[ovirt-users] How to build ovirt-engine-appliance-xxx.rpm

[dhy336]

Hi How to build ovirt-engine-appliance-xxx.rpm,  I do not find docs and source 
now I hava build ovirt-engine-appliance.ova by ovirt-appliance.
 someone give me some advise?  thanks ___
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Re: [ovirt-users] Error V2V

[Alex K]

Hi Sebastian,

In case you would like to use SSH you need to setup SSH keys for vdsm user
of at least one of the ovirt hosts in order to SSH from it to the remote
KVM host (lets name it kvmhost) as below:

1. Edit temporarily the /etc/passwd of one host of your ovirt cluster. (say
node0 for example) and replace /sbin/nologin with /bin/sh for vdsm user as
below:

vdsm:x:36:36:Node Virtualization Manager:/var/lib/vdsm:/bin/sh

2. Switch to vdsm user and generate SSH keys:
su - vdsm
ssh-keygen
ssh-copy-id root@kvmhost

verify that you have passwordless SSH from node0 (ovirt host) to your KVM
host
restore previous /etc/password (replace /bin/sh with /sbin/nologin for vdsm
login shell)

3. Go at ovirt GUI and at VM import use the URI: qemu+ssh://root@kvmhost
/system
replace kvmhost with your IP and use as proxy host the one that you
configured SSH keys (node0 at this example).

This should work as for me it is working.

In case you login with another user and not root, you may do so as long as
the user has proper permissions for libvirt/qemu.

For TCP URI you need to enable TCP socket at kvmhost.

Alex


On Wed, Apr 11, 2018 at 10:36 PM, Sebastian Antunez N. <
antunez.sebast...@gmail.com> wrote:

> Hello
>
> I open the port in both nodes (KVM and Ovirt) now show the following
> message
>
> error: failed to connect to the hypervisor
> error: authentication failed: Failed to start SASL negotiation: -4
> (SASL(-4): no mechanism available: No worthy mechs found)
>
> Thanks for your help
>
> Regards
>
> 2018-04-11 15:46 GMT-03:00 Sebastian Antunez N. <
> antunez.sebast...@gmail.com>:
>
>> Hello
>>
>> This error when is generated the keygen
>>
>> sudo -u vdsm ssh-keygen
>> Generating public/private rsa key pair.
>> Enter file in which to save the key (//.ssh/id_rsa):
>> Could not create directory '//.ssh': Permission denied
>>
>> Regards
>>
>> SAN
>>
>>
>> 2018-04-11 14:19 GMT-03:00 Michal Skrivanek 
>> :
>>
>>>
>>>
>>> > On 11 Apr 2018, at 18:07, Sebastian Antunez N. <
>>> antunez.sebast...@gmail.com> wrote:
>>> >
>>> > Hello Guys
>>> >
>>> > I have two servers with ovirt 4.1 and I need to make v2v from KVM to
>>> Ovirt.
>>> >
>>> > When add the new External Provider show me the following error in
>>> qemu+ssh://root@IP/system
>>> >
>>> > VDSM FQDN command GetVmsNamesFromExternalProvider failed: Cannot recv
>>> data: Host Key verification failed. Connection reset by peer
>>> >
>>> > Now when add with tcp show me
>>> >
>>> > VDSM FQDN command GetVmsNamesFromExternalProvider failed: Unable to
>>> connect to server at 'IP:16509' Connection Refused
>>>
>>> your libvirt is not configured for TCP access
>>>
>>> >
>>> > For ssh I run
>>> >
>>> > sudo -u vdsm ssh-keygen
>>> > But i received Permision Denied.
>>>
>>> please paste exactly what you did
>>> > How can I resolve this issue
>>> >
>>> >
>>> > Thanks for your help
>>> >
>>> > Sebastian
>>> > ___
>>> > 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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[ovirt-users] ovirt-guest-agent for EL6

[John Nguyen]

Hi,

Is there an OVirt 4.2 compatible version on of the ovirt-guest-agent for
EL6?

I found the 1.0.13 Package but it doesn't report information to the Web UI.

Thanks,
John
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Re: [ovirt-users] Error V2V

[Sebastian Antunez N.]

