Re: [Users] (no subject)

[Shahar Havivi]

On 20.02.14 16:06, Koen Vanoppen wrote:
> Thanx, for the answer. But he successfully created a ticket and received a
> number, but when he then starts the client again, as asked ( "Connect to
> the client again (again, r-v will ask for the password in a pop-up
> window):" ) He has to give a password. Maybe important. The username field
> is empty and can't be modified.
How did you set the ticket?
it should be something like that (JavaScript code, the ticket is the Password
field)

spice.HostIP = '192.168.1.1';
spice.Port = '1212';
spice.Password = 'MyTicketPassword'
spice.Connect();

> 
> 
> Kind regards,
> 
> Koen
> 
> 
> 2014-02-20 16:03 GMT+01:00 Yedidyah Bar David :
> 
> > *From: *"Koen Vanoppen" 
> > *To: *users@ovirt.org
> > *Sent: *Thursday, February 20, 2014 4:56:10 PM
> > *Subject: *[Users] (no subject)
> >
> > Hey Guys,
> >
> > I'm back ;-). This time I have a question from one of our programmers.
> > He's trying this:
> >
> > http://www.ovirt.org/How_to_Connect_to_SPICE_Console_Without_Portal#Connecting_Using_REST_API
> >
> > But he bumps into this:
> >
> > Connect to the client again (again, r-v will ask for the password in a
> > pop-up window):
> >
> >  bash$ *remote-viewer --spice-ca-file ${CA_FILE} --spice-host-subject 
> > "${SUBJECT}" spice://${HOST}/?port=${PORT}\&tls-port=${SPORT}*
> >
> > Now, the question is What's the password? Or where can I find it?
> >
> >
> > I think you need to set it with setVmTicket - see that page for an example.
> > --
> > Didi
> >
> >

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Re: [Users] Opinions needed: 3 node gluster replica 3 | NFS async | snapshots for consistency

[Ayal Baron]

- Original Message -
> On Sun, Feb 23, 2014 at 3:20 PM, Ayal Baron  wrote:
> 
> >
> >
> > - Original Message -
> > > On Sun, Feb 23, 2014 at 4:27 AM, Ayal Baron  wrote:
> > >
> > > >
> > > >
> > > > - Original Message -
> > > > > I'm looking for some opinions on this configuration in an effort to
> > > > increase
> > > > > write performance:
> > > > >
> > > > > 3 storage nodes using glusterfs in replica 3, quorum.
> > > >
> > > > gluster doesn't support replica 3 yet, so I'm not sure how heavily I'd
> > > > rely on this.
> > > >
> > >
> > > Glusterfs or RHSS doesn't support rep 3? How could I create a quorum
> > > without 3+ hosts?
> >
> > glusterfs has the capability but it hasn't been widely tested with oVirt
> > yet and we've already found a couple of issues there.
> > afaiu gluster has the ability to define a tie breaker (a third node which
> > is part of the quorum but does not provide a third replica of the data).
> >
> 
> Good to know, I'll dig into this.
> 
> 
> >
> > >
> > >
> > > >
> > > > > Ovirt storage domain via NFS
> > > >
> > > > why NFS and not gluster?
> > > >
> > >
> > > Gluster via posix SD doesn't have any performance gains over NFS, maybe
> > the
> > > opposite.
> >
> > gluster via posix is mounting it using the gluster fuse client which
> > should provide better performance + availability than NFS.
> >
> 
> Availability for sure, but performance is seriously questionable. I've run
> in both scenarios and haven't seen a performance improvement, the general
> consensus seems to be fuse is adding overhead and therefore decreasing
> performance vs. NFS.

The fuse client has 2 performance aspects:
1. latency overhead (this can only be fixed using libgfapi, see below for more 
on that)
2. throughput - using the fuse mount we've been able to max out 10G ethernet. 
Per VM you don't need such throughput, but for many VMs, the way to get better 
throughput is to simply have multiple mounts.
This can be either:
1. create multiple storage domains (on same gluster) and you'll get better 
overall throughput
2. add code to vdsm to support multiple mounts per gluster volume and round 
robin the VMs between them (it is run time round robin, simply which path we're 
passing to libvirt).

> 
> 
> >
> > >
> > > Gluster 'native' SD's are broken on EL6.5 so I have been unable to test
> > > performance. I have heard performance can be upwards of 3x NFS for raw
> > > write.
> >
> > Broken how?
> >
> 
> Ongoing issues, libgfapi support wasn't available, and then was disabled
> because snapshot support wasn't built into the kvm packages which was a
> dependency. There are a few threads in reference to this, and some effort
> to get CentOS builds to enable snapshot support in kvm.
> 
> I have installed rebuilt qemu packages with the RHEV snapshot flag enabled,
> and was just able to create a native gluster SD, maybe I missed something
> during a previous attempt. I'll test performance and see if its close to
> what I'm looking for.

Just wanted to make sure that we're talking about the same thing.  Creating a 
gluster storage domain will still be using fuse in current version of ovirt, 
but the moment libgfapi works well with snapshots (libvirt has patches which 
we're testing) then we'll update vdsm to use libgfapi behind the scenes (so 
using gluster storage domain will automatically lead to usage of libgfapi once 
it is stable.

> 
> 
> >
> > >
> > > Gluster doesn't have an async write option, so its doubtful it will ever
> > be
> > > close to NFS async speeds.t
> > >
> > >
> > > >
> > > > > Volume set nfs.trusted-sync on
> > > > > On Ovirt, taking snapshots often enough to recover from a storage
> > crash
> > > >
> > > > Note that this would have negative write performance impact
> > > >
> > >
> > > The difference between NFS sync (<50MB/s) and async (>300MB/s on 10g)
> > write
> > > speeds should more than compensate for the performance hit of taking
> > > snapshots more often. And that's just raw speed. If we take into
> > > consideration IOPS (guest small writes) async is leaps and bounds ahead.
> >
> > I would test this, since qemu is already doing async I/O (using threads
> > when native AIO is not supported) and oVirt runs it with cache=none (direct
> > I/O) so sync ops should not happen that often (depends on guest).  You may
> > be still enjoying performance boost, but I've seen UPS systems fail before
> > bringing down multiple nodes at once.
> > In addition, if you do not guarantee your data is safe when you create a
> > snapshot (and it doesn't seem like you are) then I see no reason to think
> > your snapshots are any better off than latest state on disk.
> >
> 
> My logic here was if a snapshot is run, then the disk and system state
> should be consistent at time of snapshot once its been written to storage.

correct, but you have no guarantee that it is actually written to storage.  
That is what's giving you the better performance.

> If the host failed during snaps

Re: [Users] Fwd: Sample code for setting NIC - CloudInit

[Tejesh M]

Thanks. It worked.


On Fri, Feb 21, 2014 at 4:25 PM, Juan Hernandez  wrote:

> On 02/21/2014 08:13 AM, Tejesh M wrote:
> >
> > When i try to execute with the ovirt sdk 3.3.3 and do operations on
> > RHEV-M 3.3, it fails with below error
> >
>
> This happens because the oVirt SDK is compiled with Java 7, and you are
> probably using Java 6.
>
> I suggest to switch to Java 7, unless there is a very good reason to
> stick to Java 6. Java 6 "end of life" was declared by Oracle on Feb 1023.
>
> However, the OpenJDK community still support Java 6, so if you really
> need it please tell us, and we can try to make a version of the oVirt
> SDK compatible with Java 6.
>
> > Exception in thread "main" java.lang.UnsupportedClassVersionError:
> > org/ovirt/engine/sdk/Api
> > at rhvm.callAPI(rhvm.java:238)
> > at rhvm.main(rhvm.java:278)
> >
> >
> > On Fri, Feb 21, 2014 at 12:19 AM, Juan Hernandez  > > wrote:
> >
> > On 02/20/2014 05:56 PM, Tejesh M wrote:
> > > Ok. Will it take long time for that sdk to release?
> > >
> >
> > No, it should be released soon.
> >
> > Meanwhile you may want to use the latest ovirt 3.3 Java SDK, it is
> > almost identical to the RHEV-M Jaa SDK.
> >
> > If you are using maven these are the coordinates of the artifact:
> >
> > 
> > org.ovirt.engine.sdk
> > ovirt-engine-sdk-java
> > 3.3.3.0
> > 
> >
> > If you aren't using maven you can still download the .jar file from
> > here:
> >
> >
> http://search.maven.org/#artifactdetails|org.ovirt.engine.sdk|ovirt-engine-sdk-java|3.3.3.0|jar
> >
> > > On 20 Feb 2014 04:11, "Moti Asayag"  > 
> > > >> wrote:
> > >
> > >
> > >
> > > - Original Message -
> > > > From: "Tejesh M"  >   > >>
> > > > To: "users@oVirt.org"  >   > >>
> > > > Sent: Wednesday, February 19, 2014 3:24:40 PM
> > > > Subject: [Users] Fwd: Sample code for setting NIC - CloudInit
> > > >
> > > > Hi,
> > > >
> > > > Can someone share me sample java code for assigning IP
> > address for
> > > VM on eth0
> > > > through Java SDK via CloudInit ?
> > > >
> > >
> > > Hi Tejesh,
> > >
> > > I've attached a sample code that sends the required request
> > (as the
> > > output is demonstrated in debug mode).
> > > Note that the code is jdk-7 compliant.
> > > I haven't configured cloud-init and haven't tested it
> end-to-end.
> > > Please try to test it on your environment and provide a
> > feedback for it.
> > >
> > > Thanks,
> > > Moti
> > >
> > > > Something Like this but in Java:
> > > > 
> > > >  
> > > >
> > > >  eth0
> > > >  STATIC
> > > >  
> > > > netmask="255.255.0.0"
> > > >gateway="192.168.2.1" />
> > > >  
> > > >  true
> > > >
> > > >
> > > >  eth1
> > > >  DHCP
> > > >
> > > >
> > > >  eth2
> > > >  NONE
> > > >  true
> > > >
> > > >  
> > > >  
> > > >
> > > >  
> > > >1.1.2.2
> > > >  
> > > >  
> > > >1.2.3.4
> > > >  
> > > >
> > > >
> > > >  
> > > >qa.lab
> > > >  
> > > >  
> > > > google.com 
> >  
> > > >  
> > > >
> > > >  
> > > >
> > > >
> > > >
>
> --
> Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta
> 3ºD, 28016 Madrid, Spain
> Inscrita en el Reg. Mercantil de Madrid - C.I.F. B82657941 - Red Hat S.L.
>



-- 
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Tejesh
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[Users] After upgrade of ovirt > 3.3 all Windows vms lost their activation against Microsoft

[Ricky Schneberger]

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Hash: SHA1

Hi,

Why is the Windows VMs always lost their activation against Microsoft
after that I have upgrade ovirt?
Is there så big changes in hardware drivers etc that it will hit the
activation mechanism?

I think there should be a way to preserve the activation even after an
upgrade.

regards

- -- 
Ricky Schneberger
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Re: [Users] API read-only access / roles

[Sven Kieske]

First,

thanks for all the insightful replies.

As we would want to use this user in production
I'm not very interested in testing the mentioned
API from Juan (although I appreciate the work).

It's cool to hear UNIX users will be supported.

However it seems quite some overhead to implement
it for just one read only user and it might not
work at all, given the maturity of the code.

So I'd like to ask again if a built in user
would be possible for 3.4 or 3.4.1

I guess many people would use it.


-- 
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] After upgrade of ovirt > 3.3 all Windows vms lost their activation against Microsoft

[Karli Sjöberg]

On Mon, 2014-02-24 at 09:33 +0100, Ricky Schneberger wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
> 
> Hi,
> 
> Why is the Windows VMs always lost their activation against Microsoft
> after that I have upgrade ovirt?
> Is there så big changes in hardware drivers etc that it will hit the
> activation mechanism?
> 
> I think there should be a way to preserve the activation even after an
> upgrade.
> 
> regards
> 
> - -- 
> Ricky Schneberger
> -BEGIN PGP SIGNATURE-
> Version: GnuPG v1.4.14 (GNU/Linux)
> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
> 
> iEYEARECAAYFAlMLA7wACgkQOap81biMC2MTUQCbBEkMwhuWuCEAHuj7YT1vTQ/F
> Kg8An1+5n1SgIFG4KS/9vRkqng9VGyp9
> =/Xos
> -END PGP SIGNATURE-
> 

Hmm, we have also upgraded from 3.2 to 3.3 with Windows guests and we
never had this issue. Are you sure it´s really related to the upgrade?
Maybe it´s a different issue that surfaced at the same time?



-- 

Med Vänliga Hälsningar

---
Karli Sjöberg
Swedish University of Agricultural Sciences Box 7079 (Visiting Address
Kronåsvägen 8)
S-750 07 Uppsala, Sweden
Phone:  +46-(0)18-67 15 66
karli.sjob...@slu.se
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Re: [Users] Creating Logical Network issue - API

[Tejesh M]

Can you tel me how do i assign Logical Network(s) to one of the Physical
Nic on the Host.


On Fri, Feb 21, 2014 at 1:37 PM, Moti Asayag  wrote:

> h
>
> - Original Message -
> > From: "Tejesh M" 
> > To: "users@oVirt.org" 
> > Sent: Thursday, February 20, 2014 11:48:56 AM
> > Subject: [Users] Creating Logical Network issue - API
> >
> > Hi ,
> >
> > I'm trying to create Logical Network and assign it to cluster & want to
> bond
> > this to one of the Network Interface on Host. so that i can isolate my VM
> > from other networks.
> >
> > The issue is even if i set Cluster while creating Logical Network, it is
> not
> > setting the cluster. In Web Admin it is in unset state.
> >
> > Also, let me know how do i bind this Logical network on Host Interface.
> >
> > Java code:
> >
> > Network nw1=new Network();
> > VLAN vlan = new VLAN();
> > vlan.setId(2000);
> > nw1.setVlan(vlan);
> > IP ip = new IP();
> > ip.setAddress("192.168.1.151");
> > ip.setGateway("192.168.1.1");
> > ip.setNetmask("255.255.255.0");
>
> Note that the stated IP above will not be used to set the address on the
> host itself.
> In order to do so you should use either the 'setup networks' api on host's
> nics level.
> (Alternately, you can send POST request to /hosts/{host:id}/nics which
> utilize the
> former api (it is a bit simpler than using the setup networks api).
>
> Should look like:
> Host host = api.getHosts().get("host_name");
> Action action = new Action();
> action.setCheckConnectivity(true); //required for rollback in case of
> configuration failure
> action.setHostNics(...); // should contain the target configuration
> host.getHostNics().setupnetworks(action);
>
> where the action should contain the entire desired network configuration.
>
> You can find various python-sdk example for setup networks on my blog [1]
> I'll post few examples using the java sdk earlier next week.
>
> [1] https://motiasayag.wordpress.com/
>
> > nw1.setIp(ip);
> > nw1.setName("apiNetwork");
> >
> > nw1.setDataCenter(api.getDataCenters().get("testDC"));
> > nw1.setCluster(api.getClusters().get("testCluster"));
> >
> > org.ovirt.engine.sdk.decorators.Network nw2 = api.getNetworks().add(nw1);
> >
> > --
> > Thanks & Regards
> > Tejesh
> >
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
>



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Tejesh
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Re: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their activation against Microsoft

[Nir Soffer]

- Original Message -
> From: "Ricky Schneberger" 
> To: "users" 
> Sent: Monday, February 24, 2014 10:33:00 AM
> Subject: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their  
> activation  against Microsoft
> 
> Why is the Windows VMs always lost their activation against Microsoft
> after that I have upgrade ovirt?
> Is there så big changes in hardware drivers etc that it will hit the
> activation mechanism?
> 
> I think there should be a way to preserve the activation even after an
> upgrade.

I think you should complain about this to the OS vendor :-)

CCing Daniel.

