asking about [1].
>>
>> As far as I understand, the idea is to automatically get the reviewers 
>> names, with commands like `git blame`, or from gerrit - get previous 
>> reviewers to the same file/module...
>>
>> Adding Maor, since he might have some additional info.
>>
>> [1] 
>> http://www.ovirt.org/Summer_of_Code#Idea:_Gerrit_add_potential_reviewe
>> rs
>>
>> - Original Message -
>>> From: "Eyal Edri" 
>>> To: "Tomasz Kołek" 
>>> Cc: users@ovirt.org, "infra" 
>>> Sent: Tuesday, March 11, 2014 4:37:22 PM
>>> Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - 
>>> questions
>>>
>>>
>>>
>>> - Original Message -
 From: "Tomasz Kołek" 
 To: users@ovirt.org
 Sent: Monday, March 10, 2014 9:56:28 PM
 Subject: [Users] [GSOC][Gerrit] add potential reviewers - questions



 Hi

 I'd like to contribute (within GSOC) in idea: Gerrit add potential 
 reviewers.

 Maybe at first I’ll introduce myself.
 I'm Tomek, student from Poland. I study Computer Science at 
 University of Wroclaw. The next year will be last year of my first degree 
 study, I hope.
 As a python programmer I'm working since one year at Nokia Solutions 
 and Networks (don't worry I intend to change my job to another or to 
 participation at GSOC). Every day at work and school I'm using 
 version control system (Git and SVN). At work we were using to 
 Gerrit as a review system but currently we're using JIRA to report review 
 statuses.
 I love spend my free time in mountains (mainly polish - Tatras mountains).
 That's all about me.

 I've got a few questions about project description.
 Please tell me if my problem's understanding is good or not.
 We need to add a few flags/methods to git review module. This flags 
 should allow to add potential reviewers in gerrit.
 So:
 Let's assume that we've got special flags for this operations. What's next?
 1. In gerrit system we need to add special place for potential reviewers?
> Adding a plugin to gerrit is an interesting idea although it will require the 
> administrator to add it in the server, and I want that the operation will be 
> more available to any submitter in any project.
> I think that we can address it in a later phase though.
 2. Potential reviewers should agree that they want to review?
> no, since gerrit does not question the reviewer if he wants to be added or 
> not I think we should keep this behaviour as well.
> 
> although as I see it, the operation of adding the reviewers, will not be 
> completely automatic for the submitter, we should let the submitter of the 
> patch to choose which reviewers he wants to add, very similar to the screen 
> being used when doing a rebase in git. (see attached file
> add_reviewers.png)
 3. We can have more than one accepted reviewer?
> Yes, that is correct.
>>>
>>> Hi Tomasz,
>>> I'm not sure i understood exactly what you mean by 'potential reviewers'.
>>> do want gerrit (hook?) to automatically add reviewers to a patch 
>>> according to the code sent?
>>> so in fact you'll have a place somewhere for mapping code & specific 
>>> developers?
>>>
>>> cause if you mean by adding reviewers to a

Re: [Users] ovirt engine in high availability

[Doron Fediuck]

- Original Message -
> From: "Gianluca Cecchi" 
> To: "users" 
> Sent: Thursday, March 6, 2014 12:53:40 AM
> Subject: [Users] ovirt engine in high availability
> 
> Hello,
> I have made a base testing environment putting engine in HA.
> I think it could complement self hosted engine.
> As this could be of interest for enterprise based installations, I
> used CentOS 6.5 as OS environment for engine.
> Even if in upcoming RH EL 7 it seems corosync will substitute cman, in
> this 6.5 test I have used cman/pacemaker with pcs commands.
> The engine servers are two vSphere VMs, so I tested the configuration
> both without stonith and with vSphere CLi sdk and fence_vmware fenging
> agent.
> 
> Also, as this kind of environment could be suitable for DR too, I set
> up the filesystem resource with drbd in active/passive.
> There are many possible configurations; to stick with similar
> environment as the standalone engine, I configured the whole stack of
> resources in one group, also with the nfs share for the default
> ISO-DOMAIN.
> Actually in this kind of environment it would be preferable to have a
> dedicated nfs resource on another ip so that it doesn't influence the
> ovirt-engine resource that is more critical.
> In the same way one could choose to put the PostgreSQL resource as a
> separate one, optimizing and balancing nodes' utilization.
> 
> At the moment I successfully tested on ovirt-engine-3.3.3-2.el6.noarch
> and I have not yet configured any hypervisor hosts. I will do next
> days.
> I plan to test also upgrades to 3.3.4 and 3.4.0, to see if maintenance
> activity would reveal too complex and be a show stopper.
> In the mean time what I tested to be transparent with a client session
> connected to webadmin portal is:
> 
> - relocation of resources
> - power off of the passive node
> - power off of the master node
> 
> With transparent I mean that in the same browser window the user gets
> the login page (the same as when it goes timeout) and after login it
> gets the same situation as before.
> Obviously the PostgreSQL rdbms has stopped (or crashed in third case)
> and so problems could arise as if you stopped your db or powered off
> your server in single server environment.
> If there is interest I can post my configuration steps into a wiki
> page on oVirt web site (after learning the formatting syntax... ;-)..
> the page name could be something like "clustered_engine".
> In the mean time if you have any scenario I can test to verify
> consistency you are welcome.
> 
> Gianluca

Thanks Gianluca for sharing.
The thing with wiki pages is that they tend to get out of date
over time. However, if you're willing to update it (or anyone
else) go ahead and create the page.

Doron
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[Users] ovirt engine source

[jacek burghardt]

Is there source of ovirt engine that stable ? I was able to compile master
of git source but after some changes it seems to be broken. I ge this error
when it comes to compile webadmin
[ERROR] Failed to execute goal
org.codehaus.mojo:gwt-maven-plugin:2.5.1:compile (gwtcompile) on project
webadmin: Command [[
[ERROR] /bin/sh -c /usr/lib/jvm/java-7-openjdk/jre/bin/java
-javaagent:/root/.m2/repository/org/aspectj/aspectjweaver/1.6.11/aspectjweaver-1.6.11.jar
-Xms1024M -Xmx4096M -XX:PermSize=512M -XX:MaxPermSize=1024M \
[ERROR]
-Dgwt.jjs.permutationWorkerFactory=com.google.gwt.dev.ThreadedPermutationWorkerFactory
\
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Re: [Users] [ANN] oVirt 3.4.0 Second Release Candidate is now available

[Nir Soffer]

- Original Message -
> From: "Sandro Bonazzola" 
> To: annou...@ovirt.org, Users@ovirt.org, "engine-devel" 
> , "arch" , "VDSM
> Project Development" 
> Sent: Tuesday, March 11, 2014 6:17:03 PM
> Subject: [Users] [ANN] oVirt 3.4.0 Second Release Candidate is now available
> 
> The oVirt team is pleased to announce that the 3.4.0 Second Release Candidate
> is now available for testing.
... 
> [1] http://www.ovirt.org/OVirt_3.4.0_release_notes

I noticed that not all vdsm fixes are listed in the release notes

74b4a27 xmlrpc: [Fix] Use correct base class for parsing request
https://bugzilla.redhat.com/1074063

d456d75 xmlrpc: Support HTTP 1.1
https://bugzilla.redhat.com/1070476

Nir
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Re: [Users] Instructions to add a remote controlled power strip not in the native list?

[David Smith]

I modified, tested, and added via git (also submitted note in rhbz#519731)
support for at least basic power on/off of the raritan devices I have
(model DPXS12-20)
Now that I have a working fence agent for myself, is it possible to tell me
how I can make the config change on my engine to add the support for the
fence agent I created?

Thanks.


On Mon, Feb 17, 2014 at 5:43 AM, Itamar Heim  wrote:

> On 02/17/2014 03:31 PM, Marek Grac wrote:
>
>> On 02/17/2014 09:45 AM, Eli Mesika wrote:
>>
>>>
>>> - Original Message -
>>>
 From: "Yedidyah Bar David" 
 To: "Itamar Heim" 
 Cc: users@ovirt.org
 Sent: Sunday, February 16, 2014 2:58:35 PM
 Subject: Re: [Users] Instructions to add a remote controlled power
 strip not in the native list?

 - Original Message -

> From: "Itamar Heim" 
> To: "David Smith" , users@ovirt.org
> Sent: Saturday, February 15, 2014 2:57:00 AM
> Subject: Re: [Users] Instructions to add a remote controlled power
> strip
> not in the native list?
>
> On 02/14/2014 07:37 PM, David Smith wrote:
>
>> We use Raritan / Dominion PX remote power blocks, is there a way to
>> easily add support for these?
>>
> CCing Marek on that in case that he had something to add from the
>>> fence-agents view since it may be already supported implicitly (like
>>> drac7 that is using actually ipmilan)
>>>
>>
>> No, Raritan are not supported yet (rhbz#519731)
>>
>
> so david, if you can try to push the raritan support to fence-agents, the
> ovirt side is usually just a config change.
>
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Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[Tomasz Kołek]

Hi,
Thank You for the answers, these  give me basic look at the problem.

Is not a problem (from my point of view) to implement a few flags for the 
command, like:
add reviewers  --auto  --max=5 --using_blame etc, depends only on our 
requirements.

I'm almost sure that good way is automatic way as Eyal mentioned, I know it 
might make a little mess but will be easier for new contributor.
Why almost? Because what with a situation where all of potential reviewers are 
not interested to review patch?

Maybe we should try to find "the most reviewing" people, maybe it will be good 
way?


BR, 
Tomek

-Original Message-
From: Maor Lipchuk [mailto:mlipc...@redhat.com] 
Sent: Tuesday, March 11, 2014 8:40 PM
To: Meital Bourvine; Eyal Edri
Cc: Tomasz Kołek; users@ovirt.org; infra
Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

Hi Tomasz,

I'm very please to hear that you are interested in the GSOC project, see my 
answers inline.

It's great to see that you know the material pretty well, I'm interested to 
hear some more ideas and feedbacks.
I will start a thread soon (Maybe also schedule a call) once getting more 
feedbacks from other contributors, so we can brain storm some more and get 
practical with it.
If you have any more questions, please don't hesitate to ask me.

thanks,
Maor

On 03/11/2014 04:53 PM, Meital Bourvine wrote:
> Eyal,
> 
> I think that he's asking about [1].
> 
> As far as I understand, the idea is to automatically get the reviewers names, 
> with commands like `git blame`, or from gerrit - get previous reviewers to 
> the same file/module...
> 
> Adding Maor, since he might have some additional info.
> 
> [1] 
> http://www.ovirt.org/Summer_of_Code#Idea:_Gerrit_add_potential_reviewe
> rs
> 
> - Original Message -
>> From: "Eyal Edri" 
>> To: "Tomasz Kołek" 
>> Cc: users@ovirt.org, "infra" 
>> Sent: Tuesday, March 11, 2014 4:37:22 PM
>> Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - 
>> questions
>>
>>
>>
>> - Original Message -
>>> From: "Tomasz Kołek" 
>>> To: users@ovirt.org
>>> Sent: Monday, March 10, 2014 9:56:28 PM
>>> Subject: [Users] [GSOC][Gerrit] add potential reviewers - questions
>>>
>>>
>>>
>>> Hi
>>>
>>> I'd like to contribute (within GSOC) in idea: Gerrit add potential 
>>> reviewers.
>>>
>>> Maybe at first I’ll introduce myself.
>>> I'm Tomek, student from Poland. I study Computer Science at 
>>> University of Wroclaw. The next year will be last year of my first degree 
>>> study, I hope.
>>> As a python programmer I'm working since one year at Nokia Solutions 
>>> and Networks (don't worry I intend to change my job to another or to 
>>> participation at GSOC). Every day at work and school I'm using 
>>> version control system (Git and SVN). At work we were using to 
>>> Gerrit as a review system but currently we're using JIRA to report review 
>>> statuses.
>>> I love spend my free time in mountains (mainly polish - Tatras mountains).
>>> That's all about me.
>>>
>>> I've got a few questions about project description.
>>> Please tell me if my problem's understanding is good or not.
>>> We need to add a few flags/methods to git review module. This flags 
>>> should allow to add potential reviewers in gerrit.
>>> So:
>>> Let's assume that we've got special flags for this operations. What's next?
>>> 1. In gerrit system we need to add special place for potential reviewers?
Adding a plugin to gerrit is an interesting idea although it will require the 
administrator to add it in the server, and I want that the operation will be 
more available to any submitter in any project.
I think that we can address it in a later phase though.
>>> 2. Potential reviewers should agree that they want to review?
no, since gerrit does not question the reviewer if he wants to be added or not 
I think we should keep this behaviour as well.

although as I see it, the operation of adding the reviewers, will not be 
completely automatic for the submitter, we should let the submitter of the 
patch to choose which reviewers he wants to add, very similar to the screen 
being used when doing a rebase in git. (see attached file
add_reviewers.png)
>>> 3. We can have more than one accepted reviewer?
Yes, that is correct.
>>
>> Hi Tomasz,
>> I'm not sure i understood exactly what you mean by 'potential reviewers'.
>> do want gerrit (hook?) to automatically add reviewers to a patch 
>> according to the code sent?
>> so in fact you'll have a place somewhere for mapping code & specific 
>> developers?
>>
>> cause if you mean by adding reviewers to a patch, that's easily done 
>> by just clicking the '+' sign on each patch.
>> those reviewers should have logged in at least once to 
>> gerrit.ovirt.org in order to be in the list of potential viewers, and 
>> they don't require any special permissions to review with +1/-1 any 
>> patch sent.
>> you can add as many reviewers as you want to a patch.
>>
>> does that answer your question?
>>
>> Eyal.
>>
>>
>>

Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[Maor Lipchuk]

On 03/11/2014 05:20 PM, Itamar Heim wrote:
> On 03/11/2014 05:14 PM, Eyal Edri wrote:
>>
>>
>> - Original Message -
>>> From: "Itamar Heim" 
>>> To: "Eyal Edri" , "Tomasz Kołek"
>>> , users@ovirt.org, "infra" 
>>> Sent: Tuesday, March 11, 2014 5:10:54 PM
>>> Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - questions
>>>
>>> On 03/11/2014 05:06 PM, Ewoud Kohl van Wijngaarden wrote:
 On Tue, Mar 11, 2014 at 10:37:22AM -0400, Eyal Edri wrote:
>> Tomasz Kołek wrote:
>>
>> I've got a few questions about project description.
>> Please tell me if my problem's understanding is good or not.
>> We need to add a few flags/methods to git review module. This flags
>> should
>> allow to add potential reviewers in gerrit.
>> So:
>> Let's assume that we've got special flags for this operations. What's
>> next?
>> 1. In gerrit system we need to add special place for potential
>> reviewers?
>> 2. Potential reviewers should agree that they want to review?
>> 3. We can have more than one accepted reviewer?
>
> I'm not sure i understood exactly what you mean by 'potential
> reviewers'.  do want gerrit (hook?) to automatically add reviewers to
> a patch according to the code sent?  so in fact you'll have a place
> somewhere for mapping code & specific developers?

 I really like this idea. Gerrit currently requires new users to know
 who
 to add as reviewers, IMHO impeding new contributors.

 One relative simple solution would be to look at who recently touched
 the files that are being modified and add them as reviewers. This
 can be
 done by looking at the git log for a file. Some pseudo python code
 solution:

 reviewers = set()

 for modified_file in commit.files:
   reviewers += set(commit.author for commit in
 git.log(modified_file))

 return reviewers

 This gives a system that those who touche a file, become the maintainer
 for that file. A more complex solution could improve on that and limit
 the reviewers added per patch. One can think of limiting to only
 contributions in the last X months, weigh contributions so common
 committers are prefered. It could also combine several methods.

 For example to limit to the 5 authors who touched the most files:

 reviewers = collections.Counter()  # New in python 2.7

 for modified_file in commit.files:
   reviewers += collections.Counter(commit.author for commit in
   git.log(modified_file))

 return [author for author, count in reviewers.most_common(5)]

 Since Counter also accepts a dictionary, one could also weigh the
 touched lines per file. Downside there is big whitespace/formatting
 patches can skew the line count.