Hello

I open the port in both nodes (KVM and Ovirt) now show the following message

error: failed to connect to the hypervisor
error: authentication failed: Failed to start SASL negotiation: -4
(SASL(-4): no mechanism available: No worthy mechs found)

Thanks for your help

Regards

2018-04-11 15:46 GMT-03:00 Sebastian Antunez N. :

> Hello
>
> This error when is generated the keygen
>
> sudo -u vdsm ssh-keygen
> Generating public/private rsa key pair.
> Enter file in which to save the key (//.ssh/id_rsa):
> Could not create directory '//.ssh': Permission denied
>
> Regards
>
> SAN
>
>
> 2018-04-11 14:19 GMT-03:00 Michal Skrivanek :
>
>>
>>
>> > On 11 Apr 2018, at 18:07, Sebastian Antunez N. <
>> antunez.sebast...@gmail.com> wrote:
>> >
>> > Hello Guys
>> >
>> > I have two servers with ovirt 4.1 and I need to make v2v from KVM to
>> Ovirt.
>> >
>> > When add the new External Provider show me the following error in
>> qemu+ssh://root@IP/system
>> >
>> > VDSM FQDN command GetVmsNamesFromExternalProvider failed: Cannot recv
>> data: Host Key verification failed. Connection reset by peer
>> >
>> > Now when add with tcp show me
>> >
>> > VDSM FQDN command GetVmsNamesFromExternalProvider failed: Unable to
>> connect to server at 'IP:16509' Connection Refused
>>
>> your libvirt is not configured for TCP access
>>
>> >
>> > For ssh I run
>> >
>> > sudo -u vdsm ssh-keygen
>> > But i received Permision Denied.
>>
>> please paste exactly what you did
>> > How can I resolve this issue
>> >
>> >
>> > Thanks for your help
>> >
>> > Sebastian
>> > ___
>> > Users mailing list
>> > Users@ovirt.org
>> > http://lists.ovirt.org/mailman/listinfo/users
>>
>>
>
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Re: [ovirt-users] Error V2V

[Sebastian Antunez N.]

Hello

This error when is generated the keygen

sudo -u vdsm ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (//.ssh/id_rsa):
Could not create directory '//.ssh': Permission denied

Regards

SAN


2018-04-11 14:19 GMT-03:00 Michal Skrivanek :

>
>
> > On 11 Apr 2018, at 18:07, Sebastian Antunez N. <
> antunez.sebast...@gmail.com> wrote:
> >
> > Hello Guys
> >
> > I have two servers with ovirt 4.1 and I need to make v2v from KVM to
> Ovirt.
> >
> > When add the new External Provider show me the following error in
> qemu+ssh://root@IP/system
> >
> > VDSM FQDN command GetVmsNamesFromExternalProvider failed: Cannot recv
> data: Host Key verification failed. Connection reset by peer
> >
> > Now when add with tcp show me
> >
> > VDSM FQDN command GetVmsNamesFromExternalProvider failed: Unable to
> connect to server at 'IP:16509' Connection Refused
>
> your libvirt is not configured for TCP access
>
> >
> > For ssh I run
> >
> > sudo -u vdsm ssh-keygen
> > But i received Permision Denied.
>
> please paste exactly what you did
> > How can I resolve this issue
> >
> >
> > Thanks for your help
> >
> > Sebastian
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
>
>
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Re: [ovirt-users] ovirt snapshot issue

[Alex K]

Interestingly enough this happens only to a Windows VM with two disks
(60GB, 500GB). This is reproducible every time a snapshot is taken.
If I snapshot only one disk, regardless if it is the small or the big one,
the snapshot completes fairly quickly and the VM is not rendered
unresponsive.
Seems to be a race issue with libvirtd.

Alex



On Wed, Apr 11, 2018 at 6:57 PM, Alex K  wrote:

> Thanx Yaniv,
>
> I will try to follow your advice.
>
> Alex
>
> On Tue, Apr 3, 2018 at 8:54 PM, Yaniv Kaul  wrote:
>
>>
>>
>> On Sun, Apr 1, 2018 at 9:04 PM, Alex K  wrote:
>>
>>> Checking further the logs I see this error given from libvirt of the
>>> host that has the guest VM running:
>>>
>>> Apr  1 17:53:41 v0 libvirtd: 2018-04-01 17:53:41.298+: 1862: warning
>>> : qemuDomainObjBeginJobInternal:3847 : Cannot start job (query, none) for
>>> domain Data-Server; current job is (async nested, snapshot) owned by (1863
>>> remoteDispatchDomainSnapshotCreateXML, 1863
>>> remoteDispatchDomainSnapshotCreateXML) for (39s, 41s)
>>> Apr  1 17:53:41 v0 libvirtd: 2018-04-01 17:53:41.299+: 1862: error :
>>> qemuDomainObjBeginJobInternal:3859 : Timed out during operation: cannot
>>> acquire state change lock (held by remoteDispatchDomainSnapshotCreateXML)
>>> Apr  1 17:53:57 v0 journal: vdsm Executor WARN Worker blocked: >> name=jsonrpc/3 running >> u'vmID': u'6bdb3d02-cc33-4019-97cd-7447aecc1e02', u'snapDrives':
>>> [{u'baseVolumeID': u'adfabed5-451b-4f46-b22a-45f720b06110', u'domainID':
>>> u'2c4b8d45-3d05-4619-9a36-1ecd199d3056', u'volumeID':
>>> u'cc0d0772-924c-46db-8ad6-a2b0897c313f', u'imageID':
>>> u'7eeadedc-f247-4a31-840d-4de622bf3541'}, {u'baseVolumeID':
>>> u'0d960c12-3bcf-4918-896d-bd8e68b5278b', u'domainID':
>>> u'2c4b8d45-3d05-4619-9a36-1ecd199d3056', u'volumeID':
>>> u'590a6bdd-a9e2-444e-87bc-721c5f8586eb', u'imageID':
>>> u'da0e4111-6bbe-43cb-bf59-db5fbf5c3e38'}]}, 'jsonrpc': '2.0', 'method':
>>> u'VM.snapshot', 'id': u'be7912e6-ba3d-4357-8ba1-abe40825acf1'} at
>>> 0x3bf84d0> timeout=60, duration=60 at 0x3bf8050> task#=416 at 0x20d7f90>
>>>
>>>
>>> Immediately after above the engine reports the VM as unresponsive.
>>>
>>
>> If it's reproducible, it'd be great if you could:
>> 1. Run libvirt with debug logs
>> 2. Get a dump of libvirt when this happens (with gstack for example).
>> 3. File a bug on libvirt.
>>
>> Thanks,
>> Y.
>>
>>
>>> The SPM host does not log any issues.
>>>
>>> In the same time, the 3 hosts are fairly idle with only one running
>>> guest VM. The gluster traffic is dedicated to a separate Gbit NIC of the
>>> servers (dedicated VLAN) while the management network is on a separate
>>> network. The gluster traffic does not exceed 40 Mbps during the snapshot
>>> operation. Can't understand why libvirt is logging timeout.
>>>
>>> Alex
>>>
>>> On Thu, Mar 29, 2018 at 9:42 PM, Alex K  wrote:
>>>
 Any idea with this issue?
 I am still trying to understand what may be causing this issue.

 Many thanx for any assistance.

 Alex

 On Wed, Mar 28, 2018 at 10:06 AM, Yedidyah Bar David 
 wrote:

> On Tue, Mar 27, 2018 at 3:38 PM, Sandro Bonazzola  > wrote:
>
>>
>>
>> 2018-03-27 14:34 GMT+02:00 Alex K :
>>
>>> Hi All,
>>>
>>> Any idea on the below?
>>>
>>> I am using oVirt Guest Tools 4.2-1.el7.centos for the VM.
>>> The Window 2016 server VM (which it the one with the relatively big
>>> disks: 500 GB) it is consistently rendered unresponsive when trying to 
>>> get
>>> a snapshot.
>>> I amy provide any other additional logs if needed.
>>>
>>
>> Adding some people to the thread
>>
>
> Adding more people for this part.
>
>
>>
>>
>>
>>>
>>> Alex
>>>
>>> On Sun, Mar 25, 2018 at 7:30 PM, Alex K 
>>> wrote:
>>>
 Hi folks,

 I am facing frequently the following issue:

 On some large VMs (Windows 2016 with two disk drives, 60GB and
 500GB) when attempting to create a snapshot of the VM, the VM becomes
 unresponsive.