Nir
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Re: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their activation against Microsoft

[Ricky Schneberger]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On 2014-02-24 09:53, Karli Sjöberg wrote:
> On Mon, 2014-02-24 at 09:33 +0100, Ricky Schneberger wrote:
> Hi,
>
> Why is the Windows VMs always lost their activation against Microsoft
> after that I have upgrade ovirt?
> Is there så big changes in hardware drivers etc that it will hit the
> activation mechanism?
>
> I think there should be a way to preserve the activation even after an
> upgrade.
>
> regards
>
>>
>
> Hmm, we have also upgraded from 3.2 to 3.3 with Windows guests and we
> never had this issue. Are you sure it´s really related to the upgrade?
> Maybe it´s a different issue that surfaced at the same time?
>
>
>

Hi,
Yes I am sure its related to the upgrade.

In the application log of the VM we can see  "hardware has changed from
previous boot" and also we have a licensing system on another host that
got in a stucked state because of the same reason - "hardware has
changed from previous boot".

regards

Ricky Schneberger
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[Users] Setting up a test enviroment

[Andy Michielsen]

Hello,

I 'm starting to set up an ovirt enviroment to provide our test users a
free but decent setup.

I have two servers and I would like to use one for NFS storage because of
the availability of 1 Tb and the the other server only as a node. I'm not
sure where to install the ovirt-engine on.

The NFS server has two quadcores and 32 Gb of RAM and 6 NIC's

The Node has two sixcores and 64 Gb of RAM and only 2 NIC's

Kind regards.
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Re: [Users] Setting up a test enviroment

[Meital Bourvine]

Hi Andy, 

I would suggest installing hosted engine on the node [1]. 

[1] http://www.ovirt.org/Features/Self_Hosted_Engine 

- Original Message -

> From: "Andy Michielsen" 
> To: users@ovirt.org
> Sent: Monday, February 24, 2014 11:32:28 AM
> Subject: [Users] Setting up a test enviroment

> Hello,

> I 'm starting to set up an ovirt enviroment to provide our test users a free
> but decent setup.

> I have two servers and I would like to use one for NFS storage because of the
> availability of 1 Tb and the the other server only as a node. I'm not sure
> where to install the ovirt-engine on.

> The NFS server has two quadcores and 32 Gb of RAM and 6 NIC's

> The Node has two sixcores and 64 Gb of RAM and only 2 NIC's

> Kind regards.

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Re: [Users] Host installation failed. SSH session closed during connection (ovirt-node-iso-3.0.3-1.1.fc19)

[Alon Bar-Lev]

- Original Message -
> From: "Udaya Kiran P" 
> To: d...@redhat.com, "Meital Bourvine" 
> Cc: "users" 
> Sent: Monday, February 24, 2014 6:58:13 AM
> Subject: Re: [Users] Host installation failed. SSH sessionclosed  during  
> connection (ovirt-node-iso-3.0.3-1.1.fc19)
> 
> Hi Dafna/ All,
> 
> There isn't any logs in the folder /var/logs/ovirt-engine/host-deploy. The
> host-deploy folder is empty (screenshot attached).
> 
> Any pointers to what might be causing the issue?
> 

Please do not attach pictures, plain text should be available.

What version of ovirt-engine do you use?

Can you please via cmdline execute and paste output:

 ssh - root@

No need to authenticate, just send the output.

Thanks!

> Please suggest.
> 
> Thank You,
> 
> Regards,
> Udaya Kiran
> 
> 
> On Thursday, 20 February 2014 5:37 PM, Dafna Ron  wrote:
> all installation failures will log the ssh issue in engine.
> this is why debugging host deployment should be done from the
> host-deploy/ and not from the engine log.
> Please look under /var/log/ovirt-engine/host-deploy/ and paste the error
> from the appropriate log.
> 
> Thanks,
> Dafna
> 
> On 02/20/2014 07:02 AM, Udaya Kiran P wrote:
> > Hi Meital,
> > 
> > I have added the Host by entering oVirt Engine Details in the Host and
> > then trying to approve the Host from the oVirt Management.
> > 
> > Engine - oVirt Engine 3.3, on Fedora 19
> > Host - oVirtNode Hypervisor (ovirt-node-iso-3.0.3-1.1.fc19)
> > 
> > Initially, I was not able ssh from the Engine to Host. After
> > setenforce 0 at Host, I was able to do ssh.
> > 
> > However, I was able to do ssh from Host to Engine without any trouble.
> > 
> > Appreciate your inputs.
> > 
> > Thank You,
> > 
> > Regards,
> > Udaya Kiran
> > 
> > 
> > On Wednesday, 19 February 2014 5:13 PM, Meital Bourvine
> > < mbour...@redhat.com > wrote:
> > Hi,
> > 
> > It seems that it's not related to the bug that you mentioned.
> > Can you please answer what I asked (about how did you add the host)?
> > 
> > Also, please try SSH from the engine to the host - is it working?
> > 
> > 
> > 
> > 
> > *From: *"Udaya Kiran P" < ukiran...@yahoo.in >
> > *To: *"Nir Soffer" < nsof...@redhat.com >, mbour...@redhat.com ,
> > "Itamar Heim" < ih...@redhat.com >
> > *Cc: *"users" < users@ovirt.org >
> > *Sent: *Wednesday, February 19, 2014 1:26:15 PM
> > *Subject: *Re: [Users] Host installation failed. SSH session
> > closed during connection (ovirt-node-iso-3.0.3-1.1.fc19)
> > 
> > Hi All,
> > 
> > I have disabled the selinux by setenforce 0.
> > 
> > Not sure if its related to the bug apache-sshd downgrading
> > mentioned in - https://bugzilla.redhat.com/show_bug.cgi?id=1021273
> > 
> > Below are the errors logged in engine.log.
> > 
> > Appreciate your help.
> > 
> > 
> > 
> > 2014-02-19 05:06:45,232 INFO
> > [org.ovirt.engine.core.register.RegisterServlet]
> > (ajp--127.0.0.1-8702-7) [1cb2fef] Succeeded to run RegisterVds.
> > 2014-02-19 05:58:01,374 ERROR
> > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > (ajp--127.0.0.1-8702-11) ovirt ISOs directory not found. Search
> > in: /usr/share/ovirt-node-iso
> > 2014-02-19 05:58:04,397 ERROR
> > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > (ajp--127.0.0.1-8702-11) ovirt ISOs directory not found. Search
> > in: /usr/share/ovirt-node-iso
> > 2014-02-19 05:58:09,433 ERROR
> > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > (ajp--127.0.0.1-8702-11) ovirt ISOs directory not found. Search
> > in: /usr/share/ovirt-node-iso
> > 2014-02-19 05:58:14,428 ERROR
> > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > (ajp--127.0.0.1-8702-11) ovirt ISOs directory not found. Search
> > in: /usr/share/ovirt-node-iso
> > 2014-02-19 05:58:14,909 ERROR
> > [org.ovirt.engine.core.bll.GetServerSSHKeyFingerprintQuery]
> > (ajp--127.0.0.1-8702-11) Could not fetch fingerprint of host
> > 10.10.155.240 with message: IOException: SSH session closed during
> > connection '10.10.155.240'
> > 2014-02-19 05:58:19,436 ERROR
> > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > (ajp--127.0.0.1-8702-11) ovirt ISOs directory not found. Search
> > in: /usr/share/ovirt-node-iso
> > 2014-02-19 05:58:24,572 ERROR
> > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > (ajp--127.0.0.1-8702-8) ovirt ISOs directory not found. Search in:
> > /usr/share/ovirt-node-iso
> > 2014-02-19 05:58:29,337 ERROR
> > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > (ajp--127.0.0.1-8702-7) ovirt ISOs directory not found. Search in:
> > /usr/share/ovirt-node-iso
> > 2014-02-19 05:58:34,379 ERROR
> > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > (ajp--127.0.0.1-8702-8) ovirt ISOs directory not found. Search in:
> > /usr/share/ovirt-node-iso
> > 2014-02-19 05:58:39,335 ERROR
> > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > (ajp--127.0.0.1-8702-7) ovirt ISOs directory not found. Search in:
> > /usr/share/ovirt-node-iso
> > 2014-02-19 05:58:44,340 ERROR
> > [org.ovi

Re: [Users] Nodes lose storage at random

[Nir Soffer]

- Original Message -
> From: "Johan Kooijman" 
> To: "Nir Soffer" 
> Cc: "users" 
> Sent: Monday, February 24, 2014 2:45:59 AM
> Subject: Re: [Users] Nodes lose storage at random
> 
> Interestingly enough - same thing happened today, around the same time.
> Logs from this host are attached.
> 
> Around 1:10 AM stuff starts to go wrong again. Same pattern - we reboot the
> node and the node is fine again.

So we made some progress, we know that it is not a problem with old kernel.

In messages we see the same picture:

1. sanlock fail to renew the lease
2. after 80 secodns, kill vdsm
3. sanlock and vdsm cannot access the storage
4. kernel complain about nfs server timeouts
   (explains why sanlock failed to renew the lease)
5. after reboot, nfs is accessible again
6. after few days goto step 1

This looks like kernel nfs issue.

Could be also kvm issue (running bsd on the one of the vm?)

Could be also some incompatibility with the nfs server - maybe you are using
esoteric configuration options?

CCing Ronen, in case this is related to kvm.

thread: http://lists.ovirt.org/pipermail/users/2014-February/021507.html

Nir
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Re: [Users] Creating Logical Network issue - API

[Tejesh M]

While setting Logical Network, it fails with below error:
code  : 400
reason: Bad Request
detail: Previous network name is required.

Code:
  String nw_name="ApiNetWork";
  org.ovirt.engine.sdk.decorators.Host hst =
api.getHosts().get("rhevhost");

hst.getHostNics().get("eth1").setNetwork(api.getNetworks().get(nw_name));
  //hst.getHostNics().get("eth1").setCheckConnectivity(true);
  //hst.getHostNics().get("eth1").setOverrideConfiguration(true);
  hst.getHostNics().get("eth1").update();



On Mon, Feb 24, 2014 at 2:30 PM, Tejesh M  wrote:

> Can you tel me how do i assign Logical Network(s) to one of the Physical
> Nic on the Host.
>
>
> On Fri, Feb 21, 2014 at 1:37 PM, Moti Asayag  wrote:
>
>> h
>>
>> - Original Message -
>> > From: "Tejesh M" 
>> > To: "users@oVirt.org" 
>> > Sent: Thursday, February 20, 2014 11:48:56 AM
>> > Subject: [Users] Creating Logical Network issue - API
>> >
>> > Hi ,
>> >
>> > I'm trying to create Logical Network and assign it to cluster & want to
>> bond
>> > this to one of the Network Interface on Host. so that i can isolate my
>> VM
>> > from other networks.
>> >
>> > The issue is even if i set Cluster while creating Logical Network, it
>> is not
>> > setting the cluster. In Web Admin it is in unset state.
>> >
>> > Also, let me know how do i bind this Logical network on Host Interface.
>> >
>> > Java code:
>> >
>> > Network nw1=new Network();
>> > VLAN vlan = new VLAN();
>> > vlan.setId(2000);
>> > nw1.setVlan(vlan);
>> > IP ip = new IP();
>> > ip.setAddress("192.168.1.151");
>> > ip.setGateway("192.168.1.1");
>> > ip.setNetmask("255.255.255.0");
>>
>> Note that the stated IP above will not be used to set the address on the
>> host itself.
>> In order to do so you should use either the 'setup networks' api on
>> host's nics level.
>> (Alternately, you can send POST request to /hosts/{host:id}/nics which
>> utilize the
>> former api (it is a bit simpler than using the setup networks api).
>>
>> Should look like:
>> Host host = api.getHosts().get("host_name");
>> Action action = new Action();
>> action.setCheckConnectivity(true); //required for rollback in case of
>> configuration failure
>> action.setHostNics(...); // should contain the target configuration
>> host.getHostNics().setupnetworks(action);
>>
>> where the action should contain the entire desired network configuration.
>>
>> You can find various python-sdk example for setup networks on my blog [1]
>> I'll post few examples using the java sdk earlier next week.
>>
>> [1] https://motiasayag.wordpress.com/
>>
>> > nw1.setIp(ip);
>> > nw1.setName("apiNetwork");
>> >
>> > nw1.setDataCenter(api.getDataCenters().get("testDC"));
>> > nw1.setCluster(api.getClusters().get("testCluster"));
>> >
>> > org.ovirt.engine.sdk.decorators.Network nw2 =
>> api.getNetworks().add(nw1);
>> >
>> > --
>> > Thanks & Regards
>> > Tejesh
>> >
>> > ___
>> > Users mailing list
>> > Users@ovirt.org
>> > http://lists.ovirt.org/mailman/listinfo/users
>> >
>>
>
>
>
> --
> Thanks & Regards
> Tejesh
>



-- 
Thanks & Regards
Tejesh
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Re: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their activation against Microsoft

[Vinzenz Feenstra]

On 02/24/2014 10:21 AM, Nir Soffer wrote:

- Original Message -

From: "Ricky Schneberger" 
To: "users" 
Sent: Monday, February 24, 2014 10:33:00 AM
Subject: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their 
activation  against Microsoft

Why is the Windows VMs always lost their activation against Microsoft
after that I have upgrade ovirt?
Is there så big changes in hardware drivers etc that it will hit the
activation mechanism?

I think there should be a way to preserve the activation even after an
upgrade.

I think you should complain about this to the OS vendor :-)
It simply means that the `Hardware` changed and I don't think that this 
should happen, for larger setups that's a pretty big problem, if you 
suddenly have to re-activate thousands of VM's due to the upgrade.


CCing Daniel.

Nir
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--
Regards,

Vinzenz Feenstra | Senior Software Engineer
RedHat Engineering Virtualization R & D
Phone: +420 532 294 625
IRC: vfeenstr or evilissimo

Better technology. Faster innovation. Powered by community collaboration.
See how it works at redhat.com

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Re: [Users] Host installation failed. SSH session closed during connection (ovirt-node-iso-3.0.3-1.1.fc19)

[Alon Bar-Lev]

- Original Message -
> From: "Udaya Kiran P" 
> To: "Alon Bar-Lev" 
> Cc: d...@redhat.com, "Meital Bourvine" , "users" 
> 
> Sent: Monday, February 24, 2014 12:13:00 PM
> Subject: Re: [Users] Host installation failed. SSH sessionclosed  during  
> connection (ovirt-node-iso-3.0.3-1.1.fc19)
> 
> Hi Alon,
> 
> I am using oVirt Engine 3.3

3.3.z, where z=?

> 
> Below the output for ssh - root@10.10.120.244
> 



> debug2: dh_gen_key: priv key bits set: 112/256
> debug2: bits set: 505/1024
> debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
> debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
> debug1: Server host key: DSA aa:26:ce:b4:13:7c:07:87:bc:1b:6b:c7:10:32:31:04

Do you have rsa key associated with sshd at remote server?

/etc/ssh/ssh_host_rsa_key*

Do you have disabled rsa algorithm at /etc/sshd/sshd_config ?