 In short, I think an entire thesis could be written on the optimal way
 to determine reviewers but a simple algorithm could do to show the
 method works.

 Does this help?
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>>>
>>> I think if we do this, we want to make sure we cover per file who is
>>> required to +2 it before we consider it acked.
>>>
>>
>> won't it require maintaining static lists of people per
>> file/path/project?
>>
> 
> yes, but considering our project layout, i don't see an alternative.
> (some of the layout could be improved to be path based, rather than file
> based)
I think it could be done automatically by analysing the file and see who
mostly changed it recently, since the "owner" of the file might be
dynamic, who ever changed most of it few days ago might be more familiar
with it today

IMO the algorithm of adding the reviewers should be flexible.
For example, using a folder which will contain files, where each file
implement an algorithm to add the reviewers.

for instance we can have two files:
1. Add a reviewers by blame - the contributor which changed recently the
code lines
2. Add a reviewers by file - the contributor who changed most of the
file recently.

Each file will implement the functional operation and will output the
reviewers emails.

The user can then add a new algorithm or change it to be more specific
to its project.
for example the user can add also the maintainers which acked the patch
that was blamed.
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Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[Maor Lipchuk]

Hi Tomasz,

I'm very please to hear that you are interested in the GSOC project,
see my answers inline.

It's great to see that you know the material pretty well, I'm interested
to hear some more ideas and feedbacks.
I will start a thread soon (Maybe also schedule a call) once getting
more feedbacks from other contributors, so we can brain storm some more
and get practical with it.
If you have any more questions, please don't hesitate to ask me.

thanks,
Maor

On 03/11/2014 04:53 PM, Meital Bourvine wrote:
> Eyal,
> 
> I think that he's asking about [1].
> 
> As far as I understand, the idea is to automatically get the reviewers names, 
> with commands like `git blame`, or from gerrit - get previous reviewers to 
> the same file/module...
> 
> Adding Maor, since he might have some additional info.
> 
> [1] http://www.ovirt.org/Summer_of_Code#Idea:_Gerrit_add_potential_reviewers
> 
> - Original Message -
>> From: "Eyal Edri" 
>> To: "Tomasz Kołek" 
>> Cc: users@ovirt.org, "infra" 
>> Sent: Tuesday, March 11, 2014 4:37:22 PM
>> Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - questions
>>
>>
>>
>> - Original Message -
>>> From: "Tomasz Kołek" 
>>> To: users@ovirt.org
>>> Sent: Monday, March 10, 2014 9:56:28 PM
>>> Subject: [Users] [GSOC][Gerrit] add potential reviewers - questions
>>>
>>>
>>>
>>> Hi
>>>
>>> I'd like to contribute (within GSOC) in idea: Gerrit add potential
>>> reviewers.
>>>
>>> Maybe at first I’ll introduce myself.
>>> I'm Tomek, student from Poland. I study Computer Science at University of
>>> Wroclaw. The next year will be last year of my first degree study, I hope.
>>> As a python programmer I'm working since one year at Nokia Solutions and
>>> Networks (don't worry I intend to change my job to another or to
>>> participation at GSOC). Every day at work and school I'm using version
>>> control system (Git and SVN). At work we were using to Gerrit as a review
>>> system but currently we're using JIRA to report review statuses.
>>> I love spend my free time in mountains (mainly polish - Tatras mountains).
>>> That's all about me.
>>>
>>> I've got a few questions about project description.
>>> Please tell me if my problem's understanding is good or not.
>>> We need to add a few flags/methods to git review module. This flags should
>>> allow to add potential reviewers in gerrit.
>>> So:
>>> Let's assume that we've got special flags for this operations. What's next?
>>> 1. In gerrit system we need to add special place for potential reviewers?
Adding a plugin to gerrit is an interesting idea although it will
require the administrator to add it in the server, and I want that the
operation will be more available to any submitter in any project.
I think that we can address it in a later phase though.
>>> 2. Potential reviewers should agree that they want to review?
no, since gerrit does not question the reviewer if he wants to be added
or not I think we should keep this behaviour as well.

although as I see it, the operation of adding the reviewers, will not be
completely automatic for the submitter, we should let the submitter of
the patch to choose which reviewers he wants to add, very similar to the
screen being used when doing a rebase in git. (see attached file
add_reviewers.png)
>>> 3. We can have more than one accepted reviewer?
Yes, that is correct.
>>
>> Hi Tomasz,
>> I'm not sure i understood exactly what you mean by 'potential reviewers'.
>> do want gerrit (hook?) to automatically add reviewers to a patch according to
>> the code sent?
>> so in fact you'll have a place somewhere for mapping code & specific
>> developers?
>>
>> cause if you mean by adding reviewers to a patch, that's easily done by just
>> clicking the '+' sign on each patch.
>> those reviewers should have logged in at least once to gerrit.ovirt.org in
>> order to be in the list of potential viewers,
>> and they don't require any special permissions to review with +1/-1 any patch
>> sent.
>> you can add as many reviewers as you want to a patch.
>>
>> does that answer your question?
>>
>> Eyal.
>>
>>
>>
>>>
>>> I know above questions might seem chaotic but I think answers allow me to
>>> better understanding Yours needments
>>>
>>> Best regards
>>> Tomasz Kolek
>>>
>>> ___
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>>> 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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[Users] [Events] Call for Papers Update: March 11, 2014

[Brian Proffitt]

The following is a list of industry events that oVirt community members may 
want to attend and give presentations. If you are interested in speaking, or if 
you know of other events not on this list, please contact me at b...@redhat.com.

---

LinuxCon/CloudOpen Japan
May 20-22
Tokyo, Japan
http://events.linuxfoundation.org/events/linuxcon-japan
Call for papers deadline: 3/14/2014
Call for papers URL: 
http://events.linuxfoundation.org/events/linuxcon-japan/program/cfp

LISA
Nov. 9-14
Seattle, WA
https://www.usenix.org/conference/lisa14
Call for papers deadline: 4/14/2014
Call for papers URL: 
https://www.usenix.org/conference/lisa14/call-for-participation

DockerConf
June 6
London, UK
http://dockerconf.com/
Call for papers: Open (deadline not known)
Call for papers URL: http://bit.ly/1fnHtSA

LinuxCon/CloudOpen NA
Aug. 20-22
Chicago, IL
http://events.linuxfoundation.org/events/linuxcon-north-america
Call for papers deadline: 5/2/2014
Call for papers URL: 
http://events.linuxfoundation.org/events/linuxcon-north-america/program/cfp

LinuxCon/CloudOpen Europe
Oct. 13-15
http://events.linuxfoundation.org/events/cloudopen-europe
Dusseldorf, Germany
Call for papers deadline: 7/11/2014
Call for papers URL: 
http://events.linuxfoundation.org/events/cloudopen-europe/program/cfp

KVM Forum
Oct. 14-16
Dusseldorf, Germany
http://events.linuxfoundation.org/events/kvm-forum
Call for papers: Not Open

Linux.conf.au
Jan. 12-16, 2015
Auckland, NZ
Call for papers: Not Open

-- 
Brian Proffitt - oVirt Community Manager
Open Source and Standards, Red Hat - http://community.redhat.com
Phone: +1 312 477 4320 / Cell: +1 574 383 9BKP
IRC: bkp @ OFTC
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[Users] Best practice for securing oVirt's NFS mounts

[Prakash Surya]

Hi,

All the documentation I've seen states that the oVirt NFS storage should
use the "all_squash,anonuid=36,anongid=36" options. Obviously this isn't
secure, so I'm curious how others have locked down their NFS storage? Is
the best option to just limit access to these NFS exports to the IP
addresses of the hypervisor nodes (and maybe the engine)? Is there a
better way to go about this?

-- 
Cheers, Prakash

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Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[David Caro]

On Tue 11 Mar 2014 04:14:26 PM CET, Eyal Edri wrote:
>
>
> - Original Message -
>> From: "Itamar Heim" 
>> To: "Eyal Edri" , "Tomasz Kołek" , 
>> users@ovirt.org, "infra" 
>> Sent: Tuesday, March 11, 2014 5:10:54 PM
>> Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - questions
>>
>> On 03/11/2014 05:06 PM, Ewoud Kohl van Wijngaarden wrote:
>>> On Tue, Mar 11, 2014 at 10:37:22AM -0400, Eyal Edri wrote:
> Tomasz Kołek wrote:
>
> I've got a few questions about project description.
> Please tell me if my problem's understanding is good or not.
> We need to add a few flags/methods to git review module. This flags
> should
> allow to add potential reviewers in gerrit.
> So:
> Let's assume that we've got special flags for this operations. What's
> next?
> 1. In gerrit system we need to add special place for potential reviewers?
> 2. Potential reviewers should agree that they want to review?
> 3. We can have more than one accepted reviewer?

 I'm not sure i understood exactly what you mean by 'potential
 reviewers'.  do want gerrit (hook?) to automatically add reviewers to
 a patch according to the code sent?  so in fact you'll have a place
 somewhere for mapping code & specific developers?
>>>
>>> I really like this idea. Gerrit currently requires new users to know who
>>> to add as reviewers, IMHO impeding new contributors.
>>>
>>> One relative simple solution would be to look at who recently touched
>>> the files that are being modified and add them as reviewers. This can be
>>> done by looking at the git log for a file. Some pseudo python code
>>> solution:
>>>
>>> reviewers = set()
>>>
>>> for modified_file in commit.files:
>>>  reviewers += set(commit.author for commit in git.log(modified_file))
>>>
>>> return reviewers
>>>
>>> This gives a system that those who touche a file, become the maintainer
>>> for that file. A more complex solution could improve on that and limit
>>> the reviewers added per patch. One can think of limiting to only
>>> contributions in the last X months, weigh contributions so common
>>> committers are prefered. It could also combine several methods.
>>>
>>> For example to limit to the 5 authors who touched the most files:
>>>
>>> reviewers = collections.Counter()  # New in python 2.7
>>>
>>> for modified_file in commit.files:
>>>  reviewers += collections.Counter(commit.author for commit in
>>>  git.log(modified_file))
>>>
>>> return [author for author, count in reviewers.most_common(5)]
>>>
>>> Since Counter also accepts a dictionary, one could also weigh the
>>> touched lines per file. Downside there is big whitespace/formatting
>>> patches can skew the line count.
>>>
>>> In short, I think an entire thesis could be written on the optimal way
>>> to determine reviewers but a simple algorithm could do to show the
>>> method works.
>>>
>>> Does this help?
>>> ___
>>> Users mailing list
>>> Users@ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>
>> I think if we do this, we want to make sure we cover per file who is
>> required to +2 it before we consider it acked.
>>
>
> won't it require maintaining static lists of people per file/path/project?
> ___
> Infra mailing list
> in...@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/infra

We already discussed that, in the project, and one of the solutions 
proposed was to add metadata on each file/directory about the 
maintainers for that file/directory. For what I've seen in other 
projects (mainly openstack), they do that per repository, and not per 
file, that simplifies the maintainers selection greatly (having it on 
gerrit config so you don't have to check the code to decide who has 
merge rights).

But that might be another subject.

About dynamically adding reviewers, it should be fairly easy to do 
using a small gerrit hook to run on patch-submitted. But gerrit will 
fail if the user is not already created in gerrit so not really 
allowing non-registered users to get in. But I'm not sure if it's 
'polite' to add someone as a reviewer if he did not previously agreed 
to it, specially when emails will be sent to him.

And as Ewoud says, selecting which commiters are considered possible 
reviewers gives enough talk for a thesis by itself.

--
David Caro

Red Hat S.L.
Continuous Integration Engineer - EMEA ENG Virtualization R&D

Email: dc...@redhat.com
Web: www.redhat.com
RHT Global #: 82-62605



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Re: [Users] Adding a Second disk to a virtual windows 2008 R2 server

[Christian Hernandez]

In your Virtual Machine properties pane; you can click on the "disk" tab
and click "Add"


Thank you,

Christian Hernandez
1225 Los Angeles Street
Glendale, CA 91204
Phone: 877-782-2737 ext. 4566
Fax: 818-265-3152
christi...@4over.com 
www.4over.com 


On Tue, Mar 11, 2014 at 9:46 AM, Andy Michielsen
wrote:

> Hello,
>
> What is the way to go to add a second disk to my virtual windows server
> 2008R2 ?
>
> I'm using ovirt 3.3.3 on a centos 6.5 server.
>
> The windows server is in use so I 'm not at liberty to reïnstall a new one
> without loosing a lot of time.
>
> Kind regards.
>
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>
>
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[Users] Adding a Second disk to a virtual windows 2008 R2 server

[Andy Michielsen]

Hello,

What is the way to go to add a second disk to my virtual windows server
2008R2 ?

I'm using ovirt 3.3.3 on a centos 6.5 server.

The windows server is in use so I 'm not at liberty to reïnstall a new one
without loosing a lot of time.

Kind regards.
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Re: [Users] Win8 on oVirt

[Itamar Heim]

On 03/11/2014 06:21 PM, Sven Kieske wrote:



Am 11.03.2014 17:03, schrieb Itamar Heim:

change it in config to rhel6.5.0.

how and where? in the db or manually in the qemu-cmd?
because I can't change this through webadmin.
there is just "Red Hat Enterprise Linux 6.x x64" and
you can't select any specific subversion replacing "x".

its not technically a bug, since ovirt 3.3 GA'd before rhel 6.5 iirc.
the SEP flag will only work on -m rhel6.5.0 to preserve backward
compatibility (one host got upgraded to 6.5, another is still 6.4).





engineconfig, change the EmaultedMachine for a 3.3 cluster version
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Re: [Users] affects of changing compatibility setting on running cluster

[Itamar Heim]

On 03/11/2014 05:35 PM, Sven Kieske wrote:

Sorry, I just read to quick over the BZ, you're right :)

Would it be worth backporting this to 3.3.5 ?

If I understand this correctly you are not able to
use vdsm 4.14 with any ovirt-engine version < 3.4.0 ?


i understood this to "you can't use 4.14 with 3.4.0".



at least then ovirt-engine 3.3.x shouldn't try to
deploy vdsm 4.14 on hosts.


it should.



Am 11.03.2014 15:58, schrieb Itamar Heim:

seems 3.4.0 to me




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[Users] using cloud-init?

[Jason Brooks]

Hi all --

I've been trying, without success, to use cloud-init w/ oVirt 3.4 on Fedora
19 hosts. I've had similar failure in the past, but here are the steps I'm
taking currently:

1. Import as template F19 image from ovirt-image-repository glance repo
2. Create new vm based on that template
3. Choose ovirtmgmt as the nic1 for the VM
4. Show advanced options, click initial run, expand authentication, enter
a root password, paste my public key into the allowed ssh keys field
5. Hit OK, and then run the VM
6. In the VM's console, I see it complain about No instance datasource found
7. Unsurprisingly, I can't log in w/ pw or ssh.

(By the way, are there any default creds for these images? I thought they might
be based on the fedora cloud images, but their default uname fedora pw nothing
doesn't work)

I've tried some other derivations of this, launching from the Run Once menu,
filling in various different fields, etc.

Any clues? 

I don't see many people complaining about this, so I'm assuming it's working
for other people. I don't know, maybe it's something with Fedora?

Thanks, Jason
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Re: [Users] Win8 on oVirt

[Sven Kieske]

Am 11.03.2014 17:03, schrieb Itamar Heim:
> change it in config to rhel6.5.0.
how and where? in the db or manually in the qemu-cmd?
because I can't change this through webadmin.
there is just "Red Hat Enterprise Linux 6.x x64" and
you can't select any specific subversion replacing "x".
> its not technically a bug, since ovirt 3.3 GA'd before rhel 6.5 iirc.
> the SEP flag will only work on -m rhel6.5.0 to preserve backward
> compatibility (one host got upgraded to 6.5, another is still 6.4).


