[ovirt-users] Re: What is the status of the whole Ovirt Project?

[Volenbovskyi, Konstantin via Users]

Hi,
We switched from Gluster to NFS provided by SAN array: maybe it was matter of 
combination of factors (configuration/version/whatever),
but it was unstable for us.
SPICE/QXL in RHEL 9: yeah, I understand that for some people it is important (I 
saw that someone is doing some forks whatever)

I think that ovirt 4.5 (nightly build __) might be OK for some time, but I 
think that alternatives are:
-OpenStack for larger setups (but be careful with distribution -as I remember 
Red Hat abandons TripleO and introduces OpenShift stuff for installation of 
OpenStack)
-ProxMox and CloudStack for all sizes.
-Maybe XCP-ng + (paid?) XenOrchestra, but I trust KVM/QEMU more than Xen __
OpenShift Virtualization/OKD Virtualization - I don't know...
Actually might be good if someone specifically comments on going from ovirt to 
OpenShift Virtualization/OKD Virtualization.

Not sure if this statement below https://news.ycombinator.com/item?id=32832999 
is still correct and what exactly are the consequences of 'OpenShift 
Virtualization is just to give a path/time to migrate to containers'
"The whole purpose behind OpenShift Virtualization is to aid in organization 
modernization as a way to consolidate workloads onto a single platform while 
giving app dev time to migrate their work to containers and microservice based 
deployments."



BR,
Konstantin

Am 13.07.23, 09:10 schrieb "Alex McWhirter" mailto:a...@triadic.us>>:


We still have a few oVirt and RHV installs kicking around, but between
this and some core features we use being removed from el8/9 (gluster,
spice / qxl, and probably others soon at this rate) we've heavily been
shifting gears away from both Red Hat and oVirt. Not to mention the
recent drama...


In the past we toyed around with the idea of helping maintain oVirt, but
with the list of things we'd need to support growing beyond oVirt and
into other bits as well, we aren't equipped to fight on multiple fronts
so to speak.


For the moment we've found a home with SUSE / Apache CloudStack, and
when el7 EOL's that's likely going to be our entire stack moving
forward.


On 2023-07-13 02:21, eshwa...@gmail.com  wrote:
> I am beginning to have very similar thoughts. It's working fine for
> me now, but at some point something big is going to break. I already
> have VMWare running, and in fact, my two ESXi nodes have the exact
> same hardware as my two KVM nodes. Would be simple to do, but I
> really don't want to go just yet. At the same time, I don't want to
> be the last person turning off the lights. Difficult times.
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[ovirt-users] Re: ovirt 4.5.4 deploy self-hosted engine

[Volenbovskyi, Konstantin via Users]

Hi,
I gave certain pointers in 
https://www.mail-archive.com/users@ovirt.org/msg72371.html , but the person who 
wrote initial question haven’t provided any updates

Several thoughts around that:

  1.  you had several attempts (log file you attached contains attempts from 
4th of July and below events are from 5th of July) and somehow I think that in 
attempt below you haven’t specified amount of vCPUs and it took the value ‘max’
| he_vcpus | max | The amount of CPUs used on the engine VM |

  1.  based on what you see in  https://gitlab.com/libvirt/libvirt/-/issues/324 
I am pretty sure that you 
can disable cgroups v2
and you will be 100% sure that you are dealing with this fault/this might be 
acceptable workaround


  1.  the Libvirt versions specified in the commit addressing that
start with 
v9.0.0
Hmm, so you use CentOS Stream 9 and 
https://mirror.stream.centos.org/9-stream/AppStream/x86_64/os/Packages/ it is 
Libvirt 9.
But maybe Libvirt here comes from ovirt repo?...


BR,
Konstantin


Von: Jorge Visentini 
Datum: Mittwoch, 5. Juli 2023 um 15:59
An: users 
Betreff: [ovirt-users] ovirt 4.5.4 deploy self-hosted engine

Hi.

I'm trying to deploy the engine but I'm having some errors that I couldn't 
identify.
I don't know if it's incompatibility with my hardware or some libvirt bug.

Jul 05 10:06:21 ksmmi1r02ovirt36.kosmo.cloud ansible-async_wrapper.py[690916]: 
690917 still running (48505)
Jul 05 10:06:21 ksmmi1r02ovirt36.kosmo.cloud libvirtd[701878]: Domain id=1 
name='HostedEngineLocal' uuid=922a156c-7f4c-4815-a645-54ed07 794451 is tainted: 
custom-ga-command
Jul 05 10:06:21 ksmmi1r02ovirt36.kosmo.cloud virtlogd[630980]: Client hit max 
requests limit 1. This may result in keep-alive timeouts. Consider tuning the 
max_client_requests server parameter
Jul 05 10:06:22 ksmmi1r02ovirt36.kosmo.cloud libvirtd[701878]: Invalid value 
'-1' for 'cpu.max': Invalid argument
Jul 05 10:06:26 ksmmi1r02ovirt36.kosmo.cloud ansible-async_wrapper.py[690916]: 
690917 still running (48500)
Jul 05 10:06:31 ksmmi1r02ovirt36.kosmo.cloud ansible-async_wrapper.py[690916]: 
690917 still running (48495)
Jul 05 10:06:31 ksmmi1r02ovirt36.kosmo.cloud systemd[1]: 
systemd-timedated.service: Deactivated successfully.
Jul 05 10:06:36 ksmmi1r02ovirt36.kosmo.cloud ansible-async_wrapper.py[690916]: 
690917 still running (48490)
Jul 05 10:06:37 ksmmi1r02ovirt36.kosmo.cloud libvirtd[701878]: Invalid value 
'-1' for 'cpu.max': Invalid argument
Jul 05 10:06:41 ksmmi1r02ovirt36.kosmo.cloud ansible-async_wrapper.py[690916]: 
690917 still running (48485)
Jul 05 10:06:46 ksmmi1r02ovirt36.kosmo.cloud ansible-async_wrapper.py[690916]: 
690917 still running (48480)
Jul 05 10:06:51 ksmmi1r02ovirt36.kosmo.cloud ansible-async_wrapper.py[690916]: 
690917 still running (48475)
Jul 05 10:06:52 ksmmi1r02ovirt36.kosmo.cloud libvirtd[701878]: Invalid value 
'-1' for 'cpu.max': Invalid argument
Jul 05 10:06:56 ksmmi1r02ovirt36.kosmo.cloud ansible-async_wrapper.py[690916]: 
690917 still running (48470)
Jul 05 10:07:01 ksmmi1r02ovirt36.kosmo.cloud ansible-async_wrapper.py[690916]: 
690917 still running (48465)

My config:
CPU: 2 x Intel(R) Xeon(R) Platinum 8276M CPU @ 2.20GHz
Memory: 4TB
Disk: 120GB RAID 1
ISO: ovirt-node-ng-installer-4.5.4-2022120615.el9.iso

Packages:
kernel-5.14.0-202.el9.x86_64
libvirt-8.9.0-2.el9.x86_64
centos-release-ovirt45-9.1-3.el9s.noarch
python3-ovirt-engine-sdk4-4.6.0-1.el9.x86_64
ovirt-imageio-common-2.4.7-1.el9.x86_64
ovirt-imageio-client-2.4.7-1.el9.x86_64
ovirt-openvswitch-ovn-2.15-4.el9.noarch
ovirt-openvswitch-ovn-common-2.15-4.el9.noarch
ovirt-imageio-daemon-2.4.7-1.el9.x86_64
ovirt-openvswitch-ovn-host-2.15-4.el9.noarch
python3-ovirt-setup-lib-1.3.3-1.el9.noarch
ovirt-vmconsole-1.0.9-1.el9.noarch
ovirt-vmconsole-host-1.0.9-1.el9.noarch
ovirt-openvswitch-2.15-4.el9.noarch
python3-ovirt-node-ng-nodectl-4.4.2-1.el9.noarch
ovirt-node-ng-nodectl-4.4.2-1.el9.noarch
ovirt-ansible-collection-3.0.0-1.el9.noarch
ovirt-python-openvswitch-2.15-4.el9.noarch
ovirt-openvswitch-ipsec-2.15-4.el9.noarch
ovirt-hosted-engine-ha-2.5.0-1.el9.noarch
ovirt-provider-ovn-driver-1.2.36-1.el9.noarch
ovirt-host-dependencies-4.5.0-3.el9.x86_64
ovirt-hosted-engine-setup-2.7.0-1.el9.noarch
ovirt-host-4.5.0-3.el9.x86_64
ovirt-release-host-node-4.5.4-1.el9.x86_64
ovirt-node-ng-image-update-placeholder-4.5.4-1.el9.noarch
ovirt-engine-appliance-4.5-20221206125848.1.el9.x86_64

For better understanding, the deploy log is attached.
I appreciate any tips that help me.

Thank you!
--
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Jorge Visentini
+55 55 98432-9868
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[ovirt-users] Re: Processors compatibility matrix oVirt

[Volenbovskyi, Konstantin]

Hi,

virsh -r nodeinfo
CPU model:   x86_64
CPU(s):  112
CPU frequency:   4000 MHz
CPU socket(s):   1
[Konstantin] Actually this is not a fault, because of NUMA cells: 2
Core(s) per socket:  28
Thread(s) per core:  2
NUMA cell(s):2
Memory size: 4144275952 KiB
Same for ‘capabilities’, below doesn’t seem faulty:
  
 
  

vdsm-client Host getCapabilities
"numaNodes": {
"0": {
"cpus": [
[Konstantin] Fault because there is no numaNodes: { 1   …
And it is interesting that CPUs start with 56 for numaNode 0 (compare it with 
NUMA node0 CPU(s) of lscpu)
"cpuSockets": "1",
Fault: "cpuSockets": "1" and not "cpuSockets": "2"
However "cpuThreads": "112" and list in "onlineCpus": is correct.


BR,
Konstantin


Von: Jorge Visentini 
Datum: Mittwoch, 28. Juni 2023 um 15:37
An: "Volenbovskyi, Konstantin" 
Cc: Dean L , "users@ovirt.org" 
Betreff: Re: [ovirt-users] Re: Processors compatibility matrix oVirt

Hi, Konstantin.

Thank you for the fast reply.

On oVirt... New Virtual Machine -> Host -> Configure NUMA is currently disabled 
but I still don't understand why oVirt doesn't identify the 2 sockets.
I'll do some more research and install version 4.5. I am currently using 
version 4.4.10.

