[ovirt-users] Re: Host reinstall from engine

[Harry O]

Thanks, lost track there.
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[ovirt-users] Re: oVirt and ARM

[Marko Vrgotic]

Hi Sandro,

I will check with my managers if we have and could spare some hardware to 
contribute developing for oVirt.


-
kind regards/met vriendelijke groeten

Marko Vrgotic
Sr. System Engineer @ System Administration

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From: Sandro Bonazzola 
Date: Friday, 25 June 2021 at 15:26
To: Marko Vrgotic , Evgheni Dereveanchin 

Cc: Zhenyu Zheng , Joey Ma , 
users@ovirt.org 
Subject: Re: [ovirt-users] oVirt and ARM

***CAUTION: This email originated from outside of the organization. Do not 
click links or open attachments unless you recognize the sender!!!***


Il giorno ven 25 giu 2021 alle ore 14:20 Marko Vrgotic 
mailto:m.vrgo...@activevideo.com>> ha scritto:
Hi Sandro,

Thank you for the update. I am not equipped to help on development side, but I 
can most certainly do test deployments, once there is something available.

We are big oVirt shop and moving to ARM64 with new product, it would be great 
if oVirt would start supporting it.

If we are able to help somehow, let me know.

I guess a start could be adding some arm64 machine to oVirt infrastructure so 
developers can build for it.
You can have a look at 
https://ovirt.org/community/get-involved/donate-hardware.html
Looping in +Evgheni Dereveanchin in case you can 
share some resources.




-
kind regards/met vriendelijke groeten

Marko Vrgotic
Sr. System Engineer @ System Administration

ActiveVideo
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Hilversum, The Netherlands. The information contained in this message may be 
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individual or entity to whom it is addressed or by their designee. If the 
reader of this message is not the intended recipient, you are on notice that 
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From: Sandro Bonazzola mailto:sbona...@redhat.com>>
Date: Thursday, 24 June 2021 at 18:21
To: Marko Vrgotic 
mailto:m.vrgo...@activevideo.com>>, Zhenyu Zheng 
mailto:zhengzhenyul...@gmail.com>>, Joey Ma 
mailto:majunj...@gmail.com>>
Cc: users@ovirt.org 
mailto:users@ovirt.org>>
Subject: Re: [ovirt-users] oVirt and ARM

***CAUTION: This email originated from outside of the organization. Do not 
click links or open attachments unless you recognize the sender!!!***


Il giorno gio 24 giu 2021 alle ore 16:34 Marko Vrgotic 
mailto:m.vrgo...@activevideo.com>> ha scritto:
Hi oVirt,

Where can I find if there are any information about oVirt supporting arm64 CPU 
architecture?

Right now oVirt is not supporting arm64. There was an initiative about 
supporting it started some time ago from openEuler ovirt SIG.
I didn't got any further updates on this topic, looping in those who I remember 
being looking into it.
I think that if someone contributes arm64 support it would also be a feature 
worth a 4.5 release :-)


-
kind regards/met vriendelijke groeten

Marko Vrgotic
Sr. System Engineer @ System Administration

ActiveVideo
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m: +31 (65) 5734174
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w: www.activevideo.com

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individual or

[ovirt-users] VMs traffic cannot go outside host

[deyaa112006]

Hi

trying to get hands on ovirt virtualization.
built a test environment on vmware workstation:
  - 2 VMs running centos7 as ovirt Hosts
  - 1 VM running centos 7 as ovirt-manager

on ovirt Hosts:
[root@ovirt-node1 ~]# rpm -q cockpit-ovirt-dashboard qemu-kvm-ev libvirt 
virt-install bridge-utils vdsm
cockpit-ovirt-dashboard-0.13.10-1.el7.noarch
qemu-kvm-ev-2.12.0-44.1.el7_8.1.x86_64
libvirt-4.5.0-36.el7_9.5.x86_64
virt-install-1.5.0-7.el7.noarch
bridge-utils-1.5-9.el7.x86_64
vdsm-4.30.46-1.el7.x86_64

on ovirt-manager:
[oVirt shell (connected)]# info
backend version: 4.3.10
sdk version: 4.3.4
cli version: 3.6.9.2
python version : 2.7.5.final.0
entry point: https://ovirt-manager.home.lab/ovirt-engine/api