-- 
Mit freundlichen Grüßen / Regards

Sven Kieske

Systemadministrator
Mittwald CM Service GmbH & Co. KG
Königsberger Straße 6
32339 Espelkamp
T: +49-5772-293-100
F: +49-5772-293-333
https://www.mittwald.de
Geschäftsführer: Robert Meyer
St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen
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Re: [Users] VNIC Profiles / QoS in 3.3.3

[Sven Kieske]

Am 11.03.2014 17:10, schrieb Lior Vernia:
> Profiles can be attached to VMs via REST, but the QoS entities currently
> need to be created and associated with profiles via the GUI.

Thanks for the fast reply.

Thats enough for me atm, as I don't need that much QoS entities.

-- 
Mit freundlichen Grüßen / Regards

Sven Kieske

Systemadministrator
Mittwald CM Service GmbH & Co. KG
Königsberger Straße 6
32339 Espelkamp
T: +49-5772-293-100
F: +49-5772-293-333
https://www.mittwald.de
Geschäftsführer: Robert Meyer
St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen
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[Users] [ANN] oVirt 3.4.0 Second Release Candidate is now available

[Sandro Bonazzola]

The oVirt team is pleased to announce that the 3.4.0 Second Release Candidate 
is now available for testing.

Release notes and information on the changes for this update are still being 
worked on and will be available soon on the wiki[1].
Please ensure to follow install instruction from release notes if you're going 
to test it.
The existing repository ovirt-3.4.0-prerelease has been updated for delivering 
this release candidate and future refreshes until final release.

An oVirt Node iso will also be available soon.

We decided to postpone Final Release by one week in order to properly test the 
bugs fixed since last Release Candidate.
Help us make this the best release ever, testing it yourself!

[1] http://www.ovirt.org/OVirt_3.4.0_release_notes

-- 
Sandro Bonazzola
Better technology. Faster innovation. Powered by community collaboration.
See how it works at redhat.com
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Re: [Users] VNIC Profiles / QoS in 3.3.3

[Lior Vernia]

Hi Sven,

On 11/03/14 17:29, Sven Kieske wrote:
> Hi,
> 
> just got a quick question, because I can't test it myself atm:
> 
> Is the definition of vnic profiles with QoS values possible
> via REST in 3.3.3 ?

As far as I know it's impossible, as QoS entities haven't been added yet
in the API, due to some design uncertainties (this is still true for 3.4).

> 
> And even more important, can these defined profiles get
> attached to logical networks via REST in 3.3.3 ?

Profiles can be attached to VMs via REST, but the QoS entities currently
need to be created and associated with profiles via the GUI.

> 
> The wiki page is not really clear about the status of the
> implementation:
> 
> http://www.ovirt.org/Features/Vnic_Profiles
> 
> Thanks in advance!
> 
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Re: [Users] Win8 on oVirt

[Itamar Heim]

On 03/11/2014 05:41 PM, Sven Kieske wrote:

I don't know to what you are pointing here directly, but I think you
mean the qemu commandline?

in fact it is:
/usr/libexec/qemu-kvm -name centosbootstrap -S -M rhel6.4.0

but when I check the webadmin GUI the correct OS is selected:

"Red Hat Enterprise Linux 6.x x64"

as you might guess it's not paid RHEL but CentOS.

But this shouldn't make any difference, should it?

Is this a bug?



change it in config to rhel6.5.0.
its not technically a bug, since ovirt 3.3 GA'd before rhel 6.5 iirc.
the SEP flag will only work on -m rhel6.5.0 to preserve backward 
compatibility (one host got upgraded to 6.5, another is still 6.4).




Am 11.03.2014 16:03, schrieb Itamar Heim:

and the guest is lanunched with -m rhel6.5.0 (which is the default for a
3.3 cluster)?




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Re: [Users] Disk Migration Permissions

[Maurice James]

I opened a bug:https://bugzilla.redhat.com/show_bug.cgi?id=1071687 

> Date: Tue, 11 Mar 2014 16:47:30 +0200
> From: ih...@redhat.com
> To: midnightst...@msn.com; users@ovirt.org; amure...@redhat.com
> Subject: Re: [Users] Disk Migration Permissions
> 
> On 02/17/2014 07:46 PM, Maurice James wrote:
> > What permissions do I need to allow a user to be able to live migrate a
> > disk from one storage domain to another? I have a group with the Power
> > User and Super user permissions on the cluster and they get the
> > following error when attempting to migrate a disk
> >
> > Error while executing action: User is not authorized to perform this action.
> >
> >
> > 3.3.3-2.el6
> >
> >
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
> 
> was this resolved?
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Re: [Users] edit-node problems

[Simon Barrett]

Looks like I was downloading the wrong ISO.

VDSM enabled versions already exist here: 
http://resources.ovirt.org/releases/3.3/iso/


From: users-boun...@ovirt.org [mailto:users-boun...@ovirt.org] On Behalf Of 
Simon Barrett
Sent: 11 March 2014 13:26
To: 'users@ovirt.org'
Subject: [Users] edit-node problems

I'm trying to use edit-node to add the ovirt-node-plugin-vdsm plugin to the 
ovirt-node-iso-3.0.2-1.0.0.el6.iso that I downloaded from here: 
http://resources.ovirt.org/releases/node-base/stable/iso/ovirt-node-iso-3.0.2-1.0.0.el6.iso

Whenever I run any edit-node commands against this iso I get the error below:

# ./ovirt-node/tools/edit-node -dv --print-rpm-manifest 
/app/iso/ovirt-node-iso-3.0.2-1.0.0.el6.iso
/app/iso/ovirt-node-iso-3.0.2-1.0.0.el6.iso
Losetup add /dev/loop0 mapping to /app/iso/ovirt-node-iso-3.0.2-1.0.0.el6.iso
Mounting /dev/loop0 at /var/tmp/edit-liveos-nEP1ae/tmp-IrE34t
Losetup add /dev/loop1 mapping to 
/var/tmp/edit-liveos-nEP1ae/tmp-IrE34t/LiveOS/squashfs.img
Mounting /dev/loop1 at /var/tmp/edit-liveos-nEP1ae/tmp-VOGtjF
mount: block device /dev/loop1 is write-protected, mounting read-only
Unmounting directory /var/tmp/edit-liveos-nEP1ae/tmp-VOGtjF
Losetup remove /dev/loop1
Unmounting directory /var/tmp/edit-liveos-nEP1ae/tmp-IrE34t
Losetup remove /dev/loop0
/usr/lib/python2.6/site-packages/imgcreate/errors.py:45: DeprecationWarning: 
BaseException.message has been deprecated as of Python 2.6
  return unicode(self.message)
Error editing LiveOS : Failed to copy base live image to 
/var/tmp/edit-liveos-nEP1ae/ex/ext3fs.img for modification: [Errno 5] 
Input/output error


If I try the same with ovirt-node-iso-3.0.1-1.0.2.el6.iso (downloaded from the 
same location) all works as expected.

I've tried this on CentOS 6.2 and 6.4, same results on both.

Can anyone tell me where I am going wrong? Alternatively is there a newer node 
ISO that already has the ovirt-node-plugin-vdsm plugin installed?

Thanks,

Simon
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Re: [Users] Win8 on oVirt

[Sven Kieske]

I don't know to what you are pointing here directly, but I think you
mean the qemu commandline?

in fact it is:
/usr/libexec/qemu-kvm -name centosbootstrap -S -M rhel6.4.0

but when I check the webadmin GUI the correct OS is selected:

"Red Hat Enterprise Linux 6.x x64"

as you might guess it's not paid RHEL but CentOS.

But this shouldn't make any difference, should it?

Is this a bug?


Am 11.03.2014 16:03, schrieb Itamar Heim:
> and the guest is lanunched with -m rhel6.5.0 (which is the default for a
> 3.3 cluster)?

-- 
Mit freundlichen Grüßen / Regards

Sven Kieske

Systemadministrator
Mittwald CM Service GmbH & Co. KG
Königsberger Straße 6
32339 Espelkamp
T: +49-5772-293-100
F: +49-5772-293-333
https://www.mittwald.de
Geschäftsführer: Robert Meyer
St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
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Re: [Users] Reimporting storage domains after reinstalling ovirt

[Liron Aravot]

- Original Message -
> From: "Boudewijn Ector" 
> To: "Jason Brooks" 
> Cc: users@ovirt.org
> Sent: Tuesday, March 11, 2014 1:32:00 AM
> Subject: Re: [Users] Reimporting storage domains after reinstalling ovirt
> 
> 
> > 
> > Some people have reported success creating an image of the desired
> > size, then noting the name of this new image, and copying the old
> > image into the place of the new one, with the new name. Something
> > like that might work, but I don't have first-hand experience w/
> > it.
> > 
> > Jason
> 
> Hi Jason,
> 
> 
> Due to lack of viable alternative, I've decided to go and try this
> approach. I just had a look at my datafiles:
> 
> - these are either 8gb (OS) or 250gb (LVM images)
> - can't mount those directly in my host OS (tried because of the next
> point)
> - I don't know to what VM this image/VM belongs . They're all quite
> the same (basic debian install), so determining it just by running
> strings etc on those will not be easy
> - I can't import the old VMs from the old storage. If I create new
> images and dd the old information into those new images the metadata
> will not be copied too.
> 
> So the only option is not reusing the VM's  but creating completely
> new ones and determining which disk images are required for these VMs.
> Then creating the new image structure and dd'ing the corresponding
> images from the old VMs into the new ones. In order to do so I need to
> know what data belongs to what VM.
> Is there a trick for doing this?
> 
> I still do have the database from the old ovirt machine, this might
> save me. Will have a look into that one tomorrow.
> 
> Cheers,
> 
> Boudewijn

Hi Boudewijn,
So we can proceed and recover your data i'd like to know -
1. can you use the db backup? will you lose any important data if you chose to 
use it?
2, did you have snapshots for your vm?

please answer so we can proceed with it, we can find methods for restoring 
without having to perform images copy (and to restore with copying) - but each 
way has it's implications.
thanks,
Liron.
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> http://lists.ovirt.org/mailman/listinfo/users
> 
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Re: [Users] affects of changing compatibility setting on running cluster

[Sven Kieske]

Sorry, I just read to quick over the BZ, you're right :)

Would it be worth backporting this to 3.3.5 ?

If I understand this correctly you are not able to
use vdsm 4.14 with any ovirt-engine version < 3.4.0 ?

at least then ovirt-engine 3.3.x shouldn't try to
deploy vdsm 4.14 on hosts.

Am 11.03.2014 15:58, schrieb Itamar Heim:
> seems 3.4.0 to me

-- 
Mit freundlichen Grüßen / Regards

Sven Kieske

Systemadministrator
Mittwald CM Service GmbH & Co. KG
Königsberger Straße 6
32339 Espelkamp
T: +49-5772-293-100
F: +49-5772-293-333
https://www.mittwald.de
Geschäftsführer: Robert Meyer
St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen
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[Users] VNIC Profiles / QoS in 3.3.3

[Sven Kieske]

Hi,

just got a quick question, because I can't test it myself atm:

Is the definition of vnic profiles with QoS values possible
via REST in 3.3.3 ?

And even more important, can these defined profiles get
attached to logical networks via REST in 3.3.3 ?

The wiki page is not really clear about the status of the
implementation:

http://www.ovirt.org/Features/Vnic_Profiles

Thanks in advance!
-- 
Mit freundlichen Grüßen / Regards

Sven Kieske

Systemadministrator
Mittwald CM Service GmbH & Co. KG
Königsberger Straße 6
32339 Espelkamp
T: +49-5772-293-100
F: +49-5772-293-333
https://www.mittwald.de
Geschäftsführer: Robert Meyer
St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen
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Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[Yedidyah Bar David]

- Original Message -
> From: "Itamar Heim" 
> To: "Eyal Edri" 
> Cc: users@ovirt.org, "Tomasz Kołek" , "infra" 
> 
> Sent: Tuesday, March 11, 2014 5:20:29 PM
> Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - questions
> 
> On 03/11/2014 05:14 PM, Eyal Edri wrote:
> >
> >
> > - Original Message -
> >> From: "Itamar Heim" 
> >> To: "Eyal Edri" , "Tomasz Kołek" ,
> >> users@ovirt.org, "infra" 
> >> Sent: Tuesday, March 11, 2014 5:10:54 PM
> >> Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - questions
> >>
> >> On 03/11/2014 05:06 PM, Ewoud Kohl van Wijngaarden wrote:
> >>> On Tue, Mar 11, 2014 at 10:37:22AM -0400, Eyal Edri wrote:
> > Tomasz Kołek wrote:
> >
> > I've got a few questions about project description.
> > Please tell me if my problem's understanding is good or not.
> > We need to add a few flags/methods to git review module. This flags
> > should
> > allow to add potential reviewers in gerrit.
> > So:
> > Let's assume that we've got special flags for this operations. What's
> > next?
> > 1. In gerrit system we need to add special place for potential
> > reviewers?
> > 2. Potential reviewers should agree that they want to review?
> > 3. We can have more than one accepted reviewer?
> 
>  I'm not sure i understood exactly what you mean by 'potential
>  reviewers'.  do want gerrit (hook?) to automatically add reviewers to
>  a patch according to the code sent?  so in fact you'll have a place
>  somewhere for mapping code & specific developers?
> >>>
> >>> I really like this idea. Gerrit currently requires new users to know who
> >>> to add as reviewers, IMHO impeding new contributors.
> >>>
> >>> One relative simple solution would be to look at who recently touched
> >>> the files that are being modified and add them as reviewers. This can be
> >>> done by looking at the git log for a file. Some pseudo python code
> >>> solution:
> >>>
> >>> reviewers = set()
> >>>
> >>> for modified_file in commit.files:
> >>>   reviewers += set(commit.author for commit in
> >>>   git.log(modified_file))
> >>>
> >>> return reviewers
> >>>
> >>> This gives a system that those who touche a file, become the maintainer
> >>> for that file. A more complex solution could improve on that and limit
> >>> the reviewers added per patch. One can think of limiting to only
> >>> contributions in the last X months, weigh contributions so common
> >>> committers are prefered. It could also combine several methods.
> >>>
> >>> For example to limit to the 5 authors who touched the most files:
> >>>
> >>> reviewers = collections.Counter()  # New in python 2.7
> >>>
> >>> for modified_file in commit.files:
> >>>   reviewers += collections.Counter(commit.author for commit in
> >>>   git.log(modified_file))
> >>>
> >>> return [author for author, count in reviewers.most_common(5)]
> >>>
> >>> Since Counter also accepts a dictionary, one could also weigh the
> >>> touched lines per file. Downside there is big whitespace/formatting
> >>> patches can skew the line count.
> >>>
> >>> In short, I think an entire thesis could be written on the optimal way
> >>> to determine reviewers but a simple algorithm could do to show the
> >>> method works.
> >>>
> >>> Does this help?
> >>> ___
> >>> Users mailing list
> >>> Users@ovirt.org
> >>> http://lists.ovirt.org/mailman/listinfo/users
> >>>
> >>
> >> I think if we do this, we want to make sure we cover per file who is
> >> required to +2 it before we consider it acked.
> >>
> >
> > won't it require maintaining static lists of people per file/path/project?
> >
> 
> yes, but considering our project layout, i don't see an alternative.
> (some of the layout could be improved to be path based, rather than file
> based)

Extending Ewoud's idea, we can also check the list of people committing
(rather than reviewing) changes to each file in the change.
-- 
Didi
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Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[Itamar Heim]

On 03/11/2014 05:14 PM, Eyal Edri wrote:



- Original Message -

From: "Itamar Heim" 
To: "Eyal Edri" , "Tomasz Kołek" , users@ovirt.org, 
"infra" 
Sent: Tuesday, March 11, 2014 5:10:54 PM
Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

On 03/11/2014 05:06 PM, Ewoud Kohl van Wijngaarden wrote:

On Tue, Mar 11, 2014 at 10:37:22AM -0400, Eyal Edri wrote:

Tomasz Kołek wrote:

I've got a few questions about project description.
Please tell me if my problem's understanding is good or not.
We need to add a few flags/methods to git review module. This flags
should
allow to add potential reviewers in gerrit.
So:
Let's assume that we've got special flags for this operations. What's
next?
1. In gerrit system we need to add special place for potential reviewers?
2. Potential reviewers should agree that they want to review?
3. We can have more than one accepted reviewer?