Thanks,
Alon

> 
> Appreciate your help.
> 
> Thank You.
> 
> Regards,
> Udaya Kiran
> 
> 
> 
> On Monday, 24 February 2014 3:01 PM, Alon Bar-Lev  wrote:
>  
> 
> 
> - Original Message -
> > From: "Udaya Kiran P" 
> > To: d...@redhat.com, "Meital Bourvine" 
> > Cc: "users" 
> > Sent: Monday, February 24, 2014 6:58:13 AM
> > Subject: Re: [Users] Host installation failed. SSH session    closed
> >     during    connection (ovirt-node-iso-3.0.3-1.1.fc19)
> > 
> > Hi Dafna/ All,
> > 
> > There isn't any logs in the folder /var/logs/ovirt-engine/host-deploy. The
> > host-deploy folder is empty (screenshot attached).
> > 
> > Any pointers to what might be causing the issue?
> > 
> 
> Please do not attach pictures, plain text should be available.
> 
> What version of ovirt-engine do you use?
> 
> Can you please via cmdline execute and paste output:
> 
> ssh - root@
> 
> No need to authenticate, just send the output.
> 
> Thanks!
> 
> > Please suggest.
> > 
> > Thank You,
> > 
> > Regards,
> > Udaya Kiran
> > 
> > 
> > On Thursday, 20 February 2014 5:37 PM, Dafna Ron  wrote:
> > all installation failures will log the ssh issue in engine.
> > this is why debugging host deployment should be done from the
> > host-deploy/ and not from the engine log.
> > Please look under /var/log/ovirt-engine/host-deploy/ and paste the error
> > from the appropriate log.
> > 
> > Thanks,
> > Dafna
> > 
> > On 02/20/2014 07:02 AM, Udaya Kiran P wrote:
> > > Hi Meital,
> > > 
> > > I have added the Host by entering oVirt Engine Details in the Host and
> > > then trying to approve the Host from the oVirt Management.
> > > 
> > > Engine - oVirt Engine 3.3, on Fedora 19
> > > Host - oVirtNode Hypervisor (ovirt-node-iso-3.0.3-1.1.fc19)
> > > 
> > > Initially, I was not able ssh from the Engine to Host. After
> > > setenforce 0 at Host, I was able to do ssh.
> > > 
> > > However, I was able to do ssh from Host to Engine without any trouble.
> > > 
> > > Appreciate your inputs.
> > > 
> > > Thank You,
> > > 
> > > Regards,
> > > Udaya Kiran
> > > 
> > > 
> > > On Wednesday, 19 February 2014 5:13 PM, Meital Bourvine
> > > < mbour...@redhat.com > wrote:
> > > Hi,
> > > 
> > > It seems that it's not related to the bug that you mentioned.
> > > Can you please answer what I asked (about how did you add the host)?
> > > 
> > > Also, please try SSH from the engine to the host - is it working?
> > > 
> > > 
> > > 
> > > 
> > > *From: *"Udaya Kiran P" < ukiran...@yahoo.in >
> > > *To: *"Nir Soffer" < nsof...@redhat.com >, mbour...@redhat.com ,
> > > "Itamar Heim" < ih...@redhat.com >
> > > *Cc: *"users" < users@ovirt.org >
> > > *Sent: *Wednesday, February 19, 2014 1:26:15 PM
> > > *Subject: *Re: [Users] Host installation failed. SSH session
> > > closed during connection (ovirt-node-iso-3.0.3-1.1.fc19)
> > > 
> > > Hi All,
> > > 
> > > I have disabled the selinux by setenforce 0.
> > > 
> > > Not sure if its related to the bug apache-sshd downgrading
> > > mentioned in - https://bugzilla.redhat.com/show_bug.cgi?id=1021273
> > > 
> > > Below are the errors logged in engine.log.
> > > 
> > > Appreciate your help.
> > > 
> > > 
> > > 
> > > 2014-02-19 05:06:45,232 INFO
> > > [org.ovirt.engine.core.register.RegisterServlet]
> > > (ajp--127.0.0.1-8702-7) [1cb2fef] Succeeded to run RegisterVds.
> > > 2014-02-19 05:58:01,374 ERROR
> > > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > > (ajp--127.0.0.1-8702-11) ovirt ISOs directory not found. Search
> > > in: /usr/share/ovirt-node-iso
> > > 2014-02-19 05:58:04,397 ERROR
> > > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > > (ajp--127.0.0.1-8702-11) ovirt ISOs directory not found. Search
> > > in: /usr/share/ovirt-node-iso
> > > 2014-02-19 05:58:09,433 ERROR
> > > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > > (ajp--127.0.0.1-8702-11) ovirt ISOs directory not found. Search
> > > in: /usr/share/ovirt-node-iso
> > > 2014-02-19 05:58:14,428 ERROR
> > > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > > (ajp--127.0.0.1-8702-11) ovirt ISOs directory not found. Search
> > > in: /usr/share/ovirt-node-iso
> > >

Re: [Users] Host installation failed. SSH session closed during connection (ovirt-node-iso-3.0.3-1.1.fc19)

[Alon Bar-Lev]

oh... it is ovirt-node...

Fabian, can it be that rsa key for sshd is not initialized?

- Original Message -
> From: "Alon Bar-Lev" 
> To: "Udaya Kiran P" 
> Cc: "users" 
> Sent: Monday, February 24, 2014 12:27:59 PM
> Subject: Re: [Users] Host installation failed. SSHsession closed  during  
> connection (ovirt-node-iso-3.0.3-1.1.fc19)
> 
> 
> 
> - Original Message -
> > From: "Udaya Kiran P" 
> > To: "Alon Bar-Lev" 
> > Cc: d...@redhat.com, "Meital Bourvine" , "users"
> > 
> > Sent: Monday, February 24, 2014 12:13:00 PM
> > Subject: Re: [Users] Host installation failed. SSH session  closed  during
> > connection (ovirt-node-iso-3.0.3-1.1.fc19)
> > 
> > Hi Alon,
> > 
> > I am using oVirt Engine 3.3
> 
> 3.3.z, where z=?
> 
> > 
> > Below the output for ssh - root@10.10.120.244
> > 
> 
> 
> 
> > debug2: dh_gen_key: priv key bits set: 112/256
> > debug2: bits set: 505/1024
> > debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
> > debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
> > debug1: Server host key: DSA
> > aa:26:ce:b4:13:7c:07:87:bc:1b:6b:c7:10:32:31:04
> 
> Do you have rsa key associated with sshd at remote server?
> 
> /etc/ssh/ssh_host_rsa_key*
> 
> Do you have disabled rsa algorithm at /etc/sshd/sshd_config ?
> 
> Thanks,
> Alon
> 
> > 
> > Appreciate your help.
> > 
> > Thank You.
> > 
> > Regards,
> > Udaya Kiran
> > 
> > 
> > 
> > On Monday, 24 February 2014 3:01 PM, Alon Bar-Lev 
> > wrote:
> >  
> > 
> > 
> > - Original Message -
> > > From: "Udaya Kiran P" 
> > > To: d...@redhat.com, "Meital Bourvine" 
> > > Cc: "users" 
> > > Sent: Monday, February 24, 2014 6:58:13 AM
> > > Subject: Re: [Users] Host installation failed. SSH session    closed
> > >     during    connection (ovirt-node-iso-3.0.3-1.1.fc19)
> > > 
> > > Hi Dafna/ All,
> > > 
> > > There isn't any logs in the folder /var/logs/ovirt-engine/host-deploy.
> > > The
> > > host-deploy folder is empty (screenshot attached).
> > > 
> > > Any pointers to what might be causing the issue?
> > > 
> > 
> > Please do not attach pictures, plain text should be available.
> > 
> > What version of ovirt-engine do you use?
> > 
> > Can you please via cmdline execute and paste output:
> > 
> > ssh - root@
> > 
> > No need to authenticate, just send the output.
> > 
> > Thanks!
> > 
> > > Please suggest.
> > > 
> > > Thank You,
> > > 
> > > Regards,
> > > Udaya Kiran
> > > 
> > > 
> > > On Thursday, 20 February 2014 5:37 PM, Dafna Ron  wrote:
> > > all installation failures will log the ssh issue in engine.
> > > this is why debugging host deployment should be done from the
> > > host-deploy/ and not from the engine log.
> > > Please look under /var/log/ovirt-engine/host-deploy/ and paste the error
> > > from the appropriate log.
> > > 
> > > Thanks,
> > > Dafna
> > > 
> > > On 02/20/2014 07:02 AM, Udaya Kiran P wrote:
> > > > Hi Meital,
> > > > 
> > > > I have added the Host by entering oVirt Engine Details in the Host and
> > > > then trying to approve the Host from the oVirt Management.
> > > > 
> > > > Engine - oVirt Engine 3.3, on Fedora 19
> > > > Host - oVirtNode Hypervisor (ovirt-node-iso-3.0.3-1.1.fc19)
> > > > 
> > > > Initially, I was not able ssh from the Engine to Host. After
> > > > setenforce 0 at Host, I was able to do ssh.
> > > > 
> > > > However, I was able to do ssh from Host to Engine without any trouble.
> > > > 
> > > > Appreciate your inputs.
> > > > 
> > > > Thank You,
> > > > 
> > > > Regards,
> > > > Udaya Kiran
> > > > 
> > > > 
> > > > On Wednesday, 19 February 2014 5:13 PM, Meital Bourvine
> > > > < mbour...@redhat.com > wrote:
> > > > Hi,
> > > > 
> > > > It seems that it's not related to the bug that you mentioned.
> > > > Can you please answer what I asked (about how did you add the host)?
> > > > 
> > > > Also, please try SSH from the engine to the host - is it working?
> > > > 
> > > > 
> > > > 
> > > > 
> > > > *From: *"Udaya Kiran P" < ukiran...@yahoo.in >
> > > > *To: *"Nir Soffer" < nsof...@redhat.com >, mbour...@redhat.com ,
> > > > "Itamar Heim" < ih...@redhat.com >
> > > > *Cc: *"users" < users@ovirt.org >
> > > > *Sent: *Wednesday, February 19, 2014 1:26:15 PM
> > > > *Subject: *Re: [Users] Host installation failed. SSH session
> > > > closed during connection (ovirt-node-iso-3.0.3-1.1.fc19)
> > > > 
> > > > Hi All,
> > > > 
> > > > I have disabled the selinux by setenforce 0.
> > > > 
> > > > Not sure if its related to the bug apache-sshd downgrading
> > > > mentioned in - https://bugzilla.redhat.com/show_bug.cgi?id=1021273
> > > > 
> > > > Below are the errors logged in engine.log.
> > > > 
> > > > Appreciate your help.
> > > > 
> > > > 
> > > > 
> > > > 2014-02-19 05:06:45,232 INFO
> > > > [org.ovirt.engine.core.register.RegisterServlet]
> > > > (ajp--127.0.0.1-8702-7) [1cb2fef] Succeeded to run RegisterVds.
> > > > 2014-02-19 05:58:01,374 ERROR
> > > > [org.ovirt.engine.core.bll.GetoVirtISOsQuery]
> > > > (

Re: [Users] Creating Logical Network issue - API

[Moti Asayag]

- Original Message -
> From: "Tejesh M" 
> To: "Moti Asayag" 
> Cc: "users@oVirt.org" 
> Sent: Monday, February 24, 2014 11:59:42 AM
> Subject: Re: [Users] Creating Logical Network issue - API
> 
> While setting Logical Network, it fails with below error:
> code  : 400
> reason: Bad Request
> detail: Previous network name is required.

See an example in the following post:

https://motiasayag.wordpress.com/2014/02/24/network-configuration-using-ovirt-engine-java-sdk/

> 
> Code:
>   String nw_name="ApiNetWork";
>   org.ovirt.engine.sdk.decorators.Host hst =
> api.getHosts().get("rhevhost");
> 
> hst.getHostNics().get("eth1").setNetwork(api.getNetworks().get(nw_name));
>   //hst.getHostNics().get("eth1").setCheckConnectivity(true);
>   //hst.getHostNics().get("eth1").setOverrideConfiguration(true);
>   hst.getHostNics().get("eth1").update();
> 
> 
> 
> On Mon, Feb 24, 2014 at 2:30 PM, Tejesh M  wrote:
> 
> > Can you tel me how do i assign Logical Network(s) to one of the Physical
> > Nic on the Host.
> >
> >
> > On Fri, Feb 21, 2014 at 1:37 PM, Moti Asayag  wrote:
> >
> >> h
> >>
> >> - Original Message -
> >> > From: "Tejesh M" 
> >> > To: "users@oVirt.org" 
> >> > Sent: Thursday, February 20, 2014 11:48:56 AM
> >> > Subject: [Users] Creating Logical Network issue - API
> >> >
> >> > Hi ,
> >> >
> >> > I'm trying to create Logical Network and assign it to cluster & want to
> >> bond
> >> > this to one of the Network Interface on Host. so that i can isolate my
> >> VM
> >> > from other networks.
> >> >
> >> > The issue is even if i set Cluster while creating Logical Network, it
> >> is not
> >> > setting the cluster. In Web Admin it is in unset state.
> >> >
> >> > Also, let me know how do i bind this Logical network on Host Interface.
> >> >
> >> > Java code:
> >> >
> >> > Network nw1=new Network();
> >> > VLAN vlan = new VLAN();
> >> > vlan.setId(2000);
> >> > nw1.setVlan(vlan);
> >> > IP ip = new IP();
> >> > ip.setAddress("192.168.1.151");
> >> > ip.setGateway("192.168.1.1");
> >> > ip.setNetmask("255.255.255.0");
> >>
> >> Note that the stated IP above will not be used to set the address on the
> >> host itself.
> >> In order to do so you should use either the 'setup networks' api on
> >> host's nics level.
> >> (Alternately, you can send POST request to /hosts/{host:id}/nics which
> >> utilize the
> >> former api (it is a bit simpler than using the setup networks api).
> >>
> >> Should look like:
> >> Host host = api.getHosts().get("host_name");
> >> Action action = new Action();
> >> action.setCheckConnectivity(true); //required for rollback in case of
> >> configuration failure
> >> action.setHostNics(...); // should contain the target configuration
> >> host.getHostNics().setupnetworks(action);
> >>
> >> where the action should contain the entire desired network configuration.
> >>
> >> You can find various python-sdk example for setup networks on my blog [1]
> >> I'll post few examples using the java sdk earlier next week.
> >>
> >> [1] https://motiasayag.wordpress.com/
> >>
> >> > nw1.setIp(ip);
> >> > nw1.setName("apiNetwork");
> >> >
> >> > nw1.setDataCenter(api.getDataCenters().get("testDC"));
> >> > nw1.setCluster(api.getClusters().get("testCluster"));
> >> >
> >> > org.ovirt.engine.sdk.decorators.Network nw2 =
> >> api.getNetworks().add(nw1);
> >> >
> >> > --
> >> > Thanks & Regards
> >> > Tejesh
> >> >
> >> > ___
> >> > Users mailing list
> >> > Users@ovirt.org
> >> > http://lists.ovirt.org/mailman/listinfo/users
> >> >
> >>
> >
> >
> >
> > --
> > Thanks & Regards
> > Tejesh
> >
> 
> 
> 
> --
> Thanks & Regards
> Tejesh
> 
___
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Users@ovirt.org
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Re: [Users] Creating Logical Network issue - API

[Moti Asayag]

- Original Message -
> From: "Tejesh M" 
> To: "Moti Asayag" 
> Cc: "users@oVirt.org" 
> Sent: Monday, February 24, 2014 1:18:53 PM
> Subject: Re: [Users] Creating Logical Network issue - API
> 
> The example updates the existing Network (i.e. if the Logical Network is
> already mapped to eth1). But what i'm looking for is how to map Logical
> Network "ApiNetWork" to "eth1", please refer screenshot.
> 

Please check the last example named "AddNetworkToNic" from
https://motiasayag.wordpress.com/2014/02/24/network-configuration-using-ovirt-engine-java-sdk/

It should achieve what you're aiming for.

