[ovirt-users] Re: [ovirt-announce] [ANN] oVirt 4.4.4 is now generally available

[Bernardo Juanicó]

Hello, considering we want to do a new oVirt hyper-converged
deployment on CentOS for a production environment what should we do
regarding the OS?
Considering Centos Stream is on tech preview and Centos 8 is near EOL, what
is the correct path?
Install CentOS 8.3 and use it until EOL and then update the hosts to
centos stream when it becomes stable?
install CentOS Stream even though it is on tech preview?

Regards!
Bernardo
PGP Key 


On Mon, Dec 21, 2020 at 10:32 AM Sandro Bonazzola 
wrote:

> oVirt 4.4.4 is now generally available
>
> The oVirt project is excited to announce the general availability of oVirt
> 4.4.4 , as of December 21st, 2020.
>
> This release unleashes an altogether more powerful and flexible open
> source virtualization solution that encompasses hundreds of individual
> changes and a wide range of enhancements across the engine, storage,
> network, user interface, and analytics, as compared to oVirt 4.3.
> Important notes before you install / upgrade
>
> Please note that oVirt 4.4 only supports clusters and data centers with
> compatibility version 4.2 and above. If clusters or data centers are
> running with an older compatibility version, you need to upgrade them to at
> least 4.2 (4.3 is recommended).
>
> Please note that in RHEL 8 / CentOS 8 several devices that worked on EL7
> are no longer supported.
>
> For example, the megaraid_sas driver is removed. If you use Enterprise
> Linux 8 hosts you can try to provide the necessary drivers for the
> deprecated hardware using the DUD method (See the users’ mailing list
> thread on this at
> https://lists.ovirt.org/archives/list/users@ovirt.org/thread/NDSVUZSESOXEFJNPHOXUH4HOOWRIRSB4/
> )
> Documentation
>
>-
>
>If you want to try oVirt as quickly as possible, follow the
>instructions on the Download  page.
>-
>
>For complete installation, administration, and usage instructions, see
>the oVirt Documentation .
>-
>
>For upgrading from a previous version, see the oVirt Upgrade Guide
>.
>-
>
>For a general overview of oVirt, see About oVirt
>.
>
> What’s new in oVirt 4.4.4 Release?
>
> This update is the fourth in a series of stabilization updates to the 4.4
> series.
>
> This release is available now on x86_64 architecture for:
>
>-
>
>Red Hat Enterprise Linux 8.3
>-
>
>CentOS Linux (or similar) 8.3
>-
>
>CentOS Stream (tech preview)
>
>
> This release supports Hypervisor Hosts on x86_64 and ppc64le architectures
> for:
>
>-
>
>Red Hat Enterprise Linux 8.3
>-
>
>CentOS Linux (or similar) 8.3
>-
>
>oVirt Node (based on CentOS Linux 8.3)
>-
>
>CentOS Stream (tech preview)
>
>
>
> oVirt Node and Appliance have been updated, including:
>
>-
>
>oVirt 4.4.4: https://www.ovirt.org/release/4.4.4/
>-
>
>Ansible 2.9.16:
>
> https://github.com/ansible/ansible/blob/stable-2.9/changelogs/CHANGELOG-v2.9.rst#v2-9-16
>
>-
>
>CentOS Linux 8 (2011):
>
> https://lists.centos.org/pipermail/centos-announce/2020-December/048207.html
>-
>
>Advanced Virtualization 8.3
>
>
>
> See the release notes [1] for installation instructions and a list of new
> features and bugs fixed.
>
> Notes:
>
>-
>
>oVirt Appliance is already available for CentOS Linux 8
>-
>
>oVirt Node NG is already available for CentOS Linux 8
>
>
> Additional resources:
>
>-
>
>Read more about the oVirt 4.4.4 release highlights:
>https://www.ovirt.org/release/4.4.4/
>-
>
>Get more oVirt project updates on Twitter: https://twitter.com/ovirt
>-
>
>Check out the latest project news on the oVirt blog:
>https://blogs.ovirt.org/
>
>
> [1] https://www.ovirt.org/release/4.4.4/
> [2] https://resources.ovirt.org/pub/ovirt-4.4/iso/
>
> --
>
> Sandro Bonazzola
>
> MANAGER, SOFTWARE ENGINEERING, EMEA R RHV
>
> Red Hat EMEA 
>
> sbona...@redhat.com
> 
>
> *Red Hat respects your work life balance. Therefore there is no need to
> answer this email out of your office hours.*
>
>
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[ovirt-users] Timeout in "Add HE disks" task

[Jiří Sléžka]

Hello,

I am trying to upgrade RHV4.3.10 (standalone) to RHV4.4.3 (HE) in one
step which is probably not supported but in case of our oVirt cluster it
worked well.

I am using hosted-engine --deploy with answer file

hosted-engine --deploy --restore-from-file=backup/backup.tar
--config-append=answer-file_pontus.txt

I can pass until this task

[ INFO  ] TASK [ovirt.ovirt.hosted_engine_setup : Add HE disks]

then ansible fails with a "Timeout exceed while waiting on result state
of the entity."

In the engine I can see that he_virtio_disk is successfuly created and
in OK state but he_sanlock is in LOCKED state. Shared storage domain is FC.