I created two ovirt VMs, running ubuntu16, on the same VM Networks "vmnet-02"
Both VMs' traffic cannot go outside hosts (i.e they can reach each others only 
if they run on the same host)
need help fix this please!

[d@dv6 ~]$ ovirt-node2
Last login: Mon Jun 28 15:25:12 2021 from 10.0.1.1
[root@ovirt-node2 ~]# ifconfig 
ens32: flags=4163  mtu 1500
ether 00:0c:29:d2:71:10  txqueuelen 1000  (Ethernet)
RX packets 5388529  bytes 7970598031 (7.4 GiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 287643  bytes 124694822 (118.9 MiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ens34: flags=4163  mtu 1500
ether 00:0c:29:d2:71:1a  txqueuelen 1000  (Ethernet)
RX packets 6574  bytes 637208 (622.2 KiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 3573  bytes 393479 (384.2 KiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

genev_sys_6081: flags=4163  mtu 65000
ether fe:66:e6:5e:51:f8  txqueuelen 1000  (Ethernet)
RX packets 0  bytes 0 (0.0 B)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 0  bytes 0 (0.0 B)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73  mtu 65536
inet 127.0.0.1  netmask 255.0.0.0
loop  txqueuelen 1000  (Local Loopback)
RX packets 15152  bytes 3732985 (3.5 MiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 15152  bytes 3732985 (3.5 MiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ovirtmgmt: flags=4163  mtu 1500
inet 10.0.1.22  netmask 255.255.255.0  broadcast 10.0.1.255
ether 00:0c:29:d2:71:10  txqueuelen 1000  (Ethernet)
RX packets 308773  bytes 7630918499 (7.1 GiB)
RX errors 0  dropped 42  overruns 0  frame 0
TX packets 253627  bytes 92412626 (88.1 MiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

vmnet-02: flags=4163  mtu 1500
inet 192.168.57.146  netmask 255.255.255.0  broadcast 192.168.57.255
ether 00:0c:29:d2:71:1a  txqueuelen 1000  (Ethernet)
RX packets 9367  bytes 640524 (625.5 KiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 1015  bytes 248111 (242.2 KiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

vnet0: flags=4163  mtu 1500
ether fe:6f:b4:ee:00:01  txqueuelen 1000  (Ethernet)
RX packets 6483  bytes 289530 (282.7 KiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 5120  bytes 480414 (469.1 KiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[root@ovirt-node2 ~]# 
[root@ovirt-node2 ~]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric RefUse Iface
0.0.0.0 10.0.1.254  0.0.0.0 UG0  00 
ovirtmgmt
10.0.1.00.0.0.0 255.255.255.0   U 0  00 
ovirtmgmt
169.254.0.0 0.0.0.0 255.255.0.0 U 1023   00 
ovirtmgmt
192.168.57.00.0.0.0 255.255.255.0   U 0  00 vmnet-02