> 
> On Mon, Feb 24, 2014 at 4:11 PM, Moti Asayag  wrote:
> 
> > - Original Message -
> > > From: "Tejesh M" 
> > > To: "Moti Asayag" 
> > > Cc: "users@oVirt.org" 
> > > Sent: Monday, February 24, 2014 11:59:42 AM
> > > Subject: Re: [Users] Creating Logical Network issue - API
> > >
> > > While setting Logical Network, it fails with below error:
> > > code  : 400
> > > reason: Bad Request
> > > detail: Previous network name is required.
> >
> > See an example in the following post:
> >
> >
> > https://motiasayag.wordpress.com/2014/02/24/network-configuration-using-ovirt-engine-java-sdk/
> >
> > >
> > > Code:
> > >   String nw_name="ApiNetWork";
> > >   org.ovirt.engine.sdk.decorators.Host hst =
> > > api.getHosts().get("rhevhost");
> > >
> > > hst.getHostNics().get("eth1").setNetwork(api.getNetworks().get(nw_name));
> > >   //hst.getHostNics().get("eth1").setCheckConnectivity(true);
> > >   //hst.getHostNics().get("eth1").setOverrideConfiguration(true);
> > >   hst.getHostNics().get("eth1").update();
> > >
> > >
> > >
> > > On Mon, Feb 24, 2014 at 2:30 PM, Tejesh M  wrote:
> > >
> > > > Can you tel me how do i assign Logical Network(s) to one of the
> > Physical
> > > > Nic on the Host.
> > > >
> > > >
> > > > On Fri, Feb 21, 2014 at 1:37 PM, Moti Asayag 
> > wrote:
> > > >
> > > >> h
> > > >>
> > > >> - Original Message -
> > > >> > From: "Tejesh M" 
> > > >> > To: "users@oVirt.org" 
> > > >> > Sent: Thursday, February 20, 2014 11:48:56 AM
> > > >> > Subject: [Users] Creating Logical Network issue - API
> > > >> >
> > > >> > Hi ,
> > > >> >
> > > >> > I'm trying to create Logical Network and assign it to cluster &
> > want to
> > > >> bond
> > > >> > this to one of the Network Interface on Host. so that i can isolate
> > my
> > > >> VM
> > > >> > from other networks.
> > > >> >
> > > >> > The issue is even if i set Cluster while creating Logical Network,
> > it
> > > >> is not
> > > >> > setting the cluster. In Web Admin it is in unset state.
> > > >> >
> > > >> > Also, let me know how do i bind this Logical network on Host
> > Interface.
> > > >> >
> > > >> > Java code:
> > > >> >
> > > >> > Network nw1=new Network();
> > > >> > VLAN vlan = new VLAN();
> > > >> > vlan.setId(2000);
> > > >> > nw1.setVlan(vlan);
> > > >> > IP ip = new IP();
> > > >> > ip.setAddress("192.168.1.151");
> > > >> > ip.setGateway("192.168.1.1");
> > > >> > ip.setNetmask("255.255.255.0");
> > > >>
> > > >> Note that the stated IP above will not be used to set the address on
> > the
> > > >> host itself.
> > > >> In order to do so you should use either the 'setup networks' api on
> > > >> host's nics level.
> > > >> (Alternately, you can send POST request to /hosts/{host:id}/nics which
> > > >> utilize the
> > > >> former api (it is a bit simpler than using the setup networks api).
> > > >>
> > > >> Should look like:
> > > >> Host host = api.getHosts().get("host_name");
> > > >> Action action = new Action();
> > > >> action.setCheckConnectivity(true); //required for rollback in
> > case of
> > > >> configuration failure
> > > >> action.setHostNics(...); // should contain the target
> > configuration
> > > >> host.getHostNics().setupnetworks(action);
> > > >>
> > > >> where the action should contain the entire desired network
> > configuration.
> > > >>
> > > >> You can find various python-sdk example for setup networks on my blog
> > [1]
> > > >> I'll post few examples using the java sdk earlier next week.
> > > >>
> > > >> [1] https://motiasayag.wordpress.com/
> > > >>
> > > >> > nw1.setIp(ip);
> > > >> > nw1.setName("apiNetwork");
> > > >> >
> > > >> > nw1.setDataCenter(api.getDataCenters().get("testDC"));
> > > >> > nw1.setCluster(api.getClusters().get("testCluster"));
> > > >> >
> > > >> > org.ovirt.engine.sdk.decorators.Network nw2 =
> > > >> api.getNetworks().add(nw1);
> > > >> >
> > > >> > --
> > > >> > Thanks & Regards
> > > >> > Tejesh
> > > >> >
> > > >> > ___
> > > >> > Users mailing list
> > > >> > Users@ovirt.org
> > > >> > http://lists.ovirt.org/mailman/listinfo/users
> > > >> >
> > > >>
> > > >
> > > >
> > > >
> > > > --
> > > > Thanks & Regards
> > > > Tejesh
> > > >
> > >
> > >
> > >
> > > --
> > > Thanks & Regards
> > > Tejesh
> > >
> >
> 
> 
> 
> --
> Thanks & Regards
> Tejesh
> 
___

Re: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their activation against Microsoft

[Nir Soffer]

- Original Message -
> From: "Ricky Schneberger" 
> To: "users" 
> Sent: Monday, February 24, 2014 10:33:00 AM
> Subject: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their  
> activation  against Microsoft
> 
> Why is the Windows VMs always lost their activation against Microsoft
> after that I have upgrade ovirt?
> Is there så big changes in hardware drivers etc that it will hit the
> activation mechanism?
> 
> I think there should be a way to preserve the activation even after an
> upgrade.

I guess that Ricky is talking about upgrade from data center/cluster version 
3.1 to 3.3,
related to this bug: https://bugzilla.redhat.com/1067849

Eli, can you help with this?
___
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Re: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their activation against Microsoft

[Ricky Schneberger]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On 2014-02-24 13:06, Nir Soffer wrote:
> - Original Message -
>> From: "Ricky Schneberger"  To: "users"
>>  Sent: Monday, February 24, 2014 10:33:00 AM 
>> Subject: [Users] After upgrade of ovirt > 3.3 all Windows vms
>> lost their   activation  against Microsoft
>> 
>> Why is the Windows VMs always lost their activation against
>> Microsoft after that I have upgrade ovirt? Is there så big
>> changes in hardware drivers etc that it will hit the activation
>> mechanism?
>> 
>> I think there should be a way to preserve the activation even
>> after an upgrade.
> 
> I guess that Ricky is talking about upgrade from data
> center/cluster version 3.1 to 3.3, related to this bug:
> https://bugzilla.redhat.com/1067849
> 
> Eli, can you help with this?
> 

Hi,
No, its not related to that bug. That bug was found in my test
environment. The problem with VMs that lost their activation status is
in my production environment.

One cause I just investigate is that those VMs that have lost their
activation was running on another node before the upgrade then after
the upgrade. The problem should then be in differences between my
nodes. Even as I does not had that problem before.
- -- 
Ricky Schneberger

-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.14 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/

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8l4AnjWAX5tVEGB9wBD76giKi4nOOgJp
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0xB88C0B63.asc
Description: application/pgp-keys
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Re: [Users] Creating Logical Network issue - API

[Moti Asayag]

- Original Message -
> From: "Tejesh M" 
> To: "Moti Asayag" 
> Cc: "users@oVirt.org" 
> Sent: Monday, February 24, 2014 1:18:53 PM
> Subject: Re: [Users] Creating Logical Network issue - API
> 
> The example updates the existing Network (i.e. if the Logical Network is
> already mapped to eth1). But what i'm looking for is how to map Logical
> Network "ApiNetWork" to "eth1", please refer screenshot.
> 

There is an example of the 'setup networks' api usage via the java sdk in [1]
which is the recommended api for configuring host networking.

[1] 
https://motiasayag.wordpress.com/2014/02/24/invoke-setup-networks-from-the-java-sdk/

> 
> On Mon, Feb 24, 2014 at 4:11 PM, Moti Asayag  wrote:
> 
> > - Original Message -
> > > From: "Tejesh M" 
> > > To: "Moti Asayag" 
> > > Cc: "users@oVirt.org" 
> > > Sent: Monday, February 24, 2014 11:59:42 AM
> > > Subject: Re: [Users] Creating Logical Network issue - API
> > >
> > > While setting Logical Network, it fails with below error:
> > > code  : 400
> > > reason: Bad Request
> > > detail: Previous network name is required.
> >
> > See an example in the following post:
> >
> >
> > https://motiasayag.wordpress.com/2014/02/24/network-configuration-using-ovirt-engine-java-sdk/
> >
> > >
> > > Code:
> > >   String nw_name="ApiNetWork";
> > >   org.ovirt.engine.sdk.decorators.Host hst =
> > > api.getHosts().get("rhevhost");
> > >
> > > hst.getHostNics().get("eth1").setNetwork(api.getNetworks().get(nw_name));
> > >   //hst.getHostNics().get("eth1").setCheckConnectivity(true);
> > >   //hst.getHostNics().get("eth1").setOverrideConfiguration(true);
> > >   hst.getHostNics().get("eth1").update();
> > >
> > >
> > >
> > > On Mon, Feb 24, 2014 at 2:30 PM, Tejesh M  wrote:
> > >
> > > > Can you tel me how do i assign Logical Network(s) to one of the
> > Physical
> > > > Nic on the Host.
> > > >
> > > >
> > > > On Fri, Feb 21, 2014 at 1:37 PM, Moti Asayag 
> > wrote:
> > > >
> > > >> h
> > > >>
> > > >> - Original Message -
> > > >> > From: "Tejesh M" 
> > > >> > To: "users@oVirt.org" 
> > > >> > Sent: Thursday, February 20, 2014 11:48:56 AM
> > > >> > Subject: [Users] Creating Logical Network issue - API
> > > >> >
> > > >> > Hi ,
> > > >> >
> > > >> > I'm trying to create Logical Network and assign it to cluster &
> > want to
> > > >> bond
> > > >> > this to one of the Network Interface on Host. so that i can isolate
> > my
> > > >> VM
> > > >> > from other networks.
> > > >> >
> > > >> > The issue is even if i set Cluster while creating Logical Network,
> > it
> > > >> is not
> > > >> > setting the cluster. In Web Admin it is in unset state.
> > > >> >
> > > >> > Also, let me know how do i bind this Logical network on Host
> > Interface.
> > > >> >
> > > >> > Java code:
> > > >> >
> > > >> > Network nw1=new Network();
> > > >> > VLAN vlan = new VLAN();
> > > >> > vlan.setId(2000);
> > > >> > nw1.setVlan(vlan);
> > > >> > IP ip = new IP();
> > > >> > ip.setAddress("192.168.1.151");
> > > >> > ip.setGateway("192.168.1.1");
> > > >> > ip.setNetmask("255.255.255.0");
> > > >>
> > > >> Note that the stated IP above will not be used to set the address on
> > the
> > > >> host itself.
> > > >> In order to do so you should use either the 'setup networks' api on
> > > >> host's nics level.
> > > >> (Alternately, you can send POST request to /hosts/{host:id}/nics which
> > > >> utilize the
> > > >> former api (it is a bit simpler than using the setup networks api).
> > > >>
> > > >> Should look like:
> > > >> Host host = api.getHosts().get("host_name");
> > > >> Action action = new Action();
> > > >> action.setCheckConnectivity(true); //required for rollback in
> > case of
> > > >> configuration failure
> > > >> action.setHostNics(...); // should contain the target
> > configuration
> > > >> host.getHostNics().setupnetworks(action);
> > > >>
> > > >> where the action should contain the entire desired network
> > configuration.
> > > >>
> > > >> You can find various python-sdk example for setup networks on my blog
> > [1]
> > > >> I'll post few examples using the java sdk earlier next week.
> > > >>
> > > >> [1] https://motiasayag.wordpress.com/
> > > >>
> > > >> > nw1.setIp(ip);
> > > >> > nw1.setName("apiNetwork");
> > > >> >
> > > >> > nw1.setDataCenter(api.getDataCenters().get("testDC"));
> > > >> > nw1.setCluster(api.getClusters().get("testCluster"));
> > > >> >
> > > >> > org.ovirt.engine.sdk.decorators.Network nw2 =
> > > >> api.getNetworks().add(nw1);
> > > >> >
> > > >> > --
> > > >> > Thanks & Regards
> > > >> > Tejesh
> > > >> >
> > > >> > ___
> > > >> > Users mailing list
> > > >> > Users@ovirt.org
> > > >> > http://lists.ovirt.org/mailman/listinfo/users
> > > >> >
> > > >>
> > > >
> > > >
> > > >
> > > > --
> > > > Thanks & Regards
> > > > Tejesh
> > > >
> > >
> > >
> > >
> > > --
> > > Thanks & Regards
> > > Tejesh
> > >
> >
> 
> 
> 
> --
> Thanks

Re: [Users] Creating Logical Network issue - API

[Tejesh M]

Thanks alot.. Will try and let you know the feedback.


On Mon, Feb 24, 2014 at 5:23 PM, Moti Asayag  wrote:

>
>
> - Original Message -
> > From: "Tejesh M" 
> > To: "Moti Asayag" 
> > Cc: "users@oVirt.org" 
> > Sent: Monday, February 24, 2014 1:18:53 PM
> > Subject: Re: [Users] Creating Logical Network issue - API
> >
> > The example updates the existing Network (i.e. if the Logical Network is
> > already mapped to eth1). But what i'm looking for is how to map Logical
> > Network "ApiNetWork" to "eth1", please refer screenshot.
> >
>
> Please check the last example named "AddNetworkToNic" from
>
> https://motiasayag.wordpress.com/2014/02/24/network-configuration-using-ovirt-engine-java-sdk/
>
> It should achieve what you're aiming for.
>
> >
> > On Mon, Feb 24, 2014 at 4:11 PM, Moti Asayag  wrote:
> >
> > > - Original Message -
> > > > From: "Tejesh M" 
> > > > To: "Moti Asayag" 
> > > > Cc: "users@oVirt.org" 
> > > > Sent: Monday, February 24, 2014 11:59:42 AM
> > > > Subject: Re: [Users] Creating Logical Network issue - API
> > > >
> > > > While setting Logical Network, it fails with below error:
> > > > code  : 400
> > > > reason: Bad Request
> > > > detail: Previous network name is required.
> > >
> > > See an example in the following post:
> > >
> > >
> > >
> https://motiasayag.wordpress.com/2014/02/24/network-configuration-using-ovirt-engine-java-sdk/
> > >
> > > >
> > > > Code:
> > > >   String nw_name="ApiNetWork";
> > > >   org.ovirt.engine.sdk.decorators.Host hst =
> > > > api.getHosts().get("rhevhost");
> > > >
> > > >
> hst.getHostNics().get("eth1").setNetwork(api.getNetworks().get(nw_name));
> > > >   //hst.getHostNics().get("eth1").setCheckConnectivity(true);
> > > >
> //hst.getHostNics().get("eth1").setOverrideConfiguration(true);
> > > >   hst.getHostNics().get("eth1").update();
> > > >
> > > >
> > > >
> > > > On Mon, Feb 24, 2014 at 2:30 PM, Tejesh M 
> wrote:
> > > >
> > > > > Can you tel me how do i assign Logical Network(s) to one of the
> > > Physical
> > > > > Nic on the Host.
> > > > >
> > > > >
> > > > > On Fri, Feb 21, 2014 at 1:37 PM, Moti Asayag 
> > > wrote:
> > > > >
> > > > >> h
> > > > >>
> > > > >> - Original Message -
> > > > >> > From: "Tejesh M" 
> > > > >> > To: "users@oVirt.org" 
> > > > >> > Sent: Thursday, February 20, 2014 11:48:56 AM
> > > > >> > Subject: [Users] Creating Logical Network issue - API
> > > > >> >
> > > > >> > Hi ,
> > > > >> >
> > > > >> > I'm trying to create Logical Network and assign it to cluster &
> > > want to
> > > > >> bond
> > > > >> > this to one of the Network Interface on Host. so that i can
> isolate
> > > my
> > > > >> VM
> > > > >> > from other networks.
> > > > >> >
> > > > >> > The issue is even if i set Cluster while creating Logical
> Network,
> > > it
> > > > >> is not
> > > > >> > setting the cluster. In Web Admin it is in unset state.
> > > > >> >
> > > > >> > Also, let me know how do i bind this Logical network on Host
> > > Interface.
> > > > >> >
> > > > >> > Java code:
> > > > >> >
> > > > >> > Network nw1=new Network();
> > > > >> > VLAN vlan = new VLAN();
> > > > >> > vlan.setId(2000);
> > > > >> > nw1.setVlan(vlan);
> > > > >> > IP ip = new IP();
> > > > >> > ip.setAddress("192.168.1.151");
> > > > >> > ip.setGateway("192.168.1.1");
> > > > >> > ip.setNetmask("255.255.255.0");
> > > > >>
> > > > >> Note that the stated IP above will not be used to set the address
> on
> > > the
> > > > >> host itself.
> > > > >> In order to do so you should use either the 'setup networks' api
> on
> > > > >> host's nics level.
> > > > >> (Alternately, you can send POST request to /hosts/{host:id}/nics
> which
> > > > >> utilize the
> > > > >> former api (it is a bit simpler than using the setup networks
> api).
> > > > >>
> > > > >> Should look like:
> > > > >> Host host = api.getHosts().get("host_name");
> > > > >> Action action = new Action();
> > > > >> action.setCheckConnectivity(true); //required for rollback in
> > > case of
> > > > >> configuration failure
> > > > >> action.setHostNics(...); // should contain the target
> > > configuration
> > > > >> host.getHostNics().setupnetworks(action);
> > > > >>
> > > > >> where the action should contain the entire desired network
> > > configuration.
> > > > >>
> > > > >> You can find various python-sdk example for setup networks on my
> blog
> > > [1]
> > > > >> I'll post few examples using the java sdk earlier next week.
> > > > >>
> > > > >> [1] https://motiasayag.wordpress.com/
> > > > >>
> > > > >> > nw1.setIp(ip);
> > > > >> > nw1.setName("apiNetwork");
> > > > >> >
> > > > >> > nw1.setDataCenter(api.getDataCenters().get("testDC"));
> > > > >> > nw1.setCluster(api.getClusters().get("testCluster"));
> > > > >> >
> > > > >> > org.ovirt.engine.sdk.decorators.Network nw2 =
> > > > >> api.getNetworks().add(nw1);
> > > > >> >
> > > > >> > --
> > > > >> > Thanks & Regards
> > > > >> > Tejesh
> > > > >> >
> > > > >>

Re: [Users] Vm's being paused

[Neil]

Hi Dafna,

My sincere apologies for not coming back to you sooner on this. I've
finally had a chance to start investigating, but in between my last
discussion and now, updates have been done on both the hosts and the
engine, so perhaps something there has fixed it, as I haven't had a
pause happen in quite a long time.