 The errors that I managed to collect were:

 vdsm error at host hosting the VM:
 2018-03-25 14:40:13,442+ WARN  (vdsm.Scheduler) [Executor]
 Worker blocked: >>> {'params': {u'frozen': False, u'vmID':
 u'a5c761a2-41cd-40c2-b65f-f3819293e8a4', u'snapDrives': 
 [{u'baseVolumeID':
 u'2a33e585-ece8-4f4d-b45d-5ecc9239200e', u'domainID':
 u'888e3aae-f49f-42f7-a7fa-76700befabea', u'volumeID':
 u'e9a01ebd-83dd-40c3-8c83-5302b0d15e04', u'imageID':
 u'c75b8e93-3067-4472-bf24-dafada224e4d'}, {u'baseVolumeID':
 u'3fb2278c-1b0d-4677-a529-99084e4b08af', u'domainID':
 

Re: [ovirt-users] Node health bad after power outage

[Vincent Royer]

Software Version:4.2.2.6-1.el7.centos

Nodes are still on 4.2 because I can't seem to upgrade them (not getting
any replies to my other thread about this)


*Vincent Royer*
*778-825-1057*



*SUSTAINABLE MOBILE ENERGY SOLUTIONS*




On Tue, Apr 10, 2018 at 10:42 PM, Ido Rosenzwig  wrote:

> What version of Hosted-Engine are you running ?
>
> On Wed, Apr 11, 2018 at 2:40 AM, Vincent Royer 
> wrote:
>
>> These mounts:
>>
>>
>>
>> After the power failure, these mounts were missing on one of my nodes.  I
>> added them back using the + button, rebooted, and then the engine started
>> back up.
>>
>>
>> *Vincent Royer*
>> *778-825-1057*
>>
>>
>> 
>> *SUSTAINABLE MOBILE ENERGY SOLUTIONS*
>>
>>
>>
>>
>> On Tue, Apr 10, 2018 at 1:13 AM, Ido Rosenzwig 
>> wrote:
>>
>>> Dear Vincent,
>>>
>>> Can you please explain what you did by 're-entering the mounts using
>>> cockpit' and why you did it?
>>>
>>> Best regards,
>>> Ido Rosenzwig
>>>
>>>
>>>
>>> On Mon, Apr 9, 2018 at 6:48 PM, Vincent Royer 
>>> wrote:
>>>
 Does anyone have any clues about these errors?




 On Sat, Apr 7, 2018 at 9:02 PM, Vincent Royer 
 wrote:

> Suffered a long power outage that outlasted our huge UPS, so both my
> nodes went down.
>
> Upon return, the nodes came back up but engine did not start because
> the storage server takes longer to boot than the nodes do, so the NFS
> mounts didn't reconnect.
>
> I manually re-entered the mounts using cockpit, rebooted the nodes and
> the engine came back up along with all VMs.
>
> Now in cockpit under Node Status, It says Health: bad, and these
> messages:
>
>
> Everything seems to be working fine though.
>
>

 ___
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>>>
>>
>
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Re: [ovirt-users] Error V2V

[Michal Skrivanek]

> On 11 Apr 2018, at 18:07, Sebastian Antunez N.  
> wrote:
> 
> Hello Guys
> 
> I have two servers with ovirt 4.1 and I need to make v2v from KVM to Ovirt.
> 
> When add the new External Provider show me the following error in 
> qemu+ssh://root@IP/system
> 
> VDSM FQDN command GetVmsNamesFromExternalProvider failed: Cannot recv data: 
> Host Key verification failed. Connection reset by peer
> 
> Now when add with tcp show me
>  
> VDSM FQDN command GetVmsNamesFromExternalProvider failed: Unable to connect 
> to server at 'IP:16509' Connection Refused

your libvirt is not configured for TCP access

> 
> For ssh I run
> 
> sudo -u vdsm ssh-keygen
> But i received Permision Denied.

please paste exactly what you did 
> How can I resolve this issue 
> 
> 
> Thanks for your help
> 
> Sebastian
> ___
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> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users

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Re: [ovirt-users] Migrate VM from KVM to Ovirt

[Michal Skrivanek]

> On 11 Apr 2018, at 18:00, Sebastian Antunez N.  
> wrote:
> 
> Hello Guys
> 
> I have two servers with ovirt 4.1 and I need to make v2v from KVM to Ovirt.
> 
> When add the new External Provider show me the following error in 
> qemu+ssh://root@IP/system
> 
> VDSM FQDN command GetVmsNamesFromExternalProvider failed: Cannot recv data: 
> Host Key verification failed. Connection reset by peer

you do need to exchange keys properly up front, so “vdsm” user can ssh without 
pwd prompt

> 
> Now when add with tcp show me 
> 
> 
> 
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[ovirt-users] Error V2V

[Sebastian Antunez N.]

