[ovirt-users] Re: Memory usage inclines

[Tony Brian Albers]

I'm not following you on the 42G available, the way I see it there's
400+G available:

[root@man-001 ~]# free -h
  totalusedfree  shared  buff/cache   a
vailable
Mem:   503G 96G 19G205M387G
405G
Swap:  4.0G520K4.0G

And here's top sorted by %mem usage:

top - 07:29:00 up 104 days, 20:56,  1 user,  load average: 0.59, 0.68,
0.67
Tasks: 564 total,   1 running, 563 sleeping,   0 stopped,   0 zombie
%Cpu(s):  1.5 us,  0.2 sy,  0.0 ni, 98.2 id,  0.0 wa,  0.0 hi,  0.0
si,  0.0 st
KiB Mem : 52807689+total, 20085144 free, 10132981+used,
40666195+buff/cache
KiB Swap:  4194300 total,  4193780 free,  520 used. 42491062+avail
Mem 

   PID USER  PR  NIVIRTRESSHR S  %CPU %MEM TIME+
COMMAND 
  5517 qemu  20   0 9128268   8.1g  14084 S   3.0  1.6   5892:07
qemu-kvm
 14187 qemu  20   0 9210236   8.1g  14072 S   5.3  1.6   6586:00
qemu-kvm
 12791 qemu  20   0 9272448   8.1g  14140 S  14.2  1.6  17452:10
qemu-kvm
135526 qemu  20   0 9117748   8.1g  13664 S   2.3  1.6   5874:48
qemu-kvm
  7938 qemu  20   0 9129936   8.1g  13744 S   2.3  1.6  22109:28
qemu-kvm
 11764 qemu  20   0 9275520   8.1g  13720 S   3.3  1.6  10679:25
qemu-kvm
 12066 qemu  20   0 9360552   8.1g  13708 S   3.0  1.6  10724:34
qemu-kvm
 11153 qemu  20   0 9113544   8.1g  13700 S  15.6  1.6  19050:12
qemu-kvm
 12436 qemu  20   0 9161800   8.1g  13712 S  16.2  1.6  21268:00
qemu-kvm
  6902 qemu  20   0 9110480   8.0g  13580 S   0.7  1.6   1804:16
qemu-kvm
  7621 qemu  20   0 9203816   4.8g  14264 S   1.7  1.0   3143:35
qemu-kvm
  6587 qemu  20   0 4880980   4.1g  13744 S   0.7  0.8   2354:56
qemu-kvm
  7249 qemu  20   0 4913084   1.6g  13712 S   0.7  0.3   1380:38
qemu-kvm
111877 qemu  20   0 1911088   1.1g  14076 S   0.3  0.2 419:58.70
qemu-kvm
  4602 vdsm   0 -20 4803160 114184  13860 S   1.3  0.0   2143:44
vdsmd   
  4058 root  15  -5 1154020  38804   9588 S   0.0  0.0   0:00.81
supervdsmd  
   818 root  20   0   84576  35356  34940 S   0.0  0.0   1:05.60
systemd-journal 
  3602 root  20   0 1496796  32536   9232 S   0.0  0.0 123:53.70
python  
  2672 root  20   0  358328  30228   7984 S   0.0  0.0   0:14.76
firewalld   
  4801 vdsm  20   0 1640996  28904   5484 S   0.0  0.0   1265:14
python


Rebooting a host doesn't help, (I've tried that earlier) the only thing
that works is to stop all vm's, reboot all hosts at the same time and
start vm's again. Then memory usage shown in the dashboard slowly
increases over time again.