Here is part of ovirt-hosted-engine-setup-ansible-create_target_vm.log

...
{
"_ansible_item_label": {
"content": "hosted_engine_sanlock",
"description": "Hosted-Engine sanlock disk",
"format": "raw",
"name": "he_sanlock",
"size": "1GiB",
"sparse": false
},
"_ansible_no_log": false,
"ansible_loop_var": "item",
"changed": false,
"exception": "Traceback (most recent call last):\n  File
\"/tmp/ansible_ovirt_disk_payload_sy1l4b1p/ansible_ovirt_disk_payload.zip/ansible_collections/ovirt/ovirt/plugins/modules/ovirt_disk.py\",
line 802, in main\n  File
\"/tmp/ansible_ovirt_disk_payload_sy1l4b1p/ansible_ovirt_disk_payload.zip/ansible_collections/redhat/rhv/plugins/module_utils/ovirt.py\",
line 652, in create\n
poll_interval=self._module.params['poll_interval'],\n  File
\"/tmp/ansible_ovirt_disk_payload_sy1l4b1p/ansible_ovirt_disk_payload.zip/ansible_collections/redhat/rhv/plugins/module_utils/ovirt.py\",
line 370, in wait\nraise Exception(\"Timeout exceed while waiting on
result state of the entity.\")\nException: Timeout exceed while waiting
on result state of the entity.\n",
"failed": true,
...

Do have anybody an idea where could be problem?

Thanks in advance,

Jiri
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[ovirt-users] Q35: BIOS type changed to "Default" when creating new VM from template with Q35 chipset.

[Tarun Kushwaha]

Hi,

https://bugzilla.redhat.com/show_bug.cgi?id=1678262

this bug is still exist i am facing same issue when create VM from REST API and 
Ansible
Please give me solutions 
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[ovirt-users] Re: 2021 first ovirt network question

[Gilboa Davara]

Hello,

Can you run iperf3 simultaneously on multiple clients?
The idea is simple, check that indeed you are getting more than 5-10GbE
aggregated bandwidth in/from the machine.

As for comparing the performance to rdp - I'm not sure you are comparing
apples to apples. As far as I remember, by default rdp clients drop the
quality of the display when faced with limited bandwidth. No sure
virt-viewer can do the same (I'll let the kind people @RedHat confirm deny
the above).
Either, I'd suggest you start by verifying that you are indeed getting
10GbE from the clients to the display network.

- Gilboa



On Thu, Jan 7, 2021 at 4:14 PM  wrote:

> Thanks for advice.
> Here is the iperf3 test results
>
> Connecting to host xyz.example.com, port 6000
> [  4] local XXX.XXX.XXX.XXX port 36140 connected to XYZ.XYZ.XYZ.XYZ port
> 6000
> [ ID] Interval   Transfer Bandwidth   Retr  Cwnd
> [  4]   0.00-1.00   sec  81.9 MBytes   687 Mbits/sec0352 KBytes
>
> [  4]   1.00-2.00   sec  80.5 MBytes   676 Mbits/sec0352 KBytes
>
> [  4]   2.00-3.00   sec  80.5 MBytes   676 Mbits/sec0362 KBytes
>
> [  4]   3.00-4.00   sec  79.8 MBytes   669 Mbits/sec0362 KBytes
>
> [  4]   4.00-5.00   sec  80.6 MBytes   676 Mbits/sec0362 KBytes
>
> [  4]   5.00-6.00   sec  82.0 MBytes   688 Mbits/sec0362 KBytes
>
> [  4]   6.00-7.00   sec  81.3 MBytes   682 Mbits/sec0362 KBytes
>
> [  4]   7.00-8.00   sec  80.5 MBytes   676 Mbits/sec0362 KBytes
>
> [  4]   8.00-9.00   sec  80.5 MBytes   676 Mbits/sec0362 KBytes
>
> [  4]   9.00-10.00  sec  79.8 MBytes   669 Mbits/sec0362 KBytes
>
> Actually, what i was trying to ask is is there any reletion between
> "default route" and "display" network on oVirt network.
> Because, if there is, it might be the source of the problem.
> As i wrote above, my "ovirtmanagement" and "default route"  network on the
> 1Gb port
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[ovirt-users] LXD or LXC Container Host

[Tarun Kushwaha]

is it possible to manage LXD Host from ovirt cluster or any possibility to this 
features in near future.?
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[ovirt-users] Restore failed. Not possible to manage storage domain 'hosted_storage'

[Alexey Nikolaev]

Hi community!
I have issue when trying to restore 4.3.10.4 hosted engine.


[ ERROR ] Exception: Not possible to manage storage domain 'hosted_storage'.
[ ERROR ] fatal: [localhost]: FAILED! => {"changed": false, "msg": "Not 
possible to manage storage domain 'hosted_storage'."}


This error occurs with both Glusterfs and NFS shared storage.

engine setup ansible create storage domain log
https://gist.github.com/virtio-technique/38a3678b834017f3e4cd9c03f6811e71

vdsm log
https://gist.github.com/virtio-technique/8c5ad1ce0e2f07d98d61a964744adff9

hosted engine setup log
https://gist.github.com/virtio-technique/00230b117cf8ee1b1a094c1001f424bd

Can I use a hosted engine backup file to restore the manager to a 
dedicated server and manually delete the hosted engine domain?
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