Below are the output of the commands:

virsh -r nodeinfo
CPU model:   x86_64
CPU(s):  112
CPU frequency:   4000 MHz
CPU socket(s):   1
Core(s) per socket:  28
Thread(s) per core:  2
NUMA cell(s):2
Memory size: 4144275952 KiB

virsh -r capabilities

  x86_64
  Cascadelake-Server-noTSX
  Intel
  
  
  
 
  

  4144275952
  

vdsm-client Host getCapabilities
 "cpuCores": "56",
"cpuFlags": 
"ds_cpl,epb,aperfmperf,xsaveopt,cx8,cat_l3,smx,x2apic,invpcid_single,mmx,rdseed,est,sse4_2,clwb,umip,apic,ss,ida,pbe,xsavec,sdbg,mca,bmi1,pat,tsc_deadline_timer,sep,lahf_lm,avx,cqm_mbm_local,sse2,hypervisor,pku,sse,ibrs_enhanced,md_clear,nx,aes,msr,invpcid,rep_good,avx2,fxsr,pse36,amd-ssbd,de,ssbd,tsc_adjust,cqm,pae,avx512f,bts,vmx,rdctl-no,dtes64,lm,ospke,fma,mtrr,pdpe1gb,pcid,acpi,movbe,nonstop_tsc,pln,xsaves,amd-stibp,pschange-mc-no,avx512dq,ht,pdcm,cpuid_fault,smep,3dnowprefetch,tsc,avx512vl,xtopology,skip-l1dfl-vmentry,pebs,intel_ppin,flush_l1d,art,popcnt,abm,monitor,arch-capabilities,cpuid,fsgsbase,rdt_a,syscall,bmi2,ssse3,stibp,tsx-ctrl,smap,constant_tsc,sse4_1,erms,cmov,pge,xsave,cx16,ibpb,avx512_vnni,vme,arch_capabilities,nopl,cdp_l3,tm2,dca,invtsc,cqm_mbm_total,rdtscp,xgetbv1,rdrand,adx,cqm_llc,tpr_shadow,pclmulqdq,ept,xtpr,vpid,avx512bw,cqm_occup_llc,ept_ad,pts,mba,pse,tm,dts,clflush,mce,intel_pt,f16c,clflushopt,ibrs-all,arch_perfmon,avx512cd,ibrs,md-clear,mds-no,arat,dtherm,fpu,pni,mpx,vnmi,flexpriority,spec_ctrl,model_SandyBridge-IBRS,model_Nehalem-IBRS,model_Opteron_G2,model_Westmere,model_Skylake-Client-noTSX-IBRS,model_Conroe,model_coreduo,model_qemu64,model_IvyBridge-IBRS,model_Skylake-Server-noTSX-IBRS,model_kvm32,model_pentium3,model_pentium,model_Westmere-IBRS,model_SandyBridge,model_Nehalem,model_Penryn,model_kvm64,model_Haswell-noTSX,model_486,model_Cascadelake-Server-noTSX,model_Opteron_G1,model_core2duo,model_pentium2,model_IvyBridge,model_Broadwell-noTSX-IBRS,model_qemu32,model_n270,model_Haswell-noTSX-IBRS,model_Broadwell-noTSX",
"cpuModel": "Intel(R) Xeon(R) Platinum 8276M CPU @ 2.20GHz",
"cpuSockets": "1",
"cpuSpeed": "4000.000",
"cpuThreads": "112",
"numaNodes": {
"0": {
"cpus": [
56,
57,
.,
.,
110,
111
],
"hugepages": {},
"totalMemory": "2023136"
}
},
"onlineCpus": 
"0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111"

BR.

Em qua., 28 de jun. de 2023 às 05:46, Volenbovskyi, Konstantin 
mailto:konstantin.volenbovs...@haufe.com>> 
escreveu:
Hi,
could you check
sudo vdsm-client Host getCapabilities
virsh nodeinfo
virsh capabilities

and possibly see the issue?
By the way most likely I think you will see CPU socket(s):   1 in virsh 
nodeinfo, but with NUMA cell(s):2
(that will be OK)

BR,
Konstantin

Von: Jorge Visentini mailto:jorgevisent...@gmail.com>>
Datum: Dienstag, 27. Juni 2023 um 18:50
An: Dean L mailto:d..

[ovirt-users] Re: Processors compatibility matrix oVirt

[Volenbovskyi, Konstantin]

Hi,
could you check
sudo vdsm-client Host getCapabilities
virsh nodeinfo
virsh capabilities

and possibly see the issue?
By the way most likely I think you will see CPU socket(s):   1 in virsh 
nodeinfo, but with NUMA cell(s):2
(that will be OK)

BR,
Konstantin

Von: Jorge Visentini 
Datum: Dienstag, 27. Juni 2023 um 18:50
An: Dean L 
Cc: "users@ovirt.org" 
Betreff: [ovirt-users] Re: Processors compatibility matrix oVirt

Sorry, I mentioned it wrong. The engine VM is ok. What happens is that the 
lscpu output of the physical host is different from the host information in 
oVirt.


lscpu:
CPU(s):  112
On-line CPU(s) list: 0-111
Thread(s) per core:  2
Core(s) per socket:  28
Socket(s):   2
NUMA node(s):2
Vendor ID:   GenuineIntel
BIOS Vendor ID:  Intel(R) Corporation
CPU family:  6
Model:   85
Model name:  Intel(R) Xeon(R) Platinum 8276M CPU @ 2.20GHz

Ovirt -> Compute -> Hosts:
CPU Model Name: Intel(R) Xeon(R) Platinum 8276M CPU @ 2.20GHz
CPU Type: Secure Intel Cascadelake Server Family
CPU Sockets: 1
CPU Cores per Socket: 56
CPU Threads per Core: 2 (SMT Enabled)
TSC Frequency: 219000 (scaling enabled)



Em ter., 27 de jun. de 2023 às 12:22, Dean L via Users 
mailto:users@ovirt.org>> escreveu:
Jorge,

Your 8276 processor belongs to the former Cascade Lake Family (server), which 
is supported by oVirt (listed as Intel Cascadelake Server Family).

For CPU requirements see: 
https://www.ovirt.org/documentation/installing_ovirt_as_a_standalone_manager_with_remote_databases/#CPU_Requirements_SM_remoteDB_deploy

In Linux, you can see the number of sockets with: grep "physical id"  
/proc/cpuinfo | sort -u | wc -l

Not sure how you installed your oVirt engine, but with hosted-engine, oVirt 
installs with 1 virtual socket and in advanced options can be change to 2 or 4.

Cheers!

... Dean
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[ovirt-users] Re: Unable to enable HPET component of an specific VM in oVirt 4.7

[Volenbovskyi, Konstantin]

Hi,
I don't think that anyone should modify database of ovengine and especially in 
cases like that.
As I said, try to do something with VDSM hooks
(but I personally won't be able to reply on questions related to that 
functionality)

BR,
Konstantin

Am 02.06.23, 14:43 schrieb "ricard...@gmail.com " 
mailto:ricard...@gmail.com>>:


Thanks for the quick reply,
True, I got confused, the version I wanted to say is 4.4.7
Could you give me some idea of how to access and modify the database? this is 
something new for me.
I have tried this on Engine but I am very lost.
[root@ovirt ~]# su - postgres
[postgres@ovirt ~]$ psql
[postgres=# select hpet from vm_static where vm_name='VM_NAME';
ERROR: relation "vm_static" does not exist
LINE 1: select hpet from vm_static where vm_name='VM_NAME';


Thank you very much again.
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[ovirt-users] Re: Unable to enable HPET component of an specific VM in oVirt 4.7

[Volenbovskyi, Konstantin]

Hi,
there is no ovirt 4.7, the latest (and it could be the last ☹) version of ovirt 
is 4.5. Probably you mean 4.4.7?
Probably enabling HPET is not needed so often, so I guess it is just a missing 
feature of ovirt.

Anyway, replying on your question - it is wrong to modify Libvirt XML, the 
source of truth is pretty much database in ovengine.
You might consider VDSM hook:
https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/administration_guide/appe-vdsm_and_hooks
(but I don't know a lot about VDSM hooks myself)

BR,
Konstantin


Am 02.06.23, 07:35 schrieb "ricard...@gmail.com " 
mailto:ricard...@gmail.com>>:


Hello community members,


I'm currently using oVirt 4.7 as my virtualization environment, and I'm facing 
an issue with enabling the HPET (High Precision Event Timer) component in the 
XML configuration file of virtual machine (VM).


Upon inspecting the XML file, I noticed that the `` line is missing, indicating that the HPET component is disabled.


Here are the steps I have taken so far:


1. I verified that the VM's XML configuration file does not include the `` line.


2. While the VM was powered on, I used the following command to edit the XML 
configuration file:
```
virsh edit VM_NAME
```
I added the `` line to the XML file. However, 
the changes did not persist after restarting the VM.


To provide additional information, on the host where oVirt is running, the 
available clock sources can be viewed by executing the following command:
```
cat /sys/devices/system/clocksource/clocksource0/available_clocksource
```
The output shows the available clock sources, such as `tsc`, `hpet`, and 
`acpi_pm`.


To resolve the authentication issue with the `virsh` command, I created a user 
with appropriate privileges using the following command:
```
sudo saslpasswd2 -a libvirt USERNAME
```
After creating the user, I was able to authenticate successfully with the 
`virsh` command using the newly created credentials.


However, I'm unable to find an option to add the HPET parameter in the web 
console of oVirt. It seems that the option to configure HPET is not available 
in the web console.


Has anyone else encountered a similar issue in oVirt 4.7? Could you please 
provide guidance or suggest a solution to enable the HPET component in the XML 
configuration file of a powered-off VM in oVirt 4.7? Any insights, experiences, 
or suggestions would be greatly appreciated.


Thank you in advance for your assistance!


Best regards,
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[ovirt-users] Re: NIC Ordering

[Volenbovskyi, Konstantin]

Hi,
the situation is significantly different in case you say that Foreman is not 
deterministic in supplying NICs via API.
So all this determinism in ‘first interface gets lowest MAC/lowest PCI’ is not 
helpful because you essential don’t know which interface becomes the first one.
In fact, I am not sure if your OS uses ‘lowest PCI’ or ‘lowest MAC’ for 
ordering, I think that ‘lowest PCI’ is much more widespread.

A few ideas:
-I think that slightly more elegant: maybe the idea is to 
create VM with first NIC, then add second NIC and then start your VM?
-I am not sure what is your OS, but udev rules is a powerful mechanism to 
control NIC assignment.
In case you say that behaviour of Foreman can’t be addressed – you might change 
MTU by 1 byte for certain network (1499) then use this attribute to find that 
NIC
ATTR{mtu} or modify creation of VM to create one vNIC with link state=down and 
then use ATTR{operstate}

BR,
Konstantin

Von: Alan G 
Datum: Mittwoch, 24. Mai 2023 um 15:46
An: "Volenbovskyi, Konstantin" 
Cc: Guillaume Pavese , users 

Betreff: [ovirt-users] Re: NIC Ordering

Perhaps it's more of a Foreman/API limitation.

In Foreman I provision two interfaces, that in the Foreman UI at least, have an 
ordering. Sometimes when they are provisioned in oVirt the "second" interface 
has a lower MAC than the "first" interface and so the ordering in Foreman is 
different to the ordering in oVIrt.

This breaks a bunch of stuff that relies on the networks being on specific 
interface (eth0, eth1).



