[ovirt-users] Re: Create template from snapshot of vm using MBS disk

[Benny Zlotnik]

I recall a bug was created for this by our QE, but I can't find it.
Can you please file a bug so it is tracked and prioritized?

On Fri, Sep 10, 2021 at 5:42 AM  wrote:
>
> Hi,
>
> Has this problem been resolved?
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[ovirt-users] Re: virtio-win driver licensing

[simon]

Does anyone have an update on this please?
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[ovirt-users] Re: Poor gluster performances over 10Gbps network

[Guillaume Pavese]

It's my understanding that libgfapi is currently unsupported in oVirt
because there were a few long standing bugs.
Unfortunately, the performance improvements that users have reported on
this mailing list haven't been seen or replicated by Red Hat, so recently
most  of these bugzilla tickets have been closed as WONTFIX

https://bugzilla.redhat.com/show_bug.cgi?id=1633642
https://bugzilla.redhat.com/show_bug.cgi?id=1465810
https://bugzilla.redhat.com/show_bug.cgi?id=1552344

This is a shame as I think the performance improvements from libgfapi as
reported in user benchmarks were impressive, and the underlying
qemu/libvirt bugs are now fixed or were close to be.

Guillaume Pavese

Ingénieur Système et Réseau
Interactiv-Group


On Thu, Sep 9, 2021 at 7:00 PM Strahil Nikolov via Users 
wrote:

> Dis you enable libgfapi ?
> engine-config -s LibgfApiSupported=true
>
> Note: power off and then power on the VM. The qemu process should not use
> the '/rhev' mountpoints.
>
> Also, share your current setup:
> - disks
> - hw controller
> - did you storage align your block devices (hw raid only)
> - tuned-profile
> - sysctl settings that are changed
> - gluster volume options that are changed
>
> Best Regards,
> Strahil Nikolov
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>

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[ovirt-users] Re: virtio-win driver licensing

[Scott Worthington]

This appears to be the source code:

  https://github.com/virtio-win/kvm-guest-drivers-windows

And the license for the source:


https://github.com/virtio-win/kvm-guest-drivers-windows/blob/master/LICENSE

On Fri, Sep 10, 2021 at 11:06 AM  wrote:

> Does anyone have an update on this please?
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>
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[ovirt-users] Re: virtio-win driver licensing

[Nir Soffer]

On Tue, Sep 7, 2021 at 2:14 AM  wrote:
>
> It's the one distributed with the engine: 
> /usr/share/virtio-win/virtio-win-1.9.16.iso

I tried to install this package on RHEL 8.5 (nightly) build:

# dnf info virtio-win
Last metadata expiration check: 17:32:51 ago on Fri 10 Sep 2021 01:25:44 IDT.
Installed Packages
Name : virtio-win
Version  : 1.9.18
Release  : 2.el8
Architecture : noarch
Size : 780 M
Source   : virtio-win-1.9.18-2.el8.src.rpm
Repository   : @System
From repo: appstream
Summary  : VirtIO para-virtualized drivers for Windows(R)
URL  : http://www.redhat.com/

This looks like a bug, this URL is not the URL of the virtio-win project.

License  : Red Hat Proprietary and BSD-3-Clause and Apache and GPLv2

I'm not sure what this means, a license cannot be Proprietary and BSD and GPL
at the same time. It can be one *or* another. I think this is a RHEL bug to
report a license in this way.

Description  : VirtIO para-virtualized Windows(R) drivers for 32-bit and 64-bit
 : Windows(R) guests.

However after mounting this iso I see only BSD-3-Clause license:

# mount -o loop /usr/share/virtio-win/virtio-win.iso /tmp/virtio-win/
# cat /tmp/virtio-win/virtio-win_license.txt
Copyright 2009-2021 Red Hat, Inc. and/or its affiliates.
Copyright 2016 Google, Inc.
Copyright 2016 Virtuozzo, Inc.
Copyright 2007 IBM Corporation

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.

Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.

Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

This also matches the project license mentioned by Scot:
https://github.com/virtio-win/kvm-guest-drivers-windows/blob/master/LICENSE

Yash, can you help to make this more clear?

Nir
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[ovirt-users] Re: virtio-win driver licensing

[Nir Soffer]

On Fri, Sep 10, 2021 at 7:15 PM Nir Soffer  wrote:
>
> On Tue, Sep 7, 2021 at 2:14 AM  wrote:
> >
> > It's the one distributed with the engine: 
> > /usr/share/virtio-win/virtio-win-1.9.16.iso
>
> I tried to install this package on RHEL 8.5 (nightly) build:

Correction, tested on Centos 8 Stream host with recent ovirt-release-master:

# rpm -q ovirt-release-master
ovirt-release-master-4.4.8-0.0.master.20210904011127.git42ad2d6.el8.noarch
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[ovirt-users] Re: Cannot Start VM After Pausing due to Storage I/O Error

[Strahil Nikolov via Users]

Can you provide the output from all nodes:
gluster pool listgluster peer statusgluster volume status

Best Regards,Strahil Nikolov
 
 
  On Fri, Sep 10, 2021 at 0:50, marcel d'heureuse wrote:   
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[ovirt-users] Re: Poor gluster performances over 10Gbps network

[Strahil Nikolov via Users]

Most probably RH specialists can tune Gluster so well that the libgfapi is 
uselesss ... who knows.
Actually, oVirt and support are 2 completely different topics. Yes, it has it 
drawbacks, butif it brings significant performance gain.

Best Regards,Strahil Nikolov
 
 
  On Fri, Sep 10, 2021 at 18:19, Guillaume 
Pavese wrote:   It's my understanding 
that libgfapi is currently unsupported in oVirt because there were a few long 
standing bugs. Unfortunately, the performance improvements that users have 
reported on this mailing list haven't been seen or replicated by Red Hat, so 
recently most  of these bugzilla tickets have been closed as WONTFIX
https://bugzilla.redhat.com/show_bug.cgi?id=1633642
https://bugzilla.redhat.com/show_bug.cgi?id=1465810
https://bugzilla.redhat.com/show_bug.cgi?id=1552344

This is a shame as I think the performance improvements from libgfapi as 
reported in user benchmarks were impressive, and the underlying qemu/libvirt 
bugs are now fixed or were close to be.
Guillaume Pavese
Ingénieur Système et RéseauInteractiv-Group

On Thu, Sep 9, 2021 at 7:00 PM Strahil Nikolov via Users  
wrote:

Dis you enable libgfapi ?engine-config -s LibgfApiSupported=true
Note: power off and then power on the VM. The qemu process should not use the 
'/rhev' mountpoints.
Also, share your current setup:- disks- hw controller- did you storage align 
your block devices (hw raid only)- tuned-profile- sysctl settings that are 
changed- gluster volume options that are changed

Best Regards,Strahil Nikolov___
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toute responsabilité au titre de ce message, dans l’hypothèse ou il aurait été 
modifié. IT, ES, UK. 
  
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