Here I can access the guest VM:
[root@ovirt-node2 ~]# ssh sysadmin@10.0.1.44
sysadmin@10.0.1.44's password: 
sysadmin@ubuntu16-1:~$ ifconfig 
ens4  Link encap:Ethernet  HWaddr 56:6f:b4:ee:00:01  
  inet addr:10.0.1.44  Bcast:10.0.1.255  Mask:255.255.255.0
  inet6 addr: fe80::546f:b4ff:feee:1/64 Scope:Link
  UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
  RX packets:312 errors:0 dropped:0 overruns:0 frame:0
  TX packets:1834 errors:0 dropped:0 overruns:0 carrier:0
  collisions:0 txqueuelen:1000 
  RX bytes:75924 (75.9 KB)  TX bytes:87332 (87.3 KB)

loLink encap:Local Loopback  
  inet addr:127.0.0.1  Mask:255.0.0.0
  inet6 addr: ::1/128 Scope:Host
  UP LOOPBACK RUNNING  MTU:65536  Metric:1
  RX packets:1136 errors:0 dropped:0 overruns:0 frame:0
  TX packets:1136 errors:0 dropped:0 overruns:0 carrier:0
  collisions:0 txqueuelen:1 
  RX bytes:105288 (105.2 KB)  TX bytes:105288 (105.2 KB)

sysadmin@ubuntu16-1:~$ route -n
Kernel IP routing table
Destination Gateway Ge

[ovirt-users] Re: Host reinstall from engine

[Strahil Nikolov via Users]

You create gluster as usual.Install OS,prepare the brick (disk alignment is 
very important), mount the brick (context= mount option is nice for SELINUX), 
then gluster peer probe the new host and then 'add-brick' to expand the volume.
hosted-engine deployment can be done on multiple storages (NFS, GlusterFS, SAN) 
and thus the 2 topics should not be confused.
The only requirement for the hosted-engine volume is to apply the 'virt' group 
of settings. Previously, there was a requirement that storage phisical blcok 
size should be 512, but that could have changed in the past years.

Best Regards,Strahil Nikolov
 
 
  On Mon, Jun 28, 2021 at 12:43, Harry O wrote:   Hi,
Should the engine not deploy gluster when host reinstall is ran? How do I 
deploy my gluster setup on a replacement node replacing a dead node?
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[ovirt-users] Re: hosted-engine cannot can't communicate with vm

[Harry O]

I think is was because the VM was not running from "/run/vdsm/storage/"
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[ovirt-users] Host reinstall from engine

[Harry O]

Hi,
Should the engine not deploy gluster when host reinstall is ran? How do I 
deploy my gluster setup on a replacement node replacing a dead node?
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[ovirt-users] [italian community] Geek talk and RH018 training

[Sandro Bonazzola]

Hi,
not relevant for everyone in the list but maybe interesting for the oVirt
Italian community:
I'll be in a live stream event today with Extraordy within the GeekTalk
series[1].
There will also be a free Red Hat "RH018 - Virtualization and
Infrastructure Migration Technical Overview" Training in Italian language
on July 2nd where we'll talk also about oVirt[2].
See you there!

[1]
https://www.linkedin.com/feed/update/urn:li:activity:6815171728424087552/
[2] https://rh018.it/

-- 

Sandro Bonazzola

MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV

Red Hat EMEA 

sbona...@redhat.com


*Red Hat respects your work life balance. Therefore there is no need to
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[ovirt-users] Re: Question about Template and Storage Domain

[Eyal Shenitzky]

Hi,

You are probably creating the VM as a dependent on the template (thin VM),
it means that the VM's disk should be created on the same storage domain as
the template disk.

In order to create the VM with a disk on a different storage domain, you
can either create the VM as an independent (clone) or copy the template
disk to the storage domain you want to create the VM disk on.

On Sun, 27 Jun 2021 at 18:40, Nur Imam Febrianto 
wrote:

> Hi,
>
>
> Want to ask about template. For example I have a several template (with
> disk) stored in some Storage Domain. If I create a VM from the template,
> and when I change the parameter of cloned disk into another storage domain
> (different with where the template are stored). The VM always failed to be
> created. This only occurs in VM creation phase, if I create the VM at same
> storage domain where the templates are stored, it created successfully. Is
> this are “normal” behavior ?
>
>
>
> Thanks before.
>
>
>
> Regards,
>
> Nur Imam Febrianto
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[ovirt-users] Re: Inquiries regarding missing data in the calendar table created/inserted into the ovirt_engine_history DB.