 Hello Guys

I have two servers with ovirt 4.1 and I need to make v2v from KVM to Ovirt.

When add the new External Provider show me the following error in
qemu+ssh://root@IP/system

VDSM FQDN command GetVmsNamesFromExternalProvider failed: Cannot recv data:
Host Key verification failed. Connection reset by peer

Now when add with tcp show me

VDSM FQDN command GetVmsNamesFromExternalProvider failed: Unable to connect
to server at 'IP:16509' Connection Refused

For ssh I run

sudo -u vdsm ssh-keygen

But i received Permision Denied.

How can I resolve this issue


Thanks for your help

Sebastian
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[ovirt-users] Migrate VM from KVM to Ovirt

[Sebastian Antunez N.]

Hello Guys

I have two servers with ovirt 4.1 and I need to make v2v from KVM to Ovirt.

When add the new External Provider show me the following error in
qemu+ssh://root@IP/system

VDSM FQDN command GetVmsNamesFromExternalProvider failed: Cannot recv data:
Host Key verification failed. Connection reset by peer

Now when add with tcp show me
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Re: [ovirt-users] ovirt snapshot issue

[Alex K]

Thanx Yaniv,

I will try to follow your advice.

Alex

On Tue, Apr 3, 2018 at 8:54 PM, Yaniv Kaul  wrote:

>
>
> On Sun, Apr 1, 2018 at 9:04 PM, Alex K  wrote:
>
>> Checking further the logs I see this error given from libvirt of the host
>> that has the guest VM running:
>>
>> Apr  1 17:53:41 v0 libvirtd: 2018-04-01 17:53:41.298+: 1862: warning
>> : qemuDomainObjBeginJobInternal:3847 : Cannot start job (query, none)
>> for domain Data-Server; current job is (async nested, snapshot) owned by
>> (1863 remoteDispatchDomainSnapshotCreateXML, 1863
>> remoteDispatchDomainSnapshotCreateXML) for (39s, 41s)
>> Apr  1 17:53:41 v0 libvirtd: 2018-04-01 17:53:41.299+: 1862: error :
>> qemuDomainObjBeginJobInternal:3859 : Timed out during operation: cannot
>> acquire state change lock (held by remoteDispatchDomainSnapshotCreateXML)
>> Apr  1 17:53:57 v0 journal: vdsm Executor WARN Worker blocked: > name=jsonrpc/3 running > u'vmID': u'6bdb3d02-cc33-4019-97cd-7447aecc1e02', u'snapDrives':
>> [{u'baseVolumeID': u'adfabed5-451b-4f46-b22a-45f720b06110', u'domainID':
>> u'2c4b8d45-3d05-4619-9a36-1ecd199d3056', u'volumeID':
>> u'cc0d0772-924c-46db-8ad6-a2b0897c313f', u'imageID':
>> u'7eeadedc-f247-4a31-840d-4de622bf3541'}, {u'baseVolumeID':
>> u'0d960c12-3bcf-4918-896d-bd8e68b5278b', u'domainID':
>> u'2c4b8d45-3d05-4619-9a36-1ecd199d3056', u'volumeID':
>> u'590a6bdd-a9e2-444e-87bc-721c5f8586eb', u'imageID':
>> u'da0e4111-6bbe-43cb-bf59-db5fbf5c3e38'}]}, 'jsonrpc': '2.0', 'method':
>> u'VM.snapshot', 'id': u'be7912e6-ba3d-4357-8ba1-abe40825acf1'} at
>> 0x3bf84d0> timeout=60, duration=60 at 0x3bf8050> task#=416 at 0x20d7f90>
>>
>>
>> Immediately after above the engine reports the VM as unresponsive.
>>
>
> If it's reproducible, it'd be great if you could:
> 1. Run libvirt with debug logs
> 2. Get a dump of libvirt when this happens (with gstack for example).
> 3. File a bug on libvirt.
>
> Thanks,
> Y.
>
>
>> The SPM host does not log any issues.
>>
>> In the same time, the 3 hosts are fairly idle with only one running guest
>> VM. The gluster traffic is dedicated to a separate Gbit NIC of the servers
>> (dedicated VLAN) while the management network is on a separate network. The
>> gluster traffic does not exceed 40 Mbps during the snapshot operation.
>> Can't understand why libvirt is logging timeout.
>>
>> Alex
>>
>> On Thu, Mar 29, 2018 at 9:42 PM, Alex K  wrote:
>>
>>> Any idea with this issue?
>>> I am still trying to understand what may be causing this issue.
>>>
>>> Many thanx for any assistance.
>>>
>>> Alex
>>>
>>> On Wed, Mar 28, 2018 at 10:06 AM, Yedidyah Bar David 
>>> wrote:
>>>
 On Tue, Mar 27, 2018 at 3:38 PM, Sandro Bonazzola 
 wrote:

>
>
> 2018-03-27 14:34 GMT+02:00 Alex K :
>
>> Hi All,
>>
>> Any idea on the below?
>>
>> I am using oVirt Guest Tools 4.2-1.el7.centos for the VM.
>> The Window 2016 server VM (which it the one with the relatively big
>> disks: 500 GB) it is consistently rendered unresponsive when trying to 
>> get
>> a snapshot.
>> I amy provide any other additional logs if needed.
>>
>
> Adding some people to the thread
>

 Adding more people for this part.


>
>
>
>>
>> Alex
>>
>> On Sun, Mar 25, 2018 at 7:30 PM, Alex K 
>> wrote:
>>
>>> Hi folks,
>>>
>>> I am facing frequently the following issue:
>>>
>>> On some large VMs (Windows 2016 with two disk drives, 60GB and
>>> 500GB) when attempting to create a snapshot of the VM, the VM becomes
>>> unresponsive.
>>>
>>> The errors that I managed to collect were:
>>>
>>> vdsm error at host hosting the VM:
>>> 2018-03-25 14:40:13,442+ WARN  (vdsm.Scheduler) [Executor]
>>> Worker blocked: >> {'params': {u'frozen': False, u'vmID': 
>>> u'a5c761a2-41cd-40c2-b65f-f3819293e8a4',
>>> u'snapDrives': [{u'baseVolumeID': 
>>> u'2a33e585-ece8-4f4d-b45d-5ecc9239200e',
>>> u'domainID': u'888e3aae-f49f-42f7-a7fa-76700befabea', u'volumeID':
>>> u'e9a01ebd-83dd-40c3-8c83-5302b0d15e04', u'imageID':
>>> u'c75b8e93-3067-4472-bf24-dafada224e4d'}, {u'baseVolumeID':
>>> u'3fb2278c-1b0d-4677-a529-99084e4b08af', u'domainID':
>>> u'888e3aae-f49f-42f7-a7fa-76700befabea', u'volumeID':
>>> u'78e6b6b1-2406-4393-8d92-831a6d4f1337', u'imageID':
>>> u'd4223744-bf5d-427b-bec2-f14b9bc2ef81'}]}, 'jsonrpc': '2.0',
>>> 'method': u'VM.snapshot', 'id': u'89555c87-9701-4260-9952-789965261e65'}
>>> at 0x7fca4004cc90> timeout=60, duration=60 at 0x39d8210> task#=155842 at
>>> 0x2240e10> (executor:351)
>>> 2018-03-25 14:40:15,261+ INFO  (jsonrpc/3)
>>> [jsonrpc.JsonRpcServer] RPC call VM.getStats failed (error 1) in 0.01
>>> seconds (__init__:539)
>>> 2018-03-25 

Re: [ovirt-users] Can't sync networks

[Cole Johnson]

I totally missed that.  Thanks, that clears it up!