I'm not sure i understood exactly what you mean by 'potential
reviewers'.  do want gerrit (hook?) to automatically add reviewers to
a patch according to the code sent?  so in fact you'll have a place
somewhere for mapping code & specific developers?


I really like this idea. Gerrit currently requires new users to know who
to add as reviewers, IMHO impeding new contributors.

One relative simple solution would be to look at who recently touched
the files that are being modified and add them as reviewers. This can be
done by looking at the git log for a file. Some pseudo python code
solution:

reviewers = set()

for modified_file in commit.files:
  reviewers += set(commit.author for commit in git.log(modified_file))

return reviewers

This gives a system that those who touche a file, become the maintainer
for that file. A more complex solution could improve on that and limit
the reviewers added per patch. One can think of limiting to only
contributions in the last X months, weigh contributions so common
committers are prefered. It could also combine several methods.

For example to limit to the 5 authors who touched the most files:

reviewers = collections.Counter()  # New in python 2.7

for modified_file in commit.files:
  reviewers += collections.Counter(commit.author for commit in
  git.log(modified_file))

return [author for author, count in reviewers.most_common(5)]

Since Counter also accepts a dictionary, one could also weigh the
touched lines per file. Downside there is big whitespace/formatting
patches can skew the line count.

In short, I think an entire thesis could be written on the optimal way
to determine reviewers but a simple algorithm could do to show the
method works.

Does this help?
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I think if we do this, we want to make sure we cover per file who is
required to +2 it before we consider it acked.



won't it require maintaining static lists of people per file/path/project?



yes, but considering our project layout, i don't see an alternative.
(some of the layout could be improved to be path based, rather than file 
based)

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Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[Eyal Edri]

- Original Message -
> From: "Itamar Heim" 
> To: "Eyal Edri" , "Tomasz Kołek" , 
> users@ovirt.org, "infra" 
> Sent: Tuesday, March 11, 2014 5:10:54 PM
> Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - questions
> 
> On 03/11/2014 05:06 PM, Ewoud Kohl van Wijngaarden wrote:
> > On Tue, Mar 11, 2014 at 10:37:22AM -0400, Eyal Edri wrote:
> >>> Tomasz Kołek wrote:
> >>>
> >>> I've got a few questions about project description.
> >>> Please tell me if my problem's understanding is good or not.
> >>> We need to add a few flags/methods to git review module. This flags
> >>> should
> >>> allow to add potential reviewers in gerrit.
> >>> So:
> >>> Let's assume that we've got special flags for this operations. What's
> >>> next?
> >>> 1. In gerrit system we need to add special place for potential reviewers?
> >>> 2. Potential reviewers should agree that they want to review?
> >>> 3. We can have more than one accepted reviewer?
> >>
> >> I'm not sure i understood exactly what you mean by 'potential
> >> reviewers'.  do want gerrit (hook?) to automatically add reviewers to
> >> a patch according to the code sent?  so in fact you'll have a place
> >> somewhere for mapping code & specific developers?
> >
> > I really like this idea. Gerrit currently requires new users to know who
> > to add as reviewers, IMHO impeding new contributors.
> >
> > One relative simple solution would be to look at who recently touched
> > the files that are being modified and add them as reviewers. This can be
> > done by looking at the git log for a file. Some pseudo python code
> > solution:
> >
> > reviewers = set()
> >
> > for modified_file in commit.files:
> >  reviewers += set(commit.author for commit in git.log(modified_file))
> >
> > return reviewers
> >
> > This gives a system that those who touche a file, become the maintainer
> > for that file. A more complex solution could improve on that and limit
> > the reviewers added per patch. One can think of limiting to only
> > contributions in the last X months, weigh contributions so common
> > committers are prefered. It could also combine several methods.
> >
> > For example to limit to the 5 authors who touched the most files:
> >
> > reviewers = collections.Counter()  # New in python 2.7
> >
> > for modified_file in commit.files:
> >  reviewers += collections.Counter(commit.author for commit in
> >  git.log(modified_file))
> >
> > return [author for author, count in reviewers.most_common(5)]
> >
> > Since Counter also accepts a dictionary, one could also weigh the
> > touched lines per file. Downside there is big whitespace/formatting
> > patches can skew the line count.
> >
> > In short, I think an entire thesis could be written on the optimal way
> > to determine reviewers but a simple algorithm could do to show the
> > method works.
> >
> > Does this help?
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
> 
> I think if we do this, we want to make sure we cover per file who is
> required to +2 it before we consider it acked.
> 

won't it require maintaining static lists of people per file/path/project? 
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Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[Itamar Heim]

On 03/11/2014 05:06 PM, Ewoud Kohl van Wijngaarden wrote:

On Tue, Mar 11, 2014 at 10:37:22AM -0400, Eyal Edri wrote:

Tomasz Kołek wrote:

I've got a few questions about project description.
Please tell me if my problem's understanding is good or not.
We need to add a few flags/methods to git review module. This flags should
allow to add potential reviewers in gerrit.
So:
Let's assume that we've got special flags for this operations. What's next?
1. In gerrit system we need to add special place for potential reviewers?
2. Potential reviewers should agree that they want to review?
3. We can have more than one accepted reviewer?


I'm not sure i understood exactly what you mean by 'potential
reviewers'.  do want gerrit (hook?) to automatically add reviewers to
a patch according to the code sent?  so in fact you'll have a place
somewhere for mapping code & specific developers?


I really like this idea. Gerrit currently requires new users to know who
to add as reviewers, IMHO impeding new contributors.

One relative simple solution would be to look at who recently touched
the files that are being modified and add them as reviewers. This can be
done by looking at the git log for a file. Some pseudo python code
solution:

reviewers = set()

for modified_file in commit.files:
 reviewers += set(commit.author for commit in git.log(modified_file))

return reviewers

This gives a system that those who touche a file, become the maintainer
for that file. A more complex solution could improve on that and limit
the reviewers added per patch. One can think of limiting to only
contributions in the last X months, weigh contributions so common
committers are prefered. It could also combine several methods.

For example to limit to the 5 authors who touched the most files:

reviewers = collections.Counter()  # New in python 2.7

for modified_file in commit.files:
 reviewers += collections.Counter(commit.author for commit in 
git.log(modified_file))

return [author for author, count in reviewers.most_common(5)]

Since Counter also accepts a dictionary, one could also weigh the
touched lines per file. Downside there is big whitespace/formatting
patches can skew the line count.

In short, I think an entire thesis could be written on the optimal way
to determine reviewers but a simple algorithm could do to show the
method works.

Does this help?
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I think if we do this, we want to make sure we cover per file who is 
required to +2 it before we consider it acked.

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Re: [Users] hosted engine help

[Giuseppe Ragusa]

> Date: Tue, 11 Mar 2014 15:16:36 +0100
> From: sbona...@redhat.com
> To: giuseppe.rag...@hotmail.com; jbro...@redhat.com; msi...@redhat.com
> CC: users@ovirt.org; fsimo...@redhat.com; gpadg...@redhat.com
> Subject: Re: [Users] hosted engine help
> 
> Il 10/03/2014 22:32, Giuseppe Ragusa ha scritto:
> > Hi all,
> > 
> >> Date: Mon, 10 Mar 2014 12:56:19 -0400
> >> From: jbro...@redhat.com
> >> To: msi...@redhat.com
> >> CC: users@ovirt.org
> >> Subject: Re: [Users] hosted engine help
> >>
> >>
> >>
> >> - Original Message -
> >> > From: "Martin Sivak" 
> >> > To: "Dan Kenigsberg" 
> >> > Cc: users@ovirt.org
> >> > Sent: Saturday, March 8, 2014 11:52:59 PM
> >> > Subject: Re: [Users] hosted engine help
> >> >
> >> > Hi Jason,
> >> >
> >> > can you please attach the full logs? We had very similar issue before I 
> >> > we
> >> > need to see if is the same or not.
> >>
> >> I may have to recreate it -- I switched back to an all in one engine after 
> >> my
> >> setup started refusing to run the engine at all. It's no fun losing your 
> >> engine!
> >>
> >> This was a migrated-from-standalone setup, maybe that caused additional 
> >> wrinkles...
> >>
> >> Jason
> >>
> >> >
> >> > Thanks
> > 
> > I experienced the exact same symptoms as Jason on a from-scratch 
> > installation on two physical nodes with CentOS 6.5 (fully up-to-date) using 
> > oVirt
> > 3.4.0_pre (latest test-day release) and GlusterFS 3.5.0beta3 (with 
> > Gluster-provided NFS as storage for the self-hosted engine VM only).
> 
> Using GlusterFS with hosted-engine storage is not supported and not 
> recommended.
> HA daemon may not work properly there.

If it is unsupported (and particularly "not recommended") even with the 
interposed NFS (the native Gluster-provided NFSv3 export of a volume), then 
which is the recommended way to setup a fault-tolerant load-balanced 2 node 
oVirt cluster (without external dedicated SAN/NAS)?

> > I roughly followed the guide from Andrew Lau:
> > 
> > http://www.andrewklau.com/ovirt-hosted-engine-with-3-4-0-nightly/
> > 
> > with some variations due to newer packages (resolved bugs) and different 
> > hardware setup (no VLANs in my setup: physically separated networks; custom
> > second nic added to Engine VM template before deploying etc.)
> > 
> > The self-hosted installation on first node + Engine VM (configured for 
> > managing both oVirt and the storage; Datacenter default set to NFS because 
> > no
> > GlusterFS offered) went apparently smooth, but the HA-agent failed to start 
> > at the very end (same errors in logs as Jason: the storage domain seems
> > "missing") and I was only able to start it all manually with:
> > 
> > hosted-engine --connect-storage
> > hosted-engine --start-pool
> 
> The above commands are used for development and shouldn't be used for 
> starting the engine.

Directly starting the engine (with the command below) failed because of storage 
unavailability, so I used the above "trick" as a "last resort" to at least 
prove that the engine was able to start and had not been somewhat "destroyed" 
or "lost" in the process (but I do understand that it is an extreme debug-only 
action).

> > hosted-engine --vm-start
> > 
> > then the Engine came up and I could use it, I even registered the second 
> > node (same final error in HA-agent) and tried to add GlusterFS storage
> > domains for further VMs and ISOs (by the way: the original NFS-GlusterFS 
> > domain for Engine VM only is not present inside the Engine web UI) but it
> > always failed activating the domains (they remain "Inactive").
> > 
> > Furthermore the engine gets killed some time after starting (from 3 up to 
> > 11 hours later) and the only way to get it back is repeating the above 
> > commands.
> 
> Need logs for this.

I will try to reproduce it all, but I can recall that on libvirt logs 
(HostedEngine.log) there was always clear indication of the PID that killed the 
Engine VM and each time it belonged to an instance of sanlock.

> > I always managed GlusterFS "natively" (not through oVirt) from the 
> > commandline and verified that the NFS-exported Engine-VM-only volume gets
> > replicated, but I obviously failed to try migration because the HA part 
> > results inactive and oVirt refuse to migrate the Engine.
> > 
> > Since I tried many times, with variations and further manual actions 
> > between (like trying to manually mount the NFS Engine domain, restarting the
> > HA-agent only etc.), my logs are "cluttered", so I should start from 
> > scratch again and pack up all logs in one swipe.
> 
> +1

;>

> > Tell me what I should capture and at which points in the whole process and 
> > I will try to follow up as soon as possible.
> 
> What:
> hosted-engine-setup, hosted-engine-ha, vdsm, libvirt, sanlock from the 
> physical hosts and engine and server logs from the hosted engine VM.
> 
> When:
> As soon as you see an error.

If the setup design (wholly GlusterFS based) is somewhat flawed, please point 
me t

Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[Ewoud Kohl van Wijngaarden]

On Tue, Mar 11, 2014 at 10:37:22AM -0400, Eyal Edri wrote:
> > Tomasz Kołek wrote:
> > 
> > I've got a few questions about project description.
> > Please tell me if my problem's understanding is good or not.
> > We need to add a few flags/methods to git review module. This flags should
> > allow to add potential reviewers in gerrit.
> > So:
> > Let's assume that we've got special flags for this operations. What's next?
> > 1. In gerrit system we need to add special place for potential reviewers?
> > 2. Potential reviewers should agree that they want to review?
> > 3. We can have more than one accepted reviewer?
> 
> I'm not sure i understood exactly what you mean by 'potential
> reviewers'.  do want gerrit (hook?) to automatically add reviewers to
> a patch according to the code sent?  so in fact you'll have a place
> somewhere for mapping code & specific developers?

I really like this idea. Gerrit currently requires new users to know who
to add as reviewers, IMHO impeding new contributors.

One relative simple solution would be to look at who recently touched
the files that are being modified and add them as reviewers. This can be
done by looking at the git log for a file. Some pseudo python code
solution:

reviewers = set()

for modified_file in commit.files:
reviewers += set(commit.author for commit in git.log(modified_file))

return reviewers

This gives a system that those who touche a file, become the maintainer
for that file. A more complex solution could improve on that and limit
the reviewers added per patch. One can think of limiting to only
contributions in the last X months, weigh contributions so common
committers are prefered. It could also combine several methods.

For example to limit to the 5 authors who touched the most files:

reviewers = collections.Counter()  # New in python 2.7

for modified_file in commit.files:
reviewers += collections.Counter(commit.author for commit in 
git.log(modified_file))

return [author for author, count in reviewers.most_common(5)]

Since Counter also accepts a dictionary, one could also weigh the
touched lines per file. Downside there is big whitespace/formatting
patches can skew the line count.

In short, I think an entire thesis could be written on the optimal way
to determine reviewers but a simple algorithm could do to show the
method works.

Does this help?
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Re: [Users] Win8 on oVirt

[Itamar Heim]

On 03/11/2014 04:51 PM, Sven Kieske wrote:

Well,

I got SEP flag on my compute node, the cluster level is 3.3
engine is 3.3.3-2.el6
however in my centos 6.5 vm I got no sep flag

this is my qemu-kvm version:

rpm -qa | grep qemu-kvm
qemu-kvm-0.12.1.2-2.415.el6_5.4.x86_64

yum update qemu-kvm shows me, there is a newer version:

0.12.1.2-2.415.el6_5.5

the changelog states:

2014-02-25 - Miroslav Rezanina  -
0.12.1.2-2.415.el6_5.5 -
kvm-monitor-Cleanup-mon-outbuf-on-write-error.patch [bz#1069239] -
Resolves: bz#1069239 (QMP socket breaks on unexpected close)

Which leads to this BZ, which seems to have nothing to do at all
with this flag:

https://bugzilla.redhat.com/show_bug.cgi?id=1069239


and the guest is lanunched with -m rhel6.5.0 (which is the default for a 
3.3 cluster)?





Am 11.03.2014 15:06, schrieb Itamar Heim:

then assuming qemu-kvm is up to date, it should expose sep to the guest
if exists on the host.




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Re: [Users] affects of changing compatibility setting on running cluster

[Itamar Heim]

On 03/11/2014 04:54 PM, Sven Kieske wrote:

This is a known bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1067096

this was retargeted to 3.4.1


seems 3.4.0 to me



I suspect to much automation, as this should maybe block the 3.4 GA
release?

Am 11.03.2014 15:22, schrieb Itamar Heim:

On 03/06/2014 04:59 PM, Charles Weber wrote:

Hi everyone,
I believe I need to change my cluster compatibility level and would
like to know if I can do this ona live cluster or if I have to change
everything to maintenance mode first.