When trying to gather the info you requested above I think I've found
what is causing all the excessive logging...that I sent through
previously...

I have a VM called Proxy, which a few years back ran out of disk
space, and wouldn't boot, as it required an fsck, but we'd get an
unknown storage error when doing an fsck on the image, so we had to
attach a new LUN and dd out the entire image, then run an fsck, and
then re-import the image, which got the VM operational again. A while
back we tried to remove the old disk image, and received a storage
error, and looking at this now I see that it appears the old image
never successfully removed.  If I look at the VM under Disks I can see
the old disk still attached in place, but there is an hourglass
instead of a green arrow showing. Also right clicking on the Disk the
only option you can choose is Add, so something seems to still have
this locked.

In the logs I have the same error showing over and over...

AttributeError: 'Drive' object has no attribute 'format'
Thread-313::DEBUG::2014-02-24
16:44:30,056::libvirtconnection::108::libvirtconnection::(wrapper)
Unknown libvirterror: ecode: 8 edom: 10 level: 2 message: invalid
argument: invalid path
/rhev/data-center/mnt/blockSD/0e6991ae-6238-4c61-96d2-ca8fed35161e/images/6128b18f-eee9-422e-bc8a-f3b9fe331b09/38ac4afa-22e9-4359-ac16-3ff5d7b3b6db
not assigned to domain
Thread-313::ERROR::2014-02-24
16:44:30,057::sampling::355::vm.Vm::(collect)
vmId=`23b9212c-1e25-4003-aa18-b1e819bf6bb1`::Stats function failed:

Traceback (most recent call last):
  File "/usr/share/vdsm/sampling.py", line 351, in collect
statsFunction()
  File "/usr/share/vdsm/sampling.py", line 226, in __call__
retValue = self._function(*args, **kwargs)
  File "/usr/share/vdsm/vm.py", line 528, in _highWrite
self._vm.extendDrivesIfNeeded()
  File "/usr/share/vdsm/vm.py", line 2288, in extendDrivesIfNeeded
capacity, alloc, physical = self._dom.blockInfo(drive.path, 0)
  File "/usr/share/vdsm/vm.py", line 841, in f
ret = attr(*args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/vdsm/libvirtconnection.py",
line 76, in wrapper
ret = f(*args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/libvirt.py", line 1814, in blockInfo
if ret is None: raise libvirtError ('virDomainGetBlockInfo()
failed', dom=self)
libvirtError: invalid argument: invalid path
/rhev/data-center/mnt/blockSD/0e6991ae-6238-4c61-96d2-ca8fed35161e/images/6128b18f-eee9-422e-bc8a-f3b9fe331b09/38ac4afa-22e9-4359-ac16-3ff5d7b3b6db
not assigned to domain


Any ideas on how to get rid of the "corrupt" disk finally?

Thanks.

Regards.

Neil Wilson.



On Wed, Jan 29, 2014 at 5:32 PM, Dafna Ron  wrote:
> mmm... I think that there is a bug with the iso domain and I am not sure
> if it was already opened.
>
> can you help me to debug this and see if its related? :)
>
> I think that you have some intermittent network issues to the iso domain and
> every time it happens, the vms that have booted with a cd (even if you
> detached it) would pause.
>
> I have a second suspicion... is it possible that the vms that pause had a cd
> and you ejected it at some point? perhaps after or during the network issues
> you had on the 14th?
> can you run dumpxml from libvirt? let me know if you need help with this
> command.
>
> Thanks,
>
> Dafna
>
>
> On 01/29/2014 02:16 PM, Neil wrote:
>>
>> Hi Dafna,
>>
>>
>> On Wed, Jan 29, 2014 at 1:14 PM, Dafna Ron  wrote:
>>>
>>> The reason I asked about the size if because this was the original issue
>>> no?
>>> vm's pausing on lack of space?
>>
>> Apologies, I just wanted to make sure it was still about this pausing
>> and not the original migration issue that I think you were also
>> helping me with a few weeks back.
>>
>>> You're having a problem with your data domains.
>>> Can you check the rout from the hosts to the storage? I think that you
>>> have
>>> some disconnection to the storage from the hosts
>>> since it's random and not from all the vm's I would suggest that its a
>>> routing problem?
>>> Thanks,
>>> Dafna
>>
>> The connections to the main data domain is 8Gb Fibre Channel directly
>> from each of the hosts to the FC SAN, so if it is a connection issue
>> then I can't understand how anything would be working. Or am I barking
>> up the wrong tree completely? There were some ethernet network
>> bridging changes on each of the hosts in early January, but this would
>> only affect the NFS mounted ISO domain, or could this be the cause of
>> the problems?
>>
>> Is this disconnection causing the huge log files that I sent previously?
>>
>> Thank you.
>>
>> Regards.
>>
>> Neil Wilson.
>>
>>
>>> On 01/29/2014

Re: [Users] Nodes lose storage at random

[Ronen Hod]

On 02/24/2014 11:48 AM, Nir Soffer wrote:

- Original Message -

From: "Johan Kooijman" 
To: "Nir Soffer" 
Cc: "users" 
Sent: Monday, February 24, 2014 2:45:59 AM
Subject: Re: [Users] Nodes lose storage at random

Interestingly enough - same thing happened today, around the same time.
Logs from this host are attached.

Around 1:10 AM stuff starts to go wrong again. Same pattern - we reboot the
node and the node is fine again.

So we made some progress, we know that it is not a problem with old kernel.

In messages we see the same picture:

1. sanlock fail to renew the lease
2. after 80 secodns, kill vdsm
3. sanlock and vdsm cannot access the storage
4. kernel complain about nfs server timeouts
(explains why sanlock failed to renew the lease)
5. after reboot, nfs is accessible again
6. after few days goto step 1

This looks like kernel nfs issue.

Could be also kvm issue (running bsd on the one of the vm?)

Could be also some incompatibility with the nfs server - maybe you are using
esoteric configuration options?

CCing Ronen, in case this is related to kvm.


Not seems to be related to KVM.
Adding Ric Wheeler.

Ronen.



thread: http://lists.ovirt.org/pipermail/users/2014-February/021507.html

Nir


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Re: [Users] Stack trace caused by FreeBSD client

[Ronen Hod]

On 02/23/2014 10:13 PM, Nir Soffer wrote:

- Original Message -

From: "Johan Kooijman" 
To: "users" 
Sent: Sunday, February 23, 2014 8:22:41 PM
Subject: [Users] Stack trace caused by FreeBSD client

Hi all,

Interesting thing I found out this afternoon. I have a FreeBSD 10 guest with
virtio drivers, both disk and net.

The VM works fine, but when I connect over SSH to the VM, I see this stack
trace in messages on the node:

This warning may be interesting to qemu/kvm/kernel developers, ccing Ronen.


Probably, nobody bothered to productize FreeBSD.
You can try to use E1000 instead of virtio.

Ronen.




Feb 23 19:19:42 hv3 kernel: [ cut here ]
Feb 23 19:19:42 hv3 kernel: WARNING: at net/core/dev.c:1907
skb_warn_bad_offload+0xc2/0xf0() (Tainted: G W --- )
Feb 23 19:19:42 hv3 kernel: Hardware name: X9DR3-F
Feb 23 19:19:42 hv3 kernel: igb: caps=(0x12114bb3, 0x0) len=5686
data_len=5620 ip_summed=0
Feb 23 19:19:42 hv3 kernel: Modules linked in: ebt_arp nfs lockd fscache
auth_rpcgss nfs_acl sunrpc bonding 8021q garp ebtable_nat ebtables bridge
stp llc xt_physdev ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 xt_multiport
iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6
xt_state nf_conntrack ip6table_filter ip6_tables ipv6 dm_round_robin
dm_multipath vhost_net macvtap macvlan tun kvm_intel kvm iTCO_wdt
iTCO_vendor_support sg ixgbe mdio sb_edac edac_core lpc_ich mfd_core
i2c_i801 ioatdma igb dca i2c_algo_bit i2c_core ptp pps_core ext4 jbd2
mbcache sd_mod crc_t10dif 3w_sas ahci isci libsas scsi_transport_sas
dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
Feb 23 19:19:42 hv3 kernel: Pid: 15280, comm: vhost-15276 Tainted: G W
--- 2.6.32-431.5.1.el6.x86_64 #1
Feb 23 19:19:42 hv3 kernel: Call Trace:
Feb 23 19:19:42 hv3 kernel:  [] ?
warn_slowpath_common+0x87/0xc0
Feb 23 19:19:42 hv3 kernel: [] ?
warn_slowpath_fmt+0x46/0x50
Feb 23 19:19:42 hv3 kernel: [] ? igb_get_drvinfo+0x82/0xe0
[igb]
Feb 23 19:19:42 hv3 kernel: [] ?
skb_warn_bad_offload+0xc2/0xf0
Feb 23 19:19:42 hv3 kernel: [] ?
__skb_gso_segment+0x71/0xc0
Feb 23 19:19:42 hv3 kernel: [] ? skb_gso_segment+0x13/0x20
Feb 23 19:19:42 hv3 kernel: [] ?
dev_hard_start_xmit+0x9b/0x480
Feb 23 19:19:42 hv3 kernel: [] ?
sch_direct_xmit+0x15a/0x1c0
Feb 23 19:19:42 hv3 kernel: [] ? dev_queue_xmit+0x228/0x320
Feb 23 19:19:42 hv3 kernel: [] ?
br_dev_queue_push_xmit+0x88/0xc0 [bridge]
Feb 23 19:19:42 hv3 kernel: [] ?
br_forward_finish+0x58/0x60 [bridge]
Feb 23 19:19:42 hv3 kernel: [] ? __br_forward+0xaa/0xd0
[bridge]
Feb 23 19:19:42 hv3 kernel: [] ? nf_hook_slow+0x76/0x120
Feb 23 19:19:42 hv3 kernel: [] ? br_forward+0x5d/0x70
[bridge]
Feb 23 19:19:42 hv3 kernel: [] ?
br_handle_frame_finish+0x17b/0x2a0 [bridge]
Feb 23 19:19:42 hv3 kernel: [] ?
br_handle_frame+0x1aa/0x250 [bridge]
Feb 23 19:19:42 hv3 kernel: [] ?
__netif_receive_skb+0x529/0x750
Feb 23 19:19:42 hv3 kernel: [] ? process_backlog+0x9a/0x100
Feb 23 19:19:42 hv3 kernel: [] ? net_rx_action+0x103/0x2f0
Feb 23 19:19:42 hv3 kernel: [] ? __do_softirq+0xc1/0x1e0
Feb 23 19:19:42 hv3 kernel: [] ? call_softirq+0x1c/0x30
Feb 23 19:19:42 hv3 kernel:  [] ? do_softirq+0x65/0xa0
Feb 23 19:19:42 hv3 kernel: [] ? netif_rx_ni+0x28/0x30
Feb 23 19:19:42 hv3 kernel: [] ? tun_sendmsg+0x229/0x4ec
[tun]
Feb 23 19:19:42 hv3 kernel: [] ? handle_tx+0x275/0x5e0
[vhost_net]
Feb 23 19:19:42 hv3 kernel: [] ? handle_tx_kick+0x15/0x20
[vhost_net]
Feb 23 19:19:42 hv3 kernel: [] ? vhost_worker+0xbc/0x140
[vhost_net]
Feb 23 19:19:42 hv3 kernel: [] ? vhost_worker+0x0/0x140
[vhost_net]
Feb 23 19:19:42 hv3 kernel: [] ? kthread+0x96/0xa0
Feb 23 19:19:42 hv3 kernel: [] ? child_rip+0xa/0x20
Feb 23 19:19:42 hv3 kernel: [] ? kthread+0x0/0xa0
Feb 23 19:19:42 hv3 kernel: [] ? child_rip+0x0/0x20
Feb 23 19:19:42 hv3 kernel: ---[ end trace e93142595d6ecfc7 ]---

This is 100% reproducable, every time. The login itself works just fine. Some
more info:

[root@hv3 ~]# uname -a
Linux hv3.ovirt.gs.cloud.lan 2.6.32-431.5.1.el6.x86_64 #1 SMP Wed Feb 12
00:41:43 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
[root@hv3 ~]# rpm -qa | grep vdsm
vdsm-4.13.3-3.el6.x86_64
vdsm-xmlrpc-4.13.3-3.el6.noarch
vdsm-python-4.13.3-3.el6.x86_64
vdsm-cli-4.13.3-3.el6.noarch

--
Met vriendelijke groeten / With kind regards,
Johan Kooijman

E m...@johankooijman.com

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Re: [Users] Vm's being paused

[Nir Soffer]

- Original Message -
> From: "Neil" 
> To: d...@redhat.com
> Cc: "users" 
> Sent: Monday, February 24, 2014 5:02:04 PM
> Subject: Re: [Users] Vm's being paused
> 
> Hi Dafna,
> 
> My sincere apologies for not coming back to you sooner on this. I've
> finally had a chance to start investigating, but in between my last
> discussion and now, updates have been done on both the hosts and the
> engine, so perhaps something there has fixed it, as I haven't had a
> pause happen in quite a long time.
> 
> When trying to gather the info you requested above I think I've found
> what is causing all the excessive logging...that I sent through
> previously...
> 
> I have a VM called Proxy, which a few years back ran out of disk
> space, and wouldn't boot, as it required an fsck, but we'd get an
> unknown storage error when doing an fsck on the image, so we had to
> attach a new LUN and dd out the entire image, then run an fsck, and
> then re-import the image, which got the VM operational again. A while
> back we tried to remove the old disk image, and received a storage
> error, and looking at this now I see that it appears the old image
> never successfully removed.  If I look at the VM under Disks I can see
> the old disk still attached in place, but there is an hourglass
> instead of a green arrow showing. Also right clicking on the Disk the
> only option you can choose is Add, so something seems to still have
> this locked.
> 
> In the logs I have the same error showing over and over...
> 
> AttributeError: 'Drive' object has no attribute 'format'
> Thread-313::DEBUG::2014-02-24
> 16:44:30,056::libvirtconnection::108::libvirtconnection::(wrapper)
> Unknown libvirterror: ecode: 8 edom: 10 level: 2 message: invalid
> argument: invalid path
> /rhev/data-center/mnt/blockSD/0e6991ae-6238-4c61-96d2-ca8fed35161e/images/6128b18f-eee9-422e-bc8a-f3b9fe331b09/38ac4afa-22e9-4359-ac16-3ff5d7b3b6db
> not assigned to domain
> Thread-313::ERROR::2014-02-24
> 16:44:30,057::sampling::355::vm.Vm::(collect)
> vmId=`23b9212c-1e25-4003-aa18-b1e819bf6bb1`::Stats function failed:
> 
> Traceback (most recent call last):
>   File "/usr/share/vdsm/sampling.py", line 351, in collect
> statsFunction()
>   File "/usr/share/vdsm/sampling.py", line 226, in __call__
> retValue = self._function(*args, **kwargs)
>   File "/usr/share/vdsm/vm.py", line 528, in _highWrite
> self._vm.extendDrivesIfNeeded()
>   File "/usr/share/vdsm/vm.py", line 2288, in extendDrivesIfNeeded
> capacity, alloc, physical = self._dom.blockInfo(drive.path, 0)
>   File "/usr/share/vdsm/vm.py", line 841, in f
> ret = attr(*args, **kwargs)
>   File "/usr/lib64/python2.6/site-packages/vdsm/libvirtconnection.py",
> line 76, in wrapper
> ret = f(*args, **kwargs)
>   File "/usr/lib64/python2.6/site-packages/libvirt.py", line 1814, in
>   blockInfo
> if ret is None: raise libvirtError ('virDomainGetBlockInfo()
> failed', dom=self)
> libvirtError: invalid argument: invalid path
> /rhev/data-center/mnt/blockSD/0e6991ae-6238-4c61-96d2-ca8fed35161e/images/6128b18f-eee9-422e-bc8a-f3b9fe331b09/38ac4afa-22e9-4359-ac16-3ff5d7b3b6db
> not assigned to domain
> 
> 
> Any ideas on how to get rid of the "corrupt" disk finally?