On Mon, Apr 9, 2018 at 12:29 PM, Dominik Holler  wrote:
> Different logical networks in oVirt attached to the same host should use
> different IP networks.
>
> On Mon, 9 Apr 2018 09:16:49 -0700
> Cole Johnson  wrote:
>
>> If I mouse over the ovirtmgmt label in "Setup Host", it indicates that
>> it is the default route.  Please see the attached screen shot.  The
>> output of ip route in the terminal shows:
>>
>> [root@kerensk ~]# ip route
>> default via 10.0.0.1 dev eno2 proto static metric 100
>> default via 10.0.0.1 dev eno3 proto static metric 101
>> 10.0.0.0/24 dev ovirtmgmt proto kernel scope link src 10.0.0.240
>> 10.0.0.0/24 dev gluster proto kernel scope link src 10.0.0.243
>> 10.0.0.0/24 dev eno2 proto kernel scope link src 10.0.0.241 metric 100
>> 10.0.0.0/24 dev eno3 proto kernel scope link src 10.0.0.242 metric 101
>> 169.254.0.0/16 dev ovirtmgmt scope link metric 1021
>> 169.254.0.0/16 dev gluster scope link metric 1028
>>
>> On Mon, Apr 9, 2018 at 8:20 AM, Dominik Holler 
>> wrote:
>> > On Mon, 9 Apr 2018 07:39:13 -0700
>> > Cole Johnson  wrote:
>> >
>> >> Where can I find this information?  The best I can find is if I am
>> >> in the "Setup Host" dialog, and mouse over the un-synced network.
>> >> The message reads "Host Network's configurations differ from DC".
>> >
>> > The table below this message in dialog.jpeg shows the values not in
>> > sync, which is the default route of the host.
>> >
>> >> If this
>> >> is the error message, what do I need to do to make the
>> >> configurations match?
>> >
>> > Ensure that the gateway of ovirtmgt is the default route on the
>> > host.
>> >> Isn't this the whole point of what I am trying to do here?  I
>> >> have attached some screenshots of the different messages that I
>> >> encounter.
>> >>
>> >> On Mon, Apr 9, 2018 at 12:54 AM, Dominik Holler
>> >>  wrote:
>> >> > On Wed, 4 Apr 2018 11:19:33 -0700
>> >> > Cole Johnson  wrote:
>> >> >
>> >> >> Hello,
>> >> >> I am trying to set up a 3 host gluster hyperconverged self
>> >> >> hosted engine running on oVirt Nodes. ( I think that I have all
>> >> >> of the buzzwords here) All of the hardware is the same.  I am
>> >> >> using the guide from here:
>> >> >> https://www.ovirt.org/blog/2018/02/up-and-running-with-ovirt-4-2-and-gluster-storage/
>> >> >> and the documentation here:
>> >> >> https://www.ovirt.org/documentation/gluster-hyperconverged/Gluster_Hyperconverged_Guide/
>> >> >> for reference.
>> >> >> I have used the setup wizards from the cockpit interface to
>> >> >> setup gluster and the hosted engine successfully.  I have
>> >> >> configured the gluster storage and setup all of the hosts
>> >> >> inside the hosted engine.
>> >> >>
>> >> >> My problem occurs when I try to configure a separate storage
>> >> >> network as shown in the blog post.  I can get thru the process
>> >> >> as outlined, on all three hosts, but the status will not change
>> >> >> from "out-of-sync".  I can press the "Sync All Networks", and I
>> >> >> get a notification which says "Finished SyncAllHostNetworks",
>> >> >> but the status of the storage network remains "out-of-sync" .
>> >> >>
>> >> >
>> >> >
>> >> > The "Setup Host Networks" dialog presents the information why the
>> >> > network is marked as "out-of-sync".
>> >> > Does the information presented helps you?
>> >> >
>> >> >> I don't know if this is related, but I cannot migrate the
>> >> >> HostedEngine vm between hosts.
>> >> >>
>> >> >> I have attached the contents of vdsm.log
>> >> >>
>> >> >> Any help is appreciated.
>> >> >
>> >
>
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[ovirt-users] user rhel7.5 as ovirt-node

[Moritz Baumann]

After installing a RHEL7.5 server and adding the host via ovirt-engine 
it initially works, but afterwards it findes the followgin upgrades 
which break e.g. yum:



-> Running transaction check
---> Package pyOpenSSL.x86_64 0:0.13.1-3.el7 will be obsoleted
---> Package python-dateutil.noarch 0:1.5-7.el7 will be updated
---> Package python-dateutil.noarch 1:2.4.2-1.el7 will be an update
---> Package python2-pyOpenSSL.noarch 0:16.2.0-3.el7 will be obsoleting

==
 Package 
Arch   Version 
   Repository 
 Size

==
Installing:
 python2-pyOpenSSL 
noarch 16.2.0-3.el7 

ovirt-4.2-centos-ovirt42 
 88 k

 replacing  pyOpenSSL.x86_64 0.13.1-3.el7
Updating:
 python-dateutil 
noarch 1:2.4.2-1.el7 

ovirt-4.2-centos-ovirt42 
 83 k


Transaction Summary
==
Install  1 Package
Upgrade  1 Package


It seems that pyOpenSSL.x86 is needed by yum.