I ran engine setup and upgraded to current engine level then tried to
add a new node using the 3.3.4 el6 iso. This resulted in an error:

Host x.x.x.x is installed with VDSM version (4.14) and cannot join
cluster Default which is compatible with VDSM versions
[4.13,4.9,4.11,4.12,4.10].

My current versions are:
Engine 3.3.4-1.el6 at compatibiltiy version 3.2

2 Nodes running CentOS 6.4 with VDSM 4.10.3-0.36.23.el6

Am I correct that I need to change the compatibility version to 3.3?
This has some production VMs, do I need to turn everything off first
or is this a non-interruptive change?
How will this upgrade affect my current 2 hosts at their version?

My original idea was to migrate working VMs to new ovirt ISO node and
then re-install original nodes to the same version off the 3.3.4 el6 iso.

I appreciate any advice.
Chuck
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actually no. this sounds like a bug in VDSM 4.14 not updated to report
compatibility with ovirt-engine 3.3
danken?
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Re: [Users] Confused about Gluster usage

[Itamar Heim]

On 02/18/2014 10:37 AM, Martijn Grendelman wrote:

Hi,

I have been running oVirt 3.3.3 with a single node in a NFS type data
center. Now, I would like to set up a second node. Both nodes have
plenty of storage, but they're only connected to each other over 1 Gbit.
I'm running nodes on CentOS 6.5.

What I would like to accomplish is:

* use a Gluster-backed DATA domain on my existing NFS datacenter
* load balancing by even spread of VMs over the two nodes
* leveraging the speed of local storage, so running a VM over NFS to the
other node is undesireable

So I was thinking I want the storage to be replicated, so that I can
take a node down for maintenance without having to migrate all the
storage to another node.

I was thinking: GlusterFS.

But I am confused on how to set it up. I understand I cannot use the
libgfapi native integration due to dependency problems on CentOS. I have
set up a replicated Gluster volume manually.

How can I use my two nodes with this Gluster volume? What are the
necessary steps?


create a gluster DC/add a cluster to it/add hosts to that cluster/add a 
gluster storage domain (ovirt 3.3) using that gluster volume/add vm/run vm.




I did try a couple of things; most notably I was able to create a 2nd
data center with POSIX storage, and mount the Gluster volume there, but
that doesn't work for the first node.


use the gluster storage domain rather than the posix one.



Alternatively, it would also be fine to migrate all existing VMs to the
POSIX datacenter and then move the existing node from the old NFS data
center to the new POSIX data center. Is that possible without
exporting/importing all the VMs?


for now, export/import is simplest to do this



Cheers,
Martijn.
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Re: [Users] affects of changing compatibility setting on running cluster

[Sven Kieske]

This is a known bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1067096

this was retargeted to 3.4.1

I suspect to much automation, as this should maybe block the 3.4 GA
release?

Am 11.03.2014 15:22, schrieb Itamar Heim:
> On 03/06/2014 04:59 PM, Charles Weber wrote:
>> Hi everyone,
>> I believe I need to change my cluster compatibility level and would
>> like to know if I can do this ona live cluster or if I have to change
>> everything to maintenance mode first.
>>
>> I ran engine setup and upgraded to current engine level then tried to
>> add a new node using the 3.3.4 el6 iso. This resulted in an error:
>>
>> Host x.x.x.x is installed with VDSM version (4.14) and cannot join
>> cluster Default which is compatible with VDSM versions
>> [4.13,4.9,4.11,4.12,4.10].
>>
>> My current versions are:
>> Engine 3.3.4-1.el6 at compatibiltiy version 3.2
>>
>> 2 Nodes running CentOS 6.4 with VDSM 4.10.3-0.36.23.el6
>>
>> Am I correct that I need to change the compatibility version to 3.3?
>> This has some production VMs, do I need to turn everything off first
>> or is this a non-interruptive change?
>> How will this upgrade affect my current 2 hosts at their version?
>>
>> My original idea was to migrate working VMs to new ovirt ISO node and
>> then re-install original nodes to the same version off the 3.3.4 el6 iso.
>>
>> I appreciate any advice.
>> Chuck
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>> http://lists.ovirt.org/mailman/listinfo/users
>>
> 
> actually no. this sounds like a bug in VDSM 4.14 not updated to report
> compatibility with ovirt-engine 3.3
> danken?
> ___
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> http://lists.ovirt.org/mailman/listinfo/users
> 
> 
> 

-- 
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Sven Kieske

Systemadministrator
Mittwald CM Service GmbH & Co. KG
Königsberger Straße 6
32339 Espelkamp
T: +49-5772-293-100
F: +49-5772-293-333
https://www.mittwald.de
Geschäftsführer: Robert Meyer
St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen
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Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[Meital Bourvine]

Eyal,

I think that he's asking about [1].

As far as I understand, the idea is to automatically get the reviewers names, 
with commands like `git blame`, or from gerrit - get previous reviewers to the 
same file/module...

Adding Maor, since he might have some additional info.

[1] http://www.ovirt.org/Summer_of_Code#Idea:_Gerrit_add_potential_reviewers

- Original Message -
> From: "Eyal Edri" 
> To: "Tomasz Kołek" 
> Cc: users@ovirt.org, "infra" 
> Sent: Tuesday, March 11, 2014 4:37:22 PM
> Subject: Re: [Users] [GSOC][Gerrit] add potential reviewers - questions
> 
> 
> 
> - Original Message -
> > From: "Tomasz Kołek" 
> > To: users@ovirt.org
> > Sent: Monday, March 10, 2014 9:56:28 PM
> > Subject: [Users] [GSOC][Gerrit] add potential reviewers - questions
> > 
> > 
> > 
> > Hi
> > 
> > I'd like to contribute (within GSOC) in idea: Gerrit add potential
> > reviewers.
> > 
> > Maybe at first I’ll introduce myself.
> > I'm Tomek, student from Poland. I study Computer Science at University of
> > Wroclaw. The next year will be last year of my first degree study, I hope.
> > As a python programmer I'm working since one year at Nokia Solutions and
> > Networks (don't worry I intend to change my job to another or to
> > participation at GSOC). Every day at work and school I'm using version
> > control system (Git and SVN). At work we were using to Gerrit as a review
> > system but currently we're using JIRA to report review statuses.
> > I love spend my free time in mountains (mainly polish - Tatras mountains).
> > That's all about me.
> > 
> > I've got a few questions about project description.
> > Please tell me if my problem's understanding is good or not.
> > We need to add a few flags/methods to git review module. This flags should
> > allow to add potential reviewers in gerrit.
> > So:
> > Let's assume that we've got special flags for this operations. What's next?
> > 1. In gerrit system we need to add special place for potential reviewers?
> > 2. Potential reviewers should agree that they want to review?
> > 3. We can have more than one accepted reviewer?
> 
> Hi Tomasz,
> I'm not sure i understood exactly what you mean by 'potential reviewers'.
> do want gerrit (hook?) to automatically add reviewers to a patch according to
> the code sent?
> so in fact you'll have a place somewhere for mapping code & specific
> developers?
> 
> cause if you mean by adding reviewers to a patch, that's easily done by just
> clicking the '+' sign on each patch.
> those reviewers should have logged in at least once to gerrit.ovirt.org in
> order to be in the list of potential viewers,
> and they don't require any special permissions to review with +1/-1 any patch
> sent.
> you can add as many reviewers as you want to a patch.
> 
> does that answer your question?
> 
> Eyal.
> 
> 
> 
> > 
> > I know above questions might seem chaotic but I think answers allow me to
> > better understanding Yours needments
> > 
> > Best regards
> > Tomasz Kolek
> > 
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> > 
> ___
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Re: [Users] hosted engine help

[Greg Padgett]

On 03/11/2014 04:09 PM, Sandro Bonazzola wrote:

Il 07/03/2014 01:10, Jason Brooks ha scritto:

Hey everyone, I've been testing out oVirt 3.4 w/ hosted engine, and
while I've managed to bring the engine up, I've only been able to do it
manually, using "hosted-engine --vm-start".

The ovirt-ha-agent service fails reliably for me, erroring out with
"RequestError: Request failed: success."

I've pasted error passages from the ha agent and vdsm logs below.

Any pointers?

Regards, Jason

***

ovirt-ha-agent.log

MainThread::CRITICAL::2014-03-06
18:48:30,622::agent::103::ovirt_hosted_engine_ha.agent.agent.Agent::(run) Could 
not start ha-agent
Traceback (most recent call last):
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py", line 
97, in run
 self._run_agent()
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py", line 
154, in _run_agent

hosted_engine.HostedEngine(self.shutdown_requested).start_monitoring()
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
 line 303, in start_monitoring
 for old_state, state, delay in self.fsm:
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/fsm/machine.py", 
line 125, in next
 new_data = self.refresh(self._state.data)
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/state_machine.py",
 line 77, in refresh
 stats.update(self.hosted_engine.collect_stats())
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
 line 623, in collect_stats
 constants.SERVICE_TYPE)
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
line 171, in get_stats_from_storage
 result = self._checked_communicate(request)
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
line 198, in _checked_communicate
 raise RequestError("Request failed: {0}".format(msg))
RequestError: Request failed: success


vdsm.log

Thread-29::ERROR::2014-03-06 18:48:11,101::API::1607::vds::(_getHaInfo)
failed to retrieve Hosted Engine HA info
Traceback (most recent call last):
   File "/usr/share/vdsm/API.py", line 1598, in _getHaInfo
 stats = instance.get_all_stats()
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py", 
line 86, in get_all_stats
 constants.SERVICE_TYPE)
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
line 171, in get_stats_from_storage
 result = self._checked_communicate(request)
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
line 198, in _checked_communicate
 raise RequestError("Request failed: {0}".format(msg))
RequestError: Request failed: success



Greg, Martin, "Request failed: success" ?


Hi Jason,

I talked to Martin about this and opened a bug [1]/submitted a patch [2]. 
 Based on your mail, I'm not sure if you experienced a race condition or 
some other issue.  This patch should help the former case, but if you're 
still experiencing problems then we would need to investigate further.


Thanks,
Greg

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1075126
[2] http://gerrit.ovirt.org/#/c/25621/




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Re: [Users] Win8 on oVirt

[Sven Kieske]

Well,

I got SEP flag on my compute node, the cluster level is 3.3
engine is 3.3.3-2.el6
however in my centos 6.5 vm I got no sep flag

this is my qemu-kvm version:

rpm -qa | grep qemu-kvm
qemu-kvm-0.12.1.2-2.415.el6_5.4.x86_64

yum update qemu-kvm shows me, there is a newer version:

0.12.1.2-2.415.el6_5.5

the changelog states:

2014-02-25 - Miroslav Rezanina  -
0.12.1.2-2.415.el6_5.5 -
kvm-monitor-Cleanup-mon-outbuf-on-write-error.patch [bz#1069239] -
Resolves: bz#1069239 (QMP socket breaks on unexpected close)

Which leads to this BZ, which seems to have nothing to do at all
with this flag:

https://bugzilla.redhat.com/show_bug.cgi?id=1069239

Am 11.03.2014 15:06, schrieb Itamar Heim:
> then assuming qemu-kvm is up to date, it should expose sep to the guest
> if exists on the host.

-- 
Mit freundlichen Grüßen / Regards

Sven Kieske

Systemadministrator
Mittwald CM Service GmbH & Co. KG
Königsberger Straße 6
32339 Espelkamp
T: +49-5772-293-100
F: +49-5772-293-333
https://www.mittwald.de
Geschäftsführer: Robert Meyer
St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
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Re: [Users] Foreman and oVirt 3.4 fails

[Itamar Heim]

On 02/17/2014 12:35 PM, Andrew Lau wrote:

Hi Frank,

Thanks for the link - much appreciated.

On Mon, Feb 17, 2014 at 9:09 PM, Frank Wall mailto:f...@moov.de>>wrote:

Hi Andrew,

On Mon, Feb 17, 2014 at 07:57:33PM +1100, Andrew Lau wrote:
 > Is anyone using Foreman with oVirt 3.4?
 >
 > Post upgrade, I appear to be having some issues with Foreman
reporting "
 > undefined method `text' for nil:NilClass"

this issue was reported to Foreman:

http://projects.theforeman.org/issues/4346#change-13781
oVirt Compute Resource needs to be updated for rbovirt >0.0.21

There is also an API change in recent oVirt releases which requires
changes to rbovirt:

https://github.com/abenari/rbovirt/pull/28
work around change in Red Hat bugzilla #1038053


Regards
- Frank




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Tal - didn't we fix this backward compatibility issue by now?
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Re: [Users] Disk Migration Permissions

[Itamar Heim]

On 02/17/2014 07:46 PM, Maurice James wrote:

What permissions do I need to allow a user to be able to live migrate a
disk from one storage domain to another? I have a group with the Power
User and Super user permissions on the cluster and they get the
following error when attempting to migrate a disk

Error while executing action: User is not authorized to perform this action.


3.3.3-2.el6


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was this resolved?
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Re: [Users] hosted engine help

[Itamar Heim]

On 03/11/2014 04:41 PM, Jason Brooks wrote:




I experienced the exact same symptoms as Jason on a from-scratch
installation on two physical nodes with CentOS 6.5 (fully up-to-date)
using oVirt
3.4.0_pre (latest test-day release) and GlusterFS 3.5.0beta3 (with
Gluster-provided NFS as storage for the self-hosted engine VM only).


Using GlusterFS with hosted-engine storage is not supported and not
recommended.
HA daemon may not work properly there.


I used Gluster NFS, too. That's not supported or recommended?

I've assumed that I could use Gluster NFS / NFS interchangeably...


that should be ok. make sure your gluster environment is robust with 
quorum, etc.


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Re: [Users] Supported Billing Software for oVirt

[Itamar Heim]

On 03/03/2014 12:00 PM, Gilad Chaplik wrote:

I'm not aware of this kind of feature...

You can open a RFE, and I hope we'll have the time to add it the upcoming 
versions:
https://bugzilla.redhat.com/enter_bug.cgi?product=oVirt

There could have been a possibly to write a cron job/similar that manage quotas 
externally using oVirt public API, but unfortunately, quotas aren't exposed 
there yet (on our TODO list).

BUT (there's always one  :-)), you can use quotas^^ for capping, and use 
external plugin (external scheduler/ vdsm hook) that responsible for 
subscription duration (integrate with 3rd party or write one your self, names 
and dates- shouldn't be that hard).

keep me posted :-)




i think the right solution here is using "3rd party software" focusing 
on something like that, based on the data collected by ovirt engine and 
the dwh.

one such application would be CloudForms.
we're in the process or removing all the roadblocks to open sourcing it,
and expect to have an open source version of CloudForms in a few months.
CloudForms of course integrates with oVirt/RHEV (and many other platforms).


Thanks,
Gilad.


- Original Message -

From: "Dewangga Bachrul Alam" 
To: "Gilad Chaplik" 
Cc: users@ovirt.org
Sent: Monday, March 3, 2014 2:04:16 AM
Subject: Re: [Users] Supported Billing Software for oVirt

Hi Gilad,


Thanks for the info, but Is there any info about billing software? For the
example, user A only have one month subscription, then if more than one
month, the subscription has expired. So, the service on user A was suspended
while the subscription has expired.