This may happen when you migrate a vm from machines running different versions 
of vdsm.
Vdsm changed the path to the disk lately, so when you migrate a vm, some disk 
are not
found where vdsm think they should be. This leads to missing format attribute 
and 
libvirt errors when trying to check the status of such disks.

This issue is fixed in upstream:
http://gerrit.ovirt.org/24202

And in ovirt-3.4:
http://gerrit.ovirt.org/24324

I think the best way to avoid this issue, is to have the same vdsm version on 
all
hosts in the same cluster.

Nir
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Re: [Users] Setting up a test enviroment

[Meital Bourvine]

Hi Andy, 

Take a look at this howto [1] 

Next time, please use the "reply to all" button, so other people will be able 
to help you as well. 

[1] http://www.ovirt.org/Hosted_Engine_Howto 

- Original Message -

> From: "Andy Michielsen" 
> To: "Meital Bourvine" 
> Sent: Monday, February 24, 2014 5:37:12 PM
> Subject: Re: [Users] Setting up a test enviroment

> Hello Meital,

> Thank you for this information.

> However now I 'm puzzeled what I should install on my node. A minimal
> installation with nfs support, a desktop for managing the
> ovirt-hosted-engine ?

> Kind regards.

> 2014-02-24 10:37 GMT+01:00 Meital Bourvine < mbour...@redhat.com > :

> > Hi Andy,
> 

> > I would suggest installing hosted engine on the node [1].
> 

> > [1] http://www.ovirt.org/Features/Self_Hosted_Engine
> 

> > > From: "Andy Michielsen" < andy.michiel...@gmail.com >
> > 
> 
> > > To: users@ovirt.org
> > 
> 
> > > Sent: Monday, February 24, 2014 11:32:28 AM
> > 
> 
> > > Subject: [Users] Setting up a test enviroment
> > 
> 

> > > Hello,
> > 
> 

> > > I 'm starting to set up an ovirt enviroment to provide our test users a
> > > free
> > > but decent setup.
> > 
> 

> > > I have two servers and I would like to use one for NFS storage because of
> > > the
> > > availability of 1 Tb and the the other server only as a node. I'm not
> > > sure
> > > where to install the ovirt-engine on.
> > 
> 

> > > The NFS server has two quadcores and 32 Gb of RAM and 6 NIC's
> > 
> 

> > > The Node has two sixcores and 64 Gb of RAM and only 2 NIC's
> > 
> 

> > > Kind regards.
> > 
> 

> > > ___
> > 
> 
> > > Users mailing list
> > 
> 
> > > Users@ovirt.org
> > 
> 
> > > http://lists.ovirt.org/mailman/listinfo/users
> > 
> 
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Re: [Users] Stack trace caused by FreeBSD client

[Nir Soffer]

- Original Message -
> From: "Ronen Hod" 
> To: "Nir Soffer" , "Johan Kooijman" 
> 
> Cc: "users" 
> Sent: Monday, February 24, 2014 5:27:06 PM
> Subject: Re: [Users] Stack trace caused by FreeBSD client
> 
> On 02/23/2014 10:13 PM, Nir Soffer wrote:
> > - Original Message -
> >> From: "Johan Kooijman" 
> >> To: "users" 
> >> Sent: Sunday, February 23, 2014 8:22:41 PM
> >> Subject: [Users] Stack trace caused by FreeBSD client
> >>
> >> Interesting thing I found out this afternoon. I have a FreeBSD 10 guest
> >> with
> >> virtio drivers, both disk and net.
> >>
> >> The VM works fine, but when I connect over SSH to the VM, I see this stack
> >> trace in messages on the node:
> > This warning may be interesting to qemu/kvm/kernel developers, ccing Ronen.
> 
> Probably, nobody bothered to productize FreeBSD.
> You can try to use E1000 instead of virtio.

You may find this useful:
http://www.linux-kvm.org/page/Guest_Support_Status#FreeBSD

Nir
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[Users] After upgrade of ovirt > 3.3 all Windows vms lost their activation against Microsoft

[R P Herrold]

On Mon, 24 Feb 2014, Ricky Schneberger wrote:

> > Why is the Windows VMs always lost their activation against Microsoft
> > after that I have upgrade ovirt?
 ...
> Yes I am sure its related to the upgrade.
> 
> In the application log of the VM we can see  "hardware has changed from
> previous boot" and also we have a licensing system on another host that
> got in a stucked state because of the same reason - "hardware has
> changed from previous boot".

I see the following discussions ... changes in bios, or 
hardware device numbers, seem to trigger this 

(Citrix instances)
http://support.citrix.com/article/CTX135542

http://support.citrix.com/article/CTX132220/

http://discussions.citrix.com/topic/313096-windows-activation-license-mak-used/#entry1674492

http://answers.microsoft.com/en-us/windows/forum/windows_7-windows_install/windows-7-activation-always-come-back-after/b26f8338-ae51-44d1-a0d9-b3a71643548a

So the issue may in some cases be avoided, but in others, will 
need oVirt attention to not changing values refered to by the 
licensing validation code.  Identifying all those test point 
valuess so they may be preserved, looks like something the 
upstream (commercial) vendor would not be very interesting in 
revealing as it would impact their revenue model, so it 
probably needs a set of 'reproducers' identified, and test 
cases written ...

-- Russ herrold
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Re: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their activation against Microsoft

[Nir Soffer]

- Original Message -
> From: "R P Herrold" 
> To: "Ricky Schneberger" 
> Cc: users@ovirt.org
> Sent: Monday, February 24, 2014 6:42:54 PM
> Subject: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their 
> activation against Microsoft
> 
> On Mon, 24 Feb 2014, Ricky Schneberger wrote:
> 
> > > Why is the Windows VMs always lost their activation against Microsoft
> > > after that I have upgrade ovirt?
>  ...
> > Yes I am sure its related to the upgrade.
> > 
> > In the application log of the VM we can see  "hardware has changed from
> > previous boot" and also we have a licensing system on another host that
> > got in a stucked state because of the same reason - "hardware has
> > changed from previous boot".
> 
> I see the following discussions ... changes in bios, or
> hardware device numbers, seem to trigger this
> 
> (Citrix instances)
> http://support.citrix.com/article/CTX135542
> 
> http://support.citrix.com/article/CTX132220/
> 
> http://discussions.citrix.com/topic/313096-windows-activation-license-mak-used/#entry1674492
> 
> http://answers.microsoft.com/en-us/windows/forum/windows_7-windows_install/windows-7-activation-always-come-back-after/b26f8338-ae51-44d1-a0d9-b3a71643548a
> 
> So the issue may in some cases be avoided, but in others, will
> need oVirt attention to not changing values refered to by the
> licensing validation code.  Identifying all those test point
> valuess so they may be preserved, looks like something the
> upstream (commercial) vendor would not be very interesting in
> revealing as it would impact their revenue model, so it
> probably needs a set of 'reproducers' identified, and test
> cases written ...

I think the best solution would be if Microsoft would send some patches :-)

Ricky, would you open a bug so we can track this issue?

Nir
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[Users] oVirt 3.5 planning

[Itamar Heim]

with oVirt 3.4 getting close to GA with many many great features, time 
to collect requests for 3.5...

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Re: [Users] Opinions needed: 3 node gluster replica 3 | NFS async | snapshots for consistency

[Ted Miller]

On 2/23/2014 3:20 PM, Ayal Baron wrote:

- Original Message -

On Sun, Feb 23, 2014 at 4:27 AM, Ayal Baron  wrote:

- Original Message -

I'm looking for some opinions on this configuration in an effort to increase
write performance:

3 storage nodes using glusterfs in replica 3, quorum.

gluster doesn't support replica 3 yet, so I'm not sure how heavily I'd
rely on this.


Glusterfs or RHSS doesn't support rep 3? How could I create a quorum
without 3+ hosts?

glusterfs has the capability but it hasn't been widely tested with oVirt yet 
and we've already found a couple of issues there.
afaiu gluster has the ability to define a tie breaker (a third node which is 
part of the quorum but does not provide a third replica of the data).


I've been researching glusterfs for quite a while, and have had a 3 node 
replica up and running, but never heard of a "tie breaker" node.  Anywhere 
this is documented?  I could use something like that.


I will be testing a 3-node ovirt + gluster setup, hopefully yet this week.



Ovirt storage domain via NFS

why NFS and not gluster?


Gluster via posix SD doesn't have any performance gains over NFS, maybe the
opposite.

gluster via posix is mounting it using the gluster fuse client which should 
provide better performance + availability than NFS.


Gluster 'native' SD's are broken on EL6.5 so I have been unable to test
performance. I have heard performance can be upwards of 3x NFS for raw
write.

Broken how?


Gluster doesn't have an async write option, so its doubtful it will ever be
close to NFS async speeds.



Volume set nfs.trusted-sync on
On Ovirt, taking snapshots often enough to recover from a storage crash

Note that this would have negative write performance impact


The difference between NFS sync (<50MB/s) and async (>300MB/s on 10g) write
speeds should more than compensate for the performance hit of taking
snapshots more often. And that's just raw speed. If we take into
consideration IOPS (guest small writes) async is leaps and bounds ahead.

I would test this, since qemu is already doing async I/O (using threads when 
native AIO is not supported) and oVirt runs it with cache=none (direct I/O) so 
sync ops should not happen that often (depends on guest).  You may be still 
enjoying performance boost, but I've seen UPS systems fail before bringing down 
multiple nodes at once.
In addition, if you do not guarantee your data is safe when you create a 
snapshot (and it doesn't seem like you are) then I see no reason to think your 
snapshots are any better off than latest state on disk.



If we assume the site has backup UPS and generator power and we can build a
highly available storage system with 3 nodes in quorum, are there any
potential issues other than a write performance hit?

The issue I thought might be most prevalent is if an ovirt host goes down
and the VM's are automatically brought back up on another host, they could
incur disk corruption and need to be brought back down and restored to the
last snapshot state. This basically means the HA feature should be disabled.

I'm not sure I understand what your concern is here, what would cause the data 
corruption? if your node crashed then there is no I/O in flight.  So starting 
up the VM should be perfectly safe.
It seems to me that either the VM can start and clean up it's own disk, or it 
can't, same as a bare-metal computer after a crash.  I have not experienced 
any "additional" corruption opportunities.  I see no reason to not use the 
HA.  The worst that happens is that the boot hangs, you have to revert to a 
snapshot.  My experience (in bare metal and other virtualization 
environments) is that about 98% of the time the computer will reboot after an 
unclean shutdown (power failure or virtual equivalent).  I have done this to 
virtual machines more times than I want to admit.


Maybe you need to tell us more about what you have in mind as far as 
corruption, so that we can either confirm or debunk your concerns.



Even worse, if the gluster node with CTDB NFS IP goes down, it may not have
written out and replicated to its peers.  <-- I think I may have just
answered my own question.

If 'trusted-sync' means that the CTDB NFS node acks the I/O before it reached 
quorum then I'd say that's a gluster bug.  It should ack the I/O before data 
hits the disc, but it should not ack it before it has quorum.
However, the configuration we feel comfortable using gluster is with both 
server and client quorum (gluster has 2 different configs and you need to 
configure both to work safely).
Gluster does not "replicate to its peers".  Gluster writes to all peers at 
the same time, as part of the original write process.  If quorum is on, the 
process either works or it doesn't.


I assume you are keeping in mind that the kernel NFS server does not get 
along with gluster.  You need to run gluster's own NFS server, and turn off 
the kernel NFS server.  Gluster's own NFS server is gluster-aware, so

Re: [Users] Problems with Scientific Linux and ovirt-release-11.0.0

[Doron Fediuck]

- Original Message -
> From: "Sandro Bonazzola" 
> To: "Jimmy Dorff" , "Meital Bourvine" 
> 
> Cc: "users" 
> Sent: Monday, February 24, 2014 9:43:13 AM
> Subject: Re: [Users] Problems with Scientific Linux and ovirt-release-11.0.0
> 
> Il 21/02/2014 19:10, Jimmy Dorff ha scritto:
> > Hi Sandro,
> > 
> > Dave Neary's comment is good. Here is a new patch:
> > 
> > *** a/ovirt-release.spec2014-02-21 10:10:00.0 -0500
> > --- b/ovirt-release.spec2014-02-21 13:01:35.856636466 -0500
> > ***
> > *** 69,75 
> >   #Fedora is good for both Fedora and Generic (and probably other based on
> >   Fedora)
> >   #Handling EL exception only (for now)
> > ! if grep -qFi 'CentOS' /etc/system-release; then
> > ! DIST=EL
> > ! elif grep -qFi 'Red Hat' /etc/system-release; then
> >   DIST=EL
> >   fi
> > --- 69,73 
> >   #Fedora is good for both Fedora and Generic (and probably other based on
> >   Fedora)
> >   #Handling EL exception only (for now)
> > ! if rpm --eval "%dist" | grep -qFi 'el'; then
> 
> Missing escape: %%dist
> pushed a new patchset, please review it on
> gerrit:http://gerrit.ovirt.org/24869
> and verify it on Scientific Linux :
>  
> http://jenkins.ovirt.org/job/ovirt-release_gerrit/30/artifact/exported-artifacts/ovirt-release-11.0.1-1.noarch.rpm
> 
> >   DIST=EL
> >   fi
> > 
> > Might be faster for you to submit cause I'm not familiar with gerrit, but I
> > can login with my Fedora FAS account.
> > 
> > Cheers,
> > Jimmy
> > 
> > 
> > 
> > On 2/21/14, 8:17 AM, Sandro Bonazzola wrote:
> >> Il 21/02/2014 16:25, Jimmy Dorff ha scritto:
> >>> On 2/21/14, 2:31 AM, Sandro Bonazzola wrote:
>  Il 21/02/2014 07:34, Meital Bourvine ha scritto:
> > Hi Jimmy,
> >
> > As far as I know, scientific linux isn't supported by ovirt.
> 
>  IIUC it's based on CentOS / RHEL so it may work.
>  Let us know if you've issues :-)
> 
> 
> >
> > But you can always try submitting a patch ;)
> >
> >>>
> >>> SL works fine with ovirt. If you want to "support it", here is a patch.
> >>
> >> http://gerrit.ovirt.org/24869
> >> If you've an account on gerrit you can review / verify it.
> >>
> >>>
> >>> *** a/ovirt-release.spec2014-02-21 10:10:00.0 -0500
> >>> --- b/ovirt-release.spec2014-02-21 10:10:55.0 -0500
> >>> ***
> >>> *** 73,76 
> >>> --- 73,78 
> >>>elif grep -qFi 'Red Hat' /etc/system-release; then
> >>>DIST=EL
> >>> + elif grep -qFi 'Scientific Linux' /etc/system-release; then
> >>> + DIST=EL
> >>>fi
> >>>
> >>>
> >>> If you don't support Scientific Linux, then I would recommend not
> >>> defaulting the DIST to Fedora and instead searching for the specific
> >>> supported
> >>> releases and error out otherwise.
> >>>
> >>> Future-wise, Scientific Linux *may* become a "CentOS variant" in Red
> >>> Hat's CentOS.
> >>>
> >>> Cheers,
> >>> Jimmy
> >>>
> >>
> >>
> > 
> 
> 
> --
> Sandro Bonazzola
> Better technology. Faster innovation. Powered by community collaboration.
> See how it works at redhat.com

Jimmy,
once successful with Scientific Linux, please let us know.