Will there be updated ovirt packages?

Best
Mo
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Re: [ovirt-users] Ovirt 4.2. Isolated (host-only) network

[spfma . tech]

Hi,
   Yes, clear informations about this are not available and I had to try a 
little bit before getting a result.   The thing is you can create an internal 
network but it has to be linked to some device, otherwise the network will be 
considered as "non functional" and your domain, server or datacenter (depending 
at which level you decide to set ip), will return errors. At the datacenter 
level, I wasn't even able to have a usable infrastructure before correcting 
this.   The solution is very close to your idea, so what about connecting these 
VMs to a "ghost" network interface, which is just existing virtually and 
behaving like a real one but without bothering you ?This thing is called 
the "dummy" module, and can be configured at OS level.   * Configure and use 
the "dummy" module and create an active interface   - /etc/modprobe.d/dummy.conf
 install dummy /sbin/modprobe --ignore-install dummy; ip link add dummy_1 type 
dummy
 - /etc/modules-load.d/dummy.conf 
 # Dummy net driver for internal network
 dummy   * Configure this device "dummy_1" as linked to a dedicated bridge 
"smb_testing". - /etc/sysconfig/network-scripts/ifcfg-dummy_1 
 # Generated by VDSM version 4.20.23-1.el7.centos
 DEVICE=dummy_1
 BRIDGE=smb_testing
 ONBOOT=yes
 MTU=1500
 DEFROUTE=no
 NM_CONTROLLED=no
 IPV6INIT=no
   * Classic bridge definition.
 - /etc/sysconfig/network-scripts/ifcfg-smb_testing 
 # Generated by VDSM version 4.20.23-1.el7.centos
 DEVICE=smb_testing
 TYPE=Bridge
 DELAY=0
 STP=off
 ONBOOT=yes
 MTU=1500
 DEFROUTE=no
 NM_CONTROLLED=no
 IPV6INIT=yes
 IPV6_AUTOCONF=yes   You can now attach this network to your machines, and they 
will be able to communicate through it. 

My main concern now is : will this configuration survive if I modify things and 
network scripts are regenerated by the engine ? 

Regards

 Le 09-Apr-2018 08:37:23 +0200, a_shi...@inbox.ru a crit:   

Hi List! 

Recently I've started using ovirt 4.2 and faced that I cannot find any guide 
how to do it in ovirt.org documentation. 

Need help with configure isolated/host-only (not connect to real NIC) network 
that allowed to communicate two or more VMs into private network. May be exist 
a solution? I did it such: linked logical networt to real NIC without connect 
anywhere (link - DOWN), but this solution is a little bit odd. How to exclude 
read NIC?

-
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Re: [ovirt-users] why hosted-engine use OVA

[Yedidyah Bar David]

On Wed, Apr 11, 2018 at 11:23 AM,   wrote:
> Hi，
>  I want to know why hosted-engine use OVA, not directly use qcow2?

Can't say I remember why we started with OVA, I guess it's simply the
standard format for distributing appliances.

See the following for supporting qcow2:

https://bugzilla.redhat.com/show_bug.cgi?id=1274065
https://bugzilla.redhat.com/show_bug.cgi?id=1528987

Best regards,
-- 
Didi
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[ovirt-users] why hosted-engine use OVA

[dhy336]

Hi， I want to know why hosted-engine use OVA, not directly use qcow2? 
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[ovirt-users] ovirt and OpenVswitch

[Nicolas Vaye]

Hello,

Does anyone have any feedback on OVirt (4.x) and Open VSwitch ?
May be with DPDK ?

What are the pros ans cons ?
Are the performances very improved with it ?

Is this url a good start to go with ovirt 4.2 ?
https://www.ovirt.org/blog/2017/09/ovs-dpdk/


Thanks.

Nicolas VAYE

[ImageGenerationNC]
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