Is it possible on oVirt?
—
Dewangga Bachrul Alam, S.St
Network & System Administrator
Sent from Mailbox for iPad

On Sun, Mar 2, 2014 at 10:39 PM, Gilad Chaplik 
wrote:


Hi,
Don't know about 3rd parties, but you can use quotas to limit user
activities (storage/memory/cpu consumption).
Check out these clips, and see if it suits you:
http://www.youtube.com/watch?v=zazJ_fW05Qk
http://www.youtube.com/watch?v=jExFWEojF4c
http://www.youtube.com/watch?v=y8qUoRImimY
Thanks,
Gilad.
- Original Message -

From: "Dewangga" 
To: users@ovirt.org
Sent: Sunday, March 2, 2014 5:08:59 PM
Subject: [Users] Supported Billing Software for oVirt

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Hi there,

I'm new using oVirt 3.3, and I planned to make cloud environment using
payment gateway. For example, Hostbill are support Openstack, basic
things are for provision. http://hostbillapp.com/hostbill/

And, is there any billing software/management support oVirt?
-BEGIN PGP SIGNATURE-
Version: GnuPG v1

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DBUvL+yiPAY9jRnd6jyGXfEGe8rFekS1PhdF+D+tpih1s8rt6PPC0bSnpVJmCaro
I5FvJiQD8W6ZMilKdHEPfc1TGIqM2+nd3uyaGVis7tcxySebfpheJ/k7qxzxZHUf
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=ViEx
-END PGP SIGNATURE-
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Re: [Users] hosted engine help

[Jason Brooks]

> > 
> > I experienced the exact same symptoms as Jason on a from-scratch
> > installation on two physical nodes with CentOS 6.5 (fully up-to-date)
> > using oVirt
> > 3.4.0_pre (latest test-day release) and GlusterFS 3.5.0beta3 (with
> > Gluster-provided NFS as storage for the self-hosted engine VM only).
> 
> Using GlusterFS with hosted-engine storage is not supported and not
> recommended.
> HA daemon may not work properly there.

I used Gluster NFS, too. That's not supported or recommended?

I've assumed that I could use Gluster NFS / NFS interchangeably...

Jason

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Re: [Users] [GSOC][Gerrit] add potential reviewers - questions

[Eyal Edri]

- Original Message -
> From: "Tomasz Kołek" 
> To: users@ovirt.org
> Sent: Monday, March 10, 2014 9:56:28 PM
> Subject: [Users] [GSOC][Gerrit] add potential reviewers - questions
> 
> 
> 
> Hi
> 
> I'd like to contribute (within GSOC) in idea: Gerrit add potential reviewers.
> 
> Maybe at first I’ll introduce myself.
> I'm Tomek, student from Poland. I study Computer Science at University of
> Wroclaw. The next year will be last year of my first degree study, I hope.
> As a python programmer I'm working since one year at Nokia Solutions and
> Networks (don't worry I intend to change my job to another or to
> participation at GSOC). Every day at work and school I'm using version
> control system (Git and SVN). At work we were using to Gerrit as a review
> system but currently we're using JIRA to report review statuses.
> I love spend my free time in mountains (mainly polish - Tatras mountains).
> That's all about me.
> 
> I've got a few questions about project description.
> Please tell me if my problem's understanding is good or not.
> We need to add a few flags/methods to git review module. This flags should
> allow to add potential reviewers in gerrit.
> So:
> Let's assume that we've got special flags for this operations. What's next?
> 1. In gerrit system we need to add special place for potential reviewers?
> 2. Potential reviewers should agree that they want to review?
> 3. We can have more than one accepted reviewer?

Hi Tomasz,
I'm not sure i understood exactly what you mean by 'potential reviewers'.
do want gerrit (hook?) to automatically add reviewers to a patch according to 
the code sent?
so in fact you'll have a place somewhere for mapping code & specific developers?

cause if you mean by adding reviewers to a patch, that's easily done by just 
clicking the '+' sign on each patch.
those reviewers should have logged in at least once to gerrit.ovirt.org in 
order to be in the list of potential viewers,
and they don't require any special permissions to review with +1/-1 any patch 
sent.
you can add as many reviewers as you want to a patch.

does that answer your question?

Eyal.



> 
> I know above questions might seem chaotic but I think answers allow me to
> better understanding Yours needments
> 
> Best regards
> Tomasz Kolek
> 
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Re: [Users] oVIRT3.3.3 Live Migration fails

[Itamar Heim]

On 03/05/2014 06:09 PM, Hans-Joachim wrote:

Hello,

I'm running into a funny problem on a CentOS 6.5 system

Starting a VM on server1, migrate it to server2 and than back to server1
fails.

The logs (engine and server1) are attached...


server1:
vdsm.x86_64 4.13.3-3.el6  @ovirt
vdsm-cli.noarch 4.13.3-3.el6  @ovirt
vdsm-python.x86_64  4.13.3-3.el6  @ovirt
vdsm-python-cpopen.x86_64   4.13.2-1.el6  @ovirt
vdsm-xmlrpc.noarch  4.13.3-3.el6  @ovirt
qemu-img-rhev.x86_642:0.12.1.2-2.415.el6  @ovirt
qemu-kvm-rhev.x86_642:0.12.1.2-2.415.el6  @ovirt
qemu-kvm-rhev-tools.x86_64  2:0.12.1.2-2.415.el6  @ovirt

server2:
vdsm.x86_64   4.13.3-3.el6  @ovirt
vdsm-cli.noarch   4.13.3-3.el6  @ovirt
vdsm-python.x86_644.13.3-3.el6  @ovirt
vdsm-python-cpopen.x86_64
vdsm-xmlrpc.noarch4.13.3-3.el6  @ovirt
qemu-img-rhev.x86_64  2:0.12.1.2-2.415.el6
qemu-kvm-rhev.x86_64  2:0.12.1.2-2.415.el6



Thank you for your help

Hans-Joachim


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anything in the libvirt log?
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Re: [Users] oVirt -How to add local storage; disks pass-through

[Itamar Heim]

On 03/05/2014 07:01 PM, Edwin Lobaina wrote:

Hi everyone,

I’m currently testing oVirt 3.3 (so far so good!) but I haven’t figured
out how to add more local storage to the host. Let’s say you have a
second ssd you would like to add to the host and use for testing.

Also, in the same area of storage, I haven’t found any documentation on
how to pass local disks directly to guest VMs? (For example, an external
USB hdd).

Thank you in advance for your feedback.



1. the main usage of ovirt is for clusters with shared storage.
2. that said, local storage is also supported.
3. to add another storage domain, create a path on the host to that 
storage, give permissions/owner to vdsm (36:36), go to the webadmin and 
"add storage domain" of type local with relevant path.


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Re: [Users] affects of changing compatibility setting on running cluster

[Itamar Heim]

On 03/06/2014 04:59 PM, Charles Weber wrote:

Hi everyone,
I believe I need to change my cluster compatibility level and would like to 
know if I can do this ona live cluster or if I have to change everything to 
maintenance mode first.

I ran engine setup and upgraded to current engine level then tried to add a new 
node using the 3.3.4 el6 iso. This resulted in an error:

Host x.x.x.x is installed with VDSM version (4.14) and cannot join cluster 
Default which is compatible with VDSM versions [4.13,4.9,4.11,4.12,4.10].

My current versions are:
Engine 3.3.4-1.el6 at compatibiltiy version 3.2

2 Nodes running CentOS 6.4 with VDSM 4.10.3-0.36.23.el6

Am I correct that I need to change the compatibility version to 3.3?
This has some production VMs, do I need to turn everything off first or is this 
a non-interruptive change?
How will this upgrade affect my current 2 hosts at their version?

My original idea was to migrate working VMs to new ovirt ISO node and then 
re-install original nodes to the same version off the 3.3.4 el6 iso.

I appreciate any advice.
Chuck
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actually no. this sounds like a bug in VDSM 4.14 not updated to report 
compatibility with ovirt-engine 3.3

danken?
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Re: [Users] hosted engine help

[Sandro Bonazzola]

Il 10/03/2014 22:32, Giuseppe Ragusa ha scritto:
> Hi all,
> 
>> Date: Mon, 10 Mar 2014 12:56:19 -0400
>> From: jbro...@redhat.com
>> To: msi...@redhat.com
>> CC: users@ovirt.org
>> Subject: Re: [Users] hosted engine help
>>
>>
>>
>> - Original Message -
>> > From: "Martin Sivak" 
>> > To: "Dan Kenigsberg" 
>> > Cc: users@ovirt.org
>> > Sent: Saturday, March 8, 2014 11:52:59 PM
>> > Subject: Re: [Users] hosted engine help
>> >
>> > Hi Jason,
>> >
>> > can you please attach the full logs? We had very similar issue before I we
>> > need to see if is the same or not.
>>
>> I may have to recreate it -- I switched back to an all in one engine after my
>> setup started refusing to run the engine at all. It's no fun losing your 
>> engine!
>>
>> This was a migrated-from-standalone setup, maybe that caused additional 
>> wrinkles...
>>
>> Jason
>>
>> >
>> > Thanks
> 
> I experienced the exact same symptoms as Jason on a from-scratch installation 
> on two physical nodes with CentOS 6.5 (fully up-to-date) using oVirt
> 3.4.0_pre (latest test-day release) and GlusterFS 3.5.0beta3 (with 
> Gluster-provided NFS as storage for the self-hosted engine VM only).

Using GlusterFS with hosted-engine storage is not supported and not recommended.
HA daemon may not work properly there.

> 
> I roughly followed the guide from Andrew Lau:
> 
> http://www.andrewklau.com/ovirt-hosted-engine-with-3-4-0-nightly/
> 
> with some variations due to newer packages (resolved bugs) and different 
> hardware setup (no VLANs in my setup: physically separated networks; custom
> second nic added to Engine VM template before deploying etc.)
> 
> The self-hosted installation on first node + Engine VM (configured for 
> managing both oVirt and the storage; Datacenter default set to NFS because no
> GlusterFS offered) went apparently smooth, but the HA-agent failed to start 
> at the very end (same errors in logs as Jason: the storage domain seems
> "missing") and I was only able to start it all manually with:
> 
> hosted-engine --connect-storage
> hosted-engine --start-pool

The above commands are used for development and shouldn't be used for starting 
the engine.

> hosted-engine --vm-start
> 
> then the Engine came up and I could use it, I even registered the second node 
> (same final error in HA-agent) and tried to add GlusterFS storage
> domains for further VMs and ISOs (by the way: the original NFS-GlusterFS 
> domain for Engine VM only is not present inside the Engine web UI) but it
> always failed activating the domains (they remain "Inactive").
> 
> Furthermore the engine gets killed some time after starting (from 3 up to 11 
> hours later) and the only way to get it back is repeating the above commands.

Need logs for this.


> 
> I always managed GlusterFS "natively" (not through oVirt) from the 
> commandline and verified that the NFS-exported Engine-VM-only volume gets
> replicated, but I obviously failed to try migration because the HA part 
> results inactive and oVirt refuse to migrate the Engine.
> 
> Since I tried many times, with variations and further manual actions between 
> (like trying to manually mount the NFS Engine domain, restarting the
> HA-agent only etc.), my logs are "cluttered", so I should start from scratch 
> again and pack up all logs in one swipe.

+1

> 
> Tell me what I should capture and at which points in the whole process and I 
> will try to follow up as soon as possible.

What:
hosted-engine-setup, hosted-engine-ha, vdsm, libvirt, sanlock from the physical 
hosts and engine and server logs from the hosted engine VM.

When:
As soon as you see an error.



> 
> Many thanks,
> Giuseppe
> 
>> > --
>> > Martin Sivák
>> > msi...@redhat.com
>> > Red Hat Czech
>> > RHEV-M SLA / Brno, CZ
>> >
>> > - Original Message -
>> > > On Fri, Mar 07, 2014 at 10:17:43AM +0100, Sandro Bonazzola wrote:
>> > > > Il 07/03/2014 01:10, Jason Brooks ha scritto:
>> > > > > Hey everyone, I've been testing out oVirt 3.4 w/ hosted engine, and
>> > > > > while I've managed to bring the engine up, I've only been able to do 
>> > > > > it
>> > > > > manually, using "hosted-engine --vm-start".
>> > > > >
>> > > > > The ovirt-ha-agent service fails reliably for me, erroring out with
>> > > > > "RequestError: Request failed: success."
>> > > > >
>> > > > > I've pasted error passages from the ha agent and vdsm logs below.
>> > > > >
>> > > > > Any pointers?
>> > > >
>> > > > looks like a VDSM bug, Dan?
>> > >
>> > > Why? The exception is raised from deep inside the ovirt_hosted_engine_ha
>> > > code.
>> > > ___
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>> > > Users@ovirt.org
>> > > http://lists.ovirt.org/mailman/listinfo/users
>> > >
>> > ___
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Re: [Users] hosted engine help

[Sandro Bonazzola]

Il 07/03/2014 01:10, Jason Brooks ha scritto:
> Hey everyone, I've been testing out oVirt 3.4 w/ hosted engine, and
> while I've managed to bring the engine up, I've only been able to do it
> manually, using "hosted-engine --vm-start".
> 
> The ovirt-ha-agent service fails reliably for me, erroring out with
> "RequestError: Request failed: success."
> 
> I've pasted error passages from the ha agent and vdsm logs below.
> 
> Any pointers?
> 
> Regards, Jason
> 
> ***
> 
> ovirt-ha-agent.log
> 
> MainThread::CRITICAL::2014-03-06
> 18:48:30,622::agent::103::ovirt_hosted_engine_ha.agent.agent.Agent::(run) 
> Could not start ha-agent
> Traceback (most recent call last):
>   File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py", 
> line 97, in run
> self._run_agent()
>   File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py", 
> line 154, in _run_agent
> 
> hosted_engine.HostedEngine(self.shutdown_requested).start_monitoring()
>   File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
>  line 303, in start_monitoring
> for old_state, state, delay in self.fsm:
>   File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/fsm/machine.py", 
> line 125, in next
> new_data = self.refresh(self._state.data)
>   File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/state_machine.py",
>  line 77, in refresh
> stats.update(self.hosted_engine.collect_stats())
>   File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
>  line 623, in collect_stats
> constants.SERVICE_TYPE)
>   File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
> line 171, in get_stats_from_storage
> result = self._checked_communicate(request)
>   File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
> line 198, in _checked_communicate
> raise RequestError("Request failed: {0}".format(msg))
> RequestError: Request failed: success
> 
> 
> vdsm.log
> 
> Thread-29::ERROR::2014-03-06 18:48:11,101::API::1607::vds::(_getHaInfo)
> failed to retrieve Hosted Engine HA info
> Traceback (most recent call last):
>   File "/usr/share/vdsm/API.py", line 1598, in _getHaInfo
> stats = instance.get_all_stats()
>   File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py", 
> line 86, in get_all_stats
> constants.SERVICE_TYPE)
>   File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
> line 171, in get_stats_from_storage
> result = self._checked_communicate(request)
>   File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
> line 198, in _checked_communicate
> raise RequestError("Request failed: {0}".format(msg))
> RequestError: Request failed: success


Greg, Martin, "Request failed: success" ?

> 
> 
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> 


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Re: [Users] Win8 on oVirt

[Itamar Heim]

On 03/11/2014 04:05 PM, Michael Wagenknecht wrote:


Am 11.03.2014 15:01, schrieb Itamar Heim:

On 03/11/2014 01:40 PM, Michael Wagenknecht wrote:

The node runs with CentOS 6.5
I Understand, no Win8 guests on CentOS nodes.


is your cluster version 3.3?


Yes it is.


then assuming qemu-kvm is up to date, it should expose sep to the guest 
if exists on the host.




Thank you very much Sven


Am 11.03.2014 11:21, schrieb Sven Kieske:

Which OS/Distribution does your compute node
run?

I do not know if this might be related:

https://bugzilla.redhat.com/show_bug.cgi?id=821741

But I also don't see the SEP flag passed into
linux based vms on a CentOS 6.5 based compute node.

Maybe this is another feature just available to
qemu-kvm-rhev instead of qemu-kvm ?









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Re: [Users] Win8 on oVirt

[Michael Wagenknecht]

Am 11.03.2014 15:01, schrieb Itamar Heim:

On 03/11/2014 01:40 PM, Michael Wagenknecht wrote:

The node runs with CentOS 6.5
I Understand, no Win8 guests on CentOS nodes.


is your cluster version 3.3?


Yes it is.


Thank you very much Sven


Am 11.03.2014 11:21, schrieb Sven Kieske:

Which OS/Distribution does your compute node
run?

I do not know if this might be related:

https://bugzilla.redhat.com/show_bug.cgi?id=821741

But I also don't see the SEP flag passed into
linux based vms on a CentOS 6.5 based compute node.

Maybe this is another feature just available to
qemu-kvm-rhev instead of qemu-kvm ?