Thanks,
Doron
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Re: [Users] oVirt 3.5 planning

[Federico Alberto Sayd]

On 24/02/14 13:59, Itamar Heim wrote:
with oVirt 3.4 getting close to GA with many many great features, time 
to collect requests for 3.5...

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iso-upload through web gui
vm view and acl's by folder

...


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Re: [Users] Setting up a test enviroment

[Andy Michielsen]

Dear sirs,

I will do so next time.

Thanks for the info. But the document isn't that clear to me. I will do
some more research.

Kind regards
On 24 Feb 2014 16:40, "Meital Bourvine"  wrote:

> Hi Andy,
>
> Take a look at this howto [1]
>
> Next time, please use the "reply to all" button, so other people will be
> able to help you as well.
>
> [1] http://www.ovirt.org/Hosted_Engine_Howto
>
>
> --
>
> *From: *"Andy Michielsen" 
> *To: *"Meital Bourvine" 
> *Sent: *Monday, February 24, 2014 5:37:12 PM
> *Subject: *Re: [Users] Setting up a test enviroment
>
> Hello Meital,
>
> Thank you for this information.
>
> However now I 'm puzzeled what I should install on my node. A minimal
> installation with nfs support, a desktop for managing the
> ovirt-hosted-engine ?
>
> Kind regards.
>
>
> 2014-02-24 10:37 GMT+01:00 Meital Bourvine :
>
>> Hi Andy,
>>
>> I would suggest installing hosted engine on the node [1].
>>
>> [1] http://www.ovirt.org/Features/Self_Hosted_Engine
>>
>>
>> --
>>
>> *From: *"Andy Michielsen" 
>> *To: *users@ovirt.org
>> *Sent: *Monday, February 24, 2014 11:32:28 AM
>> *Subject: *[Users] Setting up a test enviroment
>>
>>
>> Hello,
>>
>> I 'm starting to set up an ovirt enviroment to provide our test users a
>> free but decent setup.
>>
>> I have two servers and I would like to use one for NFS storage because of
>> the availability of 1 Tb and the the other server only as a node. I'm not
>> sure where to install the ovirt-engine on.
>>
>> The NFS server has two quadcores and 32 Gb of RAM and 6 NIC's
>>
>> The Node has two sixcores and 64 Gb of RAM and only 2 NIC's
>>
>> Kind regards.
>>
>>
>>
>> ___
>> Users mailing list
>> Users@ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>
>>
>>
>
>
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[Users] oVirt is in the Summer of Code!

[Brian Proffitt]

oVirt's Organization Application for the Google Summer of Code 2014 has been 
accepted. oVirt's information can be found at:

http://www.google-melange.com/gsoc/org/profile/edit/google/gsoc2014/ovirt

oVirt's organization's information is now available to students. Student 
applications will formally open on 10 March at 19:00 UTC.

Check out our Summer of Code page to see our ideas for students to participate!

http://www.ovirt.org/Summer_of_Code

And thanks to Maor Lipchuk, Federico Simoncelli, and Nir Soffer for being 
mentors for this year's participation in the Summer of Code!

Peace,
Brian

-- 
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
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Re: [Users] Setting up a test enviroment

[Meital Bourvine]

Next time I would prefer something like "Dear madams" ;) 

Anyway, I'm adding Leonid since he might have some additional info about it. 

- Original Message -

> From: "Andy Michielsen" 
> To: "Meital Bourvine" 
> Cc: "users" 
> Sent: Monday, February 24, 2014 8:20:09 PM
> Subject: Re: [Users] Setting up a test enviroment

> Dear sirs,

> I will do so next time.

> Thanks for the info. But the document isn't that clear to me. I will do some
> more research.

> Kind regards
> On 24 Feb 2014 16:40, "Meital Bourvine" < mbour...@redhat.com > wrote:

> > Hi Andy,
> 

> > Take a look at this howto [1]
> 

> > Next time, please use the "reply to all" button, so other people will be
> > able
> > to help you as well.
> 

> > [1] http://www.ovirt.org/Hosted_Engine_Howto
> 

> > > From: "Andy Michielsen" < andy.michiel...@gmail.com >
> > 
> 
> > > To: "Meital Bourvine" < mbour...@redhat.com >
> > 
> 
> > > Sent: Monday, February 24, 2014 5:37:12 PM
> > 
> 
> > > Subject: Re: [Users] Setting up a test enviroment
> > 
> 

> > > Hello Meital,
> > 
> 

> > > Thank you for this information.
> > 
> 

> > > However now I 'm puzzeled what I should install on my node. A minimal
> > > installation with nfs support, a desktop for managing the
> > > ovirt-hosted-engine ?
> > 
> 

> > > Kind regards.
> > 
> 

> > > 2014-02-24 10:37 GMT+01:00 Meital Bourvine < mbour...@redhat.com > :
> > 
> 

> > > > Hi Andy,
> > > 
> > 
> 

> > > > I would suggest installing hosted engine on the node [1].
> > > 
> > 
> 

> > > > [1] http://www.ovirt.org/Features/Self_Hosted_Engine
> > > 
> > 
> 

> > > > > From: "Andy Michielsen" < andy.michiel...@gmail.com >
> > > > 
> > > 
> > 
> 
> > > > > To: users@ovirt.org
> > > > 
> > > 
> > 
> 
> > > > > Sent: Monday, February 24, 2014 11:32:28 AM
> > > > 
> > > 
> > 
> 
> > > > > Subject: [Users] Setting up a test enviroment
> > > > 
> > > 
> > 
> 

> > > > > Hello,
> > > > 
> > > 
> > 
> 

> > > > > I 'm starting to set up an ovirt enviroment to provide our test users
> > > > > a
> > > > > free
> > > > > but decent setup.
> > > > 
> > > 
> > 
> 

> > > > > I have two servers and I would like to use one for NFS storage
> > > > > because
> > > > > of
> > > > > the
> > > > > availability of 1 Tb and the the other server only as a node. I'm not
> > > > > sure
> > > > > where to install the ovirt-engine on.
> > > > 
> > > 
> > 
> 

> > > > > The NFS server has two quadcores and 32 Gb of RAM and 6 NIC's
> > > > 
> > > 
> > 
> 

> > > > > The Node has two sixcores and 64 Gb of RAM and only 2 NIC's
> > > > 
> > > 
> > 
> 

> > > > > Kind regards.
> > > > 
> > > 
> > 
> 

> > > > > ___
> > > > 
> > > 
> > 
> 
> > > > > Users mailing list
> > > > 
> > > 
> > 
> 
> > > > > Users@ovirt.org
> > > > 
> > > 
> > 
> 
> > > > > http://lists.ovirt.org/mailman/listinfo/users
> > > > 
> > > 
> > 
> 
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[Users] Creating oVirt users

[Drew Showers]

Hello,

How do I create users? I see where to add users and create roles, but can't
figure out how to get users on the add user list.

Thanks in advance!
Drew
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Re: [Users] Creating oVirt users

[Yair Zaslavsky]

Hi Drew,
In order to be able to add users, you will have to use the 
engine-manage-domains tool and setup a domain.
a domain uses kerberos authentication and LDAP for authorization.
engine-manage-domains supports several ldap vendors , among are - active 
directory, IPA, RHDS, openLdap.
once will add a user at a given domain that will be used to authenticate during 
searching for users and groups.
For example, if you have a domain named example.com, which is which has a 
machine a.example.com which co-hosts ldap server (IPA) + KDC, and the dns 
records for kerberos and ldap are properly set, and you will like to add user 
named "myuser" then you can use :
engine-manage-domains add --user=myuser --domain=example.com --provider=IPA.
if you want to be able to login with this user, and not just with the admin of 
of "internal", please also specify --add-permissions

Hope this helps,
Yair


- Original Message -
> From: "Drew Showers" 
> To: users@ovirt.org
> Sent: Tuesday, February 25, 2014 1:49:45 AM
> Subject: [Users] Creating oVirt users
> 
> Hello,
> 
> How do I create users? I see where to add users and create roles, but can't
> figure out how to get users on the add user list.
> 
> Thanks in advance!
> Drew
> 
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> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
> 
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Re: [Users] Permissions

[Maurice James]

I will have to get the logs to you tomorrow when I go to the office. Until then,
 I have a user group from AD with the "Power User" and "Super User" permissions 
over the Data Center. They do not have permission to move disks between storage 
domains. Is this by design?


-Original Message-
From: Eli Mesika [mailto:emes...@redhat.com] 
Sent: Sunday, February 23, 2014 3:34 PM
To: Maurice James
Cc: users@ovirt.org
Subject: Re: [Users] Permissions



- Original Message -
> From: "Maurice James" 
> To: users@ovirt.org
> Sent: Friday, February 21, 2014 9:25:12 PM
> Subject: [Users] Permissions
> 
> I have an LDAP user with Power User and Super User permissions at the 
> Data Center level. Why dont I have permission to migrate disks between 
> storage domains?

Hi Maurice 

Can you elaborate please and attach a screen-shot of the error you got and the 
relevant engine.log 

> 
> oVirt Engine Version: 3.3.3-2.el6
> 
> ___
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> http://lists.ovirt.org/mailman/listinfo/users
> 
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[Users] smbios hook

[Liviu Elama]

Hi

I have a 2 node hosted engine cluster using 3.4 beta3 on centos 6.5 and I'm
trying to use smbios hook(first try to use a hook) and I can't see the
smbios key in custom properties when I edit a VM.

I have installed the vdsm-hook-smbios on both hosts and restarted vdsm and
restarted the engine as well.
I can see the hooks available on each hosts from the engine GUI but I can't
see the custom property to modify at VM level.

Can anyone advise if I'm doing the right thing here or what logs should I
provide for debugging ?

Regards
Liviu
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Re: [Users] Permissions

[Yair Zaslavsky]

- Original Message -
> From: "Maurice James" 
> To: "Eli Mesika" 
> Cc: users@ovirt.org
> Sent: Tuesday, February 25, 2014 3:33:52 AM
> Subject: Re: [Users] Permissions
> 
> I will have to get the logs to you tomorrow when I go to the office. Until
> then,
>  I have a user group from AD with the "Power User" and "Super User"
>  permissions over the Data Center. They do not have permission to move disks
>  between storage domains. Is this by design?

Maurice, quick question here - when you write "they don't have permissions" do 
you mean to users of the group? 
if so, are you using ovirt engine 3.4 beta2 or a development environment?

Perhaps the following bug has to do with what you're experiencing?

https://bugzilla.redhat.com/1065615


Yair

> 
> 
> -Original Message-
> From: Eli Mesika [mailto:emes...@redhat.com]
> Sent: Sunday, February 23, 2014 3:34 PM
> To: Maurice James
> Cc: users@ovirt.org
> Subject: Re: [Users] Permissions
> 
> 
> 
> - Original Message -
> > From: "Maurice James" 
> > To: users@ovirt.org
> > Sent: Friday, February 21, 2014 9:25:12 PM
> > Subject: [Users] Permissions
> > 
> > I have an LDAP user with Power User and Super User permissions at the
> > Data Center level. Why dont I have permission to migrate disks between
> > storage domains?
> 
> Hi Maurice
> 
> Can you elaborate please and attach a screen-shot of the error you got and
> the relevant engine.log
> 
> > 
> > oVirt Engine Version: 3.3.3-2.el6
> > 
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> > 
> ___
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> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
> 
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Re: [Users] oVirt 3.5 planning

[Maurice James]

External authentication that does not require the use of Kerberos in the
environment :)

-Original Message-
From: users-boun...@ovirt.org [mailto:users-boun...@ovirt.org] On Behalf Of
Itamar Heim
Sent: Monday, February 24, 2014 11:59 AM
To: users@ovirt.org
Subject: [Users] oVirt 3.5 planning

with oVirt 3.4 getting close to GA with many many great features, time to
collect requests for 3.5...
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Re: [Users] Permissions

[Maurice James]

I will give that a try. I will add the user directly instead of the group to 
see if that makes a difference. To answer your question, yes I added the group 
that the users belong to. They can do other things like, create VMs and 
storage. The only thing that Ive found that they couldn’t do so far is migrate 
disks. For this set up im using oVirt Engine Version: 3.3.3-2.el6

-Original Message-
From: Yair Zaslavsky [mailto:yzasl...@redhat.com] 
Sent: Monday, February 24, 2014 8:56 PM
To: Maurice James
Cc: Eli Mesika; users@ovirt.org
Subject: Re: [Users] Permissions



- Original Message -
> From: "Maurice James" 
> To: "Eli Mesika" 
> Cc: users@ovirt.org
> Sent: Tuesday, February 25, 2014 3:33:52 AM
> Subject: Re: [Users] Permissions
> 
> I will have to get the logs to you tomorrow when I go to the office. 
> Until then,  I have a user group from AD with the "Power User" and 
> "Super User"
>  permissions over the Data Center. They do not have permission to move 
> disks  between storage domains. Is this by design?

Maurice, quick question here - when you write "they don't have permissions" do 
you mean to users of the group? 
if so, are you using ovirt engine 3.4 beta2 or a development environment?

Perhaps the following bug has to do with what you're experiencing?

https://bugzilla.redhat.com/1065615


Yair

> 
> 
> -Original Message-
> From: Eli Mesika [mailto:emes...@redhat.com]
> Sent: Sunday, February 23, 2014 3:34 PM
> To: Maurice James
> Cc: users@ovirt.org
> Subject: Re: [Users] Permissions
> 
> 
> 
> - Original Message -
> > From: "Maurice James" 
> > To: users@ovirt.org
> > Sent: Friday, February 21, 2014 9:25:12 PM
> > Subject: [Users] Permissions
> > 
> > I have an LDAP user with Power User and Super User permissions at 
> > the Data Center level. Why dont I have permission to migrate disks 
> > between storage domains?
> 
> Hi Maurice
> 
> Can you elaborate please and attach a screen-shot of the error you got 
> and the relevant engine.log
> 
> > 
> > oVirt Engine Version: 3.3.3-2.el6
> > 
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> > 
> ___
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> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
> 
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Re: [Users] Creating oVirt users

[Drew Showers]

Great, thanks! This gives me a direction. I knew I was missing something
that I couldn't create an internal user.
Drew


On Mon, Feb 24, 2014 at 7:00 PM, Yair Zaslavsky  wrote:

> Hi Drew,
> In order to be able to add users, you will have to use the
> engine-manage-domains tool and setup a domain.
> a domain uses kerberos authentication and LDAP for authorization.
> engine-manage-domains supports several ldap vendors , among are - active
> directory, IPA, RHDS, openLdap.
> once will add a user at a given domain that will be used to authenticate
> during searching for users and groups.
> For example, if you have a domain named example.com, which is which has a
> machine a.example.com which co-hosts ldap server (IPA) + KDC, and the dns
> records for kerberos and ldap are properly set, and you will like to add
> user named "myuser" then you can use :
> engine-manage-domains add --user=myuser --domain=example.com--provider=IPA.
> if you want to be able to login with this user, and not just with the
> admin of of "internal", please also specify --add-permissions
>
> Hope this helps,
> Yair
>
>
> - Original Message -
> > From: "Drew Showers" 
> > To: users@ovirt.org
> > Sent: Tuesday, February 25, 2014 1:49:45 AM
> > Subject: [Users] Creating oVirt users
> >
> > Hello,
> >
> > How do I create users? I see where to add users and create roles, but
> can't
> > figure out how to get users on the add user list.
> >
> > Thanks in advance!
> > Drew
> >
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
>
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Re: [Users] oVirt 3.5 planning