[Martin Perina]

On Mon, Jun 28, 2021 at 7:15 AM  wrote:

> I recently discovered that the spark-line chart is not displayed in the
> dashboard of the ovirt admin page. As a result of looking up the code and
> query, the data of the calendar table in the ovirt_engine_history DB of
> ovirt-dwh was only available until 2021-01-01 00:00:00, so a query
> statement (
> https://github.com/oVirt/ovirt-engine/blob/master/frontend/webadmin/modules/frontend/src/main/resources/org/ovirt/engine/ui/frontend/server/dashboard/dao/HostDwhDAO.
> RIGHT OUTER JOIN of properties) was not getting the correct data. First,
> the existing "generate_series('2011-01-01 00:00'::timestamp, '2021-01-01
> 00:00', '1 hours')" part was temporarily modified and applied until 2051. ,
> it was confirmed that the spark-line chart was displayed normally.
>
> For this, is there a way I can directly edit the file (
> https://github.com/oVirt/ovirt-dwh/blob/master/packaging/dbscripts/upgrade/03_05_0060_updated_insert_calendar_table_values_script.sql)
> to commit or request a correction? I would like to know.
>

Hi,
You should not modify existing upgrade scripts, because:

1. They are overwritten on RPM package upgrade
2. They are not applied to the database, because we track which upgrade
scripts were already applied and perform only those new scripts which were
not yet applied during engine-setup

Could you please file a oVirt bug in https://bugzilla.redhat.com/ ?

Thanks,
Martin

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-- 
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[ovirt-users] Re: IPv6 Support

[Martin Perina]

On Mon, Jun 28, 2021 at 7:20 AM Ales Musil  wrote:

>
>
> On Sun, Jun 27, 2021 at 12:48 PM David White via Users 
> wrote:
>
>> Hello,
>>
>
> Hi,
>
>
>> Reading
>> https://www.ovirt.org/documentation/administration_guide/index.html#IPv6-networking-support-labels,
>> I see this tidbit:
>>
>>- Dual-stack addressing, IPv4 *and* IPv6, is not supported
>>- Switching clusters from IPv4 to IPv6 is not supported.
>>
>> If I'm understanding this correctly... does that mean I cannot run some
>> VMs with IPv4, and other VMs with IPv6, in the same cluster?
>>
>
> This applies mostly to host networking, there are cases when host
> networking dual stack works fine, the issue is that it has many quirks.
> oVirt cannot ensure that those quirks won't happen which might break your
> connection.
> In VM networks oVirt cares only for L2, with OVN it can also care for L3.
> So configuration on your VM networks is up to you.
> I can imagine that you could safely mix IPv4 and IPv6 for VM networks
> without breaking any hosts, but I did not try that personally.
>
>
>> If so, that's incredibly disappointing and frustrating.
>>
>> Is Dual-stack addressing a possible feature request?
>>
>
> You can fill RFE but I am afraid that it won't get far due to lack of
> manpower.
>

As mentioned above there are many things in dual stack which could be setup
incorrectly and thus breaking the whole oVirt. And it's almost impossible
to mention all possible corner cases into the documentation. So in general
dual stack should work, but due to above it just cannot be marked as
supported.

But if you encounter some issue when running dual stack feel free to file a
bug, so we can investigate.

>
>
>> IPv4 addresses are expensive... and I have a couple of customers who only
>> needs IPv6, so would really prefer to avoid having to pay for IPv4
>> addresses for them.
>>
>> Sent with ProtonMail  Secure Email.
>>
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>>
>
> Regards,
> Ales
>
>
> --
>
> Ales Musil
>
> Software Engineer - RHV Network
>
> Red Hat EMEA 
>
> amu...@redhat.comIM: amusil
> 
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-- 
Martin Perina
Manager, Software Engineering
Red Hat Czech s.r.o.
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