--
Mit freundlichen Grüßen

Michael Wagenknecht
FuH Entwicklungsgesellschaft mbH
Geschäftsführer Carola Fornoff
HRB Freiburg 701203, UID DE255007372
Elsässer Str. 18, D-79346 Endingen
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Re: [Users] Reimporting storage domains after reinstalling ovirt

[Itamar Heim]

On 03/10/2014 06:03 PM, Jason Brooks wrote:



- Original Message -

From: "Boudewijn Ector" 
To: "Jason Brooks" 
Cc: users@ovirt.org
Sent: Monday, March 10, 2014 8:56:31 AM
Subject: Re: [Users] Reimporting storage domains after reinstalling ovirt

On 10-03-14 16:55, Jason Brooks wrote:



into:

CLASS=Backup
DESCRIPTION=export-storage
IOOPTIMEOUTSEC=10
LEASERETRIES=3
LEASETIMESEC=60
LOCKPOLICY=
LOCKRENEWALINTERVALSEC=5
MASTER_VERSION=613
POOL_DESCRIPTION=Default
POOL_DOMAINS=
POOL_SPM_ID=1
POOL_SPM_LVER=0
POOL_UUID=
REMOTE_PATH=nfsserver:/raid/ovirt-old/data
ROLE=Regular
SDUUID=1979444d-b79a-494c-8c1a-bcc132e31a04
TYPE=NFS
VERSION=3

This needs to be VERSION=0

(I successfully rescued a storage domain this way just this weekend)

Good luck!

Jason

Hi Jason,

Thanks! I'm going to try this after finishing my coffee!
Can you explain to me *why* this will change the situation? I'd like to
have a better understanding about the inner workings of ovirt.


I don't know -- TYPE=0 is what you find in the export domain metadata
files. I'd love to be able to bring back images w/o the export domain
step in the middle...


import data domain is in the works, should make 3.5.

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Re: [Users] Win8 on oVirt

[Itamar Heim]

On 03/11/2014 01:40 PM, Michael Wagenknecht wrote:

The node runs with CentOS 6.5
I Understand, no Win8 guests on CentOS nodes.


is your cluster version 3.3?



Thank you very much Sven


Am 11.03.2014 11:21, schrieb Sven Kieske:

Which OS/Distribution does your compute node
run?

I do not know if this might be related:

https://bugzilla.redhat.com/show_bug.cgi?id=821741

But I also don't see the SEP flag passed into
linux based vms on a CentOS 6.5 based compute node.

Maybe this is another feature just available to
qemu-kvm-rhev instead of qemu-kvm ?





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[Users] [GSOC][Gerrit] add potential reviewers - questions

[Tomasz Kołek]

Hi 

I'd like to contribute (within GSOC) in idea: Gerrit add potential
reviewers.

Maybe at first I'll introduce myself.
I'm Tomek, student from Poland. I study Computer Science at University of
Wroclaw. The next year will be last year of my first degree study, I hope.
As a python programmer I'm working since one year at Nokia Solutions and
Networks (don't worry I intend to change my job to another or to
participation at GSOC). Every day at work and school I'm using version
control system (Git and SVN). At work we were using to Gerrit as a review
system but currently we're using JIRA to report review statuses.
I love spend my free time in mountains (mainly polish - Tatras mountains).
That's all about me.

I've got a few questions about project description.
Please tell me if my problem's understanding is good or not.
We need to add a few flags/methods to git review module. This flags should
allow to add potential reviewers in gerrit.
So:
Let's assume that we've got special flags for this operations. What's next?
1. In gerrit system we need to add special place for potential reviewers?
2. Potential reviewers should agree that they want to review?
3. We can have more than one accepted reviewer?

I know above questions might seem chaotic but I think answers allow me to
better understanding Yours needments

Best regards
Tomasz Kolek

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Re: [Users] Win8 on oVirt

[Giorgio Bersano]

2014-03-11 12:40 GMT+01:00 Michael Wagenknecht :
> The node runs with CentOS 6.5
> I Understand, no Win8 guests on CentOS nodes.
>
Hi,
not tried with Win8 but regarding flags I have this:

oVirt 3.4.0 RC

host: CentOS 6.5 with current updates

[root@host1 ~]# cat /proc/cpuinfo
processor   : 0
vendor_id   : GenuineIntel
cpu family  : 6
model   : 26
model name  : Intel(R) Xeon(R) CPU   E5504  @ 2.00GHz
stepping: 5
cpu MHz : 2000.165
cache size  : 4096 KB
physical id : 0
siblings: 4
core id : 0
cpu cores   : 4
apicid  : 0
initial apicid  : 0
fpu : yes
fpu_exception   : yes
cpuid level : 11
wp  : yes
flags   : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good
xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2
ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm dts tpr_shadow
vnmi flexpriority ept vpid
bogomips: 4000.33
clflush size: 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:
[root@host1 ~]#


guest: CentOS 6.5 with current updates

[root@guest1 ~]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel Core i7 9xx (Nehalem Class Core i7)
stepping : 3
cpu MHz : 2000.066
cache size : 4096 KB
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat
pse36 clflush mmx fxsr sse sse2 syscall nx lm constant_tsc
unfair_spinlock pni ssse3 cx16 sse4_1 sse4_2 x2apic popcnt hypervisor
lahf_lm
bogomips : 4000.13
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
[root@guest1 ~]#


SEP and NX are present in guest as in host.

Best regards,
Giorgio.
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[Users] edit-node problems

[Simon Barrett]

I'm trying to use edit-node to add the ovirt-node-plugin-vdsm plugin to the 
ovirt-node-iso-3.0.2-1.0.0.el6.iso that I downloaded from here: 
http://resources.ovirt.org/releases/node-base/stable/iso/ovirt-node-iso-3.0.2-1.0.0.el6.iso

Whenever I run any edit-node commands against this iso I get the error below:

# ./ovirt-node/tools/edit-node -dv --print-rpm-manifest 
/app/iso/ovirt-node-iso-3.0.2-1.0.0.el6.iso
/app/iso/ovirt-node-iso-3.0.2-1.0.0.el6.iso
Losetup add /dev/loop0 mapping to /app/iso/ovirt-node-iso-3.0.2-1.0.0.el6.iso
Mounting /dev/loop0 at /var/tmp/edit-liveos-nEP1ae/tmp-IrE34t
Losetup add /dev/loop1 mapping to 
/var/tmp/edit-liveos-nEP1ae/tmp-IrE34t/LiveOS/squashfs.img
Mounting /dev/loop1 at /var/tmp/edit-liveos-nEP1ae/tmp-VOGtjF
mount: block device /dev/loop1 is write-protected, mounting read-only
Unmounting directory /var/tmp/edit-liveos-nEP1ae/tmp-VOGtjF
Losetup remove /dev/loop1
Unmounting directory /var/tmp/edit-liveos-nEP1ae/tmp-IrE34t
Losetup remove /dev/loop0
/usr/lib/python2.6/site-packages/imgcreate/errors.py:45: DeprecationWarning: 
BaseException.message has been deprecated as of Python 2.6
  return unicode(self.message)
Error editing LiveOS : Failed to copy base live image to 
/var/tmp/edit-liveos-nEP1ae/ex/ext3fs.img for modification: [Errno 5] 
Input/output error


If I try the same with ovirt-node-iso-3.0.1-1.0.2.el6.iso (downloaded from the 
same location) all works as expected.

I've tried this on CentOS 6.2 and 6.4, same results on both.

Can anyone tell me where I am going wrong? Alternatively is there a newer node 
ISO that already has the ovirt-node-plugin-vdsm plugin installed?

Thanks,

Simon
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Re: [Users] Win8 on oVirt

[Michael Wagenknecht]

The node runs with CentOS 6.5
I Understand, no Win8 guests on CentOS nodes.

Thank you very much Sven


Am 11.03.2014 11:21, schrieb Sven Kieske:

Which OS/Distribution does your compute node
run?

I do not know if this might be related:

https://bugzilla.redhat.com/show_bug.cgi?id=821741

But I also don't see the SEP flag passed into
linux based vms on a CentOS 6.5 based compute node.

Maybe this is another feature just available to
qemu-kvm-rhev instead of qemu-kvm ?



--
Mit freundlichen Grüßen

Michael Wagenknecht
FuH Entwicklungsgesellschaft mbH
Geschäftsführer Carola Fornoff
HRB Freiburg 701203, UID DE255007372
Elsässer Str. 18, D-79346 Endingen
Telefon +49 - 7642 - 92866 - 0

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Re: [Users] ovf image for hosted engine

[Sandro Bonazzola]

Il 11/03/2014 05:22, Jason Brooks ha scritto:
> Hey all,
> 
> The hosted engine may be installed from pxe, cdrom or disk. The disk format
> must be an OVF image, right?

Right

> 
> Any suggestions on how to create an ovf image? Poking around, I see mentions 
> of tools to convert from ovf, but not to ovf, at least not within the 
> KVM/libvirt world.
> 
> I know that this format is used within oVirt, but I don't understand how to 
> go from the *.ovf file in the export domain + the disk image file or files 
> to a single disk image.

Easiest way may be:
- prepare an empty export domain
- prepare a VM in a running oVirt system
- export the VM to the export domain
- create the OVF by tar gzipping the export as described in man 
engine-image-uploader


> Do these have to be zipped together? Is there some utility for that, or 
> guidance on how it comes together?

take a look at engine-image-uploader man page on how the tar.gz must be.
AFAIK there's any available tool for that, maybe you can open an RFE about it.


> 
> My cdrom and pxe hosted engine installs have been spotty -- some crashes,
> some unresponsiveness from pxe and from the cd install -- so I'd like to
> know how to take the disk route...
> 
> Thanks, Jason
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Re: [Users] Delete & Detach Logical Network

[Moti Asayag]

- Original Message -
> From: "Tejesh M" 
> To: "Moti Asayag" 
> Cc: "users@oVirt.org" 
> Sent: Tuesday, March 11, 2014 8:53:15 AM
> Subject: Re: Delete & Detach Logical Network
> 
> Managed to delete network which is attached to Bond with below code:
> 
> HostNIC nic =
> api.getHosts().get("rhevhost").getHostNics().get("bond1.1231");
> nic.delete();
> 
> 
> But not able to delete the same when attached to ethernet:
> 
> HostNIC nic = api.getHosts().get("rhevhost").getHostNics().get("eth1.1187");
> nic.delete();
> 
> i want to unmap the logical network which is mapped to eth1.
> 

For this specific case I'd suggest using the attached example.

> *Result*:
> code  : 400
> reason: Bad Request
> detail: Invalid Bonding definition
> 
> 
> 
> 
> 
> On Mon, Mar 10, 2014 at 6:54 PM, Moti Asayag  wrote:
> 
> >
> >
> > - Original Message -
> > > From: "Tejesh M" 
> > > To: "Moti Asayag" , "users@oVirt.org" <
> > users@ovirt.org>
> > > Sent: Monday, March 10, 2014 1:22:08 PM
> > > Subject: Delete & Detach Logical Network
> > >
> > > Hi,
> > >
> > > I'm able to delete the logical network but this logical network after
> > > deletion shows as unmanaged network in "Setup Host Networks" against the
> > > hostnic.
> > >
> > > I tried with this code to detach the logical network.
> > >
> > > *Code 1:*
> > > HostNIC nic = api.getHosts().get("rhevhost").getHostNics().get("eth1");
> > > Action action = new Action();
> > > action.setNetwork(api.getNetworks().get(nw_name));
> > > action.setDetach(true);
> > > action.setCheckConnectivity(false);
> > > nic.detach(action);
> > >
> > > *Returns*:
> > > code  : 409
> > > reason: Conflict
> > > detail: Network Interface is not attached to Logical Network.
> > >
> >
> > I can guess by the error message that the logical network 'rhevhost' is
> > vlan,
> > so the proper interface should be the vlan device.
> >
> >
> > > *Code 2:*
> > > HostNIC nic =
> > api.getHosts().get("rhevhost").getHostNics().get("eth1.1345");
> > > Action action = new Action();
> > > action.setNetwork(api.getNetworks().get(nw_name));
> > > action.setDetach(true);
> > > action.setCheckConnectivity(false);
> > > nic.detach(action);
> > >
> > > *Returns*:
> > > code  : 409
> > > reason: Conflict
> > > detail: Cannot edit Network while Host is Active, change the Host to
> > > Maintenance mode and try again.
> > >
> >
> > This is the 3.0 api which required the host to be in maintenance for
> > network
> > operations on the host. You could use setup networks instead which is the
> > recommended api and doesn't require the host to be in maintenance.
> >
> > you can modify the example from [1] and set null for the network name you
> > wish to detach from the specific interface.
> >
> > Try by replacing only lines 28-41 with:
> > HostNIC nic = nicsByNames.get("eth1.1345");
> > nic.setNetwork(null);
> >
> > [1]
> > https://motiasayag.wordpress.com/2014/02/24/invoke-setup-networks-from-the-java-sdk/
> >
> > >
> > > --
> > > Thanks & Regards
> > > Tejesh
> > >
> >
> 
> 
> 
> --
> Thanks & Regards
> Tejesh
> 
package org.ovirt.test;

import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.ovirt.engine.sdk.Api;
import org.ovirt.engine.sdk.decorators.Host;
import org.ovirt.engine.sdk.decorators.HostNIC;
import org.ovirt.engine.sdk.decorators.HostNICs;
import org.ovirt.engine.sdk.entities.Action;
import org.ovirt.engine.sdk.entities.BaseResource;
import org.ovirt.engine.sdk.entities.HostNics;

public class SetupNetworksDetachNetworkExample {

public static void main(String[] args) throws Exception {

try (Api api = new Api("http://localhost:8080/api";,
"admin@internal",
"1",
null, null, null, null, null, null, true)) {

String hostName = "venus-vdsb";
Host hostApi = api.getHosts().get(hostName);
HostNICs nicsApi = hostApi.getHostNics();
List nics = nicsApi.list();

Map nicsByNames = entitiesByName(nics);
nics.remove(nicsByNames.get("eth4.20"));

nicsApi.setupnetworks(createSetupNetworksParams(nics));
hostApi.commitnetconfig(new Action());
}
}

public static Action createSetupNetworksParams(List nics) {
Action action = new Action();
HostNics nicsParams = new HostNics();
nicsParams.getHostNics().addAll(nics);
action.setHostNics(nicsParams);
action.setCheckConnectivity(true);
return action;
}

public static  Map entitiesByName(List entityList) {
if (entityList != null) {
Map map = new HashMap();
for (E e : entityList) {
map.put(e.getName(), e);
}
return map;
} else {
return Collections.emptyMap();
}
}
}

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Re: [Users] Delete & Detach Logical Network

[Moti Asayag]

- Original Message -
> From: "Tejesh M" 
> To: "Moti Asayag" 
> Cc: "users@oVirt.org" 
> Sent: Tuesday, March 11, 2014 3:18:37 AM
> Subject: Re: Delete & Detach Logical Network
> 
> I tried below code, but still it is not detaching the network
> 
>   HostNICs nicsApi = api.getHosts().get("venus-vdsb").getHostNics();
>   List nics = nicsApi.list();
>   HostNIC nic =
> api.getHosts().get("rhevhost").getHostNics().get("bond1.1231"); //logical
> network network name is "testLNw"
>   nic.setNetwork(null);
> 
> 
> *Result of executing this line*:
> nicsApi.setupnetworks(createSetupNetworksParams(nics));
> 
> *Result:*
> code  : 400
> reason: Bad Request
> detail: Cannot setup Networks. The following VMs are actively using the
> Logical Network: greyvm, vmLogicalTest1, OmVM1. Please stop the VMs and try
> again., Cannot setup Networks. The following Bonds consist of less than two
> Network Interfaces: bond0., Cannot setup Networks. The following Network
> Interfaces were specified more than once: eth0, eth3, eth1, eth2.
> 
> Can you post the complete code?
> 

See example attached.
You'll have to adjust the parameters to fit yours (hostName and modified nic).