/tony






On Tue, 2018-12-11 at 14:09 -0600, Darrell Budic wrote:
> That’s only reporting 42G available of your 512, ok but something
> still using it. Try sorting the top by memory %, should be ‘>’ while
> it’s running.
> 
> > On Dec 11, 2018, at 1:39 AM, Tony Brian Albers  wrote:
> > 
> > Looks ok to me:
> > 
> > top - 08:38:07 up 103 days, 22:05,  1 user,  load average: 0.68,
> > 0.62,
> > 0.57
> > Tasks: 565 total,   1 running, 564 sleeping,   0 stopped,   0
> > zombie
> > %Cpu(s):  1.0 us,  0.5 sy,  0.0 ni, 98.5 id,  0.0 wa,  0.0 hi,  0.0
> > si,  0.0 st
> > KiB Mem : 52807689+total, 22355988 free, 10132873+used,
> > 40439219+buff/cache
> > KiB Swap:  4194300 total,  4193780 free,  520 used.
> > 42492028+avail
> > Mem 
> > 
> >    PID USER  PR  NIVIRTRESSHR S  %CPU
> > %MEM TIME+
> > COMMAND  
> >  14187 qemu  20   0 9144668   8.1g  14072
> > S  12.6  1.6   6506:46
> > qemu-kvm 
> >  11153 qemu  20   0 9244680   8.1g  13700
> > S   4.3  1.6  18881:11
> > qemu-kvm 
> >  12436 qemu  20   0 9292936   8.1g  13712
> > S   3.3  1.6  21071:56
> > qemu-kvm 
> >   5517 qemu  20   0 9128268   8.1g  14084
> > S   3.0  1.6   5801:03
> > qemu-kvm 
> >  11764 qemu  20   0 9185364   8.1g  13720
> > S   3.0  1.6  10585:14
> > qemu-kvm 
> >   7938 qemu  20   0 9252876   8.1g  13744
> > S   2.6  1.6  21912:46
> > qemu-kvm 
> >  12791 qemu  20   0 9182292   8.1g  14140
> > S   2.6  1.6  17299:36
> > qemu-kvm 
> >   4602 vdsm   0 -20 4803160  114132  13860
> > S   2.3  0.0 

[ovirt-users] Ovirt Node Installation issue on Ovirt 4.2

[Hemant Gupta]

Hi,
I have downloaded the ISO on physical server but I am unable to attach to my 
ovirt engine as it showing vdsm error but during update on CentosOS launched 
with ISO its giving below :
[root@r yum.repos.d]# sudo yum install 
https://resources.ovirt.org/pub/yum-repo/ovirt-release42.rpm
Loaded plugins: enabled_repos_upload, fastestmirror, imgbased-persist, 
package_upload, product-id, search-disabled-repos, vdsmupgrade
Examining /var/tmp/yum-root-fu0Y2g/ovirt-release42.rpm: 
ovirt-release42-4.2.7-1.el7.noarch
/var/tmp/yum-root-fu0Y2g/ovirt-release42.rpm: does not update installed package.
Error: Nothing to do
Uploading Enabled Repositories Report
Loaded plugins: fastestmirror, product-id
Cannot upload enabled repos report, is this client registered?
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[ovirt-users] Re: Ovirt Engine UI bug- cannot attache networks to hosts

[Eitan Raviv]

Can you clear the browser cache and try again?
Can you share the contents of /var/log/ovirt-engine/ui.log?

On Tue, Dec 11, 2018 at 2:54 PM Leo David  wrote:

> Hello,
> Any thoughts on these ? Any ideea on how could I fix that bug ?
> Thank you !
>
> On Fri, Dec 7, 2018, 15:06 Leo David 
>> Hi Everyone,
>> Using self hosted-engine 4.2.7.5-1.el7 running on ovirt-node 4.2.7,  i am
>> trying to attache hosts to a newlly created network for gluster/migration
>> traffic.
>> Oncei click on Networks->gluster-Hosts- Unattached, i get the following
>> error:
>>
>> Uncaught exception occurred. Please try reloading the page. Details:
>> (TypeError) : M9(...) is null
>> Please have your administrator check the UI logs
>>
>> So to make the cluster installation possible,  i had to use ovirt 4.2.2
>> and manually install ovirt-engine-appliance-4.2-20180626.1.el7 on the nodes
>> before deploying self-hosted engine ( version that has other problems,
>> like not being able to get dasboards in cloudforms/manageiq -
>> ovirt-engine-dwh is missing ).
>>
>> Is it possible to:
>> 1. upgrade actual hosted-engine version to the latest that has this
>> module properly installed ?
>> 2. fix the latest ( upgraded ) version so i can attach hosts to networks ?
>> Thank you very much !
>>
>> Leo
>>
>> --
>> Best regards, Leo David
>>
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[ovirt-users] Re: Configuring Gluster Hyperconverged on Cloud

[Staniforth, Paul]

Maybe you could use ravello, it used to be more popular a few years ago.
e.g. a couple standard oVirt clusters.

https://www.ravellosystems.com/repo/blueprints/64554219

https://www.ravellosystems.com/repo/vms/60590638

Regards,
  Paul S.

From: pawan.ratw...@tcs.com 
Sent: 04 December 2018 08:36
To: users@ovirt.org
Subject: [ovirt-users] Configuring Gluster Hyperconverged on Cloud

Hi,
I would like to do hands-on on Gluster Hyperconverged environment, and as per 
my understanding compute and storage has to be on the same hosts. Since I don't 
have physical infra to support such configuration, I would like to setup 3-node 
cluster on Cloud e.g. AWS, or Azure.
I would like to know if I create an EC2 instance on AWS (or on Azure) with the 
desired Compute, Storage and Network capacity, is Gluster-hyperconverged 
cluster setup supported for such deployment ?
I am referring https://www.ovirt.org/documentation/gluster-hyperconverged/ for 
this.

Thanks.
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[ovirt-users] Re: Memory usage inclines

[Darrell Budic]

That’s only reporting 42G available of your 512, ok but something still using 
it. Try sorting the top by memory %, should be ‘>’ while it’s running.

> On Dec 11, 2018, at 1:39 AM, Tony Brian Albers  wrote:
> 
> Looks ok to me:
> 
> top - 08:38:07 up 103 days, 22:05,  1 user,  load average: 0.68, 0.62,
> 0.57
> Tasks: 565 total,   1 running, 564 sleeping,   0 stopped,   0 zombie
> %Cpu(s):  1.0 us,  0.5 sy,  0.0 ni, 98.5 id,  0.0 wa,  0.0 hi,  0.0
> si,  0.0 st
> KiB Mem : 52807689+total, 22355988 free, 10132873+used,
> 40439219+buff/cache
> KiB Swap:  4194300 total,  4193780 free,  520 used. 42492028+avail
> Mem 
> 
>PID USER  PR  NIVIRTRESSHR S  %CPU %MEM TIME+
> COMMAND  
>  14187 qemu  20   0 9144668   8.1g  14072 S  12.6  1.6   6506:46
> qemu-kvm 
>  11153 qemu  20   0 9244680   8.1g  13700 S   4.3  1.6  18881:11
> qemu-kvm 
>  12436 qemu  20   0 9292936   8.1g  13712 S   3.3  1.6  21071:56
> qemu-kvm 
>   5517 qemu  20   0 9128268   8.1g  14084 S   3.0  1.6   5801:03
> qemu-kvm 
>  11764 qemu  20   0 9185364   8.1g  13720 S   3.0  1.6  10585:14
> qemu-kvm 
>   7938 qemu  20   0 9252876   8.1g  13744 S   2.6  1.6  21912:46
> qemu-kvm 
>  12791 qemu  20   0 9182292   8.1g  14140 S   2.6  1.6  17299:36
> qemu-kvm 
>   4602 vdsm   0 -20 4803160  114132  13860 S   2.3  0.0 
>   2123:45
> vdsmd
>   7621 qemu  20   0 9187424   4.8g  14264 S   2.3  1.0   3114:25
> qemu-kvm 
>  12066 qemu  20   0 9188436   8.1g  13708 S   2.3  1.6  10629:53
> qemu-kvm 
> 135526 qemu  20   0 9298060   8.1g  13664 S   2.0  1.6   5792:05
> qemu-kvm 
>   6587 qemu  20   0 4883036   4.1g  13744 S   1.3  0.8   2334:54
> qemu-kvm 
>   3814 root  20   0 1450200   25096  14208 S   1.0  0.0 
> 368:03.80
> libvirtd 
>   6902 qemu  20   0 9110480   8.0g  13580 S   1.0  1.6   1787:57
> qemu-kvm 
>   7249 qemu  20   0 4913084   1.6g  13712 S   0.7  0.3   1367:32
> qemu-kvm 
> 
> 
> It looks like it's only in oVirt-engine that there's an issue. The host
> seems happy enough.
> 
> /tony
> 
> 
> 
> On Mon, 2018-12-10 at 20:14 -0600, Darrell Budic wrote:
>> Grab a shell on your hosts and check top memory use quick. Could be
>> VDSMD, in which case restarting the process will give you a temp fix.
>> If you’re running hyperconvered, check your gluster version, there
>> was a leak in versions 3.12.7 - 3.1.12 or so, updating ovirt/gluster
>> is the best fix for that.
>> 
>>> On Dec 10, 2018, at 7:36 AM, Tony Brian Albers  wrote:
>>> 
>>> Hi guys,
>>> 
>>> We have a small test installation here running around 30 vms on 2
>>> hosts.
>>> 
>>> oVirt 4.2.5.3
>>> 
>>> The hosts each have 512 GB memory, and the vms are sized with 4-8
>>> GB
>>> each.
>>> 
>>> I have noticed that over the last months, the memory usage in the
>>> dashboard has been increasing and is now showing 946.8 GB used of
>>> 1007.2 GB.
>>> 
>>> What can be causing this?
>>> 
>>> TIA,
>>> 
>>> -- 
>>> -- 
>>> Tony Albers
>>> Systems Architect
>>> Systems Director, National Cultural Heritage Cluster
>>> Royal Danish Library, Victor Albecks Vej 1, 8000 Aarhus C, Denmark.
>>> Tel: +45 2566 2383 / +45 8946 2316
>>> ___
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>> 
>> 
> -- 
> Tony Albers
> Systems Architect
> Systems Director, National Cultural Heritage Cluster
> Royal Danish Library, Victor Albecks Vej 1, 8000 Aarhus C, Denmark.
> Tel: +45 2566 2383  / +45 8946 2316 
> 
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[ovirt-users] Re: oVirt Nested Virtualization

[Markus Schaufler]

I see - thanks!
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[ovirt-users] Re: oVirt Nested Virtualization

[Gianluca Cecchi]

On Tue, Dec 11, 2018 at 3:29 PM Markus Schaufler <
markus.schauf...@digit-all.at> wrote:

> Centos 7.5, ovirt 4.2.7
> it works when pinpointing the vm's to a host and enable cpu-passthrough.
> but i presume it should work without this workaround too.
> ___
>
>
If I remember correctly there is no support/consistence for the L2 systems,
that are guests inside an L1 system that is migrated.
So perhaps this limitation drove to force host pinning and prevent having
unpredictable results for L2 guests
See also here:
https://www.linux-kvm.org/page/Nested_Guests

HIH,
Gianluca
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[ovirt-users] Re: oVirt Nested Virtualization

[Markus Schaufler]

Centos 7.5, ovirt 4.2.7 
it works when pinpointing the vm's to a host and enable cpu-passthrough. 
but i presume it should work without this workaround too. 
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[ovirt-users] [ANN] oVirt 4.2.8 Second Release Candidate is now available

[Sandro Bonazzola]

The oVirt Project is pleased to announce the availability of the oVirt
4.2.8 Second Release Candidate, as of December 11th, 2018.

This update is a release candidate of the eighth in a series of
stabilization updates to the 4.2
series.
This is pre-release software. This pre-release should not to be used in
production.

This release is available now for:
* Red Hat Enterprise Linux 7.6 or later
* CentOS Linux (or similar) 7.6 or later

This release supports Hypervisor Hosts running:
* Red Hat Enterprise Linux 7.6 or later
* CentOS Linux (or similar) 7.6 or later

See the release notes [1] for installation / upgrade instructions and
a list of new features and bugs fixed.

Notes:
- oVirt Appliance is available
- oVirt Node will be available soon due to build issues causing a delay [2]

Additional Resources:
* Read more about the oVirt 4.2.8 release highlights:
http://www.ovirt.org/release/4.2.8/
* Get more oVirt Project updates on Twitter: https://twitter.com/ovirt
* Check out the latest project news on the oVirt blog:
http://www.ovirt.org/blog/

[1] http://www.ovirt.org/release/4.2.8/
[2] http://resources.ovirt.org/pub/ovirt-4.2-pre/iso/

-- 

SANDRO BONAZZOLA

MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV

Red Hat EMEA 

sbona...@redhat.com

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[ovirt-users] Re: oVirt Nested Virtualization

[Gianluca Cecchi]

On Tue, Dec 11, 2018 at 2:09 PM Markus Schaufler <
markus.schauf...@digit-all.at> wrote:

> On the three VMs for the HCI rollout:
>
> virt-host-validate
>   QEMU: Checking for hardware virtualization
>: FAIL (Only emulated CPUs are available, performance will be
> significantly limited)
>
>

What is your L0 platform, so your used virtualization platform used on
physical host(s)?


> [root@hci1 ~]#  cat /sys/module/kvm_intel/parameters/nested
> cat: /sys/module/kvm_intel/parameters/nested: No such file or directory
> [root@hci1 ~]# modprobe kvm_intel
> modprobe: ERROR: could not insert 'kvm_intel': Operation not supported
> ___
>
>
Can you resemble your L0 OS/ virtualization sw and L1 OS too?

Gianluca
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[ovirt-users] Re: oVirt Nested Virtualization

[Markus Schaufler]

On the three VMs for the HCI rollout: 

virt-host-validate
  QEMU: Checking for hardware virtualization : 
FAIL (Only emulated CPUs are available, performance will be significantly 
limited)
  QEMU: Checking if device /dev/vhost-net exists : 
PASS
  QEMU: Checking if device /dev/net/tun exists   : 
PASS
  QEMU: Checking for cgroup 'memory' controller support  : 
PASS
  QEMU: Checking for cgroup 'memory' controller mount-point  : 
PASS
  QEMU: Checking for cgroup 'cpu' controller support : 
PASS
  QEMU: Checking for cgroup 'cpu' controller mount-point : 
PASS
  QEMU: Checking for cgroup 'cpuacct' controller support : 
PASS
  QEMU: Checking for cgroup 'cpuacct' controller mount-point : 
PASS
  QEMU: Checking for cgroup 'cpuset' controller support  : 
PASS
  QEMU: Checking for cgroup 'cpuset' controller mount-point  : 
PASS
  QEMU: Checking for cgroup 'devices' controller support : 
PASS
  QEMU: Checking for cgroup 'devices' controller mount-point : 
PASS
  QEMU: Checking for cgroup 'blkio' controller support   : 
PASS
  QEMU: Checking for cgroup 'blkio' controller mount-point   : 
PASS
WARN (Unknown if this platform has IOMMU support)
   LXC: Checking for Linux >= 2.6.26 : 
PASS
   LXC: Checking for namespace ipc   : 
PASS
   LXC: Checking for namespace mnt   : 
PASS
   LXC: Checking for namespace pid   : 
PASS
   LXC: Checking for namespace uts   : 
PASS
   LXC: Checking for namespace net   : 
PASS
   LXC: Checking for namespace user  : 
PASS
   LXC: Checking for cgroup 'memory' controller support  : 
PASS
   LXC: Checking for cgroup 'memory' controller mount-point  : 
PASS
   LXC: Checking for cgroup 'cpu' controller support : 
PASS
   LXC: Checking for cgroup 'cpu' controller mount-point : 
PASS
   LXC: Checking for cgroup 'cpuacct' controller support : 
PASS
   LXC: Checking for cgroup 'cpuacct' controller mount-point : 
PASS
   LXC: Checking for cgroup 'cpuset' controller support  : 
PASS
   LXC: Checking for cgroup 'cpuset' controller mount-point  : 
PASS
   LXC: Checking for cgroup 'devices' controller support : 
PASS
   LXC: Checking for cgroup 'devices' controller mount-point : 
PASS
   LXC: Checking for cgroup 'blkio' controller support   : 
PASS
   LXC: Checking for cgroup 'blkio' controller mount-point   : 
PASS
   LXC: Checking if device /sys/fs/fuse/connections exists   : 
FAIL (Load the 'fuse' module to enable /proc/ overrides)
[root@hci1 ~]#  cat /sys/module/kvm_intel/parameters/nested
cat: /sys/module/kvm_intel/parameters/nested: No such file or directory
[root@hci1 ~]# modprobe kvm_intel
modprobe: ERROR: could not insert 'kvm_intel': Operation not supported
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[ovirt-users] Re: Need to Install Stable Ovirt System for Launching VM for our production Environment

[Hemant Gupta]

Hi  Great Community,

Can anyone please help while adding Ovirt node having below issues:

ed-Thread-35) [5221dcba] Command 
'org.ovirt.engine.core.bll.provider.network.SyncNetworkProviderCommand' failed: 
EngineException: (Failed with 
error unable to find valid certification path to requested target and code 5050)
2018-12-11 18:19:40,551+05 INFO  
[org.ovirt.engine.core.bll.provider.network.SyncNetworkProviderCommand] 
(EE-ManagedThreadFactory-engineSchedul
ed-Thread-35) [5221dcba] Lock freed to object 
'EngineLock:{exclusiveLocks='[3b5faef7-e0f5-4995-934e-0d681c253d8f=PROVIDER]', 
sharedLocks=''}'
2018-12-11 18:20:57,313+05 ERROR 
[org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] 
(EE-ManagedThreadFactory-engineSchedule
d-Thread-95) [] EVENT_ID: VDS_BROKER_COMMAND_FAILURE(10,802), VDSM Host1 
command Get Host Capabilities failed: Message timeout which can be cau
sed by communication issues
2018-12-11 18:20:57,402+05 ERROR 
[org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring] 
(EE-ManagedThreadFactory-engineScheduled-Thread-95
) [] Unable to RefreshCapabilities: VDSNetworkException: VDSGenericException: 
VDSNetworkException: Message timeout which can be caused by commu
nication issues
2018-12-11 18:21:08,358+05 ERROR 
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand] 
(EE-ManagedThreadFactory-engineScheduled-T
hread-3) [] Command 'GetAllVmStatsVDSCommand(HostName = Host1, 
VdsIdVDSCommandParametersBase:{hostId='1e0bb8d8-5a90-4458-a27f-7121745d9449'})' 
execution failed: VDSGenericException: VDSNetworkException: Message timeout 
which can be caused by communication issues
2018-12-11 18:21:08,358+05 INFO  
[org.ovirt.engine.core.vdsbroker.monitoring.PollVmStatsRefresher] 
(EE-ManagedThreadFactory-engineScheduled-Thr
ead-3) [] Failed to fetch vms info for host 'Host1' - skipping VMs monitoring.
2018-12-11 18:24:20,361+05 ERROR 
[org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] 
(EE-ManagedThreadFactory-engineSchedule
d-Thread-89) [] EVENT_ID: VDS_BROKER_COMMAND_FAILURE(10,802), VDSM Host1 
command Get Host Capabilities failed: Message timeout which can be cau
sed by communication issues


While adding Ovirt node host to Ovirt engine
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[ovirt-users] oVirt Nested Virtualization

[Markus Schaufler]

Hi!

I'd like to try the HCI Rollout 
https://ovirt.org/documentation/gluster-hyperconverged/chap-Deploying_Hyperconverged/
 on my oVirt Infrastructure.
The hosts have "nested virtualization" active, but when starting the Hosted 
Engine deployment from cockpit an the error "Hardware virtualization is not 
supported on this host" occurs. 

cat /sys/module/kvm_intel/parameters/nested
Y

Any ideas on this?
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[ovirt-users] Re: Ovirt Engine UI bug- cannot attache networks to hosts

[Leo David]

Hello,
Any thoughts on these ? Any ideea on how could I fix that bug ?
Thank you !

On Fri, Dec 7, 2018, 15:06 Leo David  Hi Everyone,
> Using self hosted-engine 4.2.7.5-1.el7 running on ovirt-node 4.2.7,  i am
> trying to attache hosts to a newlly created network for gluster/migration
> traffic.
> Oncei click on Networks->gluster-Hosts- Unattached, i get the following
> error:
>
> Uncaught exception occurred. Please try reloading the page. Details:
> (TypeError) : M9(...) is null
> Please have your administrator check the UI logs
>
> So to make the cluster installation possible,  i had to use ovirt 4.2.2
> and manually install ovirt-engine-appliance-4.2-20180626.1.el7 on the nodes
> before deploying self-hosted engine ( version that has other problems,
> like not being able to get dasboards in cloudforms/manageiq -
> ovirt-engine-dwh is missing ).
>
> Is it possible to:
> 1. upgrade actual hosted-engine version to the latest that has this module
> properly installed ?
> 2. fix the latest ( upgraded ) version so i can attach hosts to networks ?
> Thank you very much !
>
> Leo
>
> --
> Best regards, Leo David
>
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[ovirt-users] Re: losing ib0 connection after activating host

[Douglas Duckworth]

THANK YOU SO MUCH!

Thanks,

Douglas Duckworth, MSc, LFCS
HPC System Administrator
Scientific Computing Unit
Weill Cornell Medicine
1300 York Avenue
New York, NY 10065
E: d...@med.cornell.edu
O: 212-746-6305
F: 212-746-8690


On Tue, Dec 11, 2018 at 2:03 AM Dominik Holler 
mailto:dhol...@redhat.com>> wrote:
On Mon, 10 Dec 2018 18:09:40 +
Douglas Duckworth mailto:dod2...@med.cornell.edu>> 
wrote:

> Hi Dominik,
>
> I have added LACP bond network to all hosts and renamed the Hosted Engine 
> using "/usr/share/ovirt-engine/setup/bin/ovirt-engine-rename."
>
> However, I am still missing the option to assign Migration and Management 
> network roles to this new bond.
>
> Can you advise where I can find this option?
>

You cannot assign this role to the host interface directly, but to the
network, which is assigned to the interface, in
"Compute > Clusters > Clustername > Logical Networks > Manage Networks"

> Thanks,
>
> Douglas Duckworth, MSc, LFCS
> HPC System Administrator
> Scientific Computing Unit
> Weill Cornell Medicine
> 1300 York Avenue
> New York, NY 10065
> E: 
> d...@med.cornell.edu>
> O: 212-746-6305
> F: 212-746-8690
>
>
> On Fri, Aug 24, 2018 at 11:52 AM Dominik Holler 
> mailto:dhol...@redhat.com>>>
>  wrote:
> On Fri, 24 Aug 2018 09:46:25 -0400
> Douglas Duckworth 
> mailto:dod2...@med.cornell.edu>>>
>  wrote:
>
> > Sorry, I mean "migration network" for moving live migration traffic.
> >
>
> You have to create a new logical network in
> "Network > Networks > New"
> and assign this to ib0 in
> "Compute > Hosts > hostname > Network Interfaces > Setup Host Networks".
> After this you can assign a role to this network in
> "Compute > Clusters > Clustername > Logical Networks > Manage Networks"
>
>
> > FDR infiniband much faster than 1Gb network which currently acts as
> > migration network, vm network, display network, mgmt network, etc.
> >
> > Thanks,
> >
> > Douglas Duckworth, MSc, LFCS
> > HPC System Administrator
> > Scientific Computing Unit
> > Weill Cornell Medicine
> > 1300 York - LC-502
> > E: 
> > d...@med.cornell.edu>
> > O: 212-746-6305
> > F: 212-746-8690
> >
> >
> > On Fri, Aug 24, 2018 at 9:36 AM, Dominik Holler 
> > mailto:dhol...@redhat.com>>>
> > wrote:
> >
> > > On Thu, 23 Aug 2018 13:51:39 -0400
> > > Douglas Duckworth 
> > > mailto:dod2...@med.cornell.edu>>>
> > >  wrote:
> > >
> > > > THANKS!
> > > >
> > > > ib0 now up with NFS storage back on this hypervisor
> > > >
> > >
> > > Thanks for letting us know.
> > >
> > > > Though how do I make it a transfer network?  I don't see an
> > > > option.
> > >
> > > I do not understand the meaning of "transfer network".
> > > The network interface to use for NFS results from the routing
> > > tables of the host.
> > > In "Compute > Clusters > Clustername > Logical Networks > Manage
> > > Networks" network roles for some kind of loads can be assigned, but
> > > not for NFS access.
> > >
> > >
> > > > Thanks,
> > > >
> > > > Douglas Duckworth, MSc, LFCS
> > > > HPC System Administrator
> > > > Scientific Computing Unit
> > > > Weill Cornell Medicine
> > > > 1300 York - LC-502
> > > > E: 
> > > > d...@med.cornell.edu>
> > > > O: 212-746-6305
> > > > F: 212-746-8690
> > > >
> > > >
> > > > On Thu, Aug 23, 2018 at 11:12 AM, Douglas Duckworth
> > > > mailto:dod2...@med.cornell.edu>>
> > > > > wrote:
> > > >
> > > > > Hi Dominik
> > > > >
> > > > > Yes, the network-script was created by our Ansible role that
> > > > > deploys CentOS hosts.  It pulls the IP from DNS then templates
> > > > > the script and copies to host.
> > > > >
> > > > > I will try this oVirt step then see if it works!
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Douglas Duckworth, MSc, LFCS
> > > > > HPC System Administrator
> > > > > Scientific Computing Unit
> > > > > Weill Cornell Medicine
> > > > > 1300 York - LC-502
> > > > > E: 
> > > > > d...@med.cornell.edu>
> > > > > O: 212-746-6305
> > > > > F: 212-746-8690
> > > > >
> > > > >
> > > > > On Thu, Aug 23, 2018 at 11:09 AM, Dominik Holler
> > > > > mailto:dhol...@redhat.com>>>
> > > > >  wrote:
> > > > >
> > > > >> Is ifcfg-ib0 created before adding the host?
> > > > >> Can ib0 be reconfigured using engine, e.g. by
> > > > >> "Compute > Hosts > h

[ovirt-users] Running different minor versions in different clusters?

[Florian Schmid]

Hi,

I want to ask, if this is a supported Environment, 
when I have for example the latest 4.2 version running on engine and all hosts 
in a cluster have an earlier release of 4.2 running?

Example:
- ovirt engine: 4.2.7
- hosts in cluster A: 4.2.5
- hosts in cluster B: 4.2.7

The engine VM would run in cluster A with the older version.

I ask, because we have a very huge ovirt setup, split into different clusters.
In one cluster, I would like to have always the latest version and in the 
others, the upgrade will be done in bigger time-intervals.

LG Florian Schmid
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[ovirt-users] Re: Install additional software on ovirt node

[Luca 'remix_tj' Lorenzetto]

Hello Stefan,

the software installed via yum should remain the same after upgrade,
as stated here:

https://ovirt.org/develop/release-management/features/node/node-next-persistence/

Luca
On Tue, Dec 11, 2018 at 1:12 PM Stefan Wolf  wrote:
>
> Hello,
>
> if I install on an ovirt node additional software, will it removed after 
> updating the ovirt node or run in to trouble?
>
> thx shb
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Install additional software on ovirt node

[Stefan Wolf]

Hello,

if I install on an ovirt node additional software, will it removed after
updating the ovirt node or run in to trouble?

thx shb
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[ovirt-users] Re: Network Setup after ovirt node Install and before add node to cluster

[Yedidyah Bar David]

On Mon, Dec 10, 2018 at 10:56 AM Eitan Raviv  wrote:
>
> Ran into the same issue with oVirt Node 4.2.7.1 when installing as a
> virtual guest.
> Didi,
> Can you point us in the right direction?

Sorry, I didn't try this myself recently and not sure about the details.

Obviously it should all be automatic.

Adding Simone.

I suggest to open a bug about this and attach relevant logs
(hosted-engine-setup logs, engine (and engine-setup) logs, vdsm, etc).

Best regards,

>
> Thanks
> On Mon, Dec 10, 2018 at 2:23 AM Vincent Royer  wrote:
> >
> > This happened to me too.
> >
> > The NIC doesn't come "up" on the first boot, even though it was initiated 
> > during the setup. DHCP or static makes no difference to this situation. 
> > iirc I used nmtui to bring the interface up and verify the hostname.  Can't 
> > do it in cockpit without the interface being up...
> >
> > Once you're in the engine you can initialize and add the rest of the 
> > required nics.
> >
> > I'm not sure if this is as designed or a bug, but it last happened to me on 
> > 4.2.5, and was the same process on my 3 hosts.
> >
> >
> > On Sun, Dec 9, 2018 at 12:14 AM Eitan Raviv  wrote:
> >>
> >> On Thu, Dec 6, 2018 at 7:10 PM Stefan Wolf  wrote:
> >> >
> >> > Hello,
> >> >
> >> >
> >> >
> >> > I ve downloaded an installed OVIRT NODE 4.2.7.1.
> >> >
> >> > During the installation I ‘ve setup a static ip (I ‘ve also tried dhcp, 
> >> > both work)
> >> >
> >>
> >> how did you setup the static ip? did you use Cockpit?
> >>
> >>
> >> > The installation passes and after the reboot ovirt node starts without 
> >> > any problems.
> >> >
> >> > BUT the network is not configured.
> >>
> >> what do you mean by 'network is not configured'? the static IP is not
> >> assigned to your selected NIC or sth else?
> >>
> >>
> >> >
> >> > I know 
> >> > https://www.ovirt.org/documentation/install-guide/chap-oVirt_Nodes/ and  
> >> > I know
> >> >
> >> > https://www.ovirt.org/documentation/admin-guide/chap-Hosts/
> >> >
> >> >
> >> >
> >> > and now I am between these two documents
> >> >
> >> > oVirt is installed but network is not configured to add it to datacenter
> >> >
> >> >
> >> >
> >> > of course I know the scripts under /etc/sysconfig/network-scripts
> >> >
> >> > do I really have do edit it manuel?
> >> >
> >> >
> >> >
> >> > if I change ip in command line
> >> >
> >> > ip a add … dev..
> >> >
> >> > and ip route add …
> >> >
> >> > it fails to add node to datacenter
> >> >
> >> >
> >> >
> >> > - with one of the last version I ‘ve added the IP address in bash
> >> >
> >> > - added the host to datacenter,
> >> >
> >> > - after reboot readd the ip address in bash after reboot
> >> >
> >> > - an then I could change network settings in oVirt Manger
> >> >
> >> >
> >> >
> >> > What is best practices for adding a node to datacenter when the ip 
> >> > address is not assigned after installation
> >> >
> >> >
> >> >
> >> > Thx shb
> >> >
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-- 
Didi
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