[Liviu Elama]

ovirt-guest-tools-iso similar to rhev-guest-tools-iso and uploaded to ISO
domain by default



On Tue, Feb 25, 2014 at 2:55 PM, Maurice James wrote:

> External authentication that does not require the use of Kerberos in the
> environment :)
>
> -Original Message-
> From: users-boun...@ovirt.org [mailto:users-boun...@ovirt.org] On Behalf
> Of
> Itamar Heim
> Sent: Monday, February 24, 2014 11:59 AM
> To: users@ovirt.org
> Subject: [Users] oVirt 3.5 planning
>
> with oVirt 3.4 getting close to GA with many many great features, time to
> collect requests for 3.5...
> ___
> Users mailing list
> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
> ___
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> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
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Re: [Users] How to See Ovirt Console From a Remote Windows Host

[Doron Fediuck]

- Original Message -
> From: "Jon Forrest" 
> To: users@ovirt.org
> Sent: Thursday, February 20, 2014 5:06:56 PM
> Subject: [Users] How to See Ovirt Console From a Remote Windows Host
> 
> I know that this is simple for some of you, but I also
> know from Googling around that lots of people have had
> trouble seeing their ovirt console from a remote Windows
> host. Below I describe what finally worked for me. I hope
> this helps somebody avoid wasting as much time as I did
> today.
> 
> I'm a fairly experienced VMWare user who's learning ovirt.
> I just installed an all-in-one ovirt server and copied a
> CentOS 6.5 iso into it. I then tried to boot a new VM
> but soon learned that console access is different in ovirt
> than on VMWare.
> 
> I then spent over an hour trying the various documented
> ways to view a remote console using Spice on my Windows 7
> desktop. I even tried using a Linux VM to see if the Firefox
> plugin for Spice would work. Nothing.
> 
> What finally worked was installing the virt-viewer Windows
> client (http://virt-manager.org/download/). Then, I opened
> the ovirt Administration Portal in Firefox running on my
> Windows 7 desktop. I created a new VM and configured it
> the way I wanted. Then, from the "Virtual Machines" tab, I started
> the new VM. Pretty soon the little console icon turned green so
> I clicked on it. I got the prompt from Firefox asking me what
> app I wanted to associate with the ".vv" URL that opened when
> I clicked on the console icon. I browsed around and selected
> 
> \Program Files\VirtViewer\bin\remote-viewer.exe
> 
> which is from the virt-viewer client package I installed above.
> I told Firefox to always use this app for this kind of file.
> 
> This works great! I was able to boot the CentOS system and
> install it with no problems.
> 
> Good luck!
> Jon Forrest

Thanks Jon for writing this.
It's always useful for folks seeking help.
Generally speaking, starting version 3.3 you should have HTML 5 support,
which means a new tab will open with the VM's console.
http://www.ovirt.org/Features/SpiceHTML5
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Re: [Users] oVirt 3.5 planning

[Ernest Beinrohr]

Dn(a 25.02.2014 02:55, Maurice James wrote / napísal(a):

External authentication that does not require the use of Kerberos in the
environment :)


This has my vote too. And my axe.

--
Ernest Beinrohr, AXON PRO
Ing , RHCE 
, RHCVA 
, LPIC 
, VCA , 
+421-2--6241-0360 , +421-903--482-603 


icq:28153343, gtalk: oer...@axonpro.sk, jabber:oer...@jabber.org

"For a successful technology, reality must take precedence over public 
relations, for Nature cannot be fooled." Richard Feynman
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Re: [Users] smbios hook

[Dan Kenigsberg]

On Tue, Feb 25, 2014 at 02:53:54PM +1300, Liviu Elama wrote:
> Hi
> 
> I have a 2 node hosted engine cluster using 3.4 beta3 on centos 6.5 and I'm
> trying to use smbios hook(first try to use a hook) and I can't see the
> smbios key in custom properties when I edit a VM.
> 
> I have installed the vdsm-hook-smbios on both hosts and restarted vdsm and
> restarted the engine as well.
> I can see the hooks available on each hosts from the engine GUI but I can't
> see the custom property to modify at VM level.
> 
> Can anyone advise if I'm doing the right thing here or what logs should I
> provide for debugging ?

You have to explicitly enabled your custom property in Engine's
database.

See http://www.ovirt.org/Vdsm_Hooks#VM-level_hooks for an example how
this can be done with the engine-config utility. You could make your
users cozy by limiting their input to the likes of

{'serial': '1234'}^{'vendor': 'oVirt'}

or be lazy and allow everything

engine-config -s "UserDefinedVMProperties=smbios=.*

Dan.
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Re: [Users] oVirt 3.5 planning

[Latchezar Filtchev]

I am also voting in favor of ovirt-guest-tools-iso.

Best,
Latcho

--
Latchezar FiltchevAmerican University 
in Bulgaria
Director Office of Communications   1 G.Izmirliev - Makednocheto sq.
and Computing  2700 Blagoevgrad
e-mail: lat...@aubg.bg Bulgaria
Direct: +359 (73) 888346
Assistant: +359 (73) 888333
Fax: +359 (73) 888188



From: users-boun...@ovirt.org [mailto:users-boun...@ovirt.org] On Behalf Of 
Liviu Elama
Sent: Tuesday, February 25, 2014 4:34 AM
To: users@ovirt.org
Subject: Re: [Users] oVirt 3.5 planning

ovirt-guest-tools-iso similar to rhev-guest-tools-iso and uploaded to ISO 
domain by default

On Tue, Feb 25, 2014 at 2:55 PM, Maurice James 
mailto:midnightst...@msn.com>> wrote:
External authentication that does not require the use of Kerberos in the
environment :)

-Original Message-
From: users-boun...@ovirt.org 
[mailto:users-boun...@ovirt.org] On Behalf Of
Itamar Heim
Sent: Monday, February 24, 2014 11:59 AM
To: users@ovirt.org
Subject: [Users] oVirt 3.5 planning

with oVirt 3.4 getting close to GA with many many great features, time to
collect requests for 3.5...
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Re: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their activation against Microsoft

[Ayal Baron]

Michal, please see inline

- Original Message -
> - Original Message -
> > From: "R P Herrold" 
> > To: "Ricky Schneberger" 
> > Cc: users@ovirt.org
> > Sent: Monday, February 24, 2014 6:42:54 PM
> > Subject: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their
> > activation against Microsoft
> > 
> > On Mon, 24 Feb 2014, Ricky Schneberger wrote:
> > 
> > > > Why is the Windows VMs always lost their activation against Microsoft
> > > > after that I have upgrade ovirt?
> >  ...
> > > Yes I am sure its related to the upgrade.
> > > 
> > > In the application log of the VM we can see  "hardware has changed from
> > > previous boot" and also we have a licensing system on another host that
> > > got in a stucked state because of the same reason - "hardware has
> > > changed from previous boot".
> > 
> > I see the following discussions ... changes in bios, or
> > hardware device numbers, seem to trigger this
> > 
> > (Citrix instances)
> > http://support.citrix.com/article/CTX135542
> > 
> > http://support.citrix.com/article/CTX132220/
> > 
> > http://discussions.citrix.com/topic/313096-windows-activation-license-mak-used/#entry1674492
> > 
> > http://answers.microsoft.com/en-us/windows/forum/windows_7-windows_install/windows-7-activation-always-come-back-after/b26f8338-ae51-44d1-a0d9-b3a71643548a
> > 
> > So the issue may in some cases be avoided, but in others, will
> > need oVirt attention to not changing values refered to by the
> > licensing validation code.  Identifying all those test point
> > valuess so they may be preserved, looks like something the
> > upstream (commercial) vendor would not be very interesting in
> > revealing as it would impact their revenue model, so it
> > probably needs a set of 'reproducers' identified, and test
> > cases written ...
> 
> I think the best solution would be if Microsoft would send some patches :-)
> 
> Ricky, would you open a bug so we can track this issue?

oVirt tries to keep stable device addresses (e.g. pci slot) specifically to 
prevent this issue.
The way it is done is that after running the VM we query libvirt for all the 
device addresses and on next run we provide libvirt with the same addresses to 
keep the devices from changing.
This feature was not available in 3.0 so I see 2 options here:
1. this VM was not started (or was running) since 3.0
2. introduction of new virtual hardware caused a change in the device addresses 
for some reason (bug).

Anyway, adding Michal who is more familiar with this part than I.


> 
> Nir
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Re: [Users] Opinions needed: 3 node gluster replica 3 | NFS async | snapshots for consistency

[Ayal Baron]

- Original Message -
> On 2/23/2014 3:20 PM, Ayal Baron wrote:
> > - Original Message -
> >> On Sun, Feb 23, 2014 at 4:27 AM, Ayal Baron  wrote:
> >>> - Original Message -
>  I'm looking for some opinions on this configuration in an effort to
>  increase
>  write performance:
> 
>  3 storage nodes using glusterfs in replica 3, quorum.
> >>> gluster doesn't support replica 3 yet, so I'm not sure how heavily I'd
> >>> rely on this.
> >>>
> >> Glusterfs or RHSS doesn't support rep 3? How could I create a quorum
> >> without 3+ hosts?
> > glusterfs has the capability but it hasn't been widely tested with oVirt
> > yet and we've already found a couple of issues there.
> > afaiu gluster has the ability to define a tie breaker (a third node which
> > is part of the quorum but does not provide a third replica of the data).
> 
> I've been researching glusterfs for quite a while, and have had a 3 node
> replica up and running, but never heard of a "tie breaker" node.  Anywhere
> this is documented?  I could use something like that.

Deferring to Vijay who can give much more qualified answers on these matters.

> 
> I will be testing a 3-node ovirt + gluster setup, hopefully yet this week.
> >>
>  Ovirt storage domain via NFS
> >>> why NFS and not gluster?
> >>>
> >> Gluster via posix SD doesn't have any performance gains over NFS, maybe
> >> the
> >> opposite.
> > gluster via posix is mounting it using the gluster fuse client which should
> > provide better performance + availability than NFS.
> >
> >> Gluster 'native' SD's are broken on EL6.5 so I have been unable to test
> >> performance. I have heard performance can be upwards of 3x NFS for raw
> >> write.
> > Broken how?
> >
> >> Gluster doesn't have an async write option, so its doubtful it will ever
> >> be
> >> close to NFS async speeds.
> >>
> >>
>  Volume set nfs.trusted-sync on
>  On Ovirt, taking snapshots often enough to recover from a storage crash
> >>> Note that this would have negative write performance impact
> >>>
> >> The difference between NFS sync (<50MB/s) and async (>300MB/s on 10g)
> >> write
> >> speeds should more than compensate for the performance hit of taking
> >> snapshots more often. And that's just raw speed. If we take into
> >> consideration IOPS (guest small writes) async is leaps and bounds ahead.
> > I would test this, since qemu is already doing async I/O (using threads
> > when native AIO is not supported) and oVirt runs it with cache=none
> > (direct I/O) so sync ops should not happen that often (depends on guest).
> > You may be still enjoying performance boost, but I've seen UPS systems
> > fail before bringing down multiple nodes at once.
> > In addition, if you do not guarantee your data is safe when you create a
> > snapshot (and it doesn't seem like you are) then I see no reason to think
> > your snapshots are any better off than latest state on disk.
> >
> >>
> >> If we assume the site has backup UPS and generator power and we can build
> >> a
> >> highly available storage system with 3 nodes in quorum, are there any
> >> potential issues other than a write performance hit?
> >>
> >> The issue I thought might be most prevalent is if an ovirt host goes down
> >> and the VM's are automatically brought back up on another host, they could
> >> incur disk corruption and need to be brought back down and restored to the
> >> last snapshot state. This basically means the HA feature should be
> >> disabled.
> > I'm not sure I understand what your concern is here, what would cause the
> > data corruption? if your node crashed then there is no I/O in flight.  So
> > starting up the VM should be perfectly safe.
> It seems to me that either the VM can start and clean up it's own disk, or it
> can't, same as a bare-metal computer after a crash.  I have not experienced
> any "additional" corruption opportunities.  I see no reason to not use the
> HA.  The worst that happens is that the boot hangs, you have to revert to a
> snapshot.  My experience (in bare metal and other virtualization
> environments) is that about 98% of the time the computer will reboot after an
> unclean shutdown (power failure or virtual equivalent).  I have done this to
> virtual machines more times than I want to admit.
> 
> Maybe you need to tell us more about what you have in mind as far as
> corruption, so that we can either confirm or debunk your concerns.
> >
> >> Even worse, if the gluster node with CTDB NFS IP goes down, it may not
> >> have
> >> written out and replicated to its peers.  <-- I think I may have just
> >> answered my own question.
> > If 'trusted-sync' means that the CTDB NFS node acks the I/O before it
> > reached quorum then I'd say that's a gluster bug.  It should ack the I/O
> > before data hits the disc, but it should not ack it before it has quorum.
> > However, the configuration we feel comfortable using gluster is with both
> > server and client quorum (gluster has 2 differ

Re: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their activation against Microsoft

[Michal Skrivanek]

On 25 Feb 2014, at 08:32, Ayal Baron wrote:

> Michal, please see inline
> 
> - Original Message -
>> - Original Message -
>>> From: "R P Herrold" 
>>> To: "Ricky Schneberger" 
>>> Cc: users@ovirt.org
>>> Sent: Monday, February 24, 2014 6:42:54 PM
>>> Subject: [Users] After upgrade of ovirt > 3.3 all Windows vms lost their
>>> activation against Microsoft
>>> 
>>> On Mon, 24 Feb 2014, Ricky Schneberger wrote:
>>> 
> Why is the Windows VMs always lost their activation against Microsoft
> after that I have upgrade ovirt?
>>> ...
 Yes I am sure its related to the upgrade.

only upgrade, not a specific VM run? In other words it doesn't check the BIOS 
serial number since that's different on each hypervisor.

 
 In the application log of the VM we can see  "hardware has changed from
 previous boot" and also we have a licensing system on another host that
 got in a stucked state because of the same reason - "hardware has
 changed from previous boot".
>>> 
>>> I see the following discussions ... changes in bios, or
>>> hardware device numbers, seem to trigger this
>>> 
>>> (Citrix instances)
>>> http://support.citrix.com/article/CTX135542
>>> 
>>> http://support.citrix.com/article/CTX132220/
>>> 
>>> http://discussions.citrix.com/topic/313096-windows-activation-license-mak-used/#entry1674492
>>> 
>>> http://answers.microsoft.com/en-us/windows/forum/windows_7-windows_install/windows-7-activation-always-come-back-after/b26f8338-ae51-44d1-a0d9-b3a71643548a
>>> 
>>> So the issue may in some cases be avoided, but in others, will
>>> need oVirt attention to not changing values refered to by the
>>> licensing validation code.  Identifying all those test point
>>> valuess so they may be preserved, looks like something the
>>> upstream (commercial) vendor would not be very interesting in
>>> revealing as it would impact their revenue model, so it
>>> probably needs a set of 'reproducers' identified, and test
>>> cases written ...
>> 
>> I think the best solution would be if Microsoft would send some patches :-)
>> 
>> Ricky, would you open a bug so we can track this issue?
> 
> oVirt tries to keep stable device addresses (e.g. pci slot) specifically to 
> prevent this issue.
> The way it is done is that after running the VM we query libvirt for all the 
> device addresses and on next run we provide libvirt with the same addresses 
> to keep the devices from changing.
> This feature was not available in 3.0 so I see 2 options here:
> 1. this VM was not started (or was running) since 3.0
> 2. introduction of new virtual hardware caused a change in the device 
> addresses for some reason (bug).

in addition to stable PCI addresses, new QEMU/KVM release sometimes change the 
system hardware - emulated machine mode.
or if it is really subtle, it can also be triggered by new devices (e.g. 
balloon, virtio-console (used to be in 3.0, removed in 3.1, optional in 3.3)) 
or simple upgrade of virtio drivers

anyway, so what changes in devices you can see after upgrade? 

Thanks,
michal

> 
> Anyway, adding Michal who is more familiar with this part than I.
> 
> 
>> 
>> Nir
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