> 
> 
> 
> On Mon, Mar 10, 2014 at 6:54 PM, Moti Asayag  wrote:
> 
> >
> >
> > - Original Message -
> > > From: "Tejesh M" 
> > > To: "Moti Asayag" , "users@oVirt.org" <
> > users@ovirt.org>
> > > Sent: Monday, March 10, 2014 1:22:08 PM
> > > Subject: Delete & Detach Logical Network
> > >
> > > Hi,
> > >
> > > I'm able to delete the logical network but this logical network after
> > > deletion shows as unmanaged network in "Setup Host Networks" against the
> > > hostnic.
> > >
> > > I tried with this code to detach the logical network.
> > >
> > > *Code 1:*
> > > HostNIC nic = api.getHosts().get("rhevhost").getHostNics().get("eth1");
> > > Action action = new Action();
> > > action.setNetwork(api.getNetworks().get(nw_name));
> > > action.setDetach(true);
> > > action.setCheckConnectivity(false);
> > > nic.detach(action);
> > >
> > > *Returns*:
> > > code  : 409
> > > reason: Conflict
> > > detail: Network Interface is not attached to Logical Network.
> > >
> >
> > I can guess by the error message that the logical network 'rhevhost' is
> > vlan,
> > so the proper interface should be the vlan device.
> >
> >
> > > *Code 2:*
> > > HostNIC nic =
> > api.getHosts().get("rhevhost").getHostNics().get("eth1.1345");
> > > Action action = new Action();
> > > action.setNetwork(api.getNetworks().get(nw_name));
> > > action.setDetach(true);
> > > action.setCheckConnectivity(false);
> > > nic.detach(action);
> > >
> > > *Returns*:
> > > code  : 409
> > > reason: Conflict
> > > detail: Cannot edit Network while Host is Active, change the Host to
> > > Maintenance mode and try again.
> > >
> >
> > This is the 3.0 api which required the host to be in maintenance for
> > network
> > operations on the host. You could use setup networks instead which is the
> > recommended api and doesn't require the host to be in maintenance.
> >
> > you can modify the example from [1] and set null for the network name you
> > wish to detach from the specific interface.
> >
> > Try by replacing only lines 28-41 with:
> > HostNIC nic = nicsByNames.get("eth1.1345");
> > nic.setNetwork(null);
> >
> > [1]
> > https://motiasayag.wordpress.com/2014/02/24/invoke-setup-networks-from-the-java-sdk/
> >
> > >
> > > --
> > > Thanks & Regards
> > > Tejesh
> > >
> >
> 
> 
> 
> --
> Thanks & Regards
> Tejesh
> 
package org.ovirt.test;

import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.ovirt.engine.sdk.Api;
import org.ovirt.engine.sdk.decorators.Host;
import org.ovirt.engine.sdk.decorators.HostNIC;
import org.ovirt.engine.sdk.decorators.HostNICs;
import org.ovirt.engine.sdk.entities.Action;
import org.ovirt.engine.sdk.entities.BaseResource;
import org.ovirt.engine.sdk.entities.HostNics;

public class SetupNetworksDetachNetworkExample {

public static void main(String[] args) throws Exception {

try (Api api = new Api("http://localhost:8080/api";,
"admin@internal",
"1",
null, null, null, null, null, null, true)) {

String hostName = "venus-vdsb";
Host hostApi = api.getHosts().get(hostName);
HostNICs nicsApi = hostApi.getHostNics();
List nics = nicsApi.list();

Map nicsByNames = entitiesByName(nics);
HostNIC nic = nicsByNames.get("eth4.20");
nic.setNetwork(null);

nicsApi.setupnetworks(createSetupNetworksParams(nics));
hostApi.commitnetconfig(new Action());
}
}

public static Action createSetupNetworksParams(List nics) {
Action action = new Action();
HostNics nicsParams = new HostNics();
nicsParams.getHostNics().addAll(nics);
action.setHostNics(nicsParams);
action.setCheckConnect

Re: [Users] Win8 on oVirt

[Sven Kieske]

Which OS/Distribution does your compute node
run?

I do not know if this might be related:

https://bugzilla.redhat.com/show_bug.cgi?id=821741

But I also don't see the SEP flag passed into
linux based vms on a CentOS 6.5 based compute node.

Maybe this is another feature just available to
qemu-kvm-rhev instead of qemu-kvm ?

-- 
Mit freundlichen Grüßen / Regards

Sven Kieske

Systemadministrator
Mittwald CM Service GmbH & Co. KG
Königsberger Straße 6
32339 Espelkamp
T: +49-5772-293-100
F: +49-5772-293-333
https://www.mittwald.de
Geschäftsführer: Robert Meyer
St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen
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Re: [Users] vdsm python error

[Francesco Romani]

- Original Message -
> From: "jacek burghardt" 
> To: users@ovirt.org
> Sent: Saturday, March 8, 2014 3:57:15 AM
> Subject: [Users] vdsm python error
> 
> I am attempting to use vdsm with arch linux and I am getting this error when
> I run vdsm-tool
> Traceback (most recent call last):
[...]
> File "/usr/lib/python2.7/site-packages/vdsm/tool/service.py", line 36, in
> execCmd
> return _execCmd(argv, raw=raw, *args, **kwargs)
> File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 682, in execCmd
> deathSignal=deathSignal, childUmask=childUmask)
> TypeError: __init__() got an unexpected keyword argument 'childUmask'
> How I can solve it ?

Hi,

please upgrade python-cpopen to version 1.3

Bests,

-- 
Francesco Romani
RedHat Engineering Virtualization R & D
Phone: 8261328
IRC: fromani
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Re: [Users] Win8 on oVirt

[Michael Wagenknecht]

Yes that's right. But I need the SEP Flag too.


Am 11.03.2014 10:23, schrieb Sven Kieske:

Well, maybe check with a linux distribution first:

cat /proc/cpuinfo

shows you that at least NX gets passed through
(on Intel Nehalem at least).

HTH

Am 11.03.2014 09:42, schrieb Michael Wagenknecht:

Hi,
I try to install Windows 8 32 bit on our oVirt 3.3.2 environmet.
I googled that two CPU Flags (SEP and NX) have to be set.
But I cannot manipulate the CPU Flags in the GUI.
Is there an other way to set the SEP and NX Flags for the VM?

Best Regards,
Michael


--
Mit freundlichen Grüßen

Michael Wagenknecht
FuH Entwicklungsgesellschaft mbH
Geschäftsführer Carola Fornoff
HRB Freiburg 701203, UID DE255007372
Elsässer Str. 18, D-79346 Endingen
Telefon +49 - 7642 - 92866 - 0

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Re: [Users] Win8 on oVirt

[Sven Kieske]

Well, maybe check with a linux distribution first:

cat /proc/cpuinfo

shows you that at least NX gets passed through
(on Intel Nehalem at least).

HTH

Am 11.03.2014 09:42, schrieb Michael Wagenknecht:
> Hi,
> I try to install Windows 8 32 bit on our oVirt 3.3.2 environmet.
> I googled that two CPU Flags (SEP and NX) have to be set.
> But I cannot manipulate the CPU Flags in the GUI.
> Is there an other way to set the SEP and NX Flags for the VM?
> 
> Best Regards,
> Michael

-- 
Mit freundlichen Grüßen / Regards

Sven Kieske

Systemadministrator
Mittwald CM Service GmbH & Co. KG
Königsberger Straße 6
32339 Espelkamp
T: +49-5772-293-100
F: +49-5772-293-333
https://www.mittwald.de
Geschäftsführer: Robert Meyer
St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen
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[Users] Win8 on oVirt

[Michael Wagenknecht]

Hi,
I try to install Windows 8 32 bit on our oVirt 3.3.2 environmet.
I googled that two CPU Flags (SEP and NX) have to be set.
But I cannot manipulate the CPU Flags in the GUI.
Is there an other way to set the SEP and NX Flags for the VM?

Best Regards,
Michael
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Re: [Users] oVirt in PAT - NAT environment

[Jarno Puff]

Hi René,

I don´t have a second NIC, only a public on eth0.

So, if I understood correctly, Neutron is not part of oVirt, but needs to be 
installed a part.

I need to use the All-in-one version of oVirt, so I need to install Neutron on 
this same host?

Any additional advice?



- Ursprüngliche Mail -
Von: "René Koch" 
An: "relaxibus" 
CC: "Assaf Muller" , users@ovirt.org
Gesendet: Montag, 10. März 2014 16:20:40
Betreff: Re: [Users] oVirt in PAT - NAT environment

Hi Jarno,

It should work in the following way (needs to be tested - had a similar 
setup with plain KVM, but didn't test it with oVirt):
- create a new network in oVirt and bridge it to your second nic (I 
guess the server will have 2 nics) or a dummy/virtual interface
- create your nat rules in iptables (if you're not that familiar with 
iptables you could use FWBuilder or shorewall).

Here's a documentation on how to setup Neutron:
http://www.ovirt.org/OVirt_Neutron_Integration


Regards,
René



On 03/10/2014 02:43 PM, Jarno Puff wrote:
> Hi Assaf,
>
> thanks for the answer.
>
> the data center where my server reside is a server4you.net, so all what you 
> get is a dedicated server and a public IP, thats it. You don´t have a 
> "private" network via a NIC, the only access to the server is via the public 
> IP.
>
> Ok, let´s try Neutron. Where can I find details on this? How to enable it and 
> how to configure it?
>
> Anyone could also give me advices on how to setup the iptables on my server 
> for correct DNAT and port forwarding to VMs? I would like to try boths.
>
> -Jarno
>
>
> - Ursprüngliche Mail -
> Von: "Assaf Muller" 
> An: "relaxibus" 
> CC: users@ovirt.org
> Gesendet: Montag, 10. März 2014 10:59:28
> Betreff: Re: [Users] oVirt in PAT - NAT environment
>
> - Original Message -
>> Hello folks,
>>
>
> Hi!
>
>> I know, this is a topic where you have spend a lots of words, but, after
>> installing oVirt 3.3 and 3.4 on CentOS and let goign google search engine to
>> become hot, I don´t found any solution for my environment.
>>
>> My environment:
>>
>> - dedicated server at "server4you.net" with CentOS 6
>> - Main IP (public) 82.25.xx.yy
>> - Addon IP (public) 62.75.xx.yy
>>
>> What I will do:
>>
>> - create VMs on a private network 192.x.y.z
>> - talk to the internet from the VMs (NAT)
>> - reach the VMs from the internet (PAT)
>> - reach the VMs via SSH from the host server
>>
>
> oVirt doesn't have built-in support for NAT. What you can do is either:
> 1) Define PAT on the data center edge router. For accessing VMS from the 
> outside
> you can either define port forwarding or DNAT. As for reaching the VMs from 
> your
> dedicated server, the easiest approach would be ensuring that the server has
> a leg in the private network.
>
> 2) You might want to try the oVirt Neutron integration. In Neutron you can
> create arbitrary private networks and VMs will get IPs from a DHCP server
> created in Neutron. You can then define a 'floating ip', which is a mapping
> between the VM's private IP and an allocated public IP on your public network.
> Neutron will do the DNAT for you.
>
> The oVirt Neutron integration in the recent 3.4 release [1] greatly improved
> the integration and it now includes IP address management, so you'll be
> able to do *nearly* everything from the oVirt GUI.
>
> [1] http://www.ovirt.org/OVirt_3.4.0_release_notes
>
>> I found some "workarounds", but no one was easy to implement or the infos was
>> not cobering all the aspects.
>>
>> I have seen the possibility to use a "hook", but no user guide and step by
>> step instruction found.
>>
>> Looking forward to get a working solution :-)
>>
>> Cheers,
>>
>> -Jarno
>> ___
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>> http://lists.ovirt.org/mailman/listinfo/users
>>
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>
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Re: [Users] Solaris 11 Support !

[Itamar Heim]

On 03/10/2014 09:07 PM, René Koch wrote:

Hi,

On 10.03.2014 19:21, Vishvendra Singh Chauhan wrote:

Hello,

Is it possible to install Solaris 11 in Ovirt?. If yes please guide me.


Yes, it is possible with a hook script which removes the CPU model from
the libvirt XML file. Keep in mind that Solaris 11 doesn't seem to work
on AMD CPUs, only on Intel.

Download 99_fix_solaris from:
https://github.com/ovido/ovirt-stuff/tree/master/hooks
and follow the instructions on this page on how to install it / prepare
your vm.

Btw, does it make sense to add my hook (packaged as RPM) to oVirt
repository as there are some requests for it on this mailing list?


send a patch to vdsm to add the hook?




Regards,
René







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Re: [Users] ovirt-engine certs

[Alon Bar-Lev]

3.1 upgrade was never actually supported if I remember correctly, so you may 
experience other issues as well.

But you can try the following sequence:

1. Move all hosts into maintenance via webadmin.

2. Stop ovirt-engine.

3. Backup your computer and database.

4. Remove /etc/pki/ovirt-engine/ca.pem

5. Run engine-setup.

6. Set new administrator password:

# engine-config -s AdminPassword=interactive

7. Restart ovirt-engine

8. Re-install all hosts via webadmin.

- Original Message -
> From: "Thomas Scofield" 
> To: "users" 
> Sent: Tuesday, March 11, 2014 7:13:27 AM
> Subject: [Users] ovirt-engine certs
> 
> 
> 
> How can I regenerate the ovirt engine CA certs and corresponding vdsm certs?
> I have an ovirt setup that I’m upgrading from 3.2.0 (from the dre repos) to
> 3.2.3 and I am getting the certificate errors listed below after the
> upgrade. I have done this same upgrade on an number of other ovirt-engines
> with no issue. The setup had originally been installed with ovirt 3.1 so it
> possible that some of the certificate configurations from 3.1 are still
> present on this ovirt-engine and it is contributing to the problem. For
> example, I noticed that the /etc/pki/ovirt-engine/cacert.conf file on this
> troublesome upgrade has “default_bits = rsa:1024”, but the systems that
> upgraded successfully have “default_bits = rsa:2048”. The same is true for
> the cert.conf file.
> 
> 
> 
> Engine.log
> 
> 2014-03-10 17:10:28,954 ERROR
> [org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo]
> (DefaultQuartzScheduler_Worker-2) vds::refreshVdsStats Failed getVdsStats,
> vds = a7459d21-b5a6-4330-9897-f2018c9a1776 : vm1, error =
> VDSNetworkException: javax.net.ssl.SSLHandshakeException: Received fatal
> alert: bad_certificate
> 
> 
> 
> Vdsm.log
> 
> BindingXMLRPC::ERROR::2014-03-10
> 20:58:00,871::SecureXMLRPCServer::97::root::(verify) invalid client
> certificate with subject "/C=US/O=
> example.com/CN=CA-ovirt1.example.com.30758 "
> 
> BindingXMLRPC::ERROR::2014-03-10
> 20:58:00,872::BindingXMLRPC::72::vds::(threaded_start) xml-rpc handler
> exception
> 
> Traceback (most recent call last):
> 
> File "/usr/share/vdsm/BindingXMLRPC.py", line 68, in threaded_start
> 
> self.server.handle_request()
> 
> File "/usr/lib64/python2.6/SocketServer.py", line 268, in handle_request
> 
> self._handle_request_noblock()
> 
> File "/usr/lib64/python2.6/SocketServer.py", line 278, in
> _handle_request_noblock
> 
> request, client_address = self.get_request()
> 
> File "/usr/lib64/python2.6/SocketServer.py", line 446, in get_request
> 
> return self.socket.accept()
> 
> File "/usr/lib64/python2.6/site-packages/vdsm/SecureXMLRPCServer.py", line
> 116, in accept
> 
> client, address = self.connection.accept()
> 
> File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line
> 167, in accept
> 
> ssl.accept_ssl()
> 
> File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line
> 156, in accept_ssl
> 
> return m2.ssl_accept(self.ssl, self._timeout)
> 
> SSLError: no certificate returned
> 
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