 On Wed, 24 May 2023 14:09:33 +0100 Volenbovskyi, Konstantin 
 wrote ---

Hi,
Do I understand it correctly that:
-your OS uses PCI addresses to order NICSs?
-PCI addresses of NICs are in fact non-consistent between VMs?
So you boot VM1 (with NICs vNIC1 and vNIC2) and VM2 (vNIC3 and vNIC4) with same 
order in eg. API (->GUI) and you sometimes see different PCI addresses (vNIC2 
has higher PCI address than vNIC1; however vNIC3 has higher PCI address than 
vNIC4)? I am surprised about that…

BR,
Konstantin

Von: Alan G mailto:alan+ov...@griff.me.uk>>
Datum: Mittwoch, 24. Mai 2023 um 10:50
An: Guillaume Pavese 
mailto:guillaume.pav...@interactiv-group.com>>
Cc: users mailto:users@ovirt.org>>
Betreff: [ovirt-users] Re: NIC Ordering

I don't create the VMs directly in the UI but use the API with Foreman. If I 
change the MACs on the NICs I have to go back and update Foreman as well.

My workaround today is unplug the NIC I want to be second, briefly power-up the 
VM so the "first" NIC gets assigned a PCI address, shutdown and re-plug the 
"second" NIC. On power-up the "second" NIC will be assigned a later PCI address 
and so achieve the ordering I want.

It's just fiddly and can only be done on first boot. I was hoping for a more 
elegant solution that works when you have large numbers of VMs to provision.



 On Wed, 24 May 2023 08:09:21 +0100 Guillaume Pavese 
mailto:guillaume.pav...@interactiv-group.com>>
 wrote ---

I think it depends on the mac addresses.
If you see that the MAC addresses are not sequential, delete the NICs and 
recreate them in the order you want them to be
it world for us


Guillaume Pavese
Ingénieur Système et Réseau
Interactiv-Group


On Wed, May 24, 2023 at 1:46 AM Alan G 
mailto:alan%2bov...@griff.me.uk>> wrote:



Ce message et toutes les pièces jointes (ci-après le “message”) sont établis à 
l’intention exclusive de ses destinataires et sont confidentiels. Si vous 
recevez ce message par erreur, merci de le détruire et d’en avertir 
immédiatement l’expéditeur. Toute utilisation de ce message non conforme a sa 
destination, toute diffusion ou toute publication, totale ou partielle, est 
interdite, sauf autorisation expresse. L’internet ne permettant pas d’assurer 
l’intégrité de ce message . Interactiv-group (et ses filiales) décline(nt) 
toute responsabilité au titre de ce message, dans l’hypothèse ou il aurait été 
modifié. IT, ES, UK. <https://interactiv-group.com/disclaimer.html>

Is there any way to enforce NIC ordering so the vNICs match the ordering in the 
Engine UI?

I found this but not clear if it was ever implemented?

https://www.ovirt.org/develop/release-management/features/network/predictable-vnic-order.html


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[ovirt-users] Re: NIC Ordering

[Volenbovskyi, Konstantin]

Hi,
Do I understand it correctly that:
-your OS uses PCI addresses to order NICSs?
-PCI addresses of NICs are in fact non-consistent between VMs?
So you boot VM1 (with NICs vNIC1 and vNIC2) and VM2 (vNIC3 and vNIC4) with same 
order in eg. API (->GUI) and you sometimes see different PCI addresses (vNIC2 
has higher PCI address than vNIC1; however vNIC3 has higher PCI address than 
vNIC4)? I am surprised about that…

BR,
Konstantin

Von: Alan G 
Datum: Mittwoch, 24. Mai 2023 um 10:50
An: Guillaume Pavese 
Cc: users 
Betreff: [ovirt-users] Re: NIC Ordering

I don't create the VMs directly in the UI but use the API with Foreman. If I 
change the MACs on the NICs I have to go back and update Foreman as well.

My workaround today is unplug the NIC I want to be second, briefly power-up the 
VM so the "first" NIC gets assigned a PCI address, shutdown and re-plug the 
"second" NIC. On power-up the "second" NIC will be assigned a later PCI address 
and so achieve the ordering I want.

It's just fiddly and can only be done on first boot. I was hoping for a more 
elegant solution that works when you have large numbers of VMs to provision.



 On Wed, 24 May 2023 08:09:21 +0100 Guillaume Pavese 
 wrote ---

I think it depends on the mac addresses.
If you see that the MAC addresses are not sequential, delete the NICs and 
recreate them in the order you want them to be
it world for us


Guillaume Pavese
Ingénieur Système et Réseau
Interactiv-Group


On Wed, May 24, 2023 at 1:46 AM Alan G 
mailto:alan%2bov...@griff.me.uk>> wrote:



Ce message et toutes les pièces jointes (ci-après le “message”) sont établis à 
l’intention exclusive de ses destinataires et sont confidentiels. Si vous 
recevez ce message par erreur, merci de le détruire et d’en avertir 
immédiatement l’expéditeur. Toute utilisation de ce message non conforme a sa 
destination, toute diffusion ou toute publication, totale ou partielle, est 
interdite, sauf autorisation expresse. L’internet ne permettant pas d’assurer 
l’intégrité de ce message . Interactiv-group (et ses filiales) décline(nt) 
toute responsabilité au titre de ce message, dans l’hypothèse ou il aurait été 
modifié. IT, ES, UK. 

Is there any way to enforce NIC ordering so the vNICs match the ordering in the 
Engine UI?

I found this but not clear if it was ever implemented?

https://www.ovirt.org/develop/release-management/features/network/predictable-vnic-order.html


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[ovirt-users] Re: ovirt node

[Volenbovskyi, Konstantin]

Hi,
It is something like 'IPv4/IPv6 addresses that are result DNS resolution of 
hostname should be identical to interface configuration (ip a)'
My guess would be that DNS server that resolves ovirt.bee.moitel.local doesn't 
have  records.
I think that ovirt 4.5 resolves  it by forcing you to use --4 or --6 for  in 
hosted-engine deploy.
In ovirt 4.4 this is optional, but I think that using --4 in your deployment 
command it might resolve it for you.

Another way forward is to disable IPv6 on your interface.
Check out:
https://github.com/oVirt/ovirt-ansible-collection/blob/master/roles/hosted_engine_setup/tasks/pre_checks/002_validate_hostname_tasks.yml
(this is from master, you can find this file locally on your deployment host in 
case of any doubts regarding ovirt 4.4 version and version in master)

BR,
Konstantin

Am 22.05.23, 07:46 schrieb "skhurtsil...@cellfie.ge 
" mailto:skhurtsil...@cellfie.ge>>:


Hello Guys
I installed oVirt Node 4.4 and I want to deploy Hosted Engine but i get this 
error


[ INFO ] TASK [ovirt.ovirt.hosted_engine_setup : Ensure the resolved address 
resolves only on the selected interface]
[ ERROR ] fatal: [localhost]: FAILED! => {"changed": false, "msg": "hostname 
'ovirt.bee.moitel.local' doesn't uniquely match the interface 'ens192' selected 
for the management bridge; it matches also interface with IP 
['fe80::9a5b:2039:fe49:5252', '192.168.222.1', 'fd00:1234:5678:900::1']. Please 
make sure that the hostname got from the interface for the management network 
resolves only there.\n"}


How can i fix this error?
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[ovirt-users] Re: Patching issue on RHEL 8.7-8.8

[Volenbovskyi, Konstantin]

Hi,
not sure what was the idea of ovirt developers, but current text in 
https://ovirt.org/download/install_on_rhel.html suggests 'RHEL 8.6 exactly' 
rather
than 'RHEL 8.6 or above' and I think there is probably no eg. CI that tested 
RHEL 8.7/RHEL 8.8
Anyway, assuming that you have a test system it might be worth to try upgrading 
to RHEL 8.8
For the problem below it sounds that you should delete 
centos-stream-release-8.6-1.el8.noarch first, then do yum update, then install 
centos-stream-release-8.6-1.el8.noarch with parameters given in the page 
above/given by me below (you probably did that during initial installation)

For me it looks that idea is like this:
-ovirt doesn't actually need centos-stream-release-8.6-1.el8.noarch 
when it is installed on RHEL: as the name suggests 
centos-stream-release-8.6-1.el8.noarch is incompatible with any other 
distribution except CentOS Stream
-in page above the installation of rpm -i --justdb --nodeps --force 
"http://mirror.centos.org/centos/8-stream/BaseOS/$(rpm --eval 
'%_arch')/os/Packages/centos-stream-release-8.6-1.el8.noarch.rpm"
which basically just a patch for ovirt to think that it works on top of CentOS 
stream (that is, --justdb and --nodeps parameters)
I would guess that this patch is only needed during installation of oVengine 
(or, restore from backup/disaster recovery)

BR,
Konstantin

Am 22.05.23, 07:45 schrieb "jamesro...@gmail.com 
" mailto:jamesro...@gmail.com>>:


After applying RHEL updates for the recent upgrade from 8.7 to 8.8, I started 
getting some package problems on my oVirt engine and hosts.
Perhaps someone can help me figure out what is going on.


Environment:
oVirt 4.5.4-1.el8
Stand alone engine - Red Hat Enterprise Linux release 8.7 (Ootpa)
RHEL hosts - Red Hat Enterprise Linux release 8.7 (Ootpa)


# yum update
Updating Subscription Management repositories.
Last metadata expiration check: 3:01:05 ago on Fri 19 May 2023 09:43:55 AM EDT.
Error:
Problem: installed package centos-stream-release-8.6-1.el8.noarch obsoletes 
redhat-release < 9 provided by redhat-release-8.8-0.8.el8.x86_64
- cannot install the best update candidate for package 
redhat-release-8.7-0.3.el8.x86_64
- problem with installed package centos-stream-release-8.6-1.el8.noarch
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use 
not only best candidate packages)


# yum update --nobest
Updating Subscription Management repositories.
Last metadata expiration check: 3:01:25 ago on Fri 19 May 2023 09:43:55 AM EDT.
Dependencies resolved.


Problem: installed package centos-stream-release-8.6-1.el8.noarch obsoletes 
redhat-release < 9 provided by redhat-release-8.8-0.8.el8.x86_64
- cannot install the best update candidate for package 
redhat-release-8.7-0.3.el8.x86_64
- problem with installed package centos-stream-release-8.6-1.el8.noarch
Nothing to do.
Complete!


I've applied the https://ovirt.org/download/install_on_rhel.html 
 suggestions.


When I try to "Install nightly oVirt master snapshot" as suggested, I also get 
an error:


# dnf copr enable -y ovirt/ovirt-master-snapshot centos-stream-8
Updating Subscription Management repositories.
Enabling a Copr repository. Please note that this repository is not part
of the main distribution, and quality may vary.


The Fedora Project does not exercise any power over the contents of
this repository beyond the rules outlined in the Copr FAQ at

 
;>,
and packages are not held to any quality or security level.


Please do not file bug reports about these packages in Fedora
Bugzilla. In case of problems, contact the owner of this repository.
Error: Failed to connect to 
https://copr.fedorainfracloud.org/coprs/ovirt/ovirt-master-snapshot/repo/centos-stream/dnf.repo?arch=8
 
:
 Error
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[ovirt-users] Re: Basic authentication to Rest api not working 4.5.4

[Volenbovskyi, Konstantin]

Hi,

I think that this is because of move to Keycloak 
https://ovirt.org/release/4.5.1/#keycloak-sso-setup-for-ovirt-engine (and 
documents referred in that section will help you)
But yes, I think it is not very explicit in the way that moving to Keycloak 
doesn't necessarily mean removal of basic authentication, but in the context of 
ovirt - it did that.



BR,
Konstantin




Am 16.05.23, 14:58 schrieb "kishorekumar.g...@gmail.com 
 >" mailto:kishorekumar.g...@gmail.com> >>:




Thanks Alexei for the response.




I see httpd configuration is updated to use oauth. I see below configuration 
updated in /etc/httpd/conf.d/internalsso-openidc.conf









AuthType oauth20
Require valid-user





I dont see any release notes about removal of basic authentication in 4.5.x. So 
I wanted to know if this is mentioned anywhere in the documentation.
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[ovirt-users] Re: engine setup fails: error creating bridge interface virbr0: File exists - ?

[Volenbovskyi, Konstantin]

Hi,
maybe you should do
virsh net-undefine default
virsh net-destroy default

And maybe there is some change in Libvirt and ovirt-hosted-engine-cleanup 
doesn’t cleanup default network (which results in virbr0 interface)
(and at the same time this Ansible code is not idempotent)

BR,
Konstantin
P.S. Sorry, I will top-post…

Von: lejeczek via Users 
Antworten an: lejeczek 
Datum: Donnerstag, 11. Mai 2023 um 21:29
An: "users@ovirt.org" 
Betreff: [ovirt-users] Re: engine setup fails: error creating bridge interface 
virbr0: File exists - ?


On 11/05/2023 18:18, Volenbovskyi, Konstantin wrote:
Hi,
Is it actually first attempt to install HE? Or maybe you ran into some 
(different) problem and this is like second (third, fourth…) attempt.
While installation script takes care of some cleanup, I would say that you 
should consider doing
ovirt-hosted-engine-cleanup
,checking that virbr0 is absent in ‘ip a’ output
and trying once again



BR,
Konstantin

Von: lejeczek via Users <mailto:users@ovirt.org>
Antworten an: lejeczek <mailto:pelj...@yahoo.co.uk>
Datum: Donnerstag, 11. Mai 2023 um 13:25
An: "users@ovirt.org"<mailto:users@ovirt.org> 
<mailto:users@ovirt.org>
Betreff: [ovirt-users] engine setup fails: error creating bridge interface 
virbr0: File exists - ?

Hi guys.

I'm trying to setup the engine on the latest stable ovirt node(in a VM), so a 
clean, vanilla-default system.

-> $  hosted-engine --deploy --4
...
[ INFO  ] TASK [ovirt.ovirt.hosted_engine_setup : Activate default libvirt 
network]
[ ERROR ] fatal: [localhost]: FAILED! => {"changed": false, "cmd": ["virsh", 
"net-start", "default"], "delta": "0:00:00.042134", "end": "2023-05-11 
11:08:59.248405", "msg": "non-zero return code", "rc": 1, "start": "2023-05-11 
11:08:59.206271", "stderr": "error: Failed to start network default\nerror: 
error creating bridge interface virbr0: File exists", "stderr_lines": ["error: 
Failed to start network default", "error: error creating bridge interface 
virbr0: File exists"], "stdout": "", "stdout_lines": []}
[ ERROR ] Failed to execute stage 'Closing up': Failed getting local_vm_dir
...

Any & all suggestions on how to fix/troubleshoot this are much appreciated.
many thanks, L.


No, it is a clean install of oVirt node in a KVM guest/VM.
All I do in the node is I configure two ifaces and both are "regular" 
ethernets, then I start HE setup.
Bare-metal host is Centos 9 Stream with everything up-to-dayte off the distro 
repos.
I'd think this should be easily reproducible.

ps. please keep replies to the bottom - this is not a conversion between two of 
us nor any two persons, Mailing to list - think of it a book, which always 
reads top-to-bottom.

many thanks, L.

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[ovirt-users] Re: Failed to read or parse '/etc/pki/ovirt-engine/keys/engine.p12'

[Volenbovskyi, Konstantin]

Hi,
what are 'source' and 'target' ovirt engine versions?
Indeed, update key&certificate on old engine seems as good way forward
It seems that
https://myhomelab.gr/linux/2020/01/20/replacing_ovirt_ssl.html
and/or
https://rhv.bradmin.org/ovirt-engine/docs/Upgrade_Guide/Replacing_SHA-1_Certificates_with_SHA-256_Certificates_4-0_remote_db.html
will solve it for you.


BR,
Konstantin

Am 12.05.23, 12:50 schrieb "Frank Wall" mailto:f...@moov.de>>:


Hi,


I was trying to restore a oVirt Engine Backup into a new Hosted Engine
appliance (as part of an upgrade), but this failed with the following
error:


--== PKI CONFIGURATION ==--
[WARNING] Failed to read or parse
'/etc/pki/ovirt-engine/keys/engine.p12'
Perhaps it was changed since last Setup.
Error was:
Error outputting keys and certificates
80EBCC44677F:error:0308010C:digital envelope
routines:inner_evp_generic_fetch:unsupported:crypto/evp/evp_fetch.c:373:Global
default library context, Algorithm (RC2-40-CBC : 0)


It looks like this is related to openssl requiring legacy mode
to use the old Engine cert/key.


Is there any way to workaround this? Or would it be possible
to repackage the existing PCKS#12 file with new encryption (on
the old Engine)?




Regards
- Frank
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[ovirt-users] Re: engine setup fails: error creating bridge interface virbr0: File exists - ?

[Volenbovskyi, Konstantin]

Hi,
Is it actually first attempt to install HE? Or maybe you ran into some 
(different) problem and this is like second (third, fourth…) attempt.
While installation script takes care of some cleanup, I would say that you 
should consider doing
ovirt-hosted-engine-cleanup
,checking that virbr0 is absent in ‘ip a’ output
and trying once again



BR,
Konstantin

Von: lejeczek via Users 
Antworten an: lejeczek 
Datum: Donnerstag, 11. Mai 2023 um 13:25
An: "users@ovirt.org" 
Betreff: [ovirt-users] engine setup fails: error creating bridge interface 
virbr0: File exists - ?

Hi guys.

I'm trying to setup the engine on the latest stable ovirt node(in a VM), so a 
clean, vanilla-default system.

-> $  hosted-engine --deploy --4
...
[ INFO  ] TASK [ovirt.ovirt.hosted_engine_setup : Activate default libvirt 
network]
[ ERROR ] fatal: [localhost]: FAILED! => {"changed": false, "cmd": ["virsh", 
"net-start", "default"], "delta": "0:00:00.042134", "end": "2023-05-11 
11:08:59.248405", "msg": "non-zero return code", "rc": 1, "start": "2023-05-11 
11:08:59.206271", "stderr": "error: Failed to start network default\nerror: 
error creating bridge interface virbr0: File exists", "stderr_lines": ["error: 
Failed to start network default", "error: error creating bridge interface 
virbr0: File exists"], "stdout": "", "stdout_lines": []}
[ ERROR ] Failed to execute stage 'Closing up': Failed getting local_vm_dir
...

Any & all suggestions on how to fix/troubleshoot this are much appreciated.
many thanks, L.

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[ovirt-users] Re: hosted setup failed with error on 'Initialize lockspace volume'

[Volenbovskyi, Konstantin]

Hi,
Did you follow 
https://www.ovirt.org/develop/troubleshooting-nfs-storage-issues.html ?
In general those are several aspects that would prevent ovengine from writing 
to the directory and in addition to checking it manually
you can use nfs-check.py described over there.

I think the fact that your NFS is over Ceph should be something that is 
'abstracted away' or you might ask yourself - how NFS share implemented by Ceph 
is different from any other NFS share?

BR,
Konstantin

Am 04.05.23, 00:40 schrieb "destfinal--- via Users" mailto:users@ovirt.org>>:


Hi,


I am trying to perform a self hosted ovirt cluster. All goes well and towards 
the end the setup fails at the task


'Initialize lockspace volume'


with the following error message:


{
"attempts":5,
"changed":true,
"cmd":[
"hosted-engine",
"--reinitialize-lockspace",
"--force"
],
"delta":"0:00:00.108243",
"end":"2023-05-03 22:50:53.930482",
"msg":"non-zero return code",
"rc":1,
"start":"2023-05-03 22:50:53.822239",
"stderr":"Traceback (most recent call last):\n File 
\"/usr/lib64/python3.9/runpy.py\", line 197, in _run_module_as_main\n return 
_run_code(code, main_globals, None,\n File \"/usr/lib64/python3.9/runpy.py\", 
line 87, in _run_code\n exec(code, run_globals)\n File 
\"/usr/lib/python3.9/site-packages/ovirt_hosted_engine_setup/reinitialize_lockspace.py\",
 line 30, in \n ha_cli.reset_lockspace(force)\n File 
\"/usr/lib/python3.9/site-packages/ovirt_hosted_engine_ha/client/client.py\", 
line 286, in reset_lockspace\n stats = broker.get_stats_from_storage()\n File 
\"/usr/lib/python3.9/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py\", 
line 148, in get_stats_from_storage\n result = self._proxy.get_stats()\n File 
\"/usr/lib64/python3.9/xmlrpc/client.py\", line 1122, in __call__\n return 
self.__send(self.__name, args)\n File 
\"/usr/lib64/python3.9/xmlrpc/client.py\", line 1464, in __request\n response = 
self.__transport.request(\n File \"/usr/lib64/py
thon3.9/xmlrpc/client.py\", line 1166, in request\n return 
self.single_request(host, handler, request_body, verbose)\n File 
\"/usr/lib64/python3.9/xmlrpc/client.py\", line 1178, in single_request\n 
http_conn = self.send_request(host, handler, request_body, verbose)\n File 
\"/usr/lib64/python3.9/xmlrpc/client.py\", line 1291, in send_request\n 
self.send_content(connection, request_body)\n File 
\"/usr/lib64/python3.9/xmlrpc/client.py\", line 1321, in send_content\n 
connection.endheaders(request_body)\n File 
\"/usr/lib64/python3.9/http/client.py\", line 1280, in endheaders\n 
self._send_output(message_body, encode_chunked=encode_chunked)\n File 
\"/usr/lib64/python3.9/http/client.py\", line 1040, in _send_output\n 
self.send(msg)\n File \"/usr/lib64/python3.9/http/client.py\", line 980, in 
send\n self.connect()\n File 
\"/usr/lib/python3.9/site-packages/ovirt_hosted_engine_ha/lib/unixrpc.py\", 
line 76, in connect\n self.sock.connect(base64.b16decode(self.host
))\nFileNotFoundError: [Errno 2] No such file or directory",
"stderr_lines":[
"Traceback (most recent call last):",
" File \"/usr/lib64/python3.9/runpy.py\", line 197, in _run_module_as_main",
" return _run_code(code, main_globals, None,",
" File \"/usr/lib64/python3.9/runpy.py\", line 87, in _run_code",
" exec(code, run_globals)",
" File 
\"/usr/lib/python3.9/site-packages/ovirt_hosted_engine_setup/reinitialize_lockspace.py\",
 line 30, in ",
" ha_cli.reset_lockspace(force)",
" File 
\"/usr/lib/python3.9/site-packages/ovirt_hosted_engine_ha/client/client.py\", 
line 286, in reset_lockspace",
" stats = broker.get_stats_from_storage()",
" File 
\"/usr/lib/python3.9/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py\", 
line 148, in get_stats_from_storage",
" result = self._proxy.get_stats()",
" File \"/usr/lib64/python3.9/xmlrpc/client.py\", line 1122, in __call__",
" return self.__send(self.__name, args)",
" File \"/usr/lib64/python3.9/xmlrpc/client.py\", line 1464, in __request",
" response = self.__transport.request(",
" File \"/usr/lib64/python3.9/xmlrpc/client.py\", line 1166, in request",
" return self.single_request(host, handler, request_body, verbose)",
" File \"/usr/lib64/python3.9/xmlrpc/client.py\", line 1178, in single_request",
" http_conn = self.send_request(host, handler, request_body, verbose)",
" File \"/usr/lib64/python3.9/xmlrpc/client.py\", line 1291, in send_request",
" self.send_content(connection, request_body)",
" File \"/usr/lib64/python3.9/xmlrpc/client.py\", line 1321, in send_content",
" connection.endheaders(request_body)",
" File \"/usr/lib64/python3.9/http/client.py\", line 1280, in endheaders",
" self._send_output(message_body, encode_chunked=encode_chunked)",
" File \"/usr/lib64/python3.9/http/client.py\", line 1040, in _send_output",
" self.send(msg)",
" File \"/usr/lib64/python3.9/http/client.py\", line 980, in send",
" self.connect()",
" File 
\"/usr/lib/python3.9/site-packages/ovirt_hosted_engine_ha/lib/unixrpc.py\", 
line 76, in connect",
" self.sock.connect(base64.b16decode(

[ovirt-users] Re: ovirt 4.5.4 install failure

[Volenbovskyi, Konstantin]

Hi,
I would say that creation of local VM fails (check out virsh list --all, I 
think you don’t need authentication info at this moment of installation) and 
error is driven by combination of:
OS having some version of Libvirt +that uses cgroups v2 (so RHEL 9 or RHEL 8 
with cgroups v2…). Please provide information on that.
And with that , not specifying number of vCPUs for HE. Try out specifying it.

Maybe-maybe older virt-install passes ‘-1’ and that won’t work for configuring 
number of CPU shares on OS with cgroups v2.
(it should be ‘max’)

There is https://gitlab.com/libvirt/libvirt/-/issues/324, but it is needed to 
understand if it applies here and, if yes, how.

BR,
Konstantin



Von: Selçuk N 
Datum: Dienstag, 2. Mai 2023 um 14:21
An: "users@ovirt.org" 
Betreff: [ovirt-users] ovirt 4.5.4 install failure

Hello all,

I tried to install ovirt 4.5.4 on ovirt node install.


hosted-engine --deploy
After this step installation is stuck.

[ INFO  ] TASK [ovirt.ovirt.hosted_engine_setup : Wait for the host to be up]

I checked the log file and details below.

Apr 20 22:10:18 ovirt3 ansible-async_wrapper.py[41856]: 41857 still running 
(85405)
Apr 20 22:10:19 ovirt3 python3[51367]: ansible-ovirt_host_info Invoked with 
pattern=name=ovirt3.44c.net auth={'token': 
'eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJOTXdyenhDY284eERxZVlLaFRhWG5xblVpV0lFNDVBM2VmRzhXdndTaDVBIn0.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.e47PgAtt_Sj-_4IQ8OIQynAV_AvrOfzalhwi1VJapCQB_sdQqxd0jIH7JGVM1a4TGEJb6E5ffTXBocqQabe5pBPIv4kqsgU1iadyTjjDjZ1elECnahPf6lrze-8hEO92GKFOepGLQ-iu7gRilAknvaXhoc309G1hyQvnP4Q-syffw6Eoo4RmgnLnztnPzsxBtGgkZrzAwFfTNDtdS2uj5lvzzAEIfvDPRFTjJhYwKXSx2hC1lnhXnmv1XEtCfXZZ3qqarXw8GAvOQbe10xklm5UAtu--C8NX32DE6659QtEqk-5g52SdFWIic_OlZ5-obHn3jOllo8qnsb-6mfEn_w',
 'url': 'https://eng.44c.net/ovirt-engine/api', 'ca_file': None, 'insecure': 
True, 'timeout': 0, 'compress': True, 'kerberos': False, 'headers': None, 
'hostname': None, 'username': None, 'password': None} fetch_nested=False 
nested_attributes=[] follow=[] all_content=False cluster_version=None
Apr 20 22:10:22 ovirt3 journal[47971]: Invalid value '-1' for 'cpu.max': 
Invalid argument
Apr 20 22:10:23 ovirt3 sssd_kcm[50811]: Shutting down (status = 0)
Apr 20 22:10:23 ovirt3 systemd[1]: sssd-kcm.service: Deactivated successfully.
Apr 20 22:10:23 ovirt3 ansible-async_wrapper.py[41856]: 41857 still running 
(85400)
Apr 20 22:10:28 ovirt3 ansible-async_wrapper.py[41856]: 41857 still running 
(85395)


What did I did wrong?

Thanks.







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[ovirt-users] Re: oVirt Installation script

[Volenbovskyi, Konstantin]

Hi,
check out https://www.ovirt.org/download/install_on_rhel.html
I am pretty sure that it is part of centos-release-ovirt45 (/or whatever 
dependencies are installed with that)

BR,
Konstantin

Am 13.04.23, 20:49 schrieb "destfinal--- via Users" mailto:users@ovirt.org>>:


Thanks for taking time to respond, Konstantin. But my first problem is, I have 
a vanilla Linux (Rocky 9 in this case). Where from/how would I get the 
'hosted-engine' in the very first place? Is there any package I should install 
to get it?


Thanks
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[ovirt-users] Re: Unable to upload or download iso via admin portal

[Volenbovskyi, Konstantin]

Hi,
I think that you might simply need to restart ovirt-imageio-proxy service 
because it potentially uses the old certificate/different
from the one used by ovirt-engine service.

And in general I would suggest to troubleshoot that using 
https://myhomelab.gr/linux/2020/01/20/replacing_ovirt_ssl.html

You should be able to troubleshoot that using 'curl'/openssl commands: in the 
way that it relies on system trust of root CAs and trying engine URL
vs. image-proxy URL might reveal more information. This might mean that you 
ignore browser (and its own store of certificate/trust settings...), but start 
from point that there is storage of root CAs
and trust exists because HTTPS endpoint provides certificate chain: server 
certificate plus certificate of sub-CAs (if needed) that is ultimately signed 
by root CA that trusted by your system.


BR,
Konstantin

Am 13.04.23, 15:14 schrieb "Igor Filipovic" mailto:igor.filipo...@gmx.com>>:


Hi, I'm having a trouble on fresh 4.4.10.7 installation (on oracle linux), I'm 
not able to upload or download any file using storage domain upload image 
function. I've imported CA certificate and have tried on several browsers 
(firefow, chrome,edge), on different computers (and browsers are green - 
claiming that I'm securely connected), but I'm always getting error regarding 
CA certificate when I test connection, or when I try to upload ISO image. I've 
tried to upload ISO image via cli commands (upload_disk.py), and that scenario 
was successful, however this method It is not very convenient for my co-workers.


I have 5 physical hosts, one is dedicated to run ovirt-engine, and other 4 are 
kvm hypervisors. When I try to upload ISO this is what engine.log logs:


2023-04-08 11:00:28,339+02 INFO 
[org.ovirt.engine.core.bll.storage.disk.image.TransferImageStatusCommand] 
(default task-2) [f6b62add-0a0c-45ee-a985-a76171843382] Running command: 
TransferImageStatusCommand internal: false. Entities affected : ID: 
1eb97088-b805-4616-af55-0ac9d1d7dfbe Type: SystemAction group CREATE_DISK with 
role type USER
2023-04-08 11:00:28,340+02 INFO 
[org.ovirt.engine.core.bll.storage.disk.image.ImageTransferUpdater] (default 
task-2) [f6b62add-0a0c-45ee-a985-a76171843382] Updating image transfer 
a78b18c5-e395-4c29-aa5c-158a1cb6 (image 
4f758325-ac11-4071-a9fa-d180425e8604) phase to Paused by System (message: 'Sent 
0MB')
2023-04-08 11:00:28,363+02 ERROR 
[org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default 
task-2) [f6b62add-0a0c-45ee-a985-a76171843382] EVENT_ID: 
UPLOAD_IMAGE_NETWORK_ERROR(1,062), Unable to upload image to disk 
4f758325-ac11-4071-a9fa-d180425e8604 due to a network error. Ensure 
ovirt-engine's CA certificate is registered as a trusted CA in the browser. The 
certificate can be fetched from 
https://engine-dr.somedomain/ovirt-engine/services/pki-resource?resource=ca-certificate&format=X509-PEM-CA
 

2023-04-08 11:00:28,363+02 INFO 
[org.ovirt.engine.core.bll.storage.disk.image.TransferImageStatusCommand] 
(default task-2) [f6b62add-0a0c-45ee-a985-a76171843382] Running command: 
TransferImageStatusCommand internal: false. Entities affected : ID: 
1eb97088-b805-4616-af55-0ac9d1d7dfbe Type: SystemAction group CREATE_DISK with 
role type USER


Can you please point me in some direction to try to fix this?
Thanks, and best regards
Igor




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[ovirt-users] Re: oVirt Installation script

[Volenbovskyi, Konstantin]

Hi,

hosted-engine (with --deploy parameter) is the installation script that 
triggers Ansible. So it is like Ansible playbook or something that triggers 
several playbooks.

But to begin with you can ignore the fact that under the hood there is Ansible: 
you don't need to write Ansible (eg. playbooks) yourself or
customize it using Ansible YAML vars (that part is abstracted away via 
interactive prompts/potentially you will end up using answer file)
In case you will run into failure when installing HE: then you might be forced 
to troubleshoot it and you will be at a point ' Ansible task <...> failed'

BR,
Konstantin


Am 13.04.23, 15:20 schrieb "destfinal--- via Users" mailto:users@ovirt.org>>:


Hi,


I am trying to install a self-hosted oVirt cluster using this page - 
https://www.ovirt.org/documentation/installing_ovirt_as_a_self-hosted_engine_using_the_command_line
 
.
 Right from the beginning the documentation states "Self-hosted engine 
installation is automated using Ansible" and "installation script" all over. 
But I could not find any link in this regard in this page or elsewhere. Am I 
missing to see it in the doc? Can somebody please help?


Thanks
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[ovirt-users] Re: Q: VNC Certificate Issue with Windows Server 2022 VM

[Volenbovskyi, Konstantin]

Hi,
You need to check whether you use VNC or Spice and check certificates on ovirt 
host(s)
/etc/pki/vdsm/libvirt-vnc/server-cert.pem
/etc/pki/vdsm/libvirt-spice/server-cert.pem
And the idea is that certificate is signed by CA that is trusted by your client 
and is not expired.

Maybe following solutions will be useful : 
https://access.redhat.com/solutions/6978772 and 
https://access.redhat.com/solutions/6859551

BR,
Konstantin

On 07.03.23, 09:39, "Andrei Verovski" mailto:andre...@starlett.lv>> wrote:




Hi,


I have strange issue with certificate trying to connect to Windows Server 2022 
VM with Compute -> Virtual machines -> Console:
Unable to connect to graphic server …console.vv, the certificate is not trusted.


Same issue with Firefox and Chrome.


Anyone knows how to fix this?


Thanks in advance.
Andrei
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[ovirt-users] Re: 4.5.4 Hosted-Engine: change hosted-engine storage

[Volenbovskyi, Konstantin]

Hi,
The problem/problems don't seem to be related to HE storage in any way.
As you don't use OVN I would make sure to remove any parameters in answer files 
that mention 'ovn' or something about external providers (and let ovengine 
setup prompt for any values interactively)
and make sure that none of the networks have that 'external network' checkmark 
with ovn as provider in ovEngine GUI
(but yes, I see that you explicitly said 'I don't have OVN in my dump'...)

For Keycloak probably you see the change described in 
https://www.mail-archive.com/users@ovirt.org/msg70682.html and thus it is 
indeed likely that you need to use OVESETUP_CONFIG/keycloakEnable=bool:False

All in all, there are 3 primary things to think of: backup, answers file and 
ovirt version (and of course things like OS/networking aspects...) and you 
might narrow down the troubleshooting by using some test host and then don't use
backup/adapt or don't use answers file.


BR,
Konstantin


On 17.01.23, 17:29, "Diego Ercolani" mailto:diego.ercol...@ssis.sm>> wrote:


Thank you, I'm currently trying to accomplish what you reported. But I'm 
currently stuck:
I launched this:
hosted-engine --deploy --4 
--restore-from-file=/root/deploy_hosted_engine_230117/230117-scopeall-backup.tar.gz
 
--config-append=/root/deploy_hosted_engine_230117/hosted_engine_deploy.answer.conf
 --ansible-extra-vars=Debug=99 --ansible-extra-vars=pauseonRestore=true 
--ansible-extra-vars=he_pause_before_engine_setup=true 
--otopi-environment="OVESETUP_CONFIG/keycloakEnable=bool:False"


I can install correctly the ovirt-engine locally, it launch the engine-setup 
with the restore of the database but it fails invalidating: 
OVESETUP_OVN/ovirtProviderOvnSecret as is possible to see in the engine under 
/ver/log/ovirt-engine/setup/
[...]
2023-01-17 15:58:05,667+ DEBUG otopi.context context._executeMethod:127 
Stage misc METHOD 
otopi.plugins.ovirt_engine_setup.ovirt_engine.network.ovirtproviderovn.Plugin._misc_configure_provider
2023-01-17 15:58:05,667+ DEBUG otopi.context context._executeMethod:145 
method exception
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/otopi/context.py", line 132, in 
_executeMethod
method['method']()
File 
"/usr/share/ovirt-engine/setup/bin/../plugins/ovirt-engine-setup/ovirt-engine/network/ovirtproviderovn.py",
 line 1124, in _misc_configure_provider
self._configure_ovirt_provider_ovn()
File 
"/usr/share/ovirt-engine/setup/bin/../plugins/ovirt-engine-setup/ovirt-engine/network/ovirtproviderovn.py",
 line 807, in _configure_ovirt_provider_ovn
content = self._create_config_content()
File 
"/usr/share/ovirt-engine/setup/bin/../plugins/ovirt-engine-setup/ovirt-engine/network/ovirtproviderovn.py",
 line 772, in _create_config_content
OvnEnv.OVIRT_PROVIDER_OVN_SECRET
KeyError: 'OVESETUP_OVN/ovirtProviderOvnSecret'
2023-01-17 15:58:05,669+ ERROR otopi.context context._executeMethod:154 
Failed to execute stage 'Misc configuration': 
'OVESETUP_OVN/ovirtProviderOvnSecret'
2023-01-17 15:58:05,669+ DEBUG otopi.transaction transaction.abort:124 
aborting 'DNF Transaction'
[...]
And also I have a problem because it seem the keycloak is enabled even if I 
disable and also ovn I tried to disable it and in the engine under 
/etc/ovirt-engine-setup.conf.d/20-setup-ovirt-post.conf I have:
[...]
20-setup-ovirt-post.conf:OVESETUP_OVN/ovirtProviderOvn=bool:True
20-setup-ovirt-post.conf:OVESETUP_OVN/ovirtProviderOvnId=str:e6b92384-b112-40e0-8d6f-2c6e4536cd1a
[...]
but it doesn't appear any ovirtProviderOvnSecret


by the way I don't use keycloak (I don't have any keycloak table in the engine 
dump) and even OVN.


I will try to set OVESETUP_OVN/ovirtProviderOvn=bool:True to False before 
ansible launch engine-setup


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[ovirt-users] Re: 4.5.4 Hosted-Engine: change hosted-engine storage

[Volenbovskyi, Konstantin]

Hi,
Check out https://access.redhat.com/solutions/6529691.
I would say that you have done a few hacks that are in 'vicinity' of correct 
approach, but the correct approach is a bit simpler than you what you tried to 
come up with.
The idea of procedure is that you should 'forget' about the original eg. image 
files and to a significant extent
The procedure is "launch a brand new hosted-engine, but actually use a database 
backup "
Your answerfile should correspond to what you need (or you just not provide it 
and answer questions interactively) - obviously you should not use glusterfs as 
domainType but instead
OVEHOSTED_STORAGE/domainType=str:nfs
and also the essential thing
OVEHOSTED_STORAGE/storageDomainConnection=str::/

Maybe the owner/group of NFS directory was not changed to vdsm/kvm, the 
solution above contains reference to that.

BR,
Konstantin




On 17.01.23, 09:48, "Diego Ercolani" mailto:diego.ercol...@ssis.sm>> wrote:


ovirt-engine-appliance-4.5-20221206133948
Hello,
I have some trouble with my Gluster instance where there is hosted-engine. I 
would like to copy data from that hosted engine and reverse to another 
hosted-engine storage (I will try NFS).
I think the main method is to put ovirt in global-management mode, stop the 
hosted-engine instance, unmount the hosted-engine storage
systemctl stop {vdsmd;supervdsmd;ovirt-ha-broker;ovirt-ha-agent};
hosted-engine --disconnect-storage
umount /rhev/data-center/mnt/glusterSD/localhost:_glen/
and then redeploy the hosted engine with the current backup:
method 1: [doesn't work; it fail the ansible script after the pause]
ovirt-hosted-engine-setup --4 
--config-append=/var/lib/ovirt-hosted-engine-setup/answers/answers-20230116184834.conf
 --restore-from-file=230116-backup.tar.gz 
--ansible-extra-vars=he_pause_before_engine_setup=true
but it doesn't work


method 2: [I cannot find the glitch]
I saw in every node there is a configuration under 
/etc/ovirt-hosted-engine/hosted-engine.conf where there are some interessant 
entry:
vm_disk_id=0a1a501c-fc45-430f-bfd3-076172cec406
vm_disk_vol_id=f65dab86-67f1-46fa-87c0-f9076f479741
storage=localhost:/glen
domainType=glusterfs
metadata_volume_UUID=4e64e155-ee11-4fdc-b9a0-a7cbee5e4181
metadata_image_UUID=20234090-ea40-4614-ae95-8f91b339ba3e
lockspace_volume_UUID=6a975f46-4126-4c2a-b444-6e5a34872cf6
lockspace_image_UUID=893a1fc1-9a1d-44fc-a02f-8fdac19afc18
conf_volume_UUID=206e505f-1bb8-4cc4-abd9-942654c47612
conf_image_UUID=9871a483-8e7b-4f52-bf71-a6a8adc2309b


so, the conf_volume under conf_image dir is a TAR archive:
/rhev/data-center/mnt/glusterSD/localhost:_glen/3577c21e-f757-4405-97d1-0f827c9b4e22/images/9871a483-8e7b-4f52-bf71-a6a8adc2309b/206e505f-1bb8-4cc4-abd9-942654c47612:
 POSIX tar archive (GNU)


That I think is the common configuration. I copied the structure (from 
3577c21e-f757-4405-97d1-0f827c9b4e22 directory) in the new storage (nfs), 
changed the entries under local configuration and "shared configuration":
from storage=localhost:/glen to storage=:/directory (writable by vdsm 
user and kvm group)
from domainType=glusterfs to domainType=nfs
and issued:
1. hosted-engine --connect-storage <- work
2. hosted-engine --vm-start <- doesn't work because there is a complain about 
the not-starting ovirt-ha-agent


What can I do?
Is there any documentation somewhere?


Diego
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[ovirt-users] Re: Unable to start VM with SRIOV IB interface

[Volenbovskyi, Konstantin]

Hi,

It looks that ovirt doesn't consider that your host has any PFs/VFs.
You should navigate to ovengine 4.3 and 4.4 and see those differences in 'Host 
Devices' in some host.
The basic check is then to check if iommu is 'on' on those hosts. This might 
rely on ovengine's control on that (check 'host properties'), but you should 
check if that really works by commands on the host.

Check 
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux_openstack_platform/7/html/networking_guide/sr-iov-support-for-virtual-networking
Even though it is for OpenStack, you should check those parts that relate to 
hypervisor (thus only section 9.1. Configure SR-IOV in your RHEL OpenStack 
Platform deployment
) and things about your HW/drivers/those things around number of PFs/VFs.

Once you change anything on host you should click 'Refresh capabilities' and 
see if PFs/VFs appeared


BR,
Konstantin


On 13.12.22, 22:14, "olive...@uc.pt " mailto:olive...@uc.pt>> wrote:


Hi everyone,


On a new oVirt 4.4.10.7-1.el8 deployment I am unable to star a VM with a SRIOV 
IB interface.
I always get the message:


Error while executing action:


login003:


Cannot run VM. There is no host that satisfies current scheduling constraints. 
See below for details:
The host nvirt002.lca.uc.pt did not satisfy internal filter HostDevice because 
the host does not provide requested host devices.
The host nvirt000.lca.uc.pt did not satisfy internal filter HostDevice because 
some of the required host devices are unavailable.
The host nvirt003.lca.uc.pt did not satisfy internal filter HostDevice because 
the host does not provide requested host devices.
The host nvirt005.lca.uc.pt did not satisfy internal filter HostDevice because 
the host does not provide requested host devices.
The host nvirt004.lca.uc.pt did not satisfy internal filter HostDevice because 
the host does not provide requested host devices.
The host nvirt001.lca.uc.pt did not satisfy internal filter HostDevice because 
the host does not provide requested host devices.


Given that I am trying to run it on login000 I guess the relevant error is that 
the host device is unavailable. I cannot find any other errors or messages that 
seem relevant to this on any other logs.
How do I even start debugging this? I have another deployment with 4.3 where it 
just works.




Best Regards and thank you,


Miguel Oliveira
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[ovirt-users] Re: New install of 4.5.4 fails on "activate storage domain"

[Volenbovskyi, Konstantin]

Hi,
I would advise:
1) Check that NFS directory has correct user/group ownership (see 
below) and 755 permissions.
2) Check NFS exports that it covers ovengine
And ovirt host as well and try to mount from there.
3) check that NFS directory is empty
4) pause the installation and connect to ovengine CLI/GUI:
-it will be local network with IP address specified in 
/etc/hosts that you should be able to reach via CLI from ovirt host
-Ansible does some port forwarding in order to simplify getting 
GUI (and displays some information about that) somewhere over there in 
installation.
-there is some Ansible section that you should include before 
failed step in order to get the 'pause'. I don't remember
if you will still have running VM in case you just let Ansible execute its 
'cleanup when failed' tasks.
Once connected to ovengine you are likely to find more details in 
/var/log/ovirt-engine/ and try mount from there and try to activate that 
created storage domain via GUI.

Reference:
https://www.ovirt.org/develop/troubleshooting-nfs-storage-issues.html

BR,
Konstantin
On 13.12.22, 22:16, "buldamo...@gmail.com " 
mailto:buldamo...@gmail.com>> wrote:


I've tried NFS (I can mount from the host) and iSCSI and get the same error -
2022-12-11 12:12:36,849-0600 DEBUG 
otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:109 
{'exception': 'Traceback (most recent call last):\n File 
"/tmp/ansible_ovirt_storage_domain_payload_fukrbjm8/ansible_ovirt_storage_domain_payload.zip/ansible_collections/ovirt/ovirt/plugins/modules/ovirt_storage_domain.py",
 line 811, in main\n File 
"/tmp/ansible_ovirt_storage_domain_payload_fukrbjm8/ansible_ovirt_storage_domain_payload.zip/ansible_collections/ovirt/ovirt/plugins/modules/ovirt_storage_domain.py",
 line 660, in post_create_check\n File 
"/usr/lib64/python3.9/site-packages/ovirtsdk4/services.py", line 3647, in add\n 
return self._internal_add(storage_domain, headers, query, wait)\n File 
"/usr/lib64/python3.9/site-packages/ovirtsdk4/service.py", line 232, in 
_internal_add\n return future.wait() if wait else future\n File 
"/usr/lib64/python3.9/site-packages/ovirtsdk4/service.py", line 55, in wait\n 
return self._code(response)\n File "/usr/lib64/py
thon3.9/site-packages/ovirtsdk4/service.py", line 229, in callback\n 
self._check_fault(response)\n File 
"/usr/lib64/python3.9/site-packages/ovirtsdk4/service.py", line 132, in 
_check_fault\n self._raise_error(response, body)\n File 
"/usr/lib64/python3.9/site-packages/ovirtsdk4/service.py", line 118, in 
_raise_error\n raise error\novirtsdk4.Error: Fault reason is "Operation 
Failed". Fault detail is "[]". HTTP response code is 400.\n', 'msg': 'Fault 
reason is "Operation Failed". Fault detail is "[]". HTTP response code is 
400.', 'invocation': {'module_args': {'host': 'bsm-vmgen00.moorekids.net', 
'data_center': 'ACC24531', 'name': 'hosted_storage', 'wait': True, 'state': 
'present', 'timeout': 180, 'poll_interval': 3, 'fetch_nested': False, 
'nested_attributes': [], 'domain_function': 'data', 'id': None, 'description': 
None, 'comment': None, 'localfs': None, 'nfs': None, 'iscsi': None, 
'managed_block_storage': None, 'posixfs': None, 'glusterfs': None, 'fcp': None, 
'wipe_after_
delete': None, 'backup': None, 'critical_space_action_blocker': None, 
'warning_low_space': None, 'destroy': None, 'format': None, 
'discard_after_delete': None, 'storage_format': None}}, '_ansible_no_log': 
None, 'changed': False}
2022-12-11 12:12:36,950-0600 ERROR 
otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:113 
ovirtsdk4.Error: Fault reason is "Operation Failed". Fault detail is "[]". HTTP 
response code is 400.
2022-12-11 12:12:37,051-0600 ERROR 
otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:113 
fatal: [localhost]: FAILED! => {"changed": false, "msg": "Fault reason is 
\"Operation Failed\". Fault detail is \"[]\". HTTP response code is 400."}
Fresh install from ISO - ovirt-node-ng-installer-latest-el9.iso - downloaded 
12/07/2022. Any help would be GREATLY appreciated. Trying to move from a 
vSphere environment to something opensource.
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[ovirt-users] Re: Enrolling a new certificate on a single host hosted engine deployed

[Volenbovskyi, Konstantin]

Hi,
Check out https://access.redhat.com/articles/216903 (needs subscription, 
possibly free RedHat developer one)
And there is also https://myhomelab.gr/linux/2020/01/20/replacing_ovirt_ssl.html

BR,
Konstantin

From: Ayansh Rocks 
Date: Thursday, 8 December 2022 at 11:10
To: users 
Subject: [ovirt-users] Enrolling a new certificate on a single host hosted 
engine deployed

Hi All,

How to enroll a new certificate on a single-hosted hosted engine deployed. 
Could anyone provide any guidelines ?

Thanks
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[ovirt-users] Re: Forced restart when losing communication with the Storages

[Volenbovskyi, Konstantin]

Hi,
“I'm assuming it used ssh as the hosts in question have a configuration problem 
with their power management and cannot be reset currently by the PDU”
It is interesting to find the events in logs on ovengine really doing reboot of 
ovirt hosts via SSH in this case/any cases.
I guess that /var/log/messages and probably some ovengine logs should provide 
evidence if it is the case (and ovengine logs can contain additional 
information, what is functionality behind
‘restart host that lost a connection to storage domain’

BR,
Konstantin

From: Patrick Hibbs 
Date: Wednesday, 30 November 2022 at 16:31
To: "users@ovirt.org" 
Subject: [ovirt-users] Re: Forced restart when losing communication with the 
Storages


Hello,

I've seen something similar to this too. Although, for me it occurred when a 
standalone engine attempted to allocate a new disk on a Gluster storage. While 
the cluster's VMs were experiencing high virtual disk I/O. (Found out later 
they were doing updates at an odd time...)

The result was random VMs being forced off until it had cleared enough of the 
bottleneck, and one host was rebooted. After around 3 minutes of wait time. I'm 
assuming it used ssh as the hosts in question have a configuration problem with 
their power management and cannot be reset currently by the PDU. But it was 
still an odd occurrence given that the engine host itself was the cause of the 
storage "outage."

Is this the correct behavior of oVirt?

-Patrick Hibbs
On 11/30/22 07:45, Murilo Morais wrote:
Konstantin, thank you very much for the explanation, it was very enlightening.

I believe I left something open in the previous message.

I'm using Hosted Engine, all VMs have HA enabled and Power Management is 
disabled on all hosts. No IPMI configured (at least I didn't configure anything 
about iLO/IPMI in oVirt).

There was a loss of communication with the Storage for approximately 3 minutes 
and this caused all Hosts to reboot.

Em qua., 30 de nov. de 2022 às 08:50, Volenbovskyi, Konstantin 
mailto:konstantin.volenbovs...@haufe.com>> 
escreveu:
Hi,
I would say that you observed ‘fencing’ and not SSH soft fencing, but actual 
reboot via IPMI.
https://www.ovirt.org/develop/developer-guide/engine/automatic-fencing.html

You can disable Power management for hosts.
Before doing that you need to understand following:
-what is impact on VMs when this happens?
-the working assumption is that your VMs work 
just fine, but you need to think about other cases where VMs lose their storage 
and/or network.
For me it seems that this was storage domain that is not a VM storage domain, 
so VMs’ disks were just fine.
Maybe it was hosted_storage domain in your case…
-any of those VMs are High-availability VMs? Once you disable 
Power Management you will not have automatic restart on different hosts of 
those.
You need to understand that idea of fencing is either to recover host 
automatically and possibly to restart VMs
and make sure that there are no duplicated VMs.
There are 100% cases where fencing is used and there is subset of those, X% 
number of cases where you would consider that behavior is suboptimal.
The drawback of disabling fencing is that you might get suboptimal behavior in 
Y% cases (100% minus X%)

BR,
Konstantin

From: Murilo Morais mailto:mur...@evocorp.com.br>>
Date: Wednesday, 30 November 2022 at 12:13
To: users mailto:users@ovirt.org>>
Subject: [ovirt-users] Forced restart when losing communication with the 
Storages

Good morning everyone!

Is there a way to disable the forced reboot of the machines? This morning there 
was an event in our infrastructure where the hosts lost communication with the 
Storage but this caused all the hosts to restart abruptly.

Would this be the correct behavior of oVirt? Is there any way to disable this?



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[ovirt-users] Re: Forced restart when losing communication with the Storages

[Volenbovskyi, Konstantin]

Hi,
I would say that you observed ‘fencing’ and not SSH soft fencing, but actual 
reboot via IPMI.
https://www.ovirt.org/develop/developer-guide/engine/automatic-fencing.html

You can disable Power management for hosts.
Before doing that you need to understand following:
-what is impact on VMs when this happens?
-the working assumption is that your VMs work 
just fine, but you need to think about other cases where VMs lose their storage 
and/or network.
For me it seems that this was storage domain that is not a VM storage domain, 
so VMs’ disks were just fine.
Maybe it was hosted_storage domain in your case…
-any of those VMs are High-availability VMs? Once you disable 
Power Management you will not have automatic restart on different hosts of 
those.
You need to understand that idea of fencing is either to recover host 
automatically and possibly to restart VMs
and make sure that there are no duplicated VMs.
There are 100% cases where fencing is used and there is subset of those, X% 
number of cases where you would consider that behavior is suboptimal.
The drawback of disabling fencing is that you might get suboptimal behavior in 
Y% cases (100% minus X%)

BR,
Konstantin

From: Murilo Morais 
Date: Wednesday, 30 November 2022 at 12:13
To: users 
Subject: [ovirt-users] Forced restart when losing communication with the 
Storages

Good morning everyone!

Is there a way to disable the forced reboot of the machines? This morning there 
was an event in our infrastructure where the hosts lost communication with the 
Storage but this caused all the hosts to restart abruptly.

Would this be the correct behavior of oVirt? Is there any way to disable this?
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[ovirt-users] Re: Max network performance on w2019 guest

[Volenbovskyi, Konstantin]

Hi,
Not a direct answer – but I think something to consider:

-I am not sure what virtio is there ‘out of box’, but I imagine that you need 
to check what is latest virtio-win package
containing NetKVM driver.
(https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/
 ?)
-I would imagine that main driver of higher virtio-net performance is support 
and use of multiqueue.
I don’t know about Windows 2019 , maybe it is matter of configuration.

Check out https://access.redhat.com/solutions/6638561 and 
https://github.com/virtio-win/kvm-guest-drivers-windows/issues/237

BR,
Konstantin

From: Gianluca Cecchi 
Date: Wednesday, 30 November 2022 at 10:40
To: users 
Subject: [ovirt-users] Max network performance on w2019 guest

One customer sees 2,5gbs on 10gbs adapters for w2019 VM with virtio using 
iperf3.
Instead with Oracle linux 8 VMS of the same infra sees 9gbs.
What is the expected maximum on windows with virtio based on experience?
Thanks
Gianluca

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[ovirt-users] Re: Help moving hosted_storage data/domain

[Volenbovskyi, Konstantin]

Hi,
Procedure to change storage domain for Hosted Engine is here: 
https://access.redhat.com/solutions/6529691 (you can apply for free-of-charge 
RedHat developer license in order
to get access to RedHat KB). You might consider trying it first on test cluster 
before doing that in production.

But I would discourage you from using GlusterFS. Not sure if that is matter, 
but I saw that GlusterFS has quite serious issues with robustness against 
failures
(it is likely that you won't lose data, but you might need more manual 
interventions to fix GlusterFS cluster than necessary)
Maybe you could consider having redundant (active/passive) NFS server?

And a comment about version of ovirt: there is no ovirt 4.6 as of now 
(actually, it is a question whether ovirt 4.6 will be ever released)
Latest version of ovirt is 4.5 and it seems that latest version of Oracle 
Virtual manager is pretty much ovirt 4.4.

BR,
Konstantin

On 27.11.22, 19:57, "tannoi...@gmail.com"  wrote:

Hi there, first time here.

I successfully installed Oracle Linux Virtual Manager that's basically 
Ovirt 4.6. I have a datacenter, 2 separate cluster, 3 host per cluster (self 
hosted engine configuration).
During the installation process I defined the nfs storage for the hosted 
engine VM, and now I'm in trouble. I can shut down any host but the one that 
serve the nfs.
I understand lately that I need a distributed storage to obtain HA, then I 
added the glusterfs support. I can see my gluster volume but I can't add it as 
storage domain. It's simply doesn't appear in dropdown menu when I try to add 
it as new storage domain.

A part for that: there's a way to move data from hosted_storage domain (the 
nfs one) to another one? I try to setup another one as main but no joy. If a 
try to move the disk from there it's say to me I can't.

I searched on the web but I found several answers, starting from: "no you 
can't" to "with engine-backup utility" and I'm quite confused.

Reinstall it isn't an option, i have approx 60 vm active.

Any help it's appreciated.

(forgive eventually mistakes, I'm not a native).

Maurizio
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[ovirt-users] Re: Please, Please Help - New oVirt Install/Deployment Failing - "Host is not up..."

[Volenbovskyi, Konstantin]

Hi,
It seems that you are here: 
https://github.com/oVirt/ovirt-ansible-collection/blob/33d273e2e823bf0c2440a9009a0d38d1b383c27c/roles/hosted_engine_setup/tasks/bootstrap_local_vm/05_add_host.yml

I would say that in this case following is likely:
1) virsh list (with authentication) shows that hostedEnginelocal is running
2) SSH is successful from ovirt host due to temporary entry in /etc/hosts
3) You might see that ovirt-engine service is running on port 443 and then it 
is exposed
as port 6900 on your ovirt host.

Check out 
https://github.com/oVirt/ovirt-ansible-collection/blob/33d273e2e823bf0c2440a9009a0d38d1b383c27c/roles/hosted_engine_setup/tasks/bootstrap_local_vm/05_add_host.yml#L132
That means you can provide he_pause_host Ansible variable with value 'true' and 
take a pause for troubleshooting here.

So in case above is correct for your situation - then you should do port 
forwarding from port 6900
to port 443 on your local workstation/somewhere where you have browser and 
connect to ovengine GUI
Then you go to 'Hosts' and see if the host is 'up'. It is unlikely that it will 
be up.
Alternatively, there is REST API on this I think (=the one used by Ansible 
module in 'wait for host is up' task), but I don't know specifics.

In GUI go to 'Setup host network' and make sure that network bridge/network 
interfaces and maybe try to assign this network
(be careful: you might also connectivity to your ovirt host). Check those 
DHCP/Static IP assignment aspect.

There could be too many assumptions above, but hopefully it gives you something 
to use within troubleshooting.

BR,
Konstantin


On 20.10.22, 12:58, "Matthew J Black"  wrote:

Hi Everyone,

Could someone please help me - I've been trying to do an install of oVirt 
for *weeks* (including false starts and self-inflicted wounds/errors) and it is 
still not working.

My setup:

- oVirt v4.5.3
- A brand new fresh vanilla install of RockyLinux 8.6 - all working AOK
- 2*NICs in a bond (802.3ad) with a couple of sub-Interfaces/VLANs - all 
working AOK
- All relevant IPv4 Address in DNS with Reverse Lookups - all working AOK
- All relevant IPv4 Address in "/etc/hosts" file - all working AOK
- IPv6 (using "method=auto" in the interface config file) enabled on the 
relevant sub-Interface/VLAN - I'm not using IPv6 on the network, only IPv4, but 
I'm trying to cover all the bases.
- All relevant Ports (as per the oVirt documentation) set up on the firewall
- ie firewall-cmd --add-service={{ libvirt-tls | ovirt-imageio | 
ovirt-vmconsole | vdsm }}
- All the relevant Repositories installed (ie RockyLinux BaseOS, AppStream, 
& PowerTools, and the EPEL, plus the ones from the oVirt documentation)

I have followed the oVirt documentation (including the special 
RHEL-instructions and RockyLinux-instructions) to the letter - no deviations, 
no special settings, exactly as they are written.

All the dnf installs, etc, went off without a hitch, including the "dnf 
install centos-release-ovirt45", "dnf install ovirt-engine-appliance", and "dnf 
install ovirt-hosted-engine-setup" - no errors anywhere.

Here is the results of a "dnf repolist":

- appstreamRocky Linux 8 - 
AppStream
- baseos Rocky Linux 8 
- BaseOS
- centos-ceph-pacific  CentOS-8-stream - 
Ceph Pacific
- centos-gluster10   CentOS-8-stream - 
Gluster 10
- centos-nfv-openvswitchCentOS-8 - NFV 
OpenvSwitch
- centos-opstoolsCentOS-OpsTools - 
collectd
- centos-ovirt45   CentOS Stream 8 
- oVirt 4.5
- cs8-extras CentOS Stream 
8 - Extras
- cs8-extras-common   CentOS Stream 8 - 
Extras common packages
- epel   Extra 
Packages for Enterprise Linux 8 - x86_64
- epel-modular Extra Packages 
for Enterprise Linux Modular 8 - x86_64
- ovirt-45-centos-stream-openstack-yogaCentOS Stream 8 - oVirt 4.5 - 
OpenStack Yoga Repository
- ovirt-45-upstream  oVirt upstream for 
CentOS Stream 8 - oVirt 4.5
- powertools Rocky Linux 8 
- PowerTools

So I kicked-off the oVirt deployment with: "hosted-engine --deploy --4 
--ansible-extra-vars=he_offline_deployment=true".

I used "--ansible-extra-vars=he_offline_deployment=true" because without 
that flag I was getting "DNF timout" issues (see my previous post `Local 
(Deployment) VM Can't Reach "centos-ceph-pacific" Repo`).

I answer the defaults to all of questions the script asked, or entered the 
deployment-relevan

[ovirt-users] Backup/restore of Hosted Engine VM

[Volenbovskyi, Konstantin]

Hi,

I am aware that there is a procedure of backup/restore documented in 
https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.2/html/self-hosted_engine_guide/backing_up_and_restoring_a_self-hosted_engine
 , but I would like to have also else as well when it comes to backup (and 
restore) of hosted engine VM and avoid using hosted-engine --deploy / 
engine-backup

Is anyone doing Libvirt snapshot or any other similar thing to back up ovengine 
VM?
Part of that is the XML of the HE VM should be intact, so currently I am 
considering 
https://libvirt.org/kbase/live_full_disk_backup.html#full-backup-with-older-libvirt-versions
and https://gist.github.com/cabal95/e36c06e716d3328b512

BR,
Konstantin
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[ovirt-users] Restore from backup, consistent view between ovirt DB and Libvirt/QEMU

[Volenbovskyi, Konstantin]

Hi,
Let’s say that backup of ovirt engine is done once every day, for example 6 AM 
using engine-backup tool.
Then during the day the changes are made that not only influence the database, 
but actually influence Libvirt/KVM/QEMU
(create/delete VMs,snapshots, disks, ).
Now let’s say at 18:00 an engineer restores from the backup.
How the ovirt will be ‘synchronized’ to Libvirt (/QEMU)?
Of course, it is OK to expect that system is being rolled back, but in that 
scenario there is nothing that I can imagine that will synchronize
Ovirt database state to Libvirt/KVM/QEMU state.
And once anything on (migrate/stop/start) – it will just fail in many cases 
because of inconsistency.
In 4.2 documentation
https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.2/html/self-hosted_engine_guide/reinstalling_hosts_she_backup_restore
there is sentence like:

“If migration is enabled at cluster level, virtual machines are automatically 
migrated to another host in the cluster; as a result, it is recommended that 
host reinstalls are performed at a time when the host’s usage is relatively 
low.“
Let’s say that there are 5 hosts (numbered from 1 to 5), 3 of them are 
hosted-engine (let’s say 1 to 3).
Then first of all, person should find a brand new host (host 6), then install 
HE on that. OK, I understand that HE can be then reinstalled on hosts 1 to 3.
But it when it comes VMs- if really migration of VMs can work, considering 
inconsistency above?
Eg. snapshot that is already in QEMU (done at 11:00) and the volume chain is 
updated is gone from database (because it is restored to 6 AM)
And in general, anything should be done towards non-HE hosts?

So far the restore seems to be very intrusive and quite error-prone in two 
parts: first part is actual handling of VMs.
And second part when ovirt-engine gets configured practically from scratch 
(through that dialog)

BR,
